/**
 * 서가건설 - Main Stylesheet
 * 아스팔트 토목 시공업체
 * Color Scheme: Cosmic
 * Design Style: Modern (네이버 참고)
 */

/* ===================================
   CSS Variables - Cosmic Color Scheme
   =================================== */
:root {
    /* Primary Colors - Cosmic Theme */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #7c8ff2;
    --secondary: #764ba2;
    --secondary-dark: #6b4190;
    --accent: #f093fb;
    --accent-alt: #f5576c;

    /* Cosmic Gradient Colors */
    --cosmic-start: #667eea;
    --cosmic-end: #764ba2;
    --cosmic-accent: #f093fb;
    --neon-blue: #00d4ff;
    --neon-purple: #b721ff;
    --star-white: #ffffff;

    /* Background Colors */
    --bg-dark: #0f0f23;
    --bg-darker: #0a0a1a;
    --bg-card: rgba(15, 15, 35, 0.8);
    --bg-card-light: rgba(255, 255, 255, 0.05);
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #f5f5f7;

    /* Text Colors */
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    --text-white: #ffffff;
    --text-cosmic: #e2e8f0;

    /* Functional Colors */
    --success: #48bb78;
    --warning: #ed8936;
    --error: #f56565;
    --info: #4299e1;

    /* Naver Green (Reference) */
    --naver-green: #03C75A;

    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-cosmic: 0 0 30px rgba(102, 126, 234, 0.3);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.5);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    --z-toast: 700;

    /* Container */
    --container-max: 1280px;
    --container-wide: 1400px;
    --container-narrow: 960px;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont,
                 'Segoe UI', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-cosmic);
}

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

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Visually Hidden (for accessibility) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.dark-theme h1, .dark-theme h2, .dark-theme h3,
.dark-theme h4, .dark-theme h5, .dark-theme h6 {
    color: var(--text-white);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-cosmic {
    background: linear-gradient(135deg, var(--cosmic-start) 0%, var(--accent) 50%, var(--cosmic-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.container-wide {
    max-width: var(--container-wide);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 40px 0;
}

.section-lg {
    padding: 120px 0;
}

/* ===================================
   Header
   =================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.site-header.dark-header {
    background: rgba(15, 15, 35, 0.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 20px;
    max-width: var(--container-wide);
    margin: 0 auto;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 18px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-text span {
    color: var(--primary);
}

.dark-header .logo-text {
    color: var(--text-white);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background-color: rgba(102, 126, 234, 0.08);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.dark-header .main-nav a {
    color: var(--text-light);
}

.dark-header .main-nav a:hover,
.dark-header .main-nav a.active {
    color: var(--text-white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.header-phone:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.header-phone svg {
    width: 16px;
    height: 16px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.hamburger {
    width: 22px;
    height: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    display: block;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.dark-header .hamburger span {
    background-color: var(--text-white);
}

.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--bg-gray);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e2e2e7;
    color: var(--text-primary);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

.btn-white {
    background: white;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Cards
   =================================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 24px;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Glass Card */
.card-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Cosmic Card */
.card-cosmic {
    background: linear-gradient(135deg, rgba(15, 15, 35, 0.9) 0%, rgba(30, 30, 60, 0.9) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    color: var(--text-cosmic);
}

.card-cosmic:hover {
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: var(--shadow-cosmic);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-cosmic {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-cosmic .hero-title {
    color: var(--text-white);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cosmic .hero-subtitle {
    color: var(--text-light);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 4px;
}

/* Hero Background Effects */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: radial-gradient(ellipse at 50% 50%,
                rgba(102, 126, 234, 0.15) 0%,
                rgba(118, 75, 162, 0.1) 40%,
                transparent 70%);
    animation: hero-gradient-rotate 30s linear infinite;
}

@keyframes hero-gradient-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===================================
   Hero Image Slider
   =================================== */
.hero-image-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    max-height: 900px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-slider .slider-wrapper {
    display: flex;
    height: 100%;
    will-change: transform;
}

.hero-slider .slider-slide {
    flex: 0 0 100%;
    min-width: 100%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.5) 100%
    );
}

.slide-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    align-items: center;
}

