/* ============================================
   PT BEAR BOOST ECOMMERCE - Main Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
    --primary: #1a2b5f;
    --primary-light: #2a3f7e;
    --accent: #f47920;
    --accent-light: #ff9a4d;
    --accent-dark: #d4651a;
    --dark: #0f1729;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg: #ffffff;
    --bg-light: #f8f9fc;
    --bg-dark: #0c1220;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul { list-style: none; }

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

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

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    color: var(--primary);
}

.logo-icon {
    font-size: 24px;
    color: var(--accent);
}

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

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--primary);
    cursor: pointer;
    padding: 8px;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(26, 43, 95, 0.92) 0%, rgba(15, 23, 41, 0.88) 60%, rgba(10, 22, 40, 0.95) 100%),
        url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(244, 121, 32, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(42, 63, 126, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

/* --- Hero Floating Shapes --- */
.hero-shapes {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    opacity: 0.08;
    border-radius: 4px;
}

.shape-1 {
    width: 80px;
    height: 80px;
    background: var(--accent);
    top: 15%;
    left: 8%;
    transform: rotate(45deg);
    animation: floatShape 8s ease-in-out infinite;
}

.shape-2 {
    width: 120px;
    height: 120px;
    background: #ffffff;
    top: 20%;
    right: 10%;
    border-radius: 50%;
    opacity: 0.05;
    animation: floatShape 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 60px;
    height: 60px;
    background: var(--accent-light);
    bottom: 25%;
    left: 15%;
    border-radius: 50%;
    animation: floatShape 7s ease-in-out infinite 1s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    background: #ffffff;
    top: 60%;
    right: 20%;
    transform: rotate(30deg);
    animation: floatShape 9s ease-in-out infinite 0.5s;
}

.shape-5 {
    width: 100px;
    height: 100px;
    background: var(--accent);
    bottom: 10%;
    right: 8%;
    border-radius: 50%;
    opacity: 0.06;
    animation: floatShape 12s ease-in-out infinite 2s;
}

.shape-6 {
    width: 50px;
    height: 50px;
    background: #ffffff;
    top: 40%;
    left: 5%;
    border-radius: 12px;
    transform: rotate(60deg);
    opacity: 0.04;
    animation: floatShape 11s ease-in-out infinite 1.5s;
}

.shape-7 {
    width: 30px;
    height: 30px;
    background: var(--accent);
    top: 10%;
    left: 50%;
    transform: rotate(15deg);
    animation: floatShape 6s ease-in-out infinite 0.8s;
}

.shape-ring {
    background: none !important;
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    opacity: 1;
}

.shape-8 {
    width: 200px;
    height: 200px;
    top: 5%;
    right: 25%;
    animation: spinSlow 20s linear infinite;
}

.shape-9 {
    width: 140px;
    height: 140px;
    bottom: 15%;
    left: 25%;
    border-color: rgba(244, 121, 32, 0.1);
    animation: spinSlow 25s linear infinite reverse;
}

/* --- Hero Grid Overlay --- */
.hero-grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0) rotate(var(--r, 45deg)); }
    50% { transform: translateY(-20px) rotate(var(--r, 45deg)); }
}

.shape-1 { --r: 45deg; }
.shape-3 { --r: 0deg; }
.shape-4 { --r: 30deg; }
.shape-6 { --r: 60deg; }
.shape-7 { --r: 15deg; }

@keyframes spinSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-title .highlight {
    color: var(--accent);
    position: relative;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 121, 32, 0.35);
}

.btn-outline {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.4);
}

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

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

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

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

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #ffffff;
    display: inline;
}

.stat-suffix {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Section Common --- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.section-desc {
    font-size: 17px;
    color: var(--text-light);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- About Section --- */
.about {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.about-card {
    background: #ffffff;
    padding: 40px 32px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.about-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: #ffffff;
}

.about-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.about-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* --- Services Section --- */
.services {
    padding: 100px 0;
    background: var(--bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    padding: 36px 28px;
    border-radius: var(--radius);
    background: var(--bg-light);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: #ffffff;
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--accent);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* --- Why Us Section --- */
.why-us {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.why-us-content .section-tag {
    display: block;
    text-align: left;
}

.why-us-list {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.why-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.why-icon {
    font-size: 22px;
    color: var(--accent);
    margin-top: 2px;
    flex-shrink: 0;
}

.why-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.why-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.why-us-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.visual-card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.visual-card.accent {
    background: var(--primary);
    border-color: var(--primary);
}

.visual-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.visual-card.accent .visual-number {
    color: var(--accent);
}

.visual-text {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.visual-card.accent .visual-text {
    color: rgba(255, 255, 255, 0.7);
}

/* --- Contact Section --- */
.contact {
    padding: 100px 0;
    background: var(--bg);
}

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

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--accent);
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.contact-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

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

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

/* --- Contact Form --- */
.contact-form {
    background: var(--bg-light);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font);
    color: var(--text);
    background: #ffffff;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(244, 121, 32, 0.1);
}

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

/* --- Footer --- */
.footer {
    background: var(--dark);
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.5);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    color: #ffffff;
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    .hero-title { font-size: 44px; }
    .section-title { font-size: 34px; }
    .about-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .why-us-wrapper { gap: 40px; }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .nav-links { 
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }

    .hero { padding: 100px 0 60px; min-height: auto; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 16px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-stats { gap: 32px; }
    .stat-number, .stat-suffix { font-size: 32px; }

    .about, .services, .why-us, .contact { padding: 70px 0; }
    .section-header { margin-bottom: 40px; }
    .section-title { font-size: 30px; }

    .about-grid { grid-template-columns: 1fr; gap: 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .why-us-wrapper { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 28px; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .visual-card { padding: 24px 16px; }
    .visual-number { font-size: 28px; }
    .contact-form { padding: 24px; }
}