/* ============================================
   INFINITY LOFT — Premium Design System
   ============================================ */

:root {
    /* Premium Space & Neon Colors */
    --gold: #00F3FF;
    --gold-light: #BC13FE;
    --gold-dark: #00A6B2;
    --bg-primary: #050B14;
    --bg-secondary: #0A1128;
    --bg-card: #0F1A3A;
    --bg-card-hover: #15254A;
    --text-primary: #ffffff;
    --text-secondary: #ccd6f6;
    --text-muted: #8892b0;
    --border: rgba(255,255,255,0.08);
    --border-gold: rgba(0,243,255,0.3);
    --glass: rgba(10,17,40,0.4);
    --glass-strong: rgba(10,17,40,0.8);
    --shadow-sm: 0 2px 8px rgba(0,243,255,0.15);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.6);
    --shadow-lg: 0 16px 64px rgba(0,0,0,0.8);
    --shadow-gold: 0 0 20px rgba(0,243,255,0.4), 0 0 40px rgba(188,19,254,0.2);
    --gradient-gold: linear-gradient(135deg, #00F3FF, #BC13FE);
    --gradient-dark: linear-gradient(135deg, #0A1128, #050B14);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 0.25s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-accent: 'Outfit', sans-serif;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--gold) var(--bg-secondary);
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 4px; }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
ul { list-style: none; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
    position: relative;
}

/* ============ PRELOADER ============ */
#preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner { text-align: center; }

.infinity-loader { width: 120px; margin: 0 auto 24px; }

.infinity-svg { width: 100%; }

.infinity-path {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    animation: drawInfinity 2s ease-in-out infinite;
}

@keyframes drawInfinity {
    0% { stroke-dashoffset: 500; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -500; }
}

.preloader-text {
    font-family: var(--font-accent);
    font-size: 1.2rem;
    letter-spacing: 8px;
    color: var(--gold);
    animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10,10,11,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gold);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-main {
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 3px;
    color: var(--text-primary);
}

.logo-sub {
    font-family: var(--font-accent);
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 6px;
    color: var(--gold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-gold);
    color: var(--bg-primary);
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 10px 24px;
    border-radius: 50px;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============ HERO ============ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease;
    transform: scale(1.05);
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1);
    animation: heroZoom 8s ease-out forwards;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10,10,11,0.7) 0%,
        rgba(10,10,11,0.4) 40%,
        rgba(10,10,11,0.6) 70%,
        rgba(10,10,11,0.95) 100%
    );
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 0.6; }
    90% { opacity: 0.3; }
    100% { opacity: 0; transform: translateY(-20px) scale(1); }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 24px;
}

.hero-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-badge span:not(.badge-line) {
    font-family: var(--font-accent);
    font-size: 0.85rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
}

.badge-line {
    width: 40px;
    height: 1px;
    background: var(--gold);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 1.05;
    font-weight: 700;
    margin-bottom: 28px;
}

.title-line {
    display: block;
}

.title-line.accent {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-3px);
}

.btn-telegram {
    background: linear-gradient(135deg, #2AABEE, #229ED9);
    color: white;
}

.btn-telegram:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(42,171,238,0.3);
}

.btn-large { padding: 18px 40px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.scroll-mouse {
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--gold);
    border-radius: 2px;
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(16px); opacity: 0; }
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Hero slider dots */
.hero-slider-controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 4;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active {
    background: var(--gold);
    box-shadow: 0 0 12px rgba(201,169,110,0.4);
    transform: scale(1.2);
}

/* ============ SECTION LABELS & TITLES ============ */
.section-label {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.section-label.center { justify-content: center; }

.section-label span:not(.label-line) {
    font-family: var(--font-accent);
    font-size: 0.8rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 500;
}

.label-line {
    width: 32px;
    height: 1px;
    background: var(--gold);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-title.center { text-align: center; }
.section-title .accent {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

.section-header { margin-bottom: 64px; }

/* ============ ABOUT ============ */
.about { background: var(--bg-primary); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-stack {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-main img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.about-img-main:hover img {
    transform: scale(1.05);
}

.about-img-accent {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 220px;
    height: 220px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 4px solid var(--bg-primary);
    box-shadow: var(--shadow-md);
}

.about-img-accent img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-gold);
    animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.exp-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--bg-primary);
    line-height: 1;
}

.exp-text {
    font-family: var(--font-accent);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--bg-primary);
    text-align: center;
    font-weight: 600;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--glass-strong);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--border-gold);
    background: rgba(201,169,110,0.05);
    transform: translateX(4px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: rgba(201,169,110,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}

.feature-item h4 {
    font-family: var(--font-accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============ SERVICES ============ */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

