/* ============================================
   Miller David L DDS — Custom Styles
   Charcoal + Coral | Clean Minimalist
   ============================================ */

:root {
    --charcoal-950: #0f1117;
    --charcoal-900: #1a1d27;
    --charcoal-800: #242836;
    --charcoal-700: #2e3344;
    --charcoal-600: #3d4256;
    --charcoal-500: #5a6078;
    --charcoal-400: #8a8fa8;
    --charcoal-300: #b0b5c8;
    --charcoal-200: #d4d8e4;
    --charcoal-100: #eceef5;
    --charcoal-50: #f6f7fb;
    
    --coral-600: #c44a3a;
    --coral-500: #E8604E;
    --coral-400: #f07868;
    --coral-300: #f7a092;
    --coral-200: #fbc4be;
    --coral-100: #fde8e4;
    --coral-50: #fef5f3;
    
    --white: #ffffff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--charcoal-800);
    background: var(--white);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

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

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--charcoal-100);
    transition: box-shadow 0.4s var(--ease-smooth);
}

.nav.scrolled {
    box-shadow: 0 1px 20px rgba(15, 17, 23, 0.06);
}

.nav-inner {
    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: 500;
    font-size: 15px;
    letter-spacing: -0.01em;
    color: var(--charcoal-900);
}

.nav-logo-text {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 16px;
}

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

.nav-links a:not(.nav-cta) {
    font-size: 14px;
    font-weight: 400;
    color: var(--charcoal-500);
    transition: color 0.25s var(--ease-smooth);
    letter-spacing: 0.01em;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--charcoal-900);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--coral-500);
    padding: 10px 20px;
    border: 1.5px solid var(--coral-200);
    border-radius: 100px;
    transition: all 0.3s var(--ease-smooth);
}

.nav-cta:hover {
    background: var(--coral-50);
    border-color: var(--coral-400);
    color: var(--coral-600);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--charcoal-700);
    transition: all 0.3s var(--ease-smooth);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease-smooth);
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.mobile-menu-link {
    font-size: 24px;
    font-weight: 300;
    color: var(--charcoal-800);
    padding: 16px 24px;
    letter-spacing: -0.01em;
    transition: color 0.25s;
}

.mobile-menu-link:hover {
    color: var(--coral-500);
}

.mobile-menu-cta {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 500;
    color: var(--coral-500);
    padding: 16px 32px;
    border: 1.5px solid var(--coral-200);
    border-radius: 100px;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--white);
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.7;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--coral-500);
    margin-bottom: 32px;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--coral-500);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.025em;
    color: var(--charcoal-900);
    margin-bottom: 28px;
    max-width: 560px;
}

.hero-headline em {
    font-style: italic;
    color: var(--coral-500);
}

.hero-sub {
    font-size: 17px;
    line-height: 1.75;
    color: var(--charcoal-500);
    max-width: 460px;
    margin-bottom: 44px;
    font-weight: 300;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    padding: 15px 32px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--charcoal-900);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--charcoal-700);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(15, 17, 23, 0.2);
}

.btn-ghost {
    background: transparent;
    color: var(--charcoal-700);
    border: 1.5px solid var(--charcoal-200);
}

.btn-ghost:hover {
    border-color: var(--charcoal-400);
    color: var(--charcoal-900);
    background: var(--charcoal-50);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

/* Hero Stat Cards */
.hero-cards {
    position: relative;
    height: 420px;
    flex-shrink: 0;
}

.stat-card {
    position: absolute;
    background: var(--white);
    border: 1px solid var(--charcoal-100);
    border-radius: 20px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: 0 4px 32px rgba(15, 17, 23, 0.06);
    transition: transform 0.4s var(--ease-out);
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card--1 {
    top: 0;
    left: 0;
    animation: float-1 6s ease-in-out infinite;
}

.stat-card--2 {
    top: 130px;
    right: 0;
    animation: float-2 7s ease-in-out infinite;
}

.stat-card--3 {
    bottom: 20px;
    left: 40px;
    animation: float-3 5.5s ease-in-out infinite;
}

@keyframes float-1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes float-2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes float-3 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.stat-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--coral-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral-500);
    flex-shrink: 0;
}

.stat-card-number {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--charcoal-900);
    line-height: 1.2;
}

.stat-card-label {
    font-size: 13px;
    color: var(--charcoal-400);
    margin-top: 2px;
    font-weight: 400;
}

/* Hero Divider */
.hero-divider {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
}

.hero-divider-line {
    flex: 1;
    height: 1px;
    background: var(--charcoal-100);
}

.hero-divider-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--coral-300);
    flex-shrink: 0;
}

/* ============================================
   Section Shared
   ============================================ */
.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--coral-500);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--charcoal-900);
    margin-bottom: 20px;
}

.section-sub {
    font-size: 17px;
    line-height: 1.7;
    color: var(--charcoal-500);
    max-width: 520px;
    font-weight: 300;
}

.section-header {
    margin-bottom: 64px;
}

/* ============================================
   Services
   ============================================ */
.services {
    padding: 120px 24px;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--charcoal-100);
    border-radius: 24px;
    overflow: hidden;
}

.service-card {
    background: var(--white);
    padding: 44px 36px;
    transition: all 0.4s var(--ease-smooth);
    position: relative;
}

.service-card:hover {
    background: var(--charcoal-950);
}

.service-card:hover .service-card-number,
.service-card:hover .service-card-title,
.service-card:hover .service-card-desc {
    color: var(--white);
}

.service-card:hover .service-card-icon {
    background: var(--coral-500);
    color: var(--white);
}

