/* ===================================
   Solar Core - Landing Page Styles
   Brand Colors: Navy Blue + Light Blue + White
   =================================== */

/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Solacore Brand Colors - Vibrant Orange/Yellow Theme */
    --orange-primary: #FF6B35;
    --orange-dark: #E8532F;
    --orange-light: #FF8555;
    --yellow-accent: #FFC107;
    --yellow-light: #FFD54F;
    --navy-dark: #263238;
    --navy-text: #37474F;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --gray: #EEEEEE;
    --text-dark: #212121;
    --text-gray: #424242;
    --text-light: #757575;
    
    /* Typography */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Effects */
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    max-width: 100vw;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

section {
    padding: var(--section-padding) 0;
    overflow-x: hidden;
    max-width: 100%;
}

/* ===================================
   Typography
   =================================== */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--navy-dark);
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 3rem;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--orange-primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--white);
    color: var(--orange-primary);
    border: 2px solid var(--orange-primary);
}

.btn-secondary:hover {
    background: var(--orange-primary);
    color: var(--white);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-primary);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-full {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    font-weight: 500;
    color: var(--text-dark);
}

.nav a:hover {
    color: var(--orange-primary);
}

.btn-nav {
    padding: 10px 24px;
    background: var(--orange-primary);
    color: var(--white);
    border-radius: 6px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--orange-dark);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--navy-primary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-image: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 213, 79, 0.2);
    color: #FFF9E6;
    border: 1px solid rgba(255, 213, 79, 0.4);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-title .highlight {
    color: var(--yellow-accent);
    display: inline-block;
}

.hero-strong {
    color: var(--yellow-accent);
    font-weight: 900;
    font-size: 1.4em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease 0.6s backwards;
    justify-content: center;
}

.hero-trust {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.8s backwards;
    justify-content: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
    font-weight: 500;
}

.trust-item i {
    color: var(--yellow-accent);
    font-size: 1.5rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Benefits Section (Why Solacore)
   =================================== */
.benefits {
    background: #F5F5F5;
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-pattern-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .benefits::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.15;
    }
}

.benefits .container {
    position: relative;
    z-index: 1;
}

.why-solacore {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.why-card {
    padding: 2.5rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid var(--gray);
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--orange-primary);
}

.why-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #FF6B35, #FFC107);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.why-icon i {
    font-size: 2rem;
    color: var(--white);
}

.why-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.why-card p {
    color: var(--text-dark);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.why-card p strong {
    color: var(--orange-primary);
    font-weight: 800;
}

.why-highlight {
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15), rgba(255, 193, 7, 0.15));
    border-left: 4px solid #FF6B35;
    border-radius: 8px;
    font-weight: 700;
    color: #E8532F;
    text-align: center;
}

/* Brand Showcase Section */
.brand-showcase {
    background: var(--white);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray);
}

.brand-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.brand-text h3 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.brand-text p {
    font-size: 1.125rem;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.9;
}

.brand-text strong {
    color: var(--orange-primary);
    font-weight: 800;
    font-size: 1.3em;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.brand-features span {
    font-size: 1rem;
    color: var(--white);
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-light));
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(255, 140, 90, 0.3);
}

.brand-logo-large {
    text-align: center;
    background: #F5F5F5;
    padding: 4rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid #E0E0E0;
}

.brand-full-logo {
    max-width: 320px;
    height: auto;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.15));
}

/* Stats Banner */
.stats-banner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #FF6B35, #FFA726);
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.75rem;
    color: #FFF9E6;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* ===================================
   Simulator Section
   =================================== */
.simulator {
    background: #F5F5F5;
    position: relative;
}

.simulator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-rays.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.10;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .simulator::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.13;
    }
}

.simulator .container {
    position: relative;
    z-index: 1;
}

.simulator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.simulator-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.simulator-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.simulator-card.featured {
    background: linear-gradient(135deg, #FF6B35, #E8532F);
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--yellow-accent);
    color: var(--navy-dark);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.simulator-type {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.simulator-card.featured .simulator-type {
    color: var(--white);
    font-weight: 800;
}

