/* ==================== Variables ==================== */
:root {
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --accent-dark: #b45309;
    --gold: #d4af37;
    --gold-dark: #a87f1c;
    --dark-color: #0f172a;
    --dark-soft: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06);
    --shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.14);
    --radius: 14px;
    --radius-lg: 22px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Reset & Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.65;
    color: var(--text-color);
    background-color: #f4f7fb;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==================== Navigation ==================== */
.navbar {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 1.5rem;
}

.nav-brand h1 {
    color: var(--primary-color);
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-brand i {
    margin-right: 0.5rem;
    -webkit-text-fill-color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.4rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--primary-color);
}

.nav-menu a.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
}

/* ==================== Hero Section ==================== */
.hero {
    background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.18), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.18), transparent 45%),
        linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #3b82f6 100%);
    color: white;
    padding: 7rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.5;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
}

.hero > .container { position: relative; z-index: 1; }

.hero h1, .hero-title {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    animation: fadeInDown 0.8s ease;
}

.hero p, .hero-subtitle {
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    margin-bottom: 2.2rem;
    opacity: 0.92;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeIn 1s ease;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.97rem;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.32);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.4);
}

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

.btn-secondary:hover {
    background-color: transparent;
    color: white;
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-light {
    background-color: white;
    color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.22);
}

.btn-gold {
    background: linear-gradient(135deg, #f7d24a, #d4af37 60%, #a87f1c);
    color: #1c1303;
    box-shadow: 0 10px 24px rgba(212, 175, 55, 0.45);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(212, 175, 55, 0.55);
}

.btn-large {
    padding: 1.05rem 2.4rem;
    font-size: 1.05rem;
}

/* ==================== Sections ==================== */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    color: var(--dark-color);
    margin-bottom: 0.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 64px;
    height: 4px;
    margin: 0.9rem auto 0;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

/* ==================== Features Section ==================== */
.features {
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.8rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2.2rem 1.5rem;
    border-radius: var(--radius-lg);
    background: white;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37,99,235,0.12);
    border-color: rgba(37,99,235,0.25);
}

.feature-icon {
    font-size: 2.6rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-flex;
    width: 72px;
    height: 72px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(245,158,11,0.12));
    border-radius: 20px;
}

.feature-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

/* ==================== Products ==================== */
.products-preview,
.products-section {
    background-color: var(--light-color);
}

.home-products {
    background-color: var(--light-color);
}

.home-products-header {
    text-align: center;
    margin-bottom: 3rem;
}

.home-products-header .section-title {
    margin-bottom: 0.6rem;
}

.home-products-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-top: 0.4rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
}

.product-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
    border: 1px solid #eaf0fa;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 44px rgba(37,99,235,0.18);
    border-color: rgba(37, 99, 235, 0.25);
}

/* Colored top band */
.product-card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 2rem 1.8rem 1.4rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.product-card-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.15) 1px, transparent 1px);
    background-size: 16px 16px;
    opacity: 0.5;
    pointer-events: none;
}

.product-card:nth-child(2) .product-card-header {
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
}

.product-card:nth-child(3) .product-card-header {
    background: linear-gradient(135deg, #059669, #065f46);
}

.product-card:nth-child(4) .product-card-header {
    background: linear-gradient(135deg, #ea580c, #9a3412);
}

.product-card:nth-child(5) .product-card-header {
    background: linear-gradient(135deg, #db2777, #9d174d);
}

/* VIP card override (always wins) */
.product-card.vip {
    border: 2px solid var(--gold);
    box-shadow: 0 10px 32px rgba(212, 175, 55, 0.25);
    background: linear-gradient(180deg, #fffaf0 0%, #ffffff 60%);
}

.product-card.vip .product-card-header {
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.25), transparent 45%),
        linear-gradient(135deg, #1c1303 0%, #5b3f0a 50%, #d4af37 100%);
}

.product-card.vip:hover {
    transform: translateY(-10px);
    box-shadow: 0 28px 50px rgba(212, 175, 55, 0.35);
}

.product-card.vip .product-link {
    color: var(--gold-dark);
}

.product-card.vip .product-link:hover {
    color: #1c1303;
}

.vip-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #f7d24a, #d4af37);
    color: #1c1303;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.45);
    z-index: 2;
}

.vip-badge i { font-size: 0.75rem; }

.product-icon-wrap {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.22);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    backdrop-filter: blur(6px);
    position: relative;
    z-index: 1;
}

