/* ========================================
   Cermak James J DDS — Dental Practice
   Clean Minimalist | Midnight Blue + Mint
   ======================================== */

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

:root {
    --color-midnight: #0A1628;
    --color-midnight-light: #132240;
    --color-mint: #2DD4BF;
    --color-mint-dark: #14B8A6;
    --color-mint-pale: #E0FBF9;
    --color-cream: #FAFBFC;
    --color-white: #FFFFFF;
    --color-text: #1A2B3D;
    --color-text-light: #5A6B7D;
    --color-text-muted: #8A9BAD;
    --color-line: #E2E8F0;
    --color-line-light: #F0F4F8;
    
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-midnight);
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.section-title em {
    font-style: italic;
    color: var(--color-mint-dark);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn--primary {
    background-color: var(--color-mint);
    color: var(--color-midnight);
    border-color: var(--color-mint);
}

.btn--primary:hover {
    background-color: var(--color-mint-dark);
    border-color: var(--color-mint-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(45, 212, 191, 0.3);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-midnight);
    border-color: var(--color-line);
}

.btn--outline:hover {
    border-color: var(--color-mint);
    color: var(--color-mint-dark);
}

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

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 251, 252, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-line-light);
    transition: all var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 1px 12px rgba(10, 22, 40, 0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    width: 28px;
    height: 28px;
    background-color: var(--color-mint);
    border-radius: 50%;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-midnight);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-nav a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: color var(--transition);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-mint);
    transition: width var(--transition);
}

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

.main-nav a:hover::after {
    width: 100%;
}

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

.mobile-toggle span {
    width: 22px;
    height: 1.5px;
    background-color: var(--color-midnight);
    transition: all var(--transition);
}

/* ---------- Mobile Nav ---------- */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background-color: var(--color-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.mobile-nav-overlay nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.mobile-nav-overlay a {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-midnight);
}

/* ---------- Hero ---------- */
.hero {
    padding-top: 72px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-cream);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    flex: 1;
}

.hero-content {
    padding-right: var(--space-lg);
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.hero-eyebrow .line {
    width: 40px;
    height: 1px;
    background-color: var(--color-mint);
}

.hero-eyebrow span {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-headline {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    line-height: 1.15;
    margin-bottom: var(--space-md);
    color: var(--color-midnight);
}

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

.hero-sub {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    z-index: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(10, 22, 40, 0.12);
}

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

.hero-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background-color: var(--color-mint-pale);
    border-radius: 50%;
    z-index: 0;
}

.hero-scroll-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-content: center;
    padding-bottom: var(--space-xl);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-scroll-indicator svg {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(6px); }
    60% { transform: translateY(3px); }
}

/* ---------- Intro ---------- */
.intro {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.intro-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-2xl);
    align-items: center;
}

.intro-text {
    max-width: 520px;
}

.intro-body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.intro-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-line);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-midnight);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background-color: var(--color-line);
}

.intro-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(10, 22, 40, 0.08);
}

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

/* ---------- Services ---------- */
.services {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-line-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-mint);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(10, 22, 40, 0.08);
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-mint-pale);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-mint-dark);
    margin-bottom: var(--space-md);
}

.service-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.service-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ---------- Differentiator ---------- */
.differentiator {
    padding: var(--space-3xl) 0;
    background-color: var(--color-midnight);
    color: var(--color-white);
}

.diff-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.diff-content .section-title {
    color: var(--color-white);
}

.diff-content .section-title em {
    color: var(--color-mint);
}

.diff-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.diff-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.diff-check {
    width: 24px;
    height: 24px;
    background-color: rgba(45, 212, 191, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-mint);
    flex-shrink: 0;
    margin-top: 2px;
}

.diff-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
}

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

/* ---------- Patients ---------- */
.patients {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.patients-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-2xl);
    align-items: start;
}

.patients-content {
    max-width: 520px;
}

.patients-body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.patients-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.step {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.step-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-mint);
    line-height: 1;
    flex-shrink: 0;
    margin-top: 4px;
}

.step-title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-midnight);
    margin-bottom: 0.25rem;
}

.step-desc {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.patients-visual {
    position: relative;
}

.patients-card {
    background-color: var(--color-midnight);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.patients-card-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint);
    display: block;
    margin-bottom: var(--space-md);
}

.patients-card-hours {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.hours-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hours-row:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.hours-row span:last-child {
    color: var(--color-mint);
    font-weight: 500;
}

.patients-card-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: var(--space-md) 0;
}

.patients-card-note {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

/* ---------- Contact ---------- */
.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-info {
    max-width: 480px;
}

.contact-body {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: color var(--transition);
}

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

.contact-item-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-mint-pale);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-mint-dark);
    flex-shrink: 0;
}

/* ---------- Form ---------- */
.contact-form-wrapper {
    background-color: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    background-color: var(--color-cream);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-mint);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

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

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

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl);
    text-align: center;
}

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

.form-success svg {
    color: var(--color-mint);
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--color-midnight);
}

.form-success p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: var(--color-midnight);
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-brand .logo-mark {
    width: 24px;
    height: 24px;
}

.footer-brand .logo-text {
    color: var(--color-white);
    font-size: 0.875rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

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

/* ---------- Scroll Reveal (progressive enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        order: 1;
    }
    
    .hero-visual {
        order: 2;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .intro-layout,
    .diff-layout,
    .patients-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .intro-image,
    .diff-image {
        order: -1;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding-top: 72px;
        padding-bottom: var(--space-xl);
    }
    
    .hero-grid {
        padding-top: var(--space-xl);
        padding-bottom: var(--space-xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .footer-links {
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-form-wrapper {
        padding: var(--space-md);
    }
}