.simulator-capacity {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.simulator-card.featured .simulator-capacity {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.simulator-amount {
    padding: 1.5rem 0;
    border-top: 2px solid var(--gray);
    border-bottom: 2px solid var(--gray);
    margin-bottom: 1.5rem;
}

.simulator-card.featured .simulator-amount {
    border-color: rgba(255, 255, 255, 0.2);
}

.amount-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.simulator-card.featured .amount-label {
    color: var(--white);
    font-weight: 700;
}

.amount-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--orange-primary);
}

.simulator-card.featured .amount-value {
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.simulator-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.simulator-details li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.simulator-card.featured .simulator-details li {
    color: var(--white);
    font-weight: 600;
}

.simulator-details i {
    color: var(--orange-primary);
}

.simulator-card.featured .simulator-details i {
    color: var(--yellow-accent);
}

.simulator-note {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 8px;
    border-left: 4px solid var(--orange-primary);
}

.simulator-note i {
    color: var(--orange-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.simulator-note p {
    color: var(--text-gray);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Certifications Section */
.certifications {
    margin-top: 4rem;
    text-align: center;
}

.cert-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 2rem;
}

.cert-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.cert-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    background: var(--white);
    border: 2px solid var(--gray);
    border-radius: 12px;
    transition: var(--transition);
}

.cert-badge:hover {
    border-color: var(--orange-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cert-badge i {
    font-size: 2.5rem;
    color: var(--orange-primary);
}

.cert-badge span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy-dark);
    line-height: 1.5;
}

/* ===================================
   Trust Section
   =================================== */
.trust {
    background: #F5F5F5;
    position: relative;
}

.trust::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-pattern-2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .trust::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.15;
    }
}

.trust .container {
    position: relative;
    z-index: 1;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.trust-card {
    text-align: center;
    padding: 2rem;
}

.trust-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--orange-primary);
    margin-bottom: 1rem;
    line-height: 1;
}

.trust-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 1rem;
}

.trust-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===================================
   Process Section
   =================================== */
.process {
    background: #FFFFFF;
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-rays.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .process::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.11;
    }
}

.process .container {
    position: relative;
    z-index: 1;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--orange-primary);
    margin-bottom: 1rem;
}

.step-icon {
    width: 100px;
    height: 100px;
    background: var(--white);
    border: 4px solid var(--orange-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.process-step:hover .step-icon {
    background: var(--orange-primary);
    transform: scale(1.1);
}

.step-icon i {
    font-size: 2.5rem;
    color: var(--orange-primary);
    transition: var(--transition);
}

.process-step:hover .step-icon i {
    color: var(--white);
}

.process-step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--navy-primary);
    margin-bottom: 0.75rem;
}

.process-step p {
    color: var(--text-gray);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===================================
   Cases Section
   =================================== */
.cases {
    background: #FAFAFA;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--orange-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.case-content {
    padding: 2rem;
}

.case-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy-primary);
    margin-bottom: 1rem;
}

.case-info {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.case-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.case-info i {
    color: var(--orange-primary);
}

.case-result {
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--orange-primary);
}

.case-result strong {
    display: block;
    font-size: 1.125rem;
    color: var(--orange-dark);
    margin-bottom: 0.5rem;
}

blockquote {
    font-style: italic;
    color: var(--text-gray);
    line-height: 1.8;
    padding-left: 1rem;
    border-left: 3px solid var(--gray);
}

cite {
    display: block;
    font-style: normal;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* ===================================
   Benefits Highlight Section
   =================================== */
.benefits-highlight {
    background: linear-gradient(135deg, #FFB088, #FF8C5A);
    color: var(--white);
}

.benefits-highlight .section-title {
    color: var(--white);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.highlight-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.highlight-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
}

.highlight-item i {
    font-size: 3rem;
    color: var(--yellow-accent);
    margin-bottom: 1.5rem;
}

