/**
 * Jitu Mistry & Associates - Main Stylesheet
 * Architecture & Interior Design Portfolio
 */

/* ============================================
   CSS Variables & Reset
   ============================================ */

:root {
    --color-primary: #1a1a1a;
    --color-secondary: #2d2d2d;
    --color-accent: #c9a55c;
    --color-accent-dark: #a88a4a;
    --color-accent-light: #dfc589;
    --color-cream: #f5f5f0;
    --color-white: #ffffff;
    --color-gray-100: #f8f8f6;
    --color-gray-200: #e8e8e4;
    --color-gray-300: #d1d1cd;
    --color-gray-400: #9a9a96;
    --color-gray-500: #6b6b67;
    --color-gray-600: #4a4a47;
    --color-success: #2d6a4f;
    --color-error: #9b2c2c;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Raleway', 'Segoe UI', sans-serif;
    --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;
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --container-width: 1400px;
    --header-height: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); font-size: 1rem; line-height: 1.7; color: var(--color-secondary); background-color: var(--color-cream); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 500; line-height: 1.2; color: var(--color-primary); }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 var(--space-xl); }
section { padding: var(--space-4xl) 0; }

/* Header */
.site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-height); z-index: 1000; background: transparent; transition: all var(--transition-base); }
.site-header.scrolled { background: rgba(26, 26, 26, 0.95); backdrop-filter: blur(10px); box-shadow: var(--shadow-lg); }
.nav-container { max-width: var(--container-width); margin: 0 auto; padding: 0 var(--space-xl); height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: var(--space-sm); color: var(--color-white); font-family: var(--font-heading); font-weight: 600; }
.logo:hover { opacity: 0.8; }
.logo-text { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); color: var(--color-primary); font-size: 1.25rem; font-weight: 700; letter-spacing: -1px; }
.logo-full { font-size: 1.1rem; letter-spacing: 0.5px; }
.nav-menu { display: flex; align-items: center; gap: var(--space-xl); }
.nav-link { position: relative; color: rgba(255, 255, 255, 0.85); font-size: 0.95rem; font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase; padding: var(--space-sm) 0; }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--color-accent); transition: width var(--transition-base); }
.nav-link:hover, .nav-link.active { color: var(--color-white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-toggle { display: none; width: 32px; height: 32px; position: relative; }
.hamburger, .hamburger::before, .hamburger::after { width: 24px; height: 2px; background: var(--color-white); position: absolute; transition: all var(--transition-base); }
.hamburger { top: 50%; left: 50%; transform: translate(-50%, -50%); }
.hamburger::before, .hamburger::after { content: ''; left: 0; }
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); padding: var(--space-md) var(--space-xl); font-size: 0.95rem; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; border-radius: 0; transition: all var(--transition-base); }
.btn svg { width: 18px; height: 18px; transition: transform var(--transition-fast); }
.btn-primary { background: var(--color-accent); color: var(--color-primary); border: 2px solid var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-outline { background: transparent; color: var(--color-white); border: 2px solid var(--color-white); }
.btn-outline:hover { background: var(--color-white); color: var(--color-primary); }
.btn-full { width: 100%; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--color-primary); }
.hero-bg { position: absolute; inset: 0; z-index: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(26, 26, 26, 0.8) 50%, rgba(26, 26, 26, 0.7) 100%); }
.blueprint-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(201, 165, 92, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(201, 165, 92, 0.03) 1px, transparent 1px); background-size: 50px 50px; animation: blueprintMove 20s linear infinite; }
@keyframes blueprintMove { 0% { transform: translate(0, 0); } 100% { transform: translate(50px, 50px); } }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 900px; padding: var(--space-xl); }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-lg); background: rgba(201, 165, 92, 0.1); border: 1px solid rgba(201, 165, 92, 0.3); color: var(--color-accent); font-size: 0.85rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: var(--space-xl); animation: fadeInUp 0.8s ease; }
.badge-icon svg { width: 16px; height: 16px; }
.hero-title { color: var(--color-white); font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 500; letter-spacing: -1px; margin-bottom: var(--space-lg); animation: fadeInUp 0.8s ease 0.1s backwards; }
.title-line { display: block; background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-300) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { color: var(--color-accent); font-family: var(--font-heading); font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 400; font-style: italic; margin-bottom: var(--space-lg); animation: fadeInUp 0.8s ease 0.2s backwards; }
.hero-description { color: var(--color-gray-400); font-size: 1.1rem; max-width: 600px; margin: 0 auto var(--space-2xl); animation: fadeInUp 0.8s ease 0.3s backwards; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: var(--space-lg); animation: fadeInUp 0.8s ease 0.4s backwards; }
.hero-scroll { position: absolute; bottom: var(--space-2xl); left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); color: var(--color-gray-500); font-size: 0.75rem; letter-spacing: 2px; text-transform: uppercase; }
.scroll-indicator { width: 24px; height: 40px; border: 2px solid var(--color-gray-600); border-radius: 12px; position: relative; }
.scroll-indicator::before { content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--color-accent); border-radius: 2px; animation: scrollBounce 2s ease infinite; }
@keyframes scrollBounce { 0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); } 50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* Section Headers */
.section-header { margin-bottom: var(--space-3xl); }
.section-header.centered { text-align: center; }
.section-tag { display: inline-block; color: var(--color-accent); font-size: 0.85rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: var(--space-md); }
.section-title { margin-bottom: var(--space-md); }
.section-subtitle { color: var(--color-gray-500); font-size: 1.1rem; max-width: 600px; }
.section-header.centered .section-subtitle { margin: 0 auto; }

