/* ============================================
   TECHSOPT — Design System & Styles
   ============================================ */

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

:root {
    --bg-start: #f8fafc;
    --bg-end: #e8edf5;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.45);
    --text-primary: #0a0f1e;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: rgba(241, 245, 249, 0.8);
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --accent-light: #dbeafe;
    --green: #22c55e;
    --green-dark: #16a34a;
    --radius-sm: 16px;
    --radius-md: 24px;
    --radius-lg: 32px;
    --radius-xl: 40px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.03), 0 1px 3px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.03);
    --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.07), 0 6px 16px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 24px 64px rgba(15, 23, 42, 0.09), 0 8px 24px rgba(15, 23, 42, 0.05);
    --shadow-glass: 0 8px 32px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--bg-start) 0%, #eef1f8 40%, var(--bg-end) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ---------- Utility ---------- */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 1px 0 rgba(0,0,0,0.04), var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}

.footer-logo-img {
    background: rgba(255,255,255,0.95);
    padding: 2px;
    border-radius: 6px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    padding: 8px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--border-light);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 100px;
    transition: var(--transition-fast);
    box-shadow: 0 2px 10px rgba(34, 197, 94, 0.2);
}

.nav-cta:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.35);
}

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

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    bottom: -5%;
    left: -5%;
    animation-delay: -7s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-container {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(219, 234, 254, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: 100px;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-top: 56px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-primary {
    color: var(--white);
    background: linear-gradient(135deg, var(--accent) 0%, #6366f1 100%);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-secondary {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1.5px solid rgba(226, 232, 240, 0.6);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--white);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-card {
    width: 100%;
    justify-content: center;
    color: var(--white);
    background: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    margin-top: 8px;
}

.btn-card:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    color: var(--white);
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    padding: 16px 40px;
    font-size: 1.05rem;
    border-radius: 100px;
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(34, 197, 94, 0.35);
}

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-light);
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ---------- Products Grid ---------- */
.products {
    padding: 120px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.product-card {
    position: relative;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-glass);
}

.product-card:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: 0 28px 64px rgba(15, 23, 42, 0.1), 0 8px 24px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255,255,255,0.6);
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.85);
}

/* Card Glow Effect */
.card-glow {
    position: absolute;
    top: -80px;
    right: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0;
    transition: opacity 0.7s ease;
    pointer-events: none;
    z-index: 1;
}

.product-card:hover .card-glow {
    opacity: 0.22;
}

.card-glow-green { background: linear-gradient(135deg, #22c55e, #4ade80); }
.card-glow-purple { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.card-glow-blue { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
.card-glow-orange { background: linear-gradient(135deg, #f97316, #fb923c); }

/* Card Badge */
.card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 5px 14px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    z-index: 2;
}

/* Product Image */
.product-image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #e8edf5 100%);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image {
    transform: scale(1.06);
}

/* Card Content */
.card-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

a.product-image-wrap {
    display: block;
}

.card-title-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.card-title {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.card-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.card-pricing {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 16px;
}

.card-price {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.card-period {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* WhatsApp Order Button */
.btn-whatsapp-order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.2), inset 0 1px 0 rgba(255,255,255,0.12);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.btn-whatsapp-order:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 28px rgba(34, 197, 94, 0.3);
}

.btn-whatsapp-order svg {
    flex-shrink: 0;
}

/* ---------- Features Section ---------- */
.features {
    padding: 120px 0;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-glass);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.01);
    box-shadow: 0 24px 56px rgba(15, 23, 42, 0.09), inset 0 1px 0 rgba(255,255,255,0.6);
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.8);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(219,234,254,0.7), rgba(237,233,254,0.7));
    border-radius: var(--radius-md);
    color: var(--accent);
    transition: var(--transition-spring);
    border: 1px solid rgba(59,130,246,0.08);
}

.feature-card:hover .feature-icon {
    transform: scale(1.12) rotate(3deg);
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(59,130,246,0.25);
    border-color: transparent;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.feature-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- WhatsApp CTA Section ---------- */
.whatsapp-cta {
    padding: 80px 0 120px;
}