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

.service-image {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-card) 0%, transparent 60%);
}

.service-content {
    padding: 32px;
    position: relative;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(201,169,110,0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    margin-bottom: 20px;
    margin-top: -52px;
    position: relative;
    border: 1px solid var(--border-gold);
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-content > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-left: 18px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
}

/* ============ PORTFOLIO ============ */
.portfolio { background: var(--bg-primary); }

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 28px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.portfolio-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.portfolio-item.large {
    grid-column: span 2;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-4px);
}

.portfolio-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.portfolio-item.large .portfolio-image {
    height: 400px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,11,0.95) 0%, rgba(10,10,11,0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-category {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}

.portfolio-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.portfolio-overlay p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============ LIGHTBOX ============ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-content img {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 2;
}

.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
    background: var(--gold);
    color: var(--bg-primary);
}

.lightbox-info {
    text-align: center;
    padding: 16px;
}

.lightbox-info .lightbox-category {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
}

.lightbox-info .lightbox-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-top: 4px;
}

/* ============ PROCESS ============ */
.process { background: var(--bg-secondary); }

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.process-step:hover {
    border-color: var(--border-gold);
    transform: translateX(8px);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    min-width: 80px;
}

.step-icon {
    color: var(--gold);
    margin-bottom: 16px;
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.process-connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    margin-left: 80px;
}

/* ============ STATS ============ */
.stats {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.stats-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.stats-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,11,0.88);
    backdrop-filter: blur(4px);
}

.stats-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: relative;
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--border-gold);
    transform: translateY(-8px);
    background: rgba(201,169,110,0.08);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-family: var(--font-accent);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.stat-plus {
    position: absolute;
    top: 32px;
    right: 32px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--gold);
    opacity: 0.5;
}

/* ============ TESTIMONIALS ============ */
.testimonials { background: var(--bg-primary); }

.testimonials-slider {
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
    min-width: 100%;
    padding: 48px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    text-align: center;
}

.testimonial-stars {
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 24px;
    letter-spacing: 4px;
}

.testimonial-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar {
    width: 52px;
    height: 52px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--bg-primary);
}

.testimonial-author h5 {
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 1rem;
    text-align: left;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.test-prev, .test-next {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.test-prev:hover, .test-next:hover {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    border-color: transparent;
}

/* ============ CTA SECTION ============ */
.cta-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.cta-card {
    background: linear-gradient(135deg, rgba(201,169,110,0.15), rgba(201,169,110,0.05));
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-xl);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(201,169,110,0.08) 0%, transparent 60%);
    animation: ctaGlow 4s ease-in-out infinite alternate;
}

@keyframes ctaGlow {
    0% { transform: translate(-10%, -10%); }
    100% { transform: translate(10%, 10%); }
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ============ CONTACT ============ */
.contact { background: var(--bg-primary); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 16px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--border-gold);
}

.contact-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: rgba(201,169,110,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}

.contact-card h4 {
    font-family: var(--font-accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.contact-card a, .contact-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 2px;
}

.contact-card a:hover { color: var(--gold); }

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    border-color: transparent;
    transform: translateY(-4px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201,169,110,0.15);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236e6e73' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* ============ FOOTER ============ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 64px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--gold);
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.footer-contact p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.back-to-top {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    transition: var(--transition);
}

.back-to-top:hover {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    transform: translateY(-4px);
}

/* ============ LANGUAGE SWITCHER ============ */
.lang-switcher {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 50px;
    padding: 3px;
    border: 1px solid var(--border);
}

.lang-btn {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border-radius: 50px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-btn:hover { color: var(--text-primary); }

.lang-btn.active {
    background: var(--gradient-gold);
    color: var(--bg-primary);
}

/* ============ CONTACT MAP ============ */
.contact-map {
    margin-top: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    height: 280px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(0.6) brightness(0.8) contrast(1.1);
    transition: filter 0.4s ease;
}

.contact-map:hover iframe {
    filter: grayscale(0) brightness(1) contrast(1);
}

/* ============ ANIMATIONS (scroll-reveal) ============ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="fade-left"] { transform: translateX(40px); }
[data-aos="fade-up"] { transform: translateY(40px); }
[data-aos="fade-down"] { transform: translateY(-40px); }
[data-aos="zoom-in"] { transform: scale(0.9); }

[data-aos].aos-animate {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* ============ CALCULATOR ============ */
.calculator {
    background: var(--bg-primary);
}

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

.calc-card {
    padding: 48px;
    border-radius: var(--radius-lg);
}

.calc-body {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.calc-select, .calc-inputs input {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-accent);
    transition: var(--transition);
}