.highlight-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.highlight-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: linear-gradient(135deg, #F5F5F5 0%, #EEEEEE 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-pattern-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.10;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .contact::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.13;
    }
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: #212121;
    margin-bottom: 1rem;
}

.contact-desc {
    font-size: 1.125rem;
    color: #424242;
    font-weight: 600;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.contact-desc strong {
    color: var(--orange-primary);
    font-weight: 800;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-item i {
    width: 50px;
    height: 50px;
    background: var(--orange-primary);
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-item div {
    display: flex;
    flex-direction: column;
}

.feature-item strong {
    font-size: 1.125rem;
    color: #212121;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.feature-item span {
    font-size: 0.9375rem;
    color: #616161;
    font-weight: 500;
}

.contact-direct {
    padding: 2rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    text-align: center;
    border: 2px solid #E0E0E0;
}

.contact-direct p {
    font-size: 1rem;
    color: #424242;
    font-weight: 600;
    margin-bottom: 1rem;
}

.email-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--orange-primary);
    margin-bottom: 1rem;
    padding: 1rem;
    background: #FFF8F0;
    border-radius: 8px;
}

.email-contact i {
    font-size: 1.5rem;
}

.business-hours {
    display: block;
    font-size: 0.9375rem;
    color: #616161;
    font-weight: 500;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    border: 2px solid #E0E0E0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 700;
    color: #212121;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid #D0D0D0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    color: #212121;
    background: #FAFAFA;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    color: #424242;
    font-size: 0.9375rem;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.privacy-link {
    color: var(--orange-primary);
    text-decoration: underline;
}

.form-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: #616161;
    font-weight: 500;
    margin-top: 0.5rem;
}

.form-notice i {
    color: var(--orange-primary);
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    background: #F8F8F8;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 2px solid var(--gray);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--orange-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--navy-dark);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--orange-primary);
}

.faq-question i {
    color: var(--orange-primary);
    transition: var(--transition);
    font-size: 1rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem 2rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--navy-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.footer-logo-full {
    height: 70px;
    width: auto;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-section ul li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-section a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* ===================================
   Fixed CTA Button
   =================================== */
.fixed-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.fixed-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

.btn-fixed {
    box-shadow: var(--shadow-lg);
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-fixed:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(10, 36, 99, 0.25);
}

/* ===================================
   Modal
   =================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 36, 99, 0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--navy-primary);
}

.modal-icon {
    font-size: 4rem;
    color: var(--orange-primary);
    margin-bottom: 1.5rem;
}

.modal-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .process-timeline {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 50px;
    }
    
    body {
        font-size: 16px;
        line-height: 1.8;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .section-title {
        font-size: 1.875rem;
        line-height: 1.4;
        margin-bottom: 1.5rem;
        font-weight: 800;
    }
    
    .section-subtitle {
        font-size: 1.0625rem;
        line-height: 1.7;
        color: #616161;
        font-weight: 500;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.3;
        margin-bottom: 1.5rem;
        text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        font-weight: 900;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        line-height: 1.7;
        text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
        font-weight: 500;
    }
    
    .hero-strong {
        font-size: 1.5em;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1.25rem;
        margin-bottom: 2rem;
    }
    
    .hero-cta .btn {
        width: 100%;
        padding: 20px 24px;
        font-size: 1.125rem;
        font-weight: 700;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    
    .hero-trust {
        flex-direction: column;
        gap: 1rem;
    }
    
    .why-grid,
    .simulator-grid,
    .trust-grid,
    .cases-grid,
    .highlight-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .why-card {
        padding: 2rem 1.75rem;
    }
    
    .why-card h3 {
        font-size: 1.5rem;
        margin-bottom: 1.25rem;
        font-weight: 800;
    }
    
    .why-card p {
        font-size: 1.0625rem;
        line-height: 1.8;
        font-weight: 600;
        color: #424242;
    }
    
    .why-highlight {
        font-size: 1rem;
        padding: 1rem 1.5rem;
        font-weight: 700;
    }
    