/* About Section */
.about-section { background: var(--color-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4xl); align-items: center; }
.about-text { color: var(--color-gray-600); font-size: 1.05rem; margin-bottom: var(--space-2xl); }
.about-text p { margin-bottom: var(--space-lg); }
.about-features { display: flex; flex-direction: column; gap: var(--space-lg); }
.feature { display: flex; align-items: flex-start; gap: var(--space-lg); }
.feature-icon { flex-shrink: 0; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--color-cream); color: var(--color-accent); }
.feature-icon svg { width: 24px; height: 24px; }
.feature-text h4 { font-family: var(--font-body); font-weight: 600; margin-bottom: var(--space-xs); }
.feature-text p { color: var(--color-gray-500); font-size: 0.95rem; margin: 0; }
.about-visual { display: flex; align-items: center; justify-content: center; }
.visual-frame { position: relative; width: 100%; max-width: 400px; aspect-ratio: 1; }
.frame-accent { position: absolute; top: -20px; right: -20px; bottom: 20px; left: 20px; border: 2px solid var(--color-accent); opacity: 0.3; }
.visual-content { position: relative; width: 100%; height: 100%; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%); display: flex; align-items: center; justify-content: center; }
.stat-showcase { text-align: center; color: var(--color-white); }
.showcase-number { font-family: var(--font-heading); font-size: 5rem; font-weight: 500; background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: var(--space-sm); }
.showcase-label { font-size: 1rem; letter-spacing: 2px; text-transform: uppercase; color: var(--color-gray-400); }
.frame-decoration { position: absolute; inset: 0; pointer-events: none; color: var(--color-accent); opacity: 0.2; }

/* Statistics Section */
.stats-section { background: var(--color-primary); padding: var(--space-3xl) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); text-align: center; }
.stat-item { padding: var(--space-xl); border-left: 1px solid rgba(255, 255, 255, 0.1); }
.stat-item:first-child { border-left: none; }
.stat-number { font-family: var(--font-heading); font-size: clamp(2.5rem, 4vw, 3.5rem); font-weight: 500; color: var(--color-accent); line-height: 1; margin-bottom: var(--space-sm); }
.stat-label { color: var(--color-gray-400); font-size: 0.95rem; letter-spacing: 1px; text-transform: uppercase; }

/* Services Section */
.services-section { background: var(--color-cream); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
.service-card { background: var(--color-white); padding: var(--space-2xl); transition: all var(--transition-base); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; background: var(--color-cream); color: var(--color-accent); margin-bottom: var(--space-lg); transition: all var(--transition-base); }
.service-icon svg { width: 32px; height: 32px; }
.service-card:hover .service-icon { background: var(--color-accent); color: var(--color-primary); }
.service-card h3 { font-size: 1.25rem; margin-bottom: var(--space-md); }
.service-card p { color: var(--color-gray-500); font-size: 0.95rem; margin-bottom: var(--space-lg); }
.service-link { display: inline-flex; align-items: center; gap: var(--space-sm); color: var(--color-accent); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.5px; text-transform: uppercase; }
.service-link svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.service-link:hover svg { transform: translateX(4px); }

