/* ============================================
   WANENIUM — Professional Production Website
   Color Palette: Dark charcoal, grays, white accents
   ============================================ */

:root {
    --primary: #2a2a2a;
    --primary-light: #3d3d3d;
    --primary-dark: #1a1a1a;
    --accent: #c8a97e;
    --accent-light: #d4bc98;
    --accent-dark: #b08d5e;
    --white: #ffffff;
    --off-white: #f8f7f5;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e8e8e8;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gray-900);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.preloader-logo {
    width: 200px;
    margin-bottom: 30px;
    display: block;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

@keyframes preloaderPulse {
    0%, 100% { opacity: 0.5; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1); }
}

.preloader-bar {
    width: 200px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    overflow: hidden;
}

.preloader-progress {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 2px;
    animation: preloaderBar 2s ease-in-out forwards;
}

@keyframes preloaderBar {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* ============================================
   LANGUAGE SWITCHER
   ============================================ */
.lang-switcher {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.1);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--gray-400);
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    padding: 4px 8px;
    border-radius: 4px;
}

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

.lang-btn.active {
    color: var(--white);
    background: var(--accent);
}

.lang-divider {
    color: var(--gray-600);
    font-size: 0.75rem;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

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

.nav-logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(5px) translateX(4px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-5px) translateX(4px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 169, 126, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10,10,10,0.85) 0%,
        rgba(26,26,26,0.75) 40%,
        rgba(42,42,42,0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(200, 169, 126, 0.15);
    border: 1px solid rgba(200, 169, 126, 0.3);
    border-radius: 50px;
    margin-bottom: 32px;
}

.hero-badge span {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-accent {
    color: var(--accent);
}

.hero-subtitle {
    color: rgba(255,255,255,0.7);
    font-size: clamp(1rem, 2vw, 1.15rem);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.8;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--accent);
    font-weight: 700;
}

.stat-label {
    display: block;
    color: rgba(255,255,255,0.5);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.15);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 25px;
    position: relative;
}

.hero-scroll span {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--white);
    border-radius: 50%;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 10px; opacity: 1; }
    100% { top: 32px; opacity: 0; }
}

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    position: relative;
    padding: 0 0 12px;
}

.section-tag::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.about-content .section-tag::after {
    left: 0;
    transform: none;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--gray-500);
    font-size: 1.05rem;
    line-height: 1.8;
}

.section-grid {
    display: grid;
    gap: 80px;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    background: var(--off-white);
}

.about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-accent-box {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent);
    color: var(--white);
    padding: 24px 32px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.accent-year {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.accent-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.8;
}

.about-content .section-tag {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--gray-500);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.about-feature > i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: 4px;
    flex-shrink: 0;
    width: 40px;
}

.about-feature h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 1.4rem;
    color: var(--white);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-list li {
    font-size: 0.85rem;
    color: var(--gray-600);
    padding-left: 20px;
    position: relative;
}

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

/* ============================================
   PROCESS
   ============================================ */
.process {
    background: var(--gray-900);
    color: var(--white);
}

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

.process .section-desc {
    color: var(--gray-400);
}

.process .section-tag::after {
    background: var(--accent);
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-700);
}

.process-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

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

.process-number {
    flex-shrink: 0;
    width: 74px;
    height: 74px;
    background: var(--gray-800);
    border: 2px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    position: relative;
    z-index: 1;
}

.process-content {
    padding-top: 16px;
}

.process-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.process-content p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   EQUIPMENT
   ============================================ */
.equipment {
    background: var(--off-white);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.equipment-category {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    transition: var(--transition);
}

.equipment-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.equipment-cat-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--gray-900), var(--gray-700));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.equipment-cat-icon i {
    font-size: 1.1rem;
    color: var(--accent);
}

.equipment-category h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    font-family: var(--font-display);
}

.equipment-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.equipment-list li {
    font-size: 0.82rem;
    color: var(--gray-600);
    padding-left: 16px;
    position: relative;
    line-height: 1.5;
}

.equipment-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 5px;
    height: 5px;
    border: 1px solid var(--accent);
    border-radius: 50%;
}

/* ============================================
   INDUSTRIES
   ============================================ */
.industries {
    background: var(--white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.industry-item {
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.industry-item:hover {
    background: var(--gray-900);
    border-color: var(--gray-900);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.industry-item:hover i {
    color: var(--accent);
}

.industry-item:hover span {
    color: var(--white);
}

.industry-item i {
    font-size: 2rem;
    color: var(--gray-600);
    margin-bottom: 16px;
    display: block;
    transition: var(--transition);
}

.industry-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    padding: 140px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10,10,10,0.85);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-content p {
    color: var(--gray-400);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 40px;
}

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

/* ============================================
   DIFFERENCE
   ============================================ */
.difference {
    background: var(--white);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.diff-card {
    text-align: center;
    padding: 40px 24px;
}

.diff-icon {
    width: 72px;
    height: 72px;
    background: var(--off-white);
    border: 2px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.diff-card:hover .diff-icon {
    background: var(--gray-900);
    border-color: var(--gray-900);
}

.diff-card:hover .diff-icon i {
    color: var(--accent);
}

.diff-icon i {
    font-size: 1.5rem;
    color: var(--gray-700);
    transition: var(--transition);
}

.diff-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.diff-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    background: var(--off-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 64px;
    align-items: start;
}

.contact-card {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 28px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(200, 169, 126, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--accent);
    font-size: 1rem;
}

.contact-item h4 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item a,
.contact-item p {
    color: var(--gray-400);
    font-size: 0.95rem;
    display: block;
    line-height: 1.6;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-social {
    display: flex;
    gap: 12px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    background: var(--gray-900);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 1rem;
    transition: var(--transition);
}

.contact-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-row .form-group {
    margin-bottom: 0;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--gray-900);
    background: var(--gray-50);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(200, 169, 126, 0.1);
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 18px;
    color: var(--gray-400);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
    background: transparent;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -10px;
    left: 14px;
    font-size: 0.75rem;
    color: var(--accent);
    background: var(--white);
    padding: 0 6px;
    font-weight: 600;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-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='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%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;
    background-size: 14px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--gray-900);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--gray-800);
}

.footer-logo {
    height: 36px;
    width: auto;
    mix-blend-mode: lighten;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-contact i {
    color: var(--accent);
    width: 18px;
    margin-right: 8px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
}

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

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.footer-zogor {
    color: var(--gray-600) !important;
    font-style: italic;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--gray-900);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-4px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--gray-900);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: var(--transition);
        box-shadow: var(--shadow-xl);
    }
    .nav-menu.open {
        right: 0;
    }
    .nav-link {
        font-size: 1.1rem;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-cta {
        display: none;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        gap: 24px;
    }
    .stat-divider {
        display: none;
    }
    .lang-switcher {
        top: 16px;
        right: 70px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .diff-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    .process-timeline::before {
        left: 28px;
    }
    .process-number {
        width: 58px;
        height: 58px;
        font-size: 1.1rem;
    }
    .process-step {
        gap: 20px;
    }
    .cta-section {
        padding: 100px 0;
    }
}

@media (max-width: 480px) {
    .hero-line {
        font-size: 2rem;
    }
    .section-title {
        font-size: 1.75rem;
    }
    .industries-grid {
        grid-template-columns: 1fr;
    }
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    .container {
        padding: 0 16px;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
}

::selection {
    background: var(--accent);
    color: var(--white);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}