    .why-icon {
        width: 64px;
        height: 64px;
        margin-bottom: 1.25rem;
    }
    
    .why-icon i {
        font-size: 1.75rem;
    }
    
    .brand-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        max-width: 100%;
    }
    
    .brand-showcase {
        padding: 2.5rem 1.75rem;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .brand-text {
        max-width: 100%;
        width: 100%;
    }
    
    .brand-text h3 {
        font-size: 2rem;
        line-height: 1.3;
        font-weight: 900;
        text-align: center;
    }
    
    .brand-text p {
        font-size: 1.0625rem;
        line-height: 1.8;
        font-weight: 600;
        text-align: center;
    }
    
    .brand-logo-large {
        max-width: 100%;
        width: 100%;
        padding: 2rem;
        box-sizing: border-box;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .brand-full-logo {
        max-width: 240px;
        width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    
    .brand-features {
        max-width: 100%;
        width: 100%;
    }
    
    .brand-features span {
        font-size: 1rem;
        padding: 0.875rem 1.25rem;
        font-weight: 700;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .stats-banner {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 2rem 1.5rem;
    }
    
    .stat-number {
        font-size: 2.25rem;
        font-weight: 900;
    }
    
    .stat-label {
        font-size: 0.9375rem;
        font-weight: 600;
    }
    
    .stat-item {
        justify-content: center;
        text-align: left;
    }
    
    .simulator-card {
        padding: 2rem 1.75rem;
    }
    
    .simulator-type {
        font-size: 1.375rem;
        font-weight: 800;
        margin-bottom: 0.75rem;
    }
    
    .simulator-capacity {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .amount-value {
        font-size: 2.25rem;
        font-weight: 900;
    }
    
    .amount-label {
        font-size: 1rem;
        font-weight: 600;
    }
    
    .simulator-details li {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .cert-badges {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .cert-badge {
        padding: 1.75rem 1.25rem;
    }
    
    .cert-badge span {
        font-size: 0.9375rem;
        font-weight: 600;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .process-step h3 {
        font-size: 1.25rem;
        font-weight: 700;
    }
    
    .process-step p {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .contact {
        overflow-x: hidden;
    }
    
    .contact-wrapper {
        max-width: 100%;
        width: 100%;
    }
    
    .contact-info {
        max-width: 100%;
        width: 100%;
    }
    
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .contact-form {
        max-width: 100%;
        width: 100%;
    }
    
    .form-group {
        max-width: 100%;
        width: 100%;
    }
    
    .form-group label {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 0.625rem;
        max-width: 100%;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 1rem;
        padding: 14px 16px;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .contact-direct {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .email-contact {
        max-width: 100%;
        width: 100%;
        word-break: break-word;
    }
    
    .faq-question {
        padding: 1.25rem 1.5rem;
        font-size: 1.125rem;
        font-weight: 700;
    }
    
    .faq-answer p {
        padding: 0 1.5rem 1.25rem 1.5rem;
        font-size: 1rem;
        line-height: 1.8;
        color: #424242;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .fixed-cta {
        bottom: 20px;
        right: 20px;
        left: 20px;
    }
    
    .btn-fixed {
        width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .section-title {
        font-size: 1.625rem;
        line-height: 1.35;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.0625rem;
    }
    
    .hero-strong {
        font-size: 1.4em;
    }
    
    .btn-lg {
        padding: 18px 24px;
        font-size: 1.0625rem;
    }
    
    .why-card {
        padding: 1.75rem 1.5rem;
    }
    
    .why-card h3 {
        font-size: 1.375rem;
    }
    
    .why-card p {
        font-size: 1rem;
    }
    
    .trust-number {
        font-size: 2.25rem;
    }
    
    .trust-card h3 {
        font-size: 1.25rem;
    }
    
    .amount-value {
        font-size: 2rem;
    }
    
    .email-contact {
        font-size: 1.125rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .cert-badges {
        grid-template-columns: 1fr;
    }
    