/* Projects Section */
.projects-section { background: var(--color-white); }
.projects-section .section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-xl); }
.view-all-link { display: inline-flex; align-items: center; gap: var(--space-sm); color: var(--color-accent); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.5px; text-transform: uppercase; padding-bottom: var(--space-md); }
.view-all-link svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.view-all-link:hover svg { transform: translateX(4px); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
.project-card { position: relative; overflow: hidden; background: var(--color-cream); }
.project-card.featured { grid-column: span 2; }
.project-image { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.project-card.featured .project-image { aspect-ratio: 21/9; }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.project-card:hover .project-image img { transform: scale(1.05); }
.placeholder-image { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--color-gray-200); color: var(--color-gray-400); }
.placeholder-image svg { width: 48px; height: 48px; }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(26, 26, 26, 0.7) 0%, transparent 50%); display: flex; align-items: flex-end; padding: var(--space-lg); }
.project-category { display: inline-block; padding: var(--space-xs) var(--space-md); background: var(--color-accent); color: var(--color-primary); font-size: 0.75rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.project-info { padding: var(--space-xl); }
.project-title { font-size: 1.5rem; margin-bottom: var(--space-sm); }
.project-description { color: var(--color-gray-500); font-size: 0.95rem; margin-bottom: var(--space-md); }
.project-meta { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.meta-item { display: inline-flex; align-items: center; gap: var(--space-xs); color: var(--color-gray-500); font-size: 0.85rem; }
.meta-item svg { width: 14px; height: 14px; color: var(--color-accent); }
.no-projects { grid-column: 1 / -1; text-align: center; padding: var(--space-4xl); color: var(--color-gray-500); }

/* Process Section */
.process-section { background: var(--color-cream); }
.process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); position: relative; }
.process-timeline::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px; background: var(--color-gray-300); }
.process-step { text-align: center; position: relative; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 80px; height: 80px; background: var(--color-white); border: 3px solid var(--color-accent); font-family: var(--font-heading); font-size: 1.5rem; font-weight: 600; color: var(--color-accent); margin-bottom: var(--space-xl); position: relative; z-index: 1; transition: all var(--transition-base); }
.process-step:hover .step-number { background: var(--color-accent); color: var(--color-primary); }
.step-content h3 { font-size: 1.25rem; margin-bottom: var(--space-sm); }
.step-content p { color: var(--color-gray-500); font-size: 0.95rem; }

/* Contact Section */
.contact-section { background: var(--color-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4xl); }
.contact-intro { color: var(--color-gray-500); font-size: 1.1rem; margin-bottom: var(--space-2xl); }
.contact-details { display: flex; flex-direction: column; gap: var(--space-xl); }
.contact-item { display: flex; align-items: flex-start; gap: var(--space-lg); }
.contact-icon { flex-shrink: 0; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--color-cream); color: var(--color-accent); }
.contact-icon svg { width: 24px; height: 24px; }
.contact-text h4 { font-family: var(--font-body); font-weight: 600; margin-bottom: var(--space-xs); }
.contact-text p, .contact-text a { color: var(--color-gray-500); font-size: 0.95rem; }
.contact-text a:hover { color: var(--color-accent); }
.contact-form-wrapper { background: var(--color-cream); padding: var(--space-2xl); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.form-group { display: flex; flex-direction: column; gap: var(--space-sm); }
.form-group label { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }
.form-group input, .form-group textarea { padding: var(--space-md); border: 2px solid var(--color-gray-200); background: var(--color-white); font-family: var(--font-body); font-size: 1rem; transition: border-color var(--transition-fast); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-error { padding: var(--space-md); background: rgba(155, 44, 44, 0.1); border-left: 4px solid var(--color-error); color: var(--color-error); font-size: 0.95rem; }
.form-success { text-align: center; padding: var(--space-3xl); }
.success-icon { width: 64px; height: 64px; margin: 0 auto var(--space-lg); display: flex; align-items: center; justify-content: center; background: var(--color-success); color: var(--color-white); border-radius: 50%; }
.success-icon svg { width: 32px; height: 32px; }
.form-success h3 { margin-bottom: var(--space-sm); }
.form-success p { color: var(--color-gray-500); }

