/* ============================================
   SUPPLIER AIR MINERAL INDONESIA
   Premium Corporate Stylesheet 2026
   ============================================ */

/* === CSS Variables === */
:root {
    --primary: #0A2540;
    --primary-light: #1A3A5C;
    --secondary: #D4AF37;
    --secondary-light: #E8C84A;
    --accent: #4A90D9;
    --white: #FFFFFF;
    --light: #F8F9FA;
    --gray-100: #F0F2F5;
    --gray-200: #E2E6EA;
    --gray-300: #C4C8CC;
    --gray-500: #88919B;
    --gray-700: #4A535C;
    --dark: #1A1A2E;
    --gradient-primary: linear-gradient(135deg, #0A2540 0%, #1A3A5C 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #E8C84A 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10,37,64,0.92) 0%, rgba(26,58,92,0.85) 100%);
    --shadow-sm: 0 2px 8px rgba(10,37,64,0.06);
    --shadow-md: 0 8px 30px rgba(10,37,64,0.1);
    --shadow-lg: 0 20px 60px rgba(10,37,64,0.15);
    --shadow-xl: 0 30px 80px rgba(10,37,64,0.2);
    --glass-bg: rgba(255,255,255,0.08);
    --glass-border: rgba(255,255,255,0.15);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: all 0.6s 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;
    overflow-x: hidden;
}

body {
    font-family: var(--font-secondary);
    color: var(--primary);
    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;
}

.section-padding {
    padding: 100px 0;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
}

.section-label {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 16px;
    position: relative;
}

.section-label::after {
    content: '';
    display: inline-block;
    width: 40px;
    height: 2px;
    background: var(--gradient-gold);
    margin-left: 12px;
    vertical-align: middle;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--primary);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    line-height: 1.8;
}

.text-gold { color: var(--secondary); }
.text-white { color: var(--white); }

/* === Glassmorphism === */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s;
}

.btn:hover::before { left: 100%; }

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(212,175,55,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212,175,55,0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* === Header / Navbar === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10,37,64,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
    padding: 10px 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
}

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

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

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

.nav-link:hover {
    color: var(--secondary);
}

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

.nav-cta {
    background: var(--gradient-gold);
    color: var(--primary) !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(212,175,55,0.3); }

/* Mobile Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger span {
    width: 28px;
    height: 2.5px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(212,175,55,0.3);
    border-radius: 50%;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-100vh) rotate(360deg); opacity: 0.8; }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(212,175,55,0.12);
    border: 1px solid rgba(212,175,55,0.25);
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--secondary);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 700px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-item h3 {
    font-size: 2rem;
    color: var(--secondary);
    font-weight: 800;
}

.hero-stat-item p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    font-weight: 400;
}

/* === Scroll Indicator === */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-indicator .mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator .mouse::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 10px;
    background: var(--secondary);
    border-radius: 2px;
    animation: scrollAnim 2s infinite;
}

@keyframes scrollAnim {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* === About Section === */
.about {
    background: var(--white);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,37,64,0.2), transparent);
}

.about-experience {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 24px 32px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.about-experience h3 {
    font-size: 2.5rem;
    color: var(--secondary);
}

.about-experience p {
    font-size: 0.85rem;
    opacity: 0.8;
}

.about-text h2 {
    margin-bottom: 16px;
}

.about-text p {
    color: var(--gray-500);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

.about-feature-item i {
    color: var(--secondary);
}

/* === Why Us Section === */
.why-us {
    background: var(--gray-100);
    position: relative;
}

.why-us .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.why-us .section-subtitle {
    margin: 0 auto;
}

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

.why-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

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

.why-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    transition: var(--transition);
}

.why-card:hover .why-card-icon {
    background: var(--gradient-gold);
    color: var(--primary);
    transform: rotateY(180deg);
}

.why-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary);
}

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

/* === Products Section === */
.products {
    background: var(--white);
}

.products .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.products .section-subtitle {
    margin: 0 auto;
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 12px 28px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
}

.product-tab.active {
    background: var(--primary);
    color: var(--white);
}

.product-tab:hover:not(.active) {
    background: var(--gray-200);
}

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

.product-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.product-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--secondary);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.product-card-body {
    padding: 20px;
}

.product-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.product-card-body .brand {
    font-size: 0.85rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 8px;
}

.product-card-body .desc {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 12px;
    line-height: 1.5;
}

.product-card-body .price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.product-card-body .price span {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--gray-500);
}

/* Brands */
.brands-section {
    margin-top: 60px;
    text-align: center;
}

.brands-section h3 {
    font-size: 1.3rem;
    margin-bottom: 32px;
    color: var(--primary);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 16px;
    justify-items: center;
}

.brand-item {
    width: 100px;
    height: 100px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--primary);
    transition: var(--transition);
    cursor: default;
}

