/* Design System for Crown Dental Clinic */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700&display=swap');

:root {
    --primary-bg: #11081C; /* Deep Obsidian */
    --accent: #4041D1; /* Precision Blue */
    --accent-hover: #5A5CF0;
    --surface: #F6F7FF; /* Platinum White */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-dark: #11081C;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-bg: rgba(17, 8, 28, 0.8);
    --radius-lg: 32px;
    --radius-md: 16px;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(64, 65, 209, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: white;
}

.sub-heading {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(64, 65, 209, 0.1);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 20px;
    border: 1px solid rgba(64, 65, 209, 0.2);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Header */
header {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    z-index: 1000;
    transition: var(--transition);
}

.header-cta {
    display: flex;
    align-items: center;
}

.nav-inner {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 24px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-symbol {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.brand-name {
    display: flex;
    flex-direction: column;
}

.brand-main {
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
}

.brand-sub {
    font-size: 11px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-link:hover, .nav-link.active {
    color: white;
}

.mobile-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
}

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

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}

.hero-content {
    z-index: 2;
    max-width: 100%;
}

.hero h1 {
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 550px;
}

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

.trust-bar {
    margin-top: 50px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.rating-pill {
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 14px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-count {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.stars {
    color: #FFD700;
    display: flex;
}

.hero-image-wrap {
    height: 600px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
    border-color: var(--accent);
}

.service-card i {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 24px;
    display: block;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* About Section */
.about {
    background-color: var(--surface);
    color: var(--text-dark);
    border-radius: 60px 60px 0 0;
}

.about-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 600px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content h2 {
    font-size: clamp(36px, 5vw, 48px);
    margin-bottom: 24px;
    line-height: 1.1;
}

.about-text {
    font-size: 18px;
    margin-bottom: 32px;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

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

/* Video Section */
.video-section {
    background: #000;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.video-card {
    position: relative;
    height: 720px;
    border-radius: 24px;
    overflow: hidden;
    background: #1a1a1a;
    transition: var(--transition);
}

.video-card:hover {
    transform: scale(1.02);
}

.video-card iframe {
    width: 100%;
    height: 100%;
    border: none;
}


/* Gallery */
.gallery-grid {
    column-count: 3;
    column-gap: 24px;
    margin-top: 40px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 24px;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-item img {
    width: 100%;
}

/* Testimonials */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
}

/* Contact */
.contact-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 40px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    width: 50px;
    height: 50px;
    background: rgba(64, 65, 209, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 20px;
}

.map-container {
    height: 100%;
    min-height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 14px;
    color: var(--text-secondary);
}

/* Responsive States */
@media (max-width: 1024px) {
    .container { padding: 0 40px; }
    
    header { 
        top: 0 !important; 
        left: 0 !important; 
        transform: none !important; 
        width: 100% !important; 
        max-width: 100% !important; 
        border-radius: 0 !important; 
    }
    
    .nav-inner { 
        border-radius: 0 !important; 
        border: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
        padding: 12px 20px !important;
    }
    
    .nav-links { display: none !important; }
    .mobile-toggle { display: block !important; }
    
    .header-cta {
        margin-left: auto;
        margin-right: 15px;
    }
    
    .header-cta .btn {
        padding: 8px 16px !important;
        font-size: 13px !important;
        min-height: auto !important;
    }

    .hero { 
        text-align: center; 
        padding-top: 120px; 
        min-height: auto; 
        padding-bottom: 60px; 
    }
    
    .hero .container { 
        grid-template-columns: 1fr !important; 
        gap: 40px; 
    }
    
    .hero-content { margin: 0 auto; order: 1; }
    .hero-btns { justify-content: center; flex-direction: column; }
    .hero-image-wrap { order: 2; height: 350px; margin-top: 40px; }
    .hero h1 { font-size: 44px !important; line-height: 1.1; }
    
    .about-split { grid-template-columns: 1fr; gap: 40px; }
    .about-image { height: 400px; }
    .services-grid, .video-grid, .testimonials-slider { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { column-count: 2; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .services-grid, .testimonials-slider, .video-grid { grid-template-columns: 1fr; }
    .gallery-grid { column-count: 1; }
    .contact-split { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; gap: 40px; }
    .hero h1 { font-size: 36px !important; }
    
    .brand-main { font-size: 16px; }
    .brand-sub { font-size: 10px; }
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

.nav-links.active {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    gap: 24px;
    animation: fadeInDown 0.4s ease-out;
    border-radius: 0 0 24px 24px;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}