.slide-text-box {
    max-width: 600px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInLeft 0.8s ease forwards;
}

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

.slide-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.slide-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 400;
    line-height: 1.3;
    color: white;
    margin-bottom: 16px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.slide-title strong {
    font-weight: 800;
    display: block;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 28px;
}

.slide-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-outline-white {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
}

.btn-outline-white:hover {
    background: white;
    border-color: white;
    color: var(--text-primary);
}

/* Slider Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.slider-arrow:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.slider-arrow svg {
    width: 26px;
    height: 26px;
}

.slider-arrow-prev {
    left: 30px;
}

.slider-arrow-next {
    right: 30px;
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    gap: 12px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.slider-dot.active {
    background: white;
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

/* Mobile Slider Styles */
@media (max-width: 991px) {
    .hero-image-section {
        height: 60vh;
        min-height: 350px;
        max-height: 450px;
    }

    .hero-slider .slider-slide {
        min-height: 350px;
    }

    .slide-text-box {
        max-width: 100%;
        padding: 28px;
        margin: 0 16px;
        border-radius: 20px;
    }

    .slide-title {
        font-size: 1.5rem;
    }

    .slide-desc {
        font-size: 0.9375rem;
    }

    .slider-arrow {
        width: 48px;
        height: 48px;
    }

    .slider-arrow svg {
        width: 22px;
        height: 22px;
    }

    .slider-arrow-prev {
        left: 15px;
    }

    .slider-arrow-next {
        right: 15px;
    }

    .slider-dots {
        bottom: 25px;
    }
}

@media (max-width: 575px) {
    .hero-image-section {
        height: 50vh;
        min-height: 280px;
        max-height: 350px;
    }

    .hero-slider .slider-slide {
        min-height: 280px;
        background-position: 65% center;
    }

    .slide-text-box {
        padding: 16px 14px;
        margin: 0 10px;
        border-radius: 12px;
    }

    .slide-badge {
        font-size: 0.75rem;
        padding: 6px 10px;
        margin-bottom: 8px;
    }

    .slide-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .slide-desc {
        font-size: 0.8125rem;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .slide-actions {
        flex-direction: column;
        gap: 8px;
    }

    .slide-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 10px 16px;
        font-size: 0.8125rem;
    }

    .slider-arrow {
        width: 36px;
        height: 36px;
    }

    .slider-arrow svg {
        width: 16px;
        height: 16px;
    }

    .slider-arrow-prev {
        left: 8px;
    }

    .slider-arrow-next {
        right: 8px;
    }

    .slider-dots {
        bottom: 15px;
    }

    .slider-dot {
        width: 8px;
        height: 8px;
    }

    .slider-arrow-next {
        right: 10px;
    }

    .slider-dots {
        bottom: 20px;
        gap: 10px;
    }

    .slider-dot {
        width: 10px;
        height: 10px;
    }
}

/* ===================================
   Legacy Slider (fallback)
   =================================== */
.slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.slider-wrapper {
    display: flex;
    transition: transform 500ms ease;
}

.slider-slide {
    flex: 0 0 100%;
    min-width: 100%;
}

.slider-slide img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.slider-nav:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.slider-nav-prev {
    left: 20px;
}

.slider-nav-next {
    right: 20px;
}

.slider-nav svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

/* Slider Pagination */
.slider-pagination {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.slider-dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active,
.slider-dot:hover {
    background: white;
    transform: scale(1.2);
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    padding: 32px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header.align-left {
    text-align: left;
    margin: 0 0 40px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.7;
}

/* ===================================
   Portfolio Grid
   =================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

/* ===================================
   Review Cards
   =================================== */
.review-card {
    padding: 32px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.review-star {
    width: 20px;
    height: 20px;
    color: #ffc107;
}

.review-star.empty {
    color: #e0e0e0;
}

.review-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
}

.review-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.review-info span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===================================
   FAQ Accordion
   =================================== */
.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid #eee;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--bg-gray);
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gray);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Contact Form
   =================================== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-label.required::after {
    content: '*';
    color: var(--error);
    margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
    background: white;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 6px;
}