/* Footer */
.site-footer { background: var(--color-primary); color: var(--color-gray-400); }
.footer-top { padding: var(--space-4xl) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: var(--space-3xl); }
.footer-logo { display: flex; align-items: center; gap: var(--space-sm); color: var(--color-white); font-family: var(--font-heading); font-weight: 600; margin-bottom: var(--space-lg); }
.footer-logo .logo-text { width: 40px; height: 40px; font-size: 1rem; }
.footer-tagline { color: var(--color-accent); font-style: italic; margin-bottom: var(--space-md); }
.footer-description { font-size: 0.95rem; line-height: 1.8; }
.footer-links h4, .footer-contact h4 { color: var(--color-white); font-family: var(--font-body); font-weight: 600; font-size: 1rem; letter-spacing: 1px; text-transform: uppercase; margin-bottom: var(--space-lg); }
.footer-links ul { display: flex; flex-direction: column; gap: var(--space-md); }
.footer-links a { font-size: 0.95rem; transition: all var(--transition-fast); }
.footer-links a:hover { color: var(--color-accent); padding-left: var(--space-sm); }
.footer-contact ul { display: flex; flex-direction: column; gap: var(--space-md); }
.footer-contact li { display: flex; align-items: flex-start; gap: var(--space-md); font-size: 0.95rem; }
.footer-contact .icon { flex-shrink: 0; width: 20px; height: 20px; color: var(--color-accent); }
.footer-contact a:hover { color: var(--color-accent); }
.social-links { display: flex; gap: var(--space-md); margin-top: var(--space-xl); }
.social-links a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.1); color: var(--color-white); transition: all var(--transition-base); }
.social-links a:hover { background: var(--color-accent); color: var(--color-primary); }
.social-links svg { width: 18px; height: 18px; }
.footer-bottom { padding: var(--space-lg) 0; text-align: center; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; }
.footer-bottom p { font-size: 0.9rem; margin: 0; }
.designed-by { color: var(--color-gray-500); }

/* Page Header */
.page-header { position: relative; padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl); background: var(--color-primary); overflow: hidden; }
.page-header-bg { position: absolute; inset: 0; }
.page-header-content { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-lg); font-size: 0.9rem; }
.breadcrumb a { color: var(--color-gray-400); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .separator { color: var(--color-gray-600); }
.breadcrumb .current { color: var(--color-accent); }
.page-title { color: var(--color-white); font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: var(--space-md); }
.page-subtitle { color: var(--color-gray-400); font-size: 1.1rem; }

/* Portfolio Page */
.portfolio-section { background: var(--color-cream); }
.portfolio-filters { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: var(--space-md); margin-bottom: var(--space-3xl); }
.filter-btn { display: inline-flex; align-items: center; gap: var(--space-sm); padding: var(--space-md) var(--space-xl); background: var(--color-white); border: 2px solid var(--color-gray-200); font-size: 0.9rem; font-weight: 600; color: var(--color-gray-600); transition: all var(--transition-base); }
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn.active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary); }
.filter-btn .count { font-size: 0.75rem; padding: 2px 8px; background: var(--color-gray-200); border-radius: 10px; }
.filter-btn.active .count { background: rgba(0, 0, 0, 0.2); color: var(--color-primary); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.portfolio-item { opacity: 1; transform: translateY(0); transition: all var(--transition-base); }
.portfolio-item.hidden { opacity: 0; transform: translateY(20px); pointer-events: none; position: absolute; }
.portfolio-card { background: var(--color-white); overflow: hidden; transition: all var(--transition-base); }
.portfolio-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-8px); }
.card-image { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.portfolio-card:hover .card-image img { transform: scale(1.08); }
.card-overlay { position: absolute; inset: 0; background: rgba(26, 26, 26, 0); display: flex; align-items: center; justify-content: center; transition: background var(--transition-base); }
.portfolio-card:hover .card-overlay { background: rgba(26, 26, 26, 0.5); }
.view-btn { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: var(--color-accent); color: var(--color-primary); opacity: 0; transform: scale(0.8); transition: all var(--transition-base); }
.view-btn svg { width: 24px; height: 24px; }
.portfolio-card:hover .view-btn { opacity: 1; transform: scale(1); }
.view-btn:hover { background: var(--color-white); }
.card-category { position: absolute; top: var(--space-md); left: var(--space-md); padding: var(--space-xs) var(--space-md); background: var(--color-accent); color: var(--color-primary); font-size: 0.7rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.card-content { padding: var(--space-xl); }
.card-title { font-size: 1.25rem; margin-bottom: var(--space-sm); }
.card-description { color: var(--color-gray-500); font-size: 0.9rem; margin-bottom: var(--space-md); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.empty-state { text-align: center; padding: var(--space-4xl); }
.empty-state svg { width: 80px; height: 80px; color: var(--color-gray-300); margin-bottom: var(--space-xl); }
.empty-state h3 { margin-bottom: var(--space-sm); }
.empty-state p { color: var(--color-gray-500); margin-bottom: var(--space-xl); }