    .cert-badge {
        padding: 1.5rem 1.25rem;
    }
    
    .faq-question {
        font-size: 1.0625rem;
        padding: 1.125rem 1.25rem;
    }
    
    .faq-answer p {
        font-size: 0.9375rem;
        padding: 0 1.25rem 1.125rem 1.25rem;
    }
    
    .logo-full {
        height: 40px;
    }
    
    .brand-full-logo {
        max-width: 200px;
    }
    
    .footer-logo-full {
        height: 55px;
    }
}

/* ===================================
   Customer Satisfaction Section
   =================================== */
.satisfaction {
    background: #FFFFFF;
    position: relative;
}

.satisfaction::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-pattern-2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .satisfaction::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.11;
    }
}

.satisfaction .container {
    position: relative;
    z-index: 1;
}

.satisfaction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.satisfaction-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--gray);
    position: relative;
}

.satisfaction-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--orange-primary);
}

.satisfaction-card.featured {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    color: var(--white);
    border-color: var(--orange-dark);
}

.satisfaction-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--orange-primary), var(--yellow-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.satisfaction-card.featured .satisfaction-icon {
    background: rgba(255, 255, 255, 0.2);
}

.satisfaction-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.satisfaction-chart {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
}

.circular-chart {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    max-height: 150px;
}

.circle-bg {
    fill: none;
    stroke: #EEEEEE;
    stroke-width: 3.8;
}

.satisfaction-card.featured .circle-bg {
    stroke: rgba(255, 255, 255, 0.2);
}

.circle {
    fill: none;
    stroke: var(--orange-primary);
    stroke-width: 3.8;
    stroke-linecap: round;
    animation: progress 1.5s ease-out forwards;
}

.satisfaction-card.featured .circle {
    stroke: var(--yellow-accent);
}

@keyframes progress {
    0% {
        stroke-dasharray: 0 100;
    }
}

.chart-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.chart-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--orange-primary);
    line-height: 1;
}

.satisfaction-card.featured .chart-number {
    color: var(--white);
}

.chart-total,
.chart-unit {
    display: inline-block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-gray);
}

.satisfaction-card.featured .chart-total,
.satisfaction-card.featured .chart-unit {
    color: rgba(255, 255, 255, 0.9);
}

.satisfaction-card h3 {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.satisfaction-card.featured h3 {
    color: var(--white);
}

.satisfaction-card p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.satisfaction-card.featured p {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

/* Reviews Section */
.reviews-container {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 2px solid var(--gray);
}

.reviews-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 3rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.review-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--orange-primary);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.review-stars {
    display: flex;
    gap: 0.25rem;
}

.review-stars i {
    color: var(--yellow-accent);
    font-size: 1.125rem;
}

.review-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.review-author {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1rem;
}

.review-type {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
}

.review-text {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 0.9375rem;
    font-weight: 500;
}

/* ===================================
   Photo Upload Section
   =================================== */
.photo-upload {
    background: linear-gradient(135deg, #FFF8F0 0%, #FFF4E6 100%);
    position: relative;
}

.photo-upload::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-rays.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.06;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .photo-upload::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.09;
    }
}

.photo-upload .container {
    position: relative;
    z-index: 1;
}

.upload-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.upload-header {
    text-align: center;
    margin-bottom: 3rem;
}

.upload-icon-large {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--orange-primary), var(--yellow-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.upload-icon-large i {
    font-size: 3rem;
    color: var(--white);
}

.upload-content {
    display: grid;
    gap: 3rem;
}

.upload-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.upload-benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 2px solid #FFE0CC;
}

.upload-benefit-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-light));
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.upload-benefit-item div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.upload-benefit-item strong {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-dark);
}

.upload-benefit-item span {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
}

.upload-form-card {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 2px solid #FFE0CC;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.file-upload-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.file-upload-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #FFF8F0 0%, #FFF0E0 100%);
    border: 3px dashed var(--orange-primary);
    border-radius: 16px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.file-upload-btn:hover {
    background: linear-gradient(135deg, #FFF0E0 0%, #FFE8D0 100%);
    border-color: var(--orange-dark);
    transform: translateY(-2px);
}