/* Card body */
.product-card-body {
    padding: 1.6rem 1.8rem 1.8rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card-body h3 {
    color: var(--dark-color);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.product-card-body p {
    color: #64748b;
    font-size: 0.93rem;
    line-height: 1.65;
    flex: 1;
    margin-bottom: 1.4rem;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: gap 0.25s ease, color 0.25s ease;
}

.product-link:hover {
    gap: 0.85rem;
    color: var(--secondary-color);
}

/* keep nth-child colors consistent for product-link too */
.product-card:nth-child(2) .product-link { color: #7c3aed; }
.product-card:nth-child(2) .product-link:hover { color: #5b21b6; }
.product-card:nth-child(3) .product-link { color: #059669; }
.product-card:nth-child(3) .product-link:hover { color: #065f46; }
.product-card:nth-child(4) .product-link { color: #ea580c; }
.product-card:nth-child(4) .product-link:hover { color: #9a3412; }

/* legacy .product-icon kept for other pages */
.product-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Products List */
.products-list {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.product-item {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    gap: 2rem;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
    border: 1px solid #eaf0fa;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition);
}

.product-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 38px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.product-item:hover::before {
    opacity: 1;
}

.product-item-icon {
    flex-shrink: 0;
    width: 96px;
    height: 96px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(30,64,175,0.06));
}

.product-item-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.product-item.vip {
    border: 2px solid var(--gold);
    background: linear-gradient(180deg, #fffaf0 0%, #ffffff 60%);
    box-shadow: 0 10px 28px rgba(212, 175, 55, 0.22);
}

.product-item.vip::before {
    background: linear-gradient(180deg, #f7d24a, var(--gold), var(--gold-dark));
    opacity: 1;
    width: 6px;
}

.product-item.vip .product-item-icon {
    background: linear-gradient(135deg, rgba(212,175,55,0.25), rgba(212,175,55,0.08));
}

.product-item.vip .product-item-icon i {
    color: var(--gold-dark);
}

.product-item.vip .product-price {
    color: var(--gold-dark);
}

.product-item-content {
    flex: 1;
}

.product-item-content h2 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    font-size: 1.4rem;
}

.product-details {
    color: var(--text-muted);
    margin: 1rem 0;
    white-space: pre-line;
}

.product-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* Product Detail */
.product-detail {
    background-color: white;
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.product-detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.18), transparent 45%),
        linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    padding: 3.5rem 2rem;
    box-shadow: 0 18px 40px rgba(37, 99, 235, 0.25);
    position: sticky;
    top: 90px;
}

.product-detail-icon i {
    font-size: 7.5rem;
    color: white;
    text-shadow: 0 6px 20px rgba(0,0,0,0.18);
}

.product-detail.vip .product-detail-icon {
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.25), transparent 45%),
        linear-gradient(135deg, #1c1303 0%, #5b3f0a 50%, #d4af37 100%);
    box-shadow: 0 18px 40px rgba(212, 175, 55, 0.35);
}

.product-detail-info h2,
.product-detail-info h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.product-detail-info h3 {
    margin-top: 2rem;
}

.features-list {
    list-style: none;
    margin: 1rem 0;
}

.features-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.features-list i {
    color: var(--success-color);
}

.product-price-section {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f1f5fd 0%, #ffffff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.product-detail.vip .product-price-section {
    background: linear-gradient(135deg, #fff7e0 0%, #ffffff 100%);
    border-color: rgba(212,175,55,0.4);
}

.product-price-large {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 1rem 0;
    letter-spacing: -0.01em;
}

.product-detail.vip .product-price-large {
    color: var(--gold-dark);
}

.related-products {
    background-color: var(--light-color);
}

/* ==================== Clients Section ==================== */
.clients {
    background: linear-gradient(160deg, #f0f6ff 0%, #ffffff 60%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.clients::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(37,99,235,0.07) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.clients-header {
    text-align: center;
    margin-bottom: 3rem;
}

.clients-subtitle {
    color: #64748b;
    font-size: 1.05rem;
    margin-top: 0.5rem;
    margin-bottom: 1.2rem;
}

.clients-count {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.35rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.clients-count span {
    font-size: 1.05rem;
    font-weight: 700;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.client-card {
    background: white;
    border-radius: 16px;
    padding: 1.6rem 1.8rem;
    display: flex;
    align-items: flex-start;
    gap: 1.4rem;
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
    border: 1px solid #e8f0fe;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.client-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    border-radius: 16px 0 0 16px;
    transition: width 0.3s ease;
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(37,99,235,0.15);
}