/* Project Modal */
.project-modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all var(--transition-base); }
.project-modal.open { opacity: 1; visibility: visible; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.9); }
.modal-container { position: relative; width: 90%; max-width: 1200px; max-height: 90vh; background: var(--color-white); overflow: hidden; display: flex; flex-direction: column; transform: scale(0.95); transition: transform var(--transition-base); }
.project-modal.open .modal-container { transform: scale(1); }
.modal-close { position: absolute; top: var(--space-lg); right: var(--space-lg); z-index: 10; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--color-white); color: var(--color-primary); box-shadow: var(--shadow-lg); transition: all var(--transition-fast); }
.modal-close:hover { background: var(--color-accent); }
.modal-close svg { width: 24px; height: 24px; }
.modal-content { display: grid; grid-template-columns: 1.5fr 1fr; max-height: 90vh; overflow: auto; }
.modal-gallery { background: var(--color-gray-100); }
.gallery-main { position: relative; aspect-ratio: 16/10; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.9); color: var(--color-primary); transition: all var(--transition-fast); }
.gallery-nav:hover { background: var(--color-accent); }
.gallery-nav.prev { left: var(--space-md); }
.gallery-nav.next { right: var(--space-md); }
.gallery-nav svg { width: 24px; height: 24px; }
.gallery-thumbs { display: flex; gap: var(--space-sm); padding: var(--space-md); overflow-x: auto; }
.gallery-thumbs img { width: 80px; height: 60px; object-fit: cover; cursor: pointer; opacity: 0.6; transition: opacity var(--transition-fast); }
.gallery-thumbs img:hover, .gallery-thumbs img.active { opacity: 1; }
.modal-info { padding: var(--space-2xl); overflow-y: auto; }
.modal-category { display: inline-block; padding: var(--space-xs) var(--space-md); background: var(--color-cream); color: var(--color-accent); font-size: 0.75rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: var(--space-lg); }
.modal-title { font-size: 1.75rem; margin-bottom: var(--space-lg); }
.modal-description { color: var(--color-gray-600); font-size: 1rem; line-height: 1.8; margin-bottom: var(--space-2xl); }
.modal-details { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.detail-item { display: flex; flex-direction: column; gap: var(--space-xs); }
.detail-label { font-size: 0.75rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--color-gray-400); }
.detail-value { color: var(--color-primary); font-weight: 500; }

/* Responsive Design */
@media (max-width: 1200px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .process-timeline { grid-template-columns: repeat(2, 1fr); }
    .process-timeline::before { display: none; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; gap: var(--space-3xl); }
    .about-visual { order: -1; }
    .visual-frame { max-width: 300px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item { border-left: none; border-top: 1px solid rgba(255, 255, 255, 0.1); }
    .stat-item:nth-child(-n+2) { border-top: none; }
    .contact-grid { grid-template-columns: 1fr; gap: var(--space-3xl); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
    .modal-content { grid-template-columns: 1fr; }
    .modal-gallery { max-height: 50vh; }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-menu { position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-xl); background: var(--color-primary); opacity: 0; visibility: hidden; transition: all var(--transition-base); }
    .nav-menu.open { opacity: 1; visibility: visible; }
    .nav-link { font-size: 1.25rem; }
    .hero-actions { flex-direction: column; }
    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-card.featured { grid-column: span 1; }
    .process-timeline { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
    .footer-bottom .container { flex-direction: column; gap: var(--space-sm); }
    .projects-section .section-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    :root { --space-xl: 1.5rem; --space-2xl: 2rem; --space-3xl: 3rem; --space-4xl: 4rem; }
    .logo-full { display: none; }
    .hero-badge { font-size: 0.75rem; }
    .stat-number { font-size: 2rem; }
    .modal-container { width: 100%; height: 100%; max-height: 100%; }
    .portfolio-filters { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: var(--space-md); }
    .filter-btn { flex-shrink: 0; padding: var(--space-sm) var(--space-md); font-size: 0.8rem; }
}