.file-upload-btn i {
    font-size: 3rem;
    color: var(--orange-primary);
}

.file-upload-btn span {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
}

.file-preview {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.file-preview img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    display: block;
}

.file-remove-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

.file-remove-btn:hover {
    background: var(--orange-primary);
}

.file-hint {
    font-size: 0.875rem;
    color: var(--text-gray);
    text-align: center;
}

.required {
    color: var(--orange-primary);
    font-weight: 700;
}

/* Responsive - Satisfaction Section */
@media (max-width: 768px) {
    .satisfaction-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .satisfaction-card {
        padding: 2rem 1.5rem;
    }
    
    .satisfaction-chart {
        width: 130px;
        height: 130px;
    }
    
    .chart-number {
        font-size: 2.25rem;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .review-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .review-meta {
        align-items: flex-start;
    }
}

/* Responsive - Photo Upload Section */
@media (max-width: 768px) {
    .photo-upload {
        overflow-x: hidden;
    }
    
    .upload-wrapper {
        max-width: 100%;
        width: 100%;
    }
    
    .upload-header {
        max-width: 100%;
        padding: 0;
    }
    
    .upload-icon-large {
        width: 80px;
        height: 80px;
    }
    
    .upload-icon-large i {
        font-size: 2.5rem;
    }
    
    .upload-benefits {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 100%;
    }
    
    .upload-benefit-item {
        padding: 1.25rem;
        max-width: 100%;
        width: 100%;
    }
    
    .upload-form-card {
        padding: 2rem 1.5rem;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .upload-form {
        max-width: 100%;
        width: 100%;
    }
    
    .upload-form .form-group {
        max-width: 100%;
        width: 100%;
    }
    
    .upload-form .form-group input,
    .upload-form .form-group button {
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .file-upload-btn {
        padding: 2.5rem 1.5rem;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .file-upload-btn i {
        font-size: 2.5rem;
    }
    
    .file-upload-btn span {
        font-size: 1rem;
    }
    
    .file-upload-wrapper {
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .upload-icon-large {
        width: 70px;
        height: 70px;
    }
    
    .upload-icon-large i {
        font-size: 2rem;
    }
    
    .upload-form-card {
        padding: 1.75rem 1.25rem;
        max-width: 100%;
        width: 100%;
    }
    
    .brand-showcase {
        padding: 2rem 1.25rem;
    }
    
    .brand-logo-large {
        padding: 1.5rem;
    }
    
    .brand-full-logo {
        max-width: 200px;
    }
    
    .contact-form-wrapper {
        padding: 1.75rem 1.25rem;
    }
    
    .reviews-title {
        font-size: 1.625rem;
    }
}

/* ===================================
   Before/After Section Wrapper (New Independent Section)
   =================================== */
.before-after-section {
    background: linear-gradient(135deg, #FFF5EB 0%, #FFFFFF 50%, #F0F9FF 100%);
    position: relative;
    overflow: hidden;
}

.before-after-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/bg-solar-pattern-2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.08;
    z-index: 0;
    pointer-events: none;
}

.before-after-section .container {
    position: relative;
    z-index: 1;
}

.before-after-section .section-title {
    color: var(--navy-dark);
    margin-bottom: 12px;
}

.before-after-section .section-subtitle {
    color: var(--text-gray);
    font-size: 1.15rem;
    margin-bottom: 50px;
}

/* ===================================
   Section CTA (Intermediate Conversion Points)
   =================================== */
.section-cta {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px dashed rgba(255, 107, 53, 0.2);
}

.section-cta .btn {
    font-size: 1.2rem;
    padding: 20px 50px;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
    transition: all 0.3s ease;
}

.section-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.35);
}

.section-cta .btn i {
    margin-right: 12px;
    font-size: 1.3rem;
}

@media (max-width: 768px) {
    .before-after-section::before {
        background-attachment: scroll;
        opacity: 0.05;
    }
    
