/*
Theme Name: Dove Wallpaper
Theme URI: https://dove.zibsuri.com
Author: ZIBSURI
Author URI: https://zibsuri.com
Description: 전문 도배 업체를 위한 프리미엄 워드프레스 테마. 현대적이고 세련된 디자인으로 도배 서비스의 전문성을 표현합니다.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dove-wallpaper
Tags: wallpaper, interior, business, portfolio, responsive, modern
*/

/* ============================================
   CSS Variables & Root Settings
   ============================================ */
:root {
    /* Primary Colors - Warm & Professional */
    --color-primary: #059669;
    --color-primary-dark: #047857;
    --color-primary-light: #10B981;

    /* Secondary Colors */
    --color-secondary: #D4C4B0;
    --color-secondary-light: #F5F0EB;
    --color-accent: #C9A66B;

    /* Neutral Colors */
    --color-dark: #2C2824;
    --color-gray-900: #3D3733;
    --color-gray-700: #5C554D;
    --color-gray-500: #8B8378;
    --color-gray-300: #C4BEB6;
    --color-gray-100: #F0EDE9;
    --color-white: #FFFFFF;
    --color-cream: #FDFBF8;

    /* Text Colors */
    --color-text: #3D3733;
    --color-text-light: #6B6560;
    --color-text-muted: #9B958D;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-warm: linear-gradient(180deg, var(--color-cream) 0%, var(--color-secondary-light) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(44,40,36,0.1) 0%, rgba(44,40,36,0.7) 100%);

    /* Typography */
    --font-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    --font-heading: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Playfair Display', Georgia, serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1280px;
    --container-narrow: 960px;
    --container-wide: 1440px;

    /* Borders & Shadows */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 40px rgba(5, 150, 105, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

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

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-md);
}

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

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

strong, b {
    font-weight: 600;
}

/* ============================================
   Layout & Container
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

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

.section {
    padding: var(--space-5xl) 0;
}

.section-sm {
    padding: var(--space-3xl) 0;
}

.section-lg {
    padding: var(--space-5xl) 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 500;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

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

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

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
}

/* ============================================
   Header & Navigation
   ============================================ */
.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(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-logo img {
    height: 45px;
    width: auto;
}

.site-logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-dark);
}

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

.main-navigation {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-menu a {
    display: block;
    padding: var(--space-sm) 0;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-menu a:hover,
.nav-menu .current-menu-item a {
    color: var(--color-primary);
}

.nav-menu a:hover::after,
.nav-menu .current-menu-item a::after {
    width: 100%;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.header-phone svg {
    width: 20px;
    height: 20px;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    margin: 6px 0;
    transition: all var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--gradient-warm);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(5, 150, 105, 0.08);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--color-dark);
}

.hero-title .highlight {
    color: var(--color-primary);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--color-accent);
    opacity: 0.3;
    z-index: -1;
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-300);
}

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

.hero-stat-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* Hero Pattern Animation */
.hero-pattern {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: url('data:image/svg+xml,...') repeat;
    opacity: 0.05;
    animation: floatPattern 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes floatPattern {
    0%, 100% { transform: translateY(-50%) rotate(0deg); }
    50% { transform: translateY(-48%) rotate(2deg); }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-secondary-light);
    color: var(--color-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-text-light);
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    background: var(--color-cream);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-smooth);
    border: 1px solid var(--color-gray-100);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
}

.service-icon svg,
.service-icon img {
    width: 40px;
    height: 40px;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon svg {
    filter: brightness(0) invert(1);
}

.service-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.service-description {
    color: var(--color-text-light);
    font-size: var(--text-base);
    margin-bottom: var(--space-lg);
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--space-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
    color: var(--color-text-light);
    border-bottom: 1px dashed var(--color-gray-100);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: 600;
}

.service-price {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.service-price span {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-text-muted);
}

/* ============================================
   Portfolio / Gallery Section
   ============================================ */
.portfolio-section {
    background: var(--color-white);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.portfolio-filter {
    padding: var(--space-sm) var(--space-lg);
    background: none;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.portfolio-filter:hover,
.portfolio-filter.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

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

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

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(44,40,36,0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.portfolio-title {
    color: var(--color-white);
    font-size: var(--text-xl);
    margin-bottom: var(--space-xs);
}

.portfolio-category {
    color: var(--color-accent);
    font-size: var(--text-sm);
}

/* ============================================
   Why Choose Us / Features
   ============================================ */
.features-section {
    background: var(--color-dark);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,...') repeat;
    opacity: 0.02;
}

