/* ============================================
   PREMIUM WINDOWS & DOORS - MAIN STYLESHEET
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #c9a84c;
    --accent-light: #d4b85c;
    --accent-dark: #b8943f;
    --white: #ffffff;
    --off-white: #f8f8f8;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

/* --- 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;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
    line-height: 1.7;
    width: 100%;
    position: relative;
}

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

ul {
    list-style: none;
}

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

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

/* --- Preloader --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f8f6f3;
    z-index: 10000;
    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 {
    text-align: center;
}

.preloader-line {
    width: 60px;
    height: 2px;
    background: var(--accent);
    margin: 0 auto 20px;
    animation: preloaderLine 1.5s ease-in-out infinite;
    transform-origin: left;
}

@keyframes preloaderLine {
    0% { transform: scaleX(0); opacity: 0; }
    50% { transform: scaleX(1); opacity: 1; }
    100% { transform: scaleX(0); opacity: 0; transform-origin: right; }
}

.preloader-text {
    color: var(--primary);
    font-size: 0.75rem;
    letter-spacing: 6px;
    font-weight: 300;
}

/* --- Custom Cursor --- */
.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-outline {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
}

.cursor-outline.hover {
    width: 60px;
    height: 60px;
    border-color: var(--accent-light);
}

@media (max-width: 1024px) {
    .cursor-dot, .cursor-outline { display: none; }
}

/* --- Navigation --- */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.5s ease;
}

#navbar.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    transition: color 0.4s ease;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    color: rgba(26, 26, 46, 0.6);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    position: relative;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    background: var(--accent);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
}

/* Hamburger Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.menu-line {
    width: 28px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform-origin: center;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
}

.mobile-menu.active {
    pointer-events: all;
}

.mobile-menu-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    transform: translateY(-100%);
    transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu.active .mobile-menu-bg {
    transform: translateY(0);
}

.mobile-menu-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 80px 24px;
    opacity: 0;
    transition: opacity 0.4s ease 0.3s;
}

.mobile-menu.active .mobile-menu-content {
    opacity: 1;
}

.mobile-nav-links {
    text-align: center;
}

.mobile-nav-links li {
    margin-bottom: 16px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.5s ease;
}

.mobile-menu.active .mobile-nav-links li {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.active .mobile-nav-links li:nth-child(1) { transition-delay: 0.35s; }
.mobile-menu.active .mobile-nav-links li:nth-child(2) { transition-delay: 0.4s; }
.mobile-menu.active .mobile-nav-links li:nth-child(3) { transition-delay: 0.45s; }
.mobile-menu.active .mobile-nav-links li:nth-child(4) { transition-delay: 0.5s; }
.mobile-menu.active .mobile-nav-links li:nth-child(5) { transition-delay: 0.55s; }
.mobile-menu.active .mobile-nav-links li:nth-child(6) { transition-delay: 0.6s; }
.mobile-menu.active .mobile-nav-links li:nth-child(7) { transition-delay: 0.65s; }

.mobile-link {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
    position: relative;
    display: inline-block;
}

.mobile-link::before {
    content: attr(data-index);
    position: absolute;
    top: -8px;
    right: -30px;
    font-size: 0.65rem;
    color: var(--accent);
    font-weight: 400;
}

.mobile-link:hover {
    color: var(--accent);
}

.mobile-menu-footer {
    position: absolute;
    bottom: 40px;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

.mobile-menu-footer p {
    margin-bottom: 4px;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #f8f6f3;
    overflow: hidden;
}

/* Animated Background Elements */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: blobFloat 20s ease-in-out infinite;
}

.hero-blob-1 {
    width: 500px;
    height: 500px;
    background: rgba(201, 168, 76, 0.15);
    top: -10%;
    right: 10%;
    animation-delay: 0s;
}

.hero-blob-2 {
    width: 400px;
    height: 400px;
    background: rgba(26, 26, 46, 0.06);
    bottom: -5%;
    left: -5%;
    animation-delay: -7s;
}

.hero-blob-3 {
    width: 300px;
    height: 300px;
    background: rgba(201, 168, 76, 0.1);
    top: 50%;
    left: 40%;
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(26, 26, 46, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* Hero Split Layout */
.hero-split {
    position: relative;
    z-index: 2;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 100vh;
}

.hero-content {
    padding-top: 80px;
    padding-bottom: 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 168, 76, 0.08);
    border: 1px solid rgba(201, 168, 76, 0.25);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 32px;
}