    .section-cta {
        margin-top: 40px;
        padding-top: 30px;
    }
    
    .section-cta .btn {
        font-size: 1.05rem;
        padding: 16px 32px;
        width: 100%;
    }
}

/* ===================================
   Floating Call Button - REMOVED
   (대표번호 생성 전이므로 제거됨)
   =================================== */

/* ===================================
   ROI Calculator Section
   =================================== */
.roi-calculator {
    background: linear-gradient(135deg, #FFF5EB 0%, #FFF8F0 100%);
    position: relative;
}

.roi-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/bg-solar-pattern-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.06;
    pointer-events: none;
    z-index: 0;
}

@media (max-width: 768px) {
    .roi-calculator::before {
        background-attachment: scroll;
        background-size: auto 100%;
        background-repeat: repeat-x;
        opacity: 0.09;
    }
}

.roi-calculator .container {
    position: relative;
    z-index: 1;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.calculator-input-section {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    border: 2px solid #FFE0CC;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-dark);
}

.input-group label i {
    color: var(--orange-primary);
    font-size: 1.5rem;
}

.range-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.bill-slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: linear-gradient(to right, #FFE0CC 0%, var(--orange-primary) 100%);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.bill-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--orange-primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    transition: var(--transition);
}

.bill-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.6);
}

.bill-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--orange-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    transition: var(--transition);
}

.bill-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.6);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
}

.bill-output {
    display: block;
    text-align: center;
    font-size: 3rem;
    font-weight: 900;
    color: var(--orange-primary);
    padding: 1.5rem;
    background: linear-gradient(135deg, #FFF8F0 0%, #FFEFE0 100%);
    border-radius: 16px;
    border: 3px solid var(--orange-primary);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.2);
}

.calculator-result-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.result-card {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
    color: var(--white);
}

.result-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.result-main {
    flex: 1;
}

.result-label {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    opacity: 0.95;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.2;
}

.roi-number {
    color: var(--yellow-accent);
    font-size: 3.5rem;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--orange-primary);
}

.detail-item.success {
    border-left-color: #10B981;
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
}

.detail-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-light));
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.detail-item.success i {
    background: linear-gradient(135deg, #10B981, #059669);
}

.detail-item div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-item strong {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-dark);
}

.detail-item span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--orange-primary);
}

.detail-item.success span {
    color: #059669;
}

.calculator-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.calculator-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-gray);
    text-align: center;
}

.calculator-note i {
    color: var(--orange-primary);
}

/* ROI Timeline */
.roi-timeline {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    border: 2px solid #FFE0CC;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 2rem;
}

.timeline-bar {
    display: flex;
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.timeline-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--white);
    transition: all 0.5s ease;
}

.timeline-segment.investment {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    width: 26%;
}

.timeline-segment.profit {
    background: linear-gradient(135deg, #10B981, #059669);
    width: 74%;
}

.segment-label {
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0.9;
}

.segment-years {
    font-size: 1.5rem;
    font-weight: 900;
}

.timeline-legend {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 6px;
}

.legend-color.investment {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
}

.legend-color.profit {
    background: linear-gradient(135deg, #10B981, #059669);
}

.legend-item span {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* ===================================
   Bill Comparison Section
   =================================== */
.bill-comparison-section {
    margin-bottom: 4rem;
    padding: 3rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 2px solid #E0E0E0;
}

.comparison-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 0.5rem;
}

.comparison-title i {
    color: var(--orange-primary);
}

.comparison-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-gray);
    font-weight: 600;
    margin-bottom: 3rem;
}

.bill-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
}

.bill-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 3px solid #E0E0E0;
    transition: var(--transition);
}

.bill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.bill-card.before {
    border-color: #EF4444;
}

.bill-card.after {
    border-color: #10B981;
}

.bill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid #F0F0F0;
    margin-bottom: 1.5rem;
}