.calc-select:focus, .calc-inputs input:focus {
    border-color: var(--gold);
    outline: none;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.material-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.m-option {
    flex: 1;
    min-width: 100px;
    position: relative;
    cursor: pointer;
}

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

.m-option span {
    display: block;
    text-align: center;
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    transition: var(--transition);
}

.m-option input:checked + span {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    border-color: var(--gold);
    font-weight: 600;
}

.calc-result-box {
    background: rgba(255,255,255,0.03);
    border: 1px dashed var(--gold);
    padding: 32px;
    border-radius: var(--radius-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.total-label {
    font-family: var(--font-accent);
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.total-price {
    font-family: var(--font-accent);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold);
    text-shadow: 0 0 20px rgba(201, 169, 110, 0.3);
}

.price-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

@media (max-width: 900px) {
    .calc-body { grid-template-columns: 1fr; gap: 32px; }
    .calc-card { padding: 32px 24px; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .services-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-item.large { grid-column: span 2; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .section { padding: 80px 0; }
    
    .nav-menu {
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100vh;
        background: rgba(10,10,11,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 16px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 12px 24px;
    }
    
    .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    
    .lang-switcher {
        position: fixed;
        top: 20px;
        right: 72px;
        z-index: 1001;
    }

    .logo-main {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }
    
    .logo-sub {
        font-size: 0.6rem;
        letter-spacing: 4px;
    }
    
    .logo-img {
        width: 36px;
        height: 36px;
    }
    
    .hero-title { font-size: clamp(2.5rem, 10vw, 4rem); }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-subtitle br { display: none; }
    
    .about-img-accent { width: 160px; height: 160px; bottom: -20px; right: -10px; }
    .about-experience-badge { width: 90px; height: 90px; top: -10px; right: -10px; }
    .exp-number { font-size: 1.8rem; }
    
    .portfolio-grid { grid-template-columns: 1fr 1fr; }
    .portfolio-item.large { grid-column: span 1; }
    .portfolio-image { height: 220px; }
    .portfolio-item.large .portfolio-image { height: 220px; }
    
    .process-step { flex-direction: column; gap: 16px; padding: 28px; }
    .step-number { font-size: 2.5rem; min-width: auto; }
    .process-connector { margin-left: 48px; }
    
    .stats-grid { gap: 16px; }
    .stat-number { font-size: 2.5rem; }
    
    .testimonial-card { padding: 28px; }
    .testimonial-text { font-size: 1rem; }
    
    .cta-card { padding: 40px 24px; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
    .portfolio-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-item { padding: 28px 16px; }
    .service-features { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .cta-actions { flex-direction: column; }
    .btn-large { width: 100%; justify-content: center; }
}

/* ============ PROMO MODAL ============ */
.promo-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    transition: opacity 0.4s ease;
}

.promo-modal.active { display: flex; opacity: 1; animation: fadeIn 0.4s ease; }

.promo-content {
    max-width: 440px;
    width: 100%;
    position: relative;
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--gold);
    overflow: hidden;
    animation: zoomIn 0.5s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.promo-close {
    position: absolute;
    top: 20px; right: 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.promo-close:hover { color: var(--gold); transform: rotate(90deg); }

.promo-badge {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--bg-primary);
    font-weight: 700;
    font-size: 0.75rem;
    padding: 6px 14px;
    border-radius: 50px;
    letter-spacing: 2px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(201, 169, 110, 0.4);
}

.promo-header h3 {
    font-family: var(--font-accent);
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.promo-main-text {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.promo-main-text b { color: var(--gold); font-weight: 700; }

.promo-sub-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.promo-form .form-group { margin-bottom: 20px; }

.promo-form input {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.1rem;
    text-align: center;
    font-weight: 600;
}

.promo-form input:focus { border-color: var(--gold); outline: none; }

@media (max-width: 480px) {
    .promo-content { padding: 40px 24px; }
    .promo-header h3 { font-size: 1.5rem; }
    .promo-main-text { font-size: 1.1rem; }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    margin: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-card {
    padding: 24px;
    border-radius: var(--radius-md);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 8px;
    font-family: var(--font-accent);
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: rgba(255,255,255,0.02);
}

.faq-grid {
    max-width: 900px;
    margin: 60px auto 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    padding: 24px 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: rgba(255,255,255,0.05);
}

.faq-question h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
}

.faq-answer {
    margin-top: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .stat-number { font-size: 2.5rem; }
    .faq-grid { padding: 0 20px; }
}

/* Testimonials Grid */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    padding: 30px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
}

.testimonial-stars {
    color: var(--gold);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.testimonial-author h5 {
    color: var(--gold);
    font-family: var(--font-accent);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@media (max-width: 480px) {
    .testimonials-grid { grid-template-columns: 1fr; }
}