:root {
    --primary: #1a365d; /* Deep Navy */
    --primary-dark: #0f172a;
    --primary-light: #eff6ff;
    --secondary: #4a5568;
    --accent: #f59e0b; /* Golden Yellow */
    --success: #059669;
    --background: #ffffff;
    --surface: #f7fafc;
    --text: #171923;
    --text-light: #4a5568;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --container: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.25rem;
    color: var(--text);
    margin-bottom: 12px;
    font-weight: 700;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    gap: 8px;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background-color: var(--primary-light);
    color: var(--primary);
}

.btn-secondary:hover {
    background-color: #cbdcfc;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.d-none-mobile {
    display: inline-flex;
}

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

/* Top Bar */
.top-bar {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    font-size: 0.875rem;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 10px;
}

.status-open {
    background-color: #dcfce7;
    color: #166534;
}

.status-closed {
    background-color: #fee2e2;
    color: #991b1b;
}

.top-contact a {
    color: var(--primary);
    font-weight: 600;
}

.btn-eye-comfort {
    background: #e2e8f0;
    border: none;
    padding: 6px;
    border-radius: 50%;
    cursor: pointer;
    color: #64748b;
    transition: all 0.3s;
}

.btn-eye-comfort.active {
    background: #fef3c7;
    color: #b45309;
}

body.eye-comfort-mode::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 165, 0, 0.1);
    pointer-events: none;
    z-index: 9999;
}

/* Header */
header {
    background-color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.logo i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text);
}

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

/* Hero Section */
.hero {
    background: radial-gradient(circle at 10% 20%, rgb(239, 246, 255) 0%, rgb(255, 255, 255) 90%);
    padding: 120px 0 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 4.2rem;
    line-height: 1;
    margin-bottom: 25px;
    color: var(--primary);
    font-weight: 900;
    text-transform: capitalize;
}

.hero-content h1 span {
    display: block;
    color: var(--accent);
    margin-top: 10px;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image img {
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    border: 8px solid white;
    transform: perspective(1000px) rotateY(-5deg) scale(1.05);
    transition: all 0.5s ease;
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg) scale(1.1);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 12px;
    z-index: -1;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: rotate(10deg);
    background: var(--accent);
    color: white;
}

.service-card h3 {
    margin-bottom: 12px;
}

/* Gallery */
.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 10px 25px;
    border-radius: 30px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-img {
    height: 250px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #fff;
    border-bottom: 1px solid var(--border);
}

.gallery-info {
    padding: 15px;
    text-align: center;
}

/* Why Choose Us */
.why-section {
    background-color: var(--surface);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

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

.why-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.stars {
    color: var(--accent);
    margin-bottom: 15px;
    display: flex;
    gap: 2px;
}

.review-text {
    font-style: italic;
    color: var(--text);
    margin-bottom: 20px;
}

.reviewer {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.reviewer-circle {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

/* Contact & Appointment */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.appointment-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-family: inherit;
}

.map-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-iframe {
    width: 100%;
    height: 300px;
    border: none;
}

.address-box {
    padding: 25px;
}

.address-box h3 {
    margin-bottom: 15px;
}

.address-box p {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.address-box i {
    color: var(--primary);
    margin-top: 5px;
}

/* WhatsApp Floating */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Mobile Click to Call */
.mobile-call {
    display: none;
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: var(--primary);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    align-items: center;
    gap: 10px;
}

/* Footer */
footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 30px;
    text-align: center;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-grid, .contact-container {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2.75rem;
    }
    .hero-image {
        order: -1;
    }
    .mobile-menu-btn {
        display: block;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.05);
        border-top: 1px solid var(--border);
    }
    .nav-links.active {
        display: flex;
    }
}

@media (max-width: 768px) {
    section {
        padding: 50px 0;
    }
    .hero {
        padding: 60px 0;
    }
    .hero-content h1 {
        font-size: 2.25rem;
    }
    .mobile-call {
        display: flex;
    }
    .whatsapp-float {
        bottom: 100px;
    }
}