.client-card:hover::after {
    width: 6px;
}

/* Avatars */
.client-avatar {
    flex-shrink: 0;
    width: 58px;
    height: 58px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: white;
}

.avatar-blue   { background: linear-gradient(135deg, #2563eb, #1e40af); }
.avatar-purple { background: linear-gradient(135deg, #7c3aed, #5b21b6); }
.avatar-green  { background: linear-gradient(135deg, #059669, #065f46); }
.avatar-orange { background: linear-gradient(135deg, #ea580c, #9a3412); }
.avatar-red    { background: linear-gradient(135deg, #dc2626, #7f1d1d); }
.avatar-teal   { background: linear-gradient(135deg, #0d9488, #115e59); }

.client-info {
    flex: 1;
    min-width: 0;
}

/* Badges */
.client-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.6rem;
}

.badge-blue   { background: #dbeafe; color: #1d4ed8; }
.badge-purple { background: #ede9fe; color: #6d28d9; }
.badge-green  { background: #d1fae5; color: #065f46; }
.badge-orange { background: #ffedd5; color: #9a3412; }
.badge-red    { background: #fee2e2; color: #991b1b; }
.badge-teal   { background: #ccfbf1; color: #115e59; }

.client-card h3 {
    color: var(--dark-color);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.client-fullname {
    font-style: italic;
    color: #64748b;
    font-size: 0.88rem;
    margin-bottom: 0.7rem;
    line-height: 1.4;
}

.client-address {
    font-size: 0.84rem;
    color: #94a3b8;
    line-height: 1.6;
}

.client-address i {
    color: var(--primary-color);
    margin-right: 0.35rem;
}

/* ==================== Page Header ==================== */
.page-header {
    background:
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.18), transparent 45%),
        linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
    color: white;
    padding: 4.5rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
    pointer-events: none;
}

.page-header > .container { position: relative; z-index: 1; }

.page-header h1 {
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    margin-bottom: 0.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.page-header p {
    opacity: 0.92;
    font-size: 1.05rem;
}

/* ==================== About Section ==================== */
.about-section {
    background-color: white;
}

.about-content {
    margin-bottom: 3rem;
}

.about-text h2 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.value-card {
    text-align: center;
    padding: 2rem;
}

.value-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.stats-section {
    margin-top: 4rem;
    padding: 3rem 0;
    background-color: var(--light-color);
    border-radius: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* ==================== Contact Section ==================== */
.contact-section {
    background-color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    background: linear-gradient(160deg, #f1f5fd 0%, #ffffff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
}

.contact-info h2 {
    color: var(--dark-color);
    margin-bottom: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.contact-item {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 1.6rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.2rem;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
    box-shadow: 0 8px 18px rgba(37,99,235,0.3);
}

.contact-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.2rem;
    font-size: 1rem;
    font-weight: 700;
}

.contact-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-form-container {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    box-shadow: 0 10px 30px rgba(15,23,42,0.06);
}

.contact-form-container h2 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-size: 0.92rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.97rem;
    font-family: inherit;
    background: #fbfcfe;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(37,99,235,0.12);
}

/* ==================== CTA Section ==================== */
.cta {
    background:
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.25), transparent 50%),
        linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
    color: white;
    text-align: center;
    padding: 4.5rem 0;
    position: relative;
    overflow: hidden;
}

.cta::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
    pointer-events: none;
}

.cta > .container { position: relative; z-index: 1; }

.cta h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.cta p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ==================== Footer ==================== */
.footer {
    background:
        radial-gradient(circle at 80% 0%, rgba(37,99,235,0.18), transparent 45%),
        var(--dark-color);
    color: #cbd5e1;
    padding: 4rem 0 1.4rem;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
    font-weight: 700;
}

.footer-section h3 i {
    color: var(--primary-light);
    margin-right: 0.4rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.55rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
    padding-left: 4px;
}

.footer-section p {
    margin-bottom: 0.55rem;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 0.7rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-3px);
    border-color: transparent;
    padding-left: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.6rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.9rem;
    color: #94a3b8;
}

/* ==================== Animations ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .product-item {
        flex-direction: column;
        text-align: center;
    }

    .product-detail-content {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}