/* ========================================
   Azza Abo Deeb — Medical & Health Website
   Classic & Elegant Design System
   ======================================== */

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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;
    --teal-950: #042f2e;

    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Lato', system-ui, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background-color: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--slate-900);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    transition: all 0.25s ease;
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--teal-600);
    color: #ffffff;
    border-color: var(--teal-600);
}

.btn-primary:hover {
    background-color: var(--teal-700);
    border-color: var(--teal-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--slate-700);
    border-color: var(--slate-300);
}

.btn-outline:hover {
    border-color: var(--teal-600);
    color: var(--teal-700);
    background-color: var(--teal-50);
}

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

.btn-lg {
    padding: 18px 36px;
    font-size: 1.0625rem;
}

/* ---------- Section Tags ---------- */
.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-700);
    background-color: var(--teal-50);
    border: 1px solid var(--teal-200);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
    color: var(--slate-900);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--slate-500);
    max-width: 560px;
    line-height: 1.7;
}

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

.section-header .section-subtitle {
    margin: 0 auto;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-100);
    transition: box-shadow 0.3s ease;
}

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

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

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--teal-600), var(--teal-800));
    color: #ffffff;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
}

.brand-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-800);
}

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

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--slate-600);
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--teal-700);
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--slate-700);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-950) 50%, var(--slate-900) 100%);
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(255,255,255,0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--teal-200);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    margin-bottom: 28px;
    backdrop-filter: blur(8px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--teal-400);
    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(1.2); }
}

.hero-headline {
    font-size: clamp(3rem, 6vw, 4.5rem);
    color: #ffffff;
    margin-bottom: 24px;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.hero-subheadline {
    font-size: 1.1875rem;
    color: var(--slate-300);
    line-height: 1.75;
    margin-bottom: 40px;
    max-width: 460px;
}

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

.hero-actions .btn-primary {
    background-color: var(--teal-500);
    border-color: var(--teal-500);
    color: var(--slate-900);
}

.hero-actions .btn-primary:hover {
    background-color: var(--teal-400);
    border-color: var(--teal-400);
}

.hero-actions .btn-outline {
    border-color: rgba(255,255,255,0.25);
    color: #ffffff;
    background-color: transparent;
}

.hero-actions .btn-outline:hover {
    border-color: #ffffff;
    background-color: rgba(255,255,255,0.08);
}

/* Floating Stat Cards */
.hero-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateX(8px);
}

.stat-card--teal {
    background: linear-gradient(135deg, var(--teal-600), var(--teal-700));
    color: #ffffff;
}

.stat-card--slate {
    background: linear-gradient(135deg, var(--slate-700), var(--slate-800));
    color: #ffffff;
}

.stat-card--white {
    background: #ffffff;
    color: var(--slate-800);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card--teal .stat-icon,
.stat-card--slate .stat-icon {
    background-color: rgba(255,255,255,0.15);
    color: #ffffff;
}

.stat-card--white .stat-icon {
    background-color: var(--teal-50);
    color: var(--teal-600);
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 400;
    opacity: 0.7;
    margin-bottom: 2px;
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
}

/* ---------- Services ---------- */
.services {
    padding: 120px 0;
    background-color: var(--slate-50);
}

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

.service-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 40px 32px;
    border: 1px solid var(--slate-100);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--teal-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--teal-50), var(--teal-100));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-700);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.375rem;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ---------- About ---------- */
.about {
    padding: 120px 0;
    background-color: #ffffff;
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    width: 100%;
    height: 700px;
    object-fit: cover;
    box-shadow: var(--shadow-xl);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--teal-200), var(--teal-300));
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.5;
}

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

.about-text {
    font-size: 1.0625rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 36px 0;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--slate-700);
}

.value-item svg {
    color: var(--teal-600);
    flex-shrink: 0;
}

.about-content .btn {
    margin-top: 8px;
}

/* ---------- Testimonials ---------- */
.testimonials {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--teal-900), var(--slate-900));
    position: relative;
}

.testimonials .section-tag {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
    color: var(--teal-300);
}

.testimonials .section-title {
    color: #ffffff;
}

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

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.testimonial-quote {
    margin-bottom: 20px;
    color: var(--teal-400);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--slate-200);
    line-height: 1.75;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.875rem;
    color: var(--slate-400);
    font-style: normal;
}

/* ---------- Contact ---------- */
.contact {
    padding: 120px 0;
    background-color: var(--slate-50);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--slate-500);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--teal-50);
    border: 1px solid var(--teal-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-700);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-text strong {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-400);
}

.contact-text span,
.contact-text a {
    font-size: 1rem;
    color: var(--slate-700);
}

.contact-text a:hover {
    color: var(--teal-700);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 450px;
}

/* ---------- Footer ---------- */
.footer {
    background-color: var(--slate-900);
    padding: 64px 0 40px;
}

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

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 1.125rem;
}

.footer-brand .brand-text {
    color: #ffffff;
    font-size: 1.125rem;
}

.footer-text {
    color: var(--slate-400);
    font-size: 0.9375rem;
    margin-bottom: 20px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 32px;
}

.footer-contact a {
    color: var(--teal-400);
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-contact a:hover {
    color: var(--teal-300);
}

.footer-contact span {
    color: var(--slate-400);
    font-size: 0.9375rem;
}

.footer-copy {
    color: var(--slate-600);
    font-size: 0.8125rem;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-subheadline {
        max-width: 100%;
    }

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

    .hero-cards {
        max-width: 480px;
        margin: 0 auto;
    }

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

    .about-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image img {
        height: 500px;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 20px;
        border-bottom: 1px solid var(--slate-100);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

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

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-headline {
        font-size: clamp(2.25rem, 8vw, 3.5rem);
    }

    .hero-cards {
        flex-direction: column;
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

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

    .about-values {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

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

    .btn-lg {
        padding: 16px 28px;
        font-size: 1rem;
    }
}