/* ============================================
   Tailwind Pediatric Dentistry — Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --forest: #1a5c3a;
    --forest-dark: #144a2e;
    --forest-light: #237a4d;
    --forest-muted: rgba(26, 92, 58, 0.08);
    --off-white: #f7f5f0;
    --cream: #faf9f6;
    --warm-gray: #6b6560;
    --dark: #1c1917;
    --medium: #44403c;
    --light-border: #e8e4dd;
    --white: #ffffff;
    
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.06);
    --shadow-md: 0 4px 16px rgba(28, 25, 23, 0.08);
    --shadow-lg: 0 8px 32px rgba(28, 25, 23, 0.10);
    --shadow-xl: 0 16px 48px rgba(28, 25, 23, 0.12);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--dark);
    background: var(--cream);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 48px;
    }
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.75rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-family: var(--font-body);
    font-weight: 600;
    line-height: 1.35;
}

p {
    color: var(--medium);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--forest);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(26, 92, 58, 0.25);
}

.btn-primary:hover {
    background: var(--forest-dark);
    box-shadow: 0 6px 20px rgba(26, 92, 58, 0.35);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--forest);
    color: var(--white);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--forest);
    border-color: var(--white);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 16px 28px;
}

/* --- Section Tag --- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--forest);
    background: var(--forest-muted);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-tag.light {
    color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

/* --- Section Header --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    line-height: 1.7;
}

.section-header.light h2,
.section-header.light p {
    color: var(--white);
}

.section-header.light p {
    opacity: 0.85;
}

/* ============================================
   Header / Navigation
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--light-border);
    transition: all var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    padding-bottom: 16px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
}

.logo-accent {
    color: var(--forest);
}

.nav {
    display: none;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--medium);
    transition: color var(--transition);
}

.nav a:hover {
    color: var(--forest);
}

/* Mobile Toggle */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(28, 25, 23, 0.5);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
}

@media (min-width: 1024px) {
    .mobile-toggle {
        display: none;
    }
    
    .nav {
        display: flex;
    }
}

/* Mobile Nav */
@media (max-width: 1023px) {
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--cream);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        z-index: 999;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-xl);
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav a {
        font-size: 1.1rem;
        color: var(--dark);
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    background: var(--cream);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .hero {
        padding-top: 140px;
        padding-bottom: 100px;
    }
}

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

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.1fr 1fr;
        gap: 64px;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--forest);
    background: var(--forest-muted);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-content h1 {
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--medium);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--forest);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--warm-gray);
    font-weight: 500;
}

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

/* Hero Image */
.hero-image {
    position: relative;
}

.hero-img-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.hero-float-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.float-icon {
    width: 44px;
    height: 44px;
    background: var(--forest-muted);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-float-card strong {
    display: block;
    font-size: 0.9rem;
    color: var(--dark);
}

.hero-float-card span {
    font-size: 0.8rem;
    color: var(--warm-gray);
}

@media (min-width: 1024px) {
    .hero-float-card {
        bottom: 32px;
        left: -32px;
    }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 96px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--cream);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    background: var(--white);
    border-color: var(--light-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--forest-muted);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition);
}

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

.service-card:hover .service-icon svg path,
.service-card:hover .service-icon svg circle,
.service-card:hover .service-icon svg rect,
.service-card:hover .service-icon svg line,
.service-card:hover .service-icon svg polyline {
    stroke: var(--white);
    fill: none;
}

.service-card h3 {
    margin-bottom: 10px;
    color: var(--dark);
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--warm-gray);
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 96px 0;
    background: var(--cream);
}

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

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1.1fr;
        gap: 64px;
    }
}

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

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

.about-content h2 {
    margin-bottom: 20px;
}

.about-content > p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark);
}

/* ============================================
   Approach Section
   ============================================ */
.approach {
    padding: 96px 0;
    background: var(--forest);
    position: relative;
    overflow: hidden;
}

.approach::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.approach::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.approach-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .approach-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.approach-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 36px;
    transition: all var(--transition);
}

.approach-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.approach-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.15);
    line-height: 1;
    margin-bottom: 16px;
}

.approach-card h3 {
    color: var(--white);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.approach-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    line-height: 1.75;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: 96px 0;
    background: var(--cream);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid var(--light-border);
    transition: all var(--transition);
}

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

.testimonial-quote {
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--medium);
    margin-bottom: 24px;
    font-style: italic;
}

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

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--forest-muted);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--warm-gray);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: 96px 0;
    background: var(--dark);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    max-width: 640px;
    margin: 0 auto 20px;
}

.cta-content > p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    line-height: 1.75;
    max-width: 560px;
    margin: 0 auto 40px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 96px 0;
    background: var(--white);
}

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

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.1fr;
        gap: 64px;
    }
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.contact-icon {
    width: 44px;
    height: 44px;
    background: var(--forest-muted);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-item span,
.contact-item a {
    font-size: 0.95rem;
    color: var(--medium);
    line-height: 1.6;
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--cream);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--light-border);
}

.contact-form-wrapper h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 28px;
    color: var(--dark);
}

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

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--light-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--dark);
    background: var(--white);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--forest);
    box-shadow: 0 0 0 3px var(--forest-muted);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--warm-gray);
    opacity: 0.6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success.active {
    display: block;
}

.form-success h4 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 16px 0 8px;
    color: var(--forest);
}

.form-success p {
    color: var(--medium);
    line-height: 1.7;
}

/* ============================================
   Map Section
   ============================================ */
.map-section {
    background: var(--light-border);
}

.map-section iframe {
    display: block;
    width: 100%;
    height: 320px;
    filter: grayscale(30%);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-bottom a:hover {
    color: var(--white);
}

/* ============================================
   Animations
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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