/* =============================================
   Dr. Susan Chandler — Medical Practice Website
   Warm terracotta & sand palette
   ============================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
    --terracotta: #C06C4A;
    --terracotta-dark: #A8553A;
    --terracotta-light: #D4926E;
    --sand: #F5EDE4;
    --sand-light: #FAF6F1;
    --sand-dark: #E8DDD2;
    --cream: #FDF9F5;
    --text-primary: #3A2218;
    --text-secondary: #6B4F44;
    --text-muted: #9A8078;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(62, 34, 24, 0.06);
    --shadow-md: 0 4px 20px rgba(62, 34, 24, 0.08);
    --shadow-lg: 0 8px 40px rgba(62, 34, 24, 0.10);
    --shadow-xl: 0 16px 60px rgba(62, 34, 24, 0.12);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Lora', Georgia, serif;
    --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: 1.7;
    color: var(--text-primary);
    background-color: var(--cream);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--terracotta-dark);
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }

p {
    color: var(--text-secondary);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--terracotta);
    color: var(--white);
    border-color: var(--terracotta);
    box-shadow: 0 4px 16px rgba(192, 108, 74, 0.3);
}

.btn-primary:hover {
    background: var(--terracotta-dark);
    border-color: var(--terracotta-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(192, 108, 74, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--terracotta);
    border-color: var(--terracotta);
}

.btn-secondary:hover {
    background: var(--terracotta);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

/* ---------- Section Labels ---------- */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: 12px;
}

.section-header {
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-title {
    margin-bottom: 16px;
}

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

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

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 249, 245, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(192, 108, 74, 0.08);
    transition: box-shadow var(--transition);
}

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

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

/* ---------- Logo ---------- */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.logo:hover {
    color: var(--terracotta);
}

.logo-text {
    line-height: 1.2;
}

.logo-light {
    color: var(--white);
}

.logo-light:hover {
    color: var(--sand);
}

/* ---------- Nav ---------- */
.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 50px;
    transition: all var(--transition);
}

.nav-menu a:hover {
    color: var(--terracotta);
    background: rgba(192, 108, 74, 0.07);
}

.nav-cta a {
    background: var(--terracotta);
    color: var(--white) !important;
    margin-left: 8px;
}

.nav-cta a:hover {
    background: var(--terracotta-dark);
}

/* ---------- Nav Toggle ---------- */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ---------- Nav Overlay (Mobile) ---------- */
.nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(58, 34, 24, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.nav-overlay-inner {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--cream);
    padding: 100px 32px 40px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-xl);
}

.nav-overlay.active .nav-overlay-inner {
    transform: translateX(0);
}

.nav-overlay-link {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 14px 0;
    border-bottom: 1px solid var(--sand-dark);
}

.nav-overlay-link:hover {
    color: var(--terracotta);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--sand-light) 0%, var(--cream) 50%, var(--sand) 100%);
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.12;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--terracotta);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--terracotta-light);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--sand-dark);
    top: 40%;
    left: 45%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.02); }
    66% { transform: translate(-10px, 15px) scale(0.98); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--sand-dark);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #4ADE80;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 480px;
}

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

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper img {
    width: 100%;
    height: 620px;
    object-fit: cover;
}

.hero-image-accent {
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: var(--terracotta);
    border-radius: var(--radius-lg);
    opacity: 0.15;
    z-index: -1;
}

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

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

.service-card {
    background: var(--sand-light);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(192, 108, 74, 0.15);
    background: var(--white);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(192, 108, 74, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition);
}

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

.service-card:hover .service-icon svg {
    stroke: var(--white);
}

.service-card h3 {
    margin-bottom: 10px;
    font-family: var(--font-body);
    font-weight: 600;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

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

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

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

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

.about-img-main img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -30px;
    right: -30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--cream);
}

.about-img-secondary img {
    width: 280px;
    height: 200px;
    object-fit: cover;
    display: block;
}

.about-experience-badge {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--terracotta);
    color: var(--white);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.about-experience-badge .exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    line-height: 1.2;
}

.about-experience-badge .exp-label {
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.9;
    letter-spacing: 0.04em;
}

.about-content .section-title {
    margin-bottom: 24px;
}

.about-text {
    margin-bottom: 16px;
    font-size: 1.02rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
    margin-top: 32px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.highlight-item svg {
    flex-shrink: 0;
}

/* ---------- Approach ---------- */
.approach {
    padding: 100px 0;
    background: var(--sand);
}

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

.approach-content .section-title {
    margin-bottom: 20px;
}

.approach-text {
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.approach-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.approach-feature {
    display: flex;
    gap: 20px;
}

.feature-number {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--terracotta);
    opacity: 0.3;
    line-height: 1;
    flex-shrink: 0;
    width: 48px;
}

.feature-body h3 {
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-body p {
    font-size: 0.95rem;
}

.approach-image-col img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ---------- New Patients ---------- */
.new-patients {
    padding: 100px 0;
    background: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--sand-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    border: 1px solid transparent;
    position: relative;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(192, 108, 74, 0.15);
}

.step-number {
    width: 52px;
    height: 52px;
    background: var(--terracotta);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.92rem;
    line-height: 1.7;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

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

.contact-desc {
    font-size: 1.05rem;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(192, 108, 74, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-text strong {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.contact-text a,
.contact-text span {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.contact-text a:hover {
    color: var(--terracotta);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Contact Form */
.contact-form-col {
    position: relative;
}

.contact-form-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(192, 108, 74, 0.08);
}

.contact-form-card h3 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 6px;
}

.form-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid var(--sand-dark);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--sand-light);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--terracotta);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(192, 108, 74, 0.1);
}

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

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

.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    padding: 32px;
    background: rgba(45, 106, 79, 0.06);
    border-radius: var(--radius-md);
    margin-top: 20px;
}

.form-success svg {
    color: #2D6A4F;
}

.form-success p {
    color: #2D6A4F;
    font-weight: 500;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--text-primary);
    color: var(--sand);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(245, 237, 228, 0.1);
}

.footer-brand p {
    color: rgba(245, 237, 228, 0.6);
    font-size: 0.95rem;
    margin-top: 16px;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(245, 237, 228, 0.6);
    font-size: 0.95rem;
}

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

.footer-contact address {
    font-style: normal;
    line-height: 1.8;
    color: rgba(245, 237, 228, 0.7);
    margin-bottom: 12px;
}

.footer-contact p {
    color: rgba(245, 237, 228, 0.6);
    font-size: 0.95rem;
}

.footer-contact a {
    color: rgba(245, 237, 228, 0.7);
}

.footer-contact a:hover {
    color: var(--sand);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    color: rgba(245, 237, 228, 0.4);
    font-size: 0.85rem;
}

.footer-legal {
    max-width: 480px;
    text-align: right;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 480px;
        margin: 0 auto;
    }
    
    .hero-image-wrapper img {
        height: 480px;
    }
    
    .about-grid,
    .approach-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-stack {
        max-width: 480px;
        margin: 0 auto;
    }
    
    .approach-image-col img {
        height: 400px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-img-secondary {
        right: 10px;
        bottom: -20px;
    }
    
    .about-experience-badge {
        left: 10px;
        top: -10px;
    }
    
    .contact-form-card {
        padding: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        text-align: center;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-trust {
        flex-direction: column;
        align-items: center;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .about-img-secondary {
        position: relative;
        right: auto;
        bottom: auto;
        margin-top: 16px;
    }
    
    .about-image-stack {
        display: flex;
        flex-direction: column;
    }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--terracotta);
    outline-offset: 2px;
}