.hero-badge span {
    color: var(--accent-dark);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-title {
    margin-bottom: 28px;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 4.5vw, 4.2rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: -1px;
}

.title-accent {
    color: var(--accent);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 600;
}

.hero-subtitle {
    color: var(--gray-500);
    font-size: 1.1rem;
    max-width: 520px;
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

/* Hero Trust Bar */
.hero-trust {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-trust-avatars {
    display: flex;
    align-items: center;
}

.trust-check {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.7rem;
}

.hero-trust span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.hero-trust span strong {
    color: var(--primary);
    font-weight: 700;
}

/* Hero Image Showcase */
.hero-images {
    position: relative;
    padding-top: 80px;
    padding-bottom: 40px;
}

.hero-image-main {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(26, 26, 46, 0.15);
    animation: heroImageIn 1s ease 0.3s both;
}

.hero-image-main img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.hero-image-accent {
    position: absolute;
    top: -8px;
    right: -8px;
    bottom: -8px;
    left: -8px;
    border: 2px solid rgba(201, 168, 76, 0.2);
    border-radius: calc(var(--radius-xl) + 4px);
    z-index: -1;
    pointer-events: none;
}

.hero-image-float {
    position: absolute;
    bottom: 20px;
    left: -40px;
    width: 200px;
    height: 150px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(26, 26, 46, 0.2);
    border: 4px solid var(--white);
    animation: heroFloatIn 1s ease 0.6s both;
    z-index: 5;
}

.hero-image-float img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-image-badge {
    position: absolute;
    top: 30px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 10px 30px rgba(26, 26, 46, 0.25);
    animation: heroFloatIn 1s ease 0.8s both;
    z-index: 5;
}

.badge-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    margin-top: 4px;
    opacity: 0.7;
    line-height: 1.3;
}

@keyframes heroImageIn {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
}

.btn-primary i {
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid rgba(26, 26, 46, 0.2);
}

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

.btn-sm {
    padding: 12px 28px;
    font-size: 0.82rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-scroll-indicator span {
    color: var(--gray-400);
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* --- Section Common Styles --- */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    position: relative;
    padding-left: 40px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 24px;
    height: 1px;
    background: var(--accent);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.text-accent {
    color: var(--accent);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 600;
}

.section-subtitle {
    color: var(--gray-500);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
    font-weight: 300;
}

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

/* --- About Section --- */
.about-section {
    padding: 140px 0 100px;
    background: var(--white);
}

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

.about-text {
    color: var(--gray-600);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.8;
    font-weight: 300;
}

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

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.about-feature:hover {
    border-color: var(--accent);
    background: rgba(201, 168, 76, 0.05);
}

.feature-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--white);
    border-radius: 8px;
    font-size: 0.85rem;
}

.about-feature span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-700);
}

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

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    background: var(--gray-100);
}

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

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

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 60%;
    height: 60%;
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 0;
    padding: 60px 48px;
    background: var(--primary);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.stats-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.05) 0%, transparent 50%);
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.82rem;
    margin-top: 8px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
}

/* --- Systems Section --- */
.systems-section {
    padding: 140px 0;
    background: var(--gray-50);
}

.system-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    background: var(--white);
    border: 1px solid var(--gray-200);
}

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

.system-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.03), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.system-card:hover .system-card-bg {
    opacity: 1;
}

.system-card-large {
    margin-bottom: 32px;
}

.system-card-large .system-card-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 60px;
    align-items: center;
}

.system-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(201, 168, 76, 0.1);
    color: var(--accent-dark);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.tag-aluminum {
    background: rgba(26, 26, 46, 0.08);
    color: var(--primary);
}

.system-name {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.system-desc {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 24px;
    font-weight: 300;
}

.system-features {
    margin-bottom: 32px;
}

.system-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.system-features li i {
    color: var(--accent);
    font-size: 0.75rem;
}

.system-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.system-img {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: var(--radius-lg);
    transition: transform 0.8s ease;
}

.system-card:hover .system-img {
    transform: scale(1.04);
}

.system-card-image {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

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

.system-card:hover .system-card-image img {
    transform: scale(1.05);
}

.systems-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.systems-grid .system-card-content {
    padding: 48px;
}

.systems-grid .system-name {
    font-size: 1.8rem;
}

.systems-grid .system-card {
    display: flex;
    flex-direction: column;
}

.systems-grid .btn-outline {
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.systems-grid .btn-outline:hover {
    color: var(--accent-dark);
    border-color: var(--accent);
    background: rgba(201, 168, 76, 0.05);
}