.features-section .section-badge {
    background: rgba(201, 166, 107, 0.2);
    color: var(--color-accent);
}

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

.features-section .section-description {
    color: var(--color-gray-300);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.feature-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.feature-title {
    font-size: var(--text-xl);
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--color-gray-300);
    font-size: var(--text-base);
    line-height: 1.7;
}

/* ============================================
   Process Section
   ============================================ */
.process-section {
    background: var(--color-cream);
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-primary);
}

.process-step {
    position: relative;
    padding-left: 80px;
    padding-bottom: var(--space-2xl);
}

.process-step:last-child {
    padding-bottom: 0;
}

.process-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    z-index: 1;
}

.process-content {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.process-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.process-description {
    color: var(--color-text-light);
    margin: 0;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    background: var(--color-secondary-light);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-smooth);
}

.testimonial-card {
    flex: 0 0 100%;
    padding: var(--space-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-quote {
    font-size: var(--text-xl);
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    font-family: var(--font-accent);
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.3;
    position: absolute;
    top: -20px;
    left: -10px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary);
}

.testimonial-info h4 {
    font-size: var(--text-lg);
    margin-bottom: 0;
}

.testimonial-info span {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.testimonial-rating {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--space-lg);
}

.testimonial-rating svg {
    width: 24px;
    height: 24px;
    fill: var(--color-accent);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--space-5xl) 0;
    background: var(--gradient-primary);
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-description {
    font-size: var(--text-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.cta-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    font-size: var(--text-2xl);
    font-weight: 700;
}

.cta-phone svg {
    width: 32px;
    height: 32px;
    animation: ring 1.5s ease-in-out infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0); }
    10%, 30% { transform: rotate(-15deg); }
    20%, 40% { transform: rotate(15deg); }
    50% { transform: rotate(0); }
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info {
    background: var(--color-cream);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
}

.contact-info h3 {
    margin-bottom: var(--space-lg);
}

.contact-list {
    list-style: none;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.contact-item h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
}

.contact-item p {
    font-size: var(--text-base);
    color: var(--color-text-light);
    margin: 0;
}

.contact-item a {
    color: var(--color-primary);
    font-weight: 500;
}

.contact-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.social-link {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

.social-link svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

/* Contact Form */
.contact-form {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-label .required {
    color: #e53e3e;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-primary);
}

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

.form-submit {
    width: 100%;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--space-4xl) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
}

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

.footer-brand p {
    font-size: var(--text-base);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--text-lg);
    margin-bottom: var(--space-lg);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-gray-300);
    font-size: var(--text-base);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding: var(--space-lg) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    font-size: var(--text-sm);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

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

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

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

@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);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.6s ease forwards;
}

/* ============================================
   Floating Elements / Antigravity Effects
   ============================================ */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.floating-slow {
    animation: floating 5s ease-in-out infinite;
}

.floating-delayed {
    animation: floating 3s ease-in-out infinite;
    animation-delay: 1s;
}

/* Parallax-like decorative elements */
.deco-circle {
    position: absolute;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.05;
    pointer-events: none;
}

.deco-circle-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
    animation: floating 6s ease-in-out infinite;
}

.deco-circle-2 {
    width: 200px;
    height: 200px;
    bottom: 10%;
    left: -50px;
    animation: floating 8s ease-in-out infinite;
    animation-delay: 2s;
}

/* ============================================
   Scroll Progress Bar
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 9999;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-5px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 70px;
    }

    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .hero-stat-number {
        font-size: var(--text-2xl);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .services-grid,
    .portfolio-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: none;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }

    .process-timeline::before {
        left: 20px;
    }

    .process-step {
        padding-left: 60px;
    }

    .process-number {
        width: 40px;
        height: 40px;
        font-size: var(--text-base);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   Mobile Navigation Overlay
   ============================================ */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-dark);
}

.mobile-nav ul {
    list-style: none;
    text-align: center;
}

.mobile-nav ul li {
    margin: var(--space-md) 0;
}

.mobile-nav ul a {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-dark);
}

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

/* ============================================
   Loading Animation
   ============================================ */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-gray-100);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Image Lazy Loading Placeholder
   ============================================ */
.lazy-image {
    background: var(--color-gray-100);
    position: relative;
    overflow: hidden;
}

.lazy-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-white); }

.bg-primary { background-color: var(--color-primary); }
.bg-cream { background-color: var(--color-cream); }
.bg-dark { background-color: var(--color-dark); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}