/* ========================================
   Dr. Rozafa L. Pali — Medical Practice
   Classic & Elegant Design System
   ======================================== */

/* CSS Custom Properties */
:root {
    --emerald-900: #064e3b;
    --emerald-800: #065f46;
    --emerald-700: #047857;
    --emerald-600: #059669;
    --emerald-500: #10b981;
    --emerald-400: #34d399;
    --emerald-100: #d1fae5;
    --emerald-50: #ecfdf5;
    
    --cream-900: #1c1917;
    --cream-800: #292524;
    --cream-700: #44403c;
    --cream-600: #57534e;
    --cream-500: #78716c;
    --cream-200: #e7e5e4;
    --cream-100: #f5f5f4;
    --cream-50: #fafaf9;
    --cream-25: #fcfcf9;
    
    --gold-500: #d4a853;
    --gold-400: #e2be6e;
    
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe 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: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--cream-800);
    background-color: var(--cream-25);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Utility */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Typography */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--emerald-900);
}

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

.btn-primary {
    background: var(--emerald-700);
    color: #ffffff;
    border-color: var(--emerald-700);
}

.btn-primary:hover {
    background: var(--emerald-800);
    border-color: var(--emerald-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.12);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.btn-light {
    background: #ffffff;
    color: var(--emerald-800);
    border-color: #ffffff;
}

.btn-light:hover {
    background: var(--cream-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.8125rem;
}

.btn-large {
    padding: 18px 36px;
    font-size: 1rem;
}

/* Eyebrow */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--emerald-600);
    margin-bottom: 12px;
}

/* Section */
.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--cream-100);
}

.section-header {
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 20px;
    color: var(--emerald-900);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--cream-600);
    line-height: 1.8;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 249, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cream-200);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    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;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--emerald-900);
}

.brand-icon {
    font-size: 1rem;
    color: var(--emerald-600);
}

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

.nav-links a:not(.btn) {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--cream-700);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--emerald-700);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--emerald-600);
    transition: width var(--transition-base);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cream-800);
    transition: all var(--transition-base);
    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 {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, 
            var(--emerald-900) 0%, 
            var(--emerald-700) 25%, 
            #1a5c3a 50%, 
            var(--emerald-600) 75%, 
            var(--emerald-800) 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/13060600/pexels-photo-13060600.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
    opacity: 0.18;
    mix-blend-mode: overlay;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(6, 78, 59, 0.85) 0%,
        rgba(4, 120, 87, 0.72) 40%,
        rgba(5, 150, 105, 0.6) 70%,
        rgba(6, 95, 70, 0.8) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero-eyebrow {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--emerald-300, #6ee7b7);
    margin-bottom: 24px;
    opacity: 0.9;
}

.hero-title {
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.badge-light {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.7); }
}

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

.service-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--cream-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--emerald-600), var(--emerald-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--emerald-50);
    border-radius: var(--radius-md);
    color: var(--emerald-700);
    margin-bottom: 24px;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--emerald-700);
    color: #ffffff;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--emerald-900);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--cream-600);
    line-height: 1.75;
}

/* ========================================
   ABOUT
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

.about-image {
    width: 100%;
    height: 750px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--emerald-100);
    border-radius: var(--radius-xl);
    z-index: -1;
}

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

.about-text {
    font-size: 1.0625rem;
    color: var(--cream-700);
    line-height: 1.85;
    margin-bottom: 20px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 32px 0 40px;
}

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

.value-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--emerald-50);
    border-radius: 50%;
    color: var(--emerald-700);
    font-size: 0.75rem;
    margin-top: 2px;
}

.value-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--emerald-900);
    margin-bottom: 4px;
}

.value-item span {
    font-size: 0.9375rem;
    color: var(--cream-600);
    line-height: 1.6;
}

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

.testimonial-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--cream-200);
    transition: all var(--transition-base);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.testimonial-quote {
    font-family: var(--font-serif);
    font-size: 4rem;
    line-height: 1;
    color: var(--emerald-200, #a7f3d0);
    position: absolute;
    top: 20px;
    right: 28px;
    user-select: none;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--cream-700);
    line-height: 1.8;
    margin-bottom: 28px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--emerald-600), var(--emerald-800));
    border-radius: 50%;
    color: #ffffff;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
}

.author-name {
    display: block;
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--cream-800);
}

.author-detail {
    font-size: 0.8125rem;
    color: var(--cream-500);
}

/* ========================================
   CTA / CONTACT
   ======================================== */
.section-cta {
    background: linear-gradient(160deg, var(--emerald-900) 0%, var(--emerald-800) 50%, var(--emerald-700) 100%);
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/19497086/pexels-photo-19497086.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=800') center/cover no-repeat;
    opacity: 0.08;
}

.section-cta .section-eyebrow {
    color: var(--emerald-300, #6ee7b7);
}

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

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 48px;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.contact-item {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: all var(--transition-base);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--emerald-300, #6ee7b7);
    margin: 0 auto 16px;
}

.contact-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: #ffffff;
    margin-bottom: 8px;
}

.contact-item a,
.contact-item span {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--emerald-300, #6ee7b7);
}

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--cream-900);
    color: rgba(255, 255, 255, 0.7);
    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(255, 255, 255, 0.08);
}

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

.footer-brand .brand {
    color: #ffffff;
    font-size: 1.375rem;
}

.footer-tagline {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
    max-width: 280px;
}

.footer-links strong,
.footer-contact strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: #ffffff;
    margin-bottom: 20px;
}

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

.footer-links a,
.footer-contact a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--emerald-400);
}

.footer-contact li:last-child {
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px 0;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

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

.footer-bottom a:hover {
    color: var(--emerald-400);
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
@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);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        justify-self: center;
    }

    .about-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    /* Mobile Navigation */
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--cream-25);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 24px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-overlay {
        display: block;
    }

    .nav-links a:not(.btn) {
        font-size: 1.0625rem;
    }

    /* Hero */
    .hero-content {
        padding: 100px 24px 80px;
    }

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

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

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

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        height: 480px;
    }

    .about-image-accent {
        width: 120px;
        height: 120px;
        bottom: -12px;
        right: -12px;
    }

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

    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

    /* Contact */
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

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

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

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .section {
        padding: 56px 0;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card {
        padding: 28px 24px;
    }

    .testimonial-card {
        padding: 28px 24px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.875rem;
    }

    .btn-large {
        padding: 16px 28px;
    }
}