/* --- Why Choose Us Section --- */
.why-section {
    padding: 140px 0;
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    perspective: 1000px;
    transition-delay: var(--delay);
}

.why-card-inner {
    position: relative;
    padding: 48px 36px;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    overflow: hidden;
}

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

.why-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

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

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

.why-card-inner p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.7;
    font-weight: 300;
}

.why-card-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--gray-100);
    line-height: 1;
    transition: var(--transition);
}

.why-card-inner:hover .why-card-number {
    color: rgba(201, 168, 76, 0.1);
}

/* --- Projects Section --- */
.projects-section {
    padding: 140px 0;
    background: var(--gray-50);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 10px 28px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-item {
    transition: all 0.5s ease;
}

.project-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 32px 24px;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.95), transparent);
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-image:hover .project-overlay {
    transform: translateY(0);
}

.project-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.project-title {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.project-overlay p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.82rem;
}

/* --- Contact Section --- */
.contact-section {
    padding: 140px 0;
    background: var(--white);
}

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

.contact-text {
    color: var(--gray-500);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    font-weight: 300;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-detail:hover .contact-icon {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

.contact-detail strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 2px;
}

.contact-detail p {
    color: var(--gray-500);
    font-size: 0.88rem;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    border: none;
    border-bottom: 1px solid var(--gray-200);
    background: transparent;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    color: var(--gray-800);
    transition: var(--transition);
    outline: none;
    resize: none;
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 0;
    font-size: 0.9rem;
    color: var(--gray-400);
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -8px;
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.4s ease;
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

/* Form Success */
.form-success {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--radius-xl);
    text-align: center;
    padding: 48px;
    z-index: 10;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.form-success.hidden {
    opacity: 0;
    pointer-events: none;
}

.success-icon {
    font-size: 4rem;
    color: #22c55e;
    margin-bottom: 20px;
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* --- Footer --- */
.footer {
    background: var(--primary);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
    max-width: 300px;
    font-weight: 300;
}

.footer-links h4,
.footer-social h4 {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.88rem;
    transition: var(--transition);
}

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

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

.social-links a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.82rem;
}

/* --- Scroll Reveal Animations --- */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-up {
    transform: translateY(50px);
}

.reveal-left {
    transform: translateX(-50px);
}

.reveal-right {
    transform: translateX(50px);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .hero-split {
        grid-template-columns: 1fr;
        gap: 40px;
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 80px;
    }

    .hero-images {
        padding-top: 0;
        max-width: 540px;
        margin: 0 auto;
    }

    .hero-image-main img {
        height: 360px;
    }

    .hero-image-float {
        left: -20px;
        width: 160px;
        height: 120px;
    }

    .hero-image-badge {
        right: -10px;
    }

    .nav-links, .nav-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-right {
        order: -1;
    }

    .about-image {
        aspect-ratio: 16/9;
    }

    .stats-bar {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        padding: 40px 32px;
    }

    .stat-divider {
        display: none;
    }

    .system-card-large .system-card-content {
        grid-template-columns: 1fr;
        padding: 40px;
    }

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

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding-top: 40px;
        padding-bottom: 20px;
    }

    .hero-split {
        padding-top: 90px;
        padding-bottom: 60px;
        gap: 32px;
    }

    .title-line {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: column;
        margin-bottom: 24px;
    }

    .hero-buttons .btn {
        text-align: center;
        justify-content: center;
    }

    .hero-image-main img {
        height: 280px;
    }

    .hero-image-float {
        display: none;
    }

    .hero-image-badge {
        right: 10px;
        top: 10px;
        padding: 14px;
    }

    .badge-number {
        font-size: 1.4rem;
    }

    .hero-blob-1 {
        width: 300px;
        height: 300px;
    }

    .hero-blob-2 {
        width: 250px;
        height: 250px;
    }

    .hero-blob-3 {
        display: none;
    }

    .stats-bar {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .stat-number {
        font-size: 2.4rem;
    }

    .system-card-large .system-card-content {
        padding: 32px;
    }

    .systems-grid .system-card-content {
        padding: 32px;
    }

    .system-name {
        font-size: 1.6rem;
    }

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

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

    .contact-form-wrapper {
        padding: 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .mobile-link {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: clamp(1.6rem, 5vw, 2.4rem);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-badge span {
        font-size: 0.7rem;
    }

    .btn {
        padding: 14px 28px;
        font-size: 0.85rem;
    }

    .about-section,
    .systems-section,
    .why-section,
    .projects-section,
    .contact-section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }
}

/* --- Smooth Scroll Overrides --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}