.form-hint {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin-top: 6px;
}

/* Radio & Checkbox */
.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.form-radio,
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-radio input,
.form-checkbox input {
    display: none;
}

.form-radio-custom,
.form-checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.form-checkbox-custom {
    border-radius: var(--radius-sm);
}

.form-radio input:checked + .form-radio-custom,
.form-checkbox input:checked + .form-checkbox-custom {
    border-color: var(--primary);
    background: var(--primary);
}

.form-radio-custom::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-radio input:checked + .form-radio-custom::after {
    opacity: 1;
}

.form-checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-checkbox input:checked + .form-checkbox-custom::after {
    opacity: 1;
}

/* Service Selection Cards */
.service-selection {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.service-option {
    position: relative;
    padding: 20px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.service-option:hover {
    border-color: var(--primary);
}

.service-option input {
    position: absolute;
    opacity: 0;
}

.service-option.selected {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.service-option-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 12px;
}

.service-option-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.service-option-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===================================
   Image Upload
   =================================== */
.upload-area {
    border: 2px dashed #ccc;
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
    background: var(--bg-gray);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: var(--text-muted);
}

.upload-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.upload-text strong {
    color: var(--primary);
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.upload-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.upload-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.upload-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background: var(--bg-dark);
    color: var(--text-cosmic);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: var(--text-white);
}

.footer-brand p {
    color: var(--text-light);
    line-height: 1.7;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-light);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-white);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.footer-contact-item svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact-item span {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-legal a:hover {
    color: var(--text-white);
}

/* ===================================
   Utilities
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.py-1 { padding-top: 8px; padding-bottom: 8px; }
.py-2 { padding-top: 16px; padding-bottom: 16px; }
.py-3 { padding-top: 24px; padding-bottom: 24px; }
.py-4 { padding-top: 32px; padding-bottom: 32px; }
.py-5 { padding-top: 48px; padding-bottom: 48px; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.gap-4 { gap: 32px; }

.bg-white { background-color: white; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); }
.bg-gradient { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ===================================
   Loading & Spinner
   =================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

/* ===================================
   Toast Notifications
   =================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    min-width: 300px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toast-in 0.3s ease;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--error); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--info); }

.toast-message {
    flex: 1;
    font-size: 0.9375rem;
}

.toast-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.toast-close:hover {
    background-color: var(--bg-gray);
}

/* ===================================
   Modal
   =================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #eee;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--bg-gray);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #eee;
}

/* ===================================
   Animation Utilities
   =================================== */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

.fade-in-down {
    animation: fadeInDown 0.5s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.5s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ===================================
   Page Transition
   =================================== */
.page-transition {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.page-transition.active {
    transform: translateY(0);
}

/* ===================================
   Stats Section (Separated from Hero)
   =================================== */
.stats-section {
    position: relative;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 50%, var(--bg-light) 100%);
    padding: 60px 0 80px;
    margin-top: -1px;
}

.stats-wrapper {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 40px;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.15), 0 8px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.stats-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: translateY(-4px);
}

.stat-icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 4px;
}

/* Mobile Stats */
@media (max-width: 991px) {
    .stats-section {
        padding: 40px 0 60px;
    }

    .stats-wrapper {
        padding: 32px 24px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-item {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: 20px 12px;
    }

    .stat-icon-wrapper {
        width: 56px;
        height: 56px;
    }

    .stat-icon-wrapper svg {
        width: 24px;
        height: 24px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.8125rem;
    }
}

@media (max-width: 575px) {
    .stats-section {
        padding: 30px 0 50px;
    }

    .stats-wrapper {
        padding: 24px 16px;
        border-radius: var(--radius-xl);
    }

    .stats-grid {
        gap: 16px;
    }

    .stat-item {
        padding: 16px 8px;
    }

    .stat-icon-wrapper {
        width: 48px;
        height: 48px;
    }

    .stat-icon-wrapper svg {
        width: 22px;
        height: 22px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .site-header,
    .site-footer,
    .mobile-nav,
    .mobile-cta,
    .btn,
    .slider-nav,
    .slider-pagination {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: black;
        background: white;
    }

    .container {
        max-width: 100%;
    }
}