/* ============================================
   SHAH KENNETH MD FACC — CARDIOLOGY WEBSITE
   Bold Editorial Style | Terracotta + Sand
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    --color-terracotta: #B85C38;
    --color-terracotta-dark: #9A4B2C;
    --color-terracotta-light: #D4845E;
    --color-sand: #F5F0E8;
    --color-sand-dark: #E8DFD0;
    --color-sand-light: #FAF8F4;
    --color-charcoal: #2C2420;
    --color-charcoal-light: #4A3F38;
    --color-text: #3A302A;
    --color-text-light: #7A6E66;
    --color-white: #FFFFFF;
    --color-border: #E5DDD3;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-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);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-sand-light);
    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;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-charcoal);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-terracotta);
    margin-bottom: var(--space-sm);
}

.section-headline {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-terracotta-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(184, 92, 56, 0.3);
}

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

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

.btn-full {
    width: 100%;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 248, 244, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 20px rgba(44, 36, 32, 0.08);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-mark {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-terracotta);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-terracotta);
    border-radius: var(--radius-sm);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-charcoal);
}

.logo-title {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.main-nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-terracotta);
    transition: width var(--transition);
}

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

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

.nav-cta {
    background-color: var(--color-terracotta) !important;
    color: var(--color-white) !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition) !important;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background-color: var(--color-terracotta-dark) !important;
    transform: translateY(-1px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: all var(--transition);
    transform-origin: center;
}

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

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

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

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(250, 248, 244, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

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

.mobile-nav ul {
    list-style: none;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-nav-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-charcoal);
    transition: color var(--transition);
}

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

.mobile-nav-cta {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-terracotta) !important;
    border: 2px solid var(--color-terracotta);
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: var(--color-sand-light);
    position: relative;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(184, 92, 56, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(184, 92, 56, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-terracotta);
    margin-bottom: var(--space-md);
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

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

.hero-subheadline {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

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

.hero-image {
    position: relative;
}

.image-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(44, 36, 32, 0.12);
}

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

.hero-badge {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background-color: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(44, 36, 32, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.badge-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-terracotta);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.badge-text {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-charcoal);
    line-height: 1.4;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-light);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

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

/* ---------- About Section ---------- */
.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

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

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

.about-text {
    font-size: 1.0625rem;
    color: var(--color-text);
    line-height: 1.85;
    margin-bottom: var(--space-md);
}

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

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

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-terracotta);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    letter-spacing: 0.02em;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(44, 36, 32, 0.1);
}

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

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

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-2xl);
}

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

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(44, 36, 32, 0.08);
    border-color: var(--color-terracotta-light);
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(184, 92, 56, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-terracotta);
    margin-bottom: var(--space-md);
    transition: all var(--transition);
}

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

.service-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.75;
}

/* ---------- Approach Section ---------- */
.approach {
    padding: var(--space-3xl) 0;
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

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

.approach-content .section-eyebrow {
    color: var(--color-terracotta-light);
}

.approach-content .section-headline {
    color: var(--color-white);
}

.approach-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.approach-point {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: var(--space-md);
}

.point-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-terracotta-light);
    line-height: 1;
    padding-top: 0.25rem;
}

.point-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.point-text {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
}

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

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

/* ---------- Quote Section ---------- */
.quote-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-terracotta);
    text-align: center;
}

.quote-content {
    max-width: 800px;
    margin: 0 auto;
}

.quote-mark {
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: var(--space-lg);
}

.quote-content blockquote {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-white);
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.quote-attribution {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

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

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

.contact-info {
    padding-right: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(184, 92, 56, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-terracotta);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1rem;
    color: var(--color-charcoal);
    line-height: 1.6;
}

.contact-value a {
    color: var(--color-terracotta);
    transition: color var(--transition);
}

.contact-value a:hover {
    color: var(--color-terracotta-dark);
    text-decoration: underline;
}

.contact-form-wrapper {
    background-color: var(--color-sand);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-terracotta);
    box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.1);
}

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

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

.form-success {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: rgba(184, 92, 56, 0.1);
    border-radius: var(--radius-sm);
    margin-top: var(--space-md);
    font-size: 0.9375rem;
    color: var(--color-terracotta-dark);
}

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

.form-success svg {
    flex-shrink: 0;
    color: var(--color-terracotta);
}

/* ---------- Map Section ---------- */
.map-section {
    background-color: var(--color-sand-dark);
}

.map-section iframe {
    display: block;
    width: 100%;
    height: 400px;
    filter: grayscale(30%) contrast(1.05);
}

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

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.footer-brand .logo-mark {
    border-color: var(--color-terracotta-light);
    color: var(--color-terracotta-light);
}

.footer-brand .logo-name {
    color: var(--color-white);
}

.footer-brand .logo-title {
    color: rgba(255, 255, 255, 0.5);
}

.footer-tagline {
    margin-top: var(--space-md);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 320px;
}

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

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}

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

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
}

.footer-bottom-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: flex-start;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.6;
}

.footer-disclaimer {
    font-size: 0.75rem !important;
    color: rgba(255, 255, 255, 0.3) !important;
}

/* ---------- Scroll Animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .hero-subheadline {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-badge {
        left: 50%;
        transform: translateX(-50%);
    }

    .about-container,
    .approach-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about-content {
        padding-right: 0;
    }

    .contact-info {
        padding-right: 0;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--space-2xl);
    }

    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-badge {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: var(--space-md);
        display: inline-flex;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .approach-point {
        grid-template-columns: 36px 1fr;
        gap: var(--space-sm);
    }

    .point-number {
        font-size: 1.25rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom-container {
        align-items: center;
        text-align: center;
    }

    .hero-scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .contact-form-wrapper {
        padding: var(--space-lg);
    }
}