.brand-item:hover {
    border-color: var(--secondary);
    box-shadow: 0 4px 15px rgba(212,175,55,0.15);
    transform: translateY(-3px);
}

/* === Services Section === */
.services {
    background: var(--gray-100);
}

.services .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.services .section-subtitle {
    margin: 0 auto;
}

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

.service-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

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

.service-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
    transition: var(--transition);
}

.service-card:hover .service-card-icon {
    background: var(--gradient-gold);
    color: var(--primary);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

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

/* === How to Order === */
.order {
    background: var(--primary);
    position: relative;
}

.order .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.order .section-title { color: var(--white); }
.order .section-subtitle { color: rgba(255,255,255,0.7); }

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

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

.timeline-number {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.timeline-item:hover .timeline-number {
    transform: scale(1.15);
    box-shadow: 0 0 30px rgba(212,175,55,0.3);
}

.timeline-item h4 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 8px;
}

.timeline-item p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

/* === Testimonials Section === */
.testimonials {
    background: var(--white);
}

.testimonials .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials .section-subtitle {
    margin: 0 auto;
}

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

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
}

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

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-stars i {
    color: var(--secondary);
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-size: 0.9rem;
}

.testimonial-info p {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* === Coverage Area === */
.coverage {
    background: var(--gray-100);
}

.coverage .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.coverage .section-subtitle {
    margin: 0 auto;
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.coverage-item {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.coverage-item:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.coverage-item i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--secondary);
}

.coverage-item:hover i { color: var(--secondary); }

.coverage-nasional {
    grid-column: 1 / -1;
    text-align: center;
    padding: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--white);
}

.coverage-nasional h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.coverage-nasional p {
    opacity: 0.8;
}

/* === FAQ Section === */
.faq {
    background: var(--white);
}

.faq .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.faq .section-subtitle {
    margin: 0 auto;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--secondary);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq-question i {
    transition: var(--transition);
    color: var(--secondary);
    font-size: 1.1rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* === Articles Section === */
.articles {
    background: var(--gray-100);
}

.articles .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.articles .section-subtitle {
    margin: 0 auto;
}

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

.article-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.article-body {
    padding: 24px;
}

.article-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(212,175,55,0.1);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-body h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.article-body p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.6;
}

.article-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-link:hover {
    color: var(--secondary);
    gap: 10px;
}

.articles-more {
    text-align: center;
    margin-top: 48px;
}

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

.contact .section-header {
    text-align: center;
    margin-bottom: 60px;
}

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

.contact-info {
    padding: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--white);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-info-item i {
    width: 44px;
    height: 44px;
    background: rgba(212,175,55,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-info-item p {
    font-size: 0.85rem;
    opacity: 0.8;
}

.contact-form {
    padding: 40px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

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

.form-group label {
    display: block;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(212,175,55,0.1);
}

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

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    margin-top: 16px;
    line-height: 1.7;
    max-width: 300px;
}

.footer h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 6px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--secondary);
    width: 20px;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--secondary);
    color: var(--primary);
    transform: translateY(-3px);
}

/* === WhatsApp Floating === */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: var(--transition);
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.whatsapp-float .tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.whatsapp-float:hover .tooltip {
    opacity: 1;
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 999;
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

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

/* === Animation Classes === */
.animate {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate.fade-up { transform: translateY(40px); }
.animate.fade-down { transform: translateY(-40px); }
.animate.fade-left { transform: translateX(-40px); }
.animate.fade-right { transform: translateX(40px); }
.animate.zoom-in { transform: scale(0.8); }

.animate.animated {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* === Featured Service / CTA Banner === */
.cta-banner {
    background: var(--gradient-primary);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212,175,55,0.05) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

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

.cta-banner h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--white);
    margin-bottom: 16px;
    position: relative;
}

.cta-banner p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
    position: relative;
}

.cta-banner .btn {
    position: relative;
}

/* === Responsive === */
@media (max-width: 1200px) {
    .why-us-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .coverage-grid { grid-template-columns: repeat(3, 1fr); }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--primary);
        flex-direction: column;
        padding: 100px 32px 40px;
        gap: 20px;
        transition: var(--transition);
        z-index: 999;
    }
    .nav-menu.active { right: 0; }
    .nav-link { font-size: 1rem; }

    .hero-title { font-size: clamp(1.8rem, 6vw, 2.5rem); }
    .hero-stats { flex-wrap: wrap; gap: 24px; }
    .hero-stat-item { flex: 1; min-width: 100px; }

    .why-us-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .coverage-grid { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .timeline { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }

    .section-padding { padding: 60px 0; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .coverage-grid { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    .hero-badges { justify-content: center; }
    .hero-stat-item h3 { font-size: 1.5rem; }
}