.service-card-number {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 500;
    color: var(--charcoal-100);
    line-height: 1;
    margin-bottom: 24px;
    transition: color 0.4s var(--ease-smooth);
}

.service-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--coral-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral-500);
    margin-bottom: 24px;
    transition: all 0.4s var(--ease-smooth);
}

.service-card-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 500;
    color: var(--charcoal-900);
    margin-bottom: 12px;
    letter-spacing: -0.015em;
    transition: color 0.4s var(--ease-smooth);
}

.service-card-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--charcoal-500);
    font-weight: 300;
    transition: color 0.4s var(--ease-smooth);
}

/* ============================================
   About
   ============================================ */
.about {
    padding: 120px 24px;
    background: var(--charcoal-50);
}

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

.about-image-wrap {
    position: relative;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/5;
    position: relative;
    z-index: 1;
}

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

.about-image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--coral-200);
    border-radius: 20px;
    z-index: 0;
}

.about-content {
    max-width: 480px;
}

.about-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--charcoal-600);
    margin-bottom: 20px;
    font-weight: 300;
}

.about-values {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-value {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 15px;
    color: var(--charcoal-700);
    font-weight: 400;
}

.about-value-line {
    width: 32px;
    height: 1px;
    background: var(--coral-400);
    flex-shrink: 0;
}

/* ============================================
   Patient Info
   ============================================ */
.patient-info {
    padding: 120px 24px;
    background: var(--white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.info-block {
    background: var(--charcoal-50);
    border: 1px solid var(--charcoal-100);
    border-radius: 20px;
    padding: 40px 36px;
    transition: all 0.3s var(--ease-smooth);
}

.info-block:hover {
    border-color: var(--coral-200);
    box-shadow: 0 8px 32px rgba(232, 96, 78, 0.06);
    transform: translateY(-2px);
}

.info-block-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--charcoal-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral-500);
    margin-bottom: 24px;
}

.info-block-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    color: var(--charcoal-900);
    margin-bottom: 20px;
    letter-spacing: -0.015em;
}

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

.info-block-list li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--charcoal-100);
}

.info-block-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-block-list li span:first-child {
    color: var(--charcoal-500);
    font-weight: 400;
}

.info-block-list li span:last-child {
    color: var(--charcoal-800);
    font-weight: 500;
}

.info-block-text {
    font-size: 15px;
    line-height: 1.75;
    color: var(--charcoal-600);
    font-weight: 300;
    margin-bottom: 16px;
}

.info-block-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--coral-500);
    transition: gap 0.25s var(--ease-smooth);
}

.info-block-link:hover {
    gap: 10px;
}

.info-block-phone {
    font-size: 22px;
    font-weight: 500;
    color: var(--charcoal-900);
    letter-spacing: -0.02em;
    transition: color 0.25s;
}

.info-block-phone:hover {
    color: var(--coral-500);
}

.info-block-note {
    font-size: 14px;
    color: var(--charcoal-400);
    font-weight: 300;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: 120px 24px;
    background: var(--charcoal-950);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 96, 78, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

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

.cta .section-tag {
    color: var(--coral-400);
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-sub {
    font-size: 17px;
    line-height: 1.75;
    color: var(--charcoal-400);
    max-width: 520px;
    margin: 0 auto 48px;
    font-weight: 300;
}

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

.cta .btn-primary {
    background: var(--coral-500);
    color: var(--white);
}

.cta .btn-primary:hover {
    background: var(--coral-400);
    box-shadow: 0 8px 32px rgba(232, 96, 78, 0.3);
}

.cta .btn-ghost {
    border-color: var(--charcoal-600);
    color: var(--charcoal-300);
}

.cta .btn-ghost:hover {
    border-color: var(--charcoal-400);
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--charcoal-950);
    border-top: 1px solid var(--charcoal-800);
    padding: 64px 24px 32px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--charcoal-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 16px;
    color: var(--white);
    margin-bottom: 16px;
    font-family: var(--font-serif);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.75;
    color: var(--charcoal-400);
    max-width: 280px;
    font-weight: 300;
}

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

.footer-links a {
    font-size: 14px;
    color: var(--charcoal-400);
    transition: color 0.25s;
    font-weight: 400;
}

.footer-links a:hover {
    color: var(--coral-400);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-phone {
    font-size: 18px;
    font-weight: 500;
    color: var(--white);
    letter-spacing: -0.02em;
    transition: color 0.25s;
}

.footer-phone:hover {
    color: var(--coral-400);
}

.footer-address {
    font-size: 14px;
    color: var(--charcoal-400);
    font-weight: 300;
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--charcoal-600);
    font-weight: 400;
}

/* ============================================
   Scroll Reveal
   ============================================ */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-cards {
        height: 260px;
        max-width: 500px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-wrap {
        max-width: 480px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    
    .hero {
        padding: 100px 24px 60px;
        min-height: auto;
    }
    
    .hero-cards {
        height: auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
        max-width: 100%;
    }
    
    .stat-card {
        position: relative;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        animation: none !important;
    }
    
    .services { padding: 80px 24px; }
    .services-grid { grid-template-columns: 1fr; }
    
    .about { padding: 80px 24px; }
    .patient-info { padding: 80px 24px; }
    .info-grid { grid-template-columns: 1fr; }
    
    .cta { padding: 80px 24px; }
    .cta-actions { flex-direction: column; align-items: center; }
    
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { text-align: left; }
}

@media (max-width: 480px) {
    .hero-headline { font-size: 32px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .btn-lg { width: 100%; justify-content: center; }
}