.bill-status {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-dark);
}

.bill-header i {
    font-size: 1.5rem;
}

.bill-card.before .bill-header i {
    color: #EF4444;
}

.bill-card.after .bill-header i {
    color: #10B981;
}

.bill-body {
    margin-bottom: 1.5rem;
}

.bill-label {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.bill-amount {
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 0.75rem;
    line-height: 1;
}

.bill-amount.red {
    color: #EF4444;
}

.bill-amount.green {
    color: #10B981;
}

.bill-date {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
    margin-bottom: 1rem;
}

.bill-detail {
    padding-top: 1rem;
    border-top: 1px solid #F0F0F0;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9375rem;
    font-weight: 600;
}

.detail-row .amount {
    color: var(--text-dark);
    font-weight: 700;
}

.bill-savings {
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
    border-radius: 12px;
    padding: 1.25rem;
    border: 2px solid #10B981;
}

.savings-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    color: #059669;
    margin-bottom: 0.75rem;
}

.savings-badge i {
    font-size: 1.5rem;
}

.savings-badge strong {
    font-weight: 900;
}

.savings-amount {
    text-align: center;
    font-size: 1rem;
    color: #047857;
    font-weight: 600;
}

.savings-amount strong {
    font-size: 1.375rem;
    font-weight: 900;
    color: #059669;
}

.bill-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
}

.arrow-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow-content i {
    font-size: 3rem;
    color: var(--orange-primary);
    animation: slideRight 1.5s ease-in-out infinite;
}

@keyframes slideRight {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
}

.arrow-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--orange-primary);
    background: #FFF8F0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    white-space: nowrap;
}

.comparison-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: #FFF8F0;
    border-radius: 12px;
    border-left: 4px solid var(--orange-primary);
}

.comparison-note i {
    color: var(--orange-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.comparison-note p {
    font-size: 0.9375rem;
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
}

/* Responsive - ROI Calculator */
@media (max-width: 1024px) {
    .calculator-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .calculator-input-section {
        padding: 2rem 1.5rem;
    }
    
    .bill-output {
        font-size: 2.5rem;
        padding: 1.25rem;
    }
    
    .result-card {
        padding: 2rem 1.5rem;
        gap: 1.5rem;
    }
    
    .result-icon {
        width: 60px;
        height: 60px;
    }
    
    .result-icon i {
        font-size: 2rem;
    }
    
    .result-value {
        font-size: 2rem;
    }
    
    .roi-number {
        font-size: 2.75rem;
    }
    
    .timeline-bar {
        height: 60px;
    }
    
    .segment-years {
        font-size: 1.125rem;
    }
    
    .timeline-legend {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Responsive - Bill Comparison */
@media (max-width: 1024px) {
    .bill-comparison {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .bill-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .arrow-content {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .arrow-content i {
        font-size: 2.5rem;
    }
    
    .arrow-text {
        transform: rotate(-90deg);
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
        white-space: nowrap;
    }
}

@media (max-width: 768px) {
    .bill-comparison-section {
        padding: 2rem 1.5rem;
    }
    
    .comparison-title {
        font-size: 1.625rem;
        flex-direction: column;
    }
    
    .bill-card {
        padding: 1.5rem;
    }
    
    .bill-amount {
        font-size: 1.875rem;
    }
    
    .bill-arrow {
        margin: 0.5rem 0;
    }
    
    .arrow-content i {
        font-size: 2rem;
    }
    
    .arrow-text {
        font-size: 0.7rem;
        padding: 0.35rem 0.7rem;
    }
}

@media (max-width: 480px) {
    .bill-amount {
        font-size: 1.625rem;
    }
    
    .bill-arrow {
        margin: 0.25rem 0;
    }
    
    .arrow-content i {
        font-size: 1.75rem;
    }
    
    .arrow-text {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }
    
    .roi-timeline {
        padding: 2rem 1.5rem;
    }
    
    .calculator-input-section {
        padding: 1.75rem 1.25rem;
    }
}