.cta-card {
    position: relative;
    background: linear-gradient(135deg, #22c55e 0%, #15803d 60%, #065f46 100%);
    border-radius: var(--radius-xl);
    padding: 80px 40px;
    text-align: center;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(22, 163, 74, 0.2);
}

.cta-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                       radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.07) 0%, transparent 40%),
                       radial-gradient(circle at 60% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

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

.cta-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    color: var(--white);
    animation: pulse-icon 3s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.cta-title {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 480px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.cta-card .btn-whatsapp {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    color: var(--green-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(255,255,255,0.3);
}

.cta-card .btn-whatsapp:hover {
    background: var(--white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 64px 0 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
    max-width: 280px;
}

.footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ---------- Floating WhatsApp ---------- */
.floating-whatsapp {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 62px;
    height: 62px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(34, 197, 94, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
    z-index: 999;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    animation: bounce-in 1s ease-out 1s both;
}

.floating-whatsapp:hover {
    transform: scale(1.12) translateY(-2px);
    box-shadow: 0 10px 32px rgba(34, 197, 94, 0.45);
}

@keyframes bounce-in {
    0% { opacity: 0; transform: scale(0); }
    50% { transform: scale(1.15); }
    100% { opacity: 1; transform: scale(1); }
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Order Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 15, 30, 0.4);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: var(--radius-lg);
    box-shadow: 0 32px 80px rgba(15, 23, 42, 0.16), 0 0 0 1px rgba(15, 23, 42, 0.03);
    transform: translateY(24px) scale(0.96);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

/* Custom scrollbar for modal */
.modal-container::-webkit-scrollbar {
    width: 6px;
}
.modal-container::-webkit-scrollbar-track {
    background: transparent;
}
.modal-container::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

/* Close Button */
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--border-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    z-index: 5;
}

.modal-close:hover {
    background: var(--border);
    color: var(--text-primary);
    transform: rotate(90deg);
}

/* Product Info Header */
.modal-product-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 28px 28px 20px;
    border-bottom: 1px solid var(--border-light);
}

.modal-product-img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #f8fafc, #eef2ff);
}

.modal-product-name {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.modal-product-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}

/* Form Styles */
#orderForm {
    padding: 24px 28px 28px;
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-label .required {
    color: #ef4444;
}

.form-label .optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--border-light);
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition-fast);
}

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

.form-input:focus {
    background: var(--white);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-input.error {
    border-color: #ef4444;
    background: #fef2f2;
}

.form-input.error:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-error {
    display: block;
    font-size: 0.78rem;
    color: #ef4444;
    margin-top: 4px;
    min-height: 18px;
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-modal-cancel {
    flex: 1;
    justify-content: center;
    padding: 13px 20px;
    color: var(--text-secondary);
    background: var(--border-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.btn-modal-cancel:hover {
    background: var(--border);
    color: var(--text-primary);
}

.btn-modal-submit {
    flex: 2;
    justify-content: center;
    padding: 13px 20px;
    color: var(--white);
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
    position: relative;
}

.btn-modal-submit:hover {
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4);
    transform: translateY(-1px);
}

.btn-modal-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Spinner */
.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn-modal-submit.loading .btn-label {
    display: none;
}

.btn-modal-submit.loading .btn-spinner {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success State */
.modal-success-state {
    display: none;
    text-align: center;
    padding: 56px 40px;
}

.modal-success-state.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.modal-form-state.hidden {
    display: none;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    border-radius: 50%;
    color: var(--green-dark);
    animation: pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.success-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.success-loader {
    width: 200px;
    height: 4px;
    margin: 0 auto;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
}

.loader-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--green), var(--accent));
    border-radius: 2px;
    animation: loadProgress 2s ease-in-out forwards;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(20px);
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        gap: 4px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 20px 60px;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
    }

    .stat-divider {
        display: none;
    }

    .product-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }

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

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

    .cta-card {
        padding: 48px 24px;
        border-radius: var(--radius-lg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
        padding: 0 20px;
    }

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