/* ===================================
   Eye Genius - Premium Eye Care NYC
   Classic & Elegant Design System
   =================================== */

/* CSS Custom Properties */
:root {
    /* Terracotta + Sand Palette */
    --terracotta: #C06C4A;
    --terracotta-dark: #A85A3A;
    --terracotta-light: #D4956F;
    --terracotta-muted: #E8C4B0;
    
    --sand: #E8D5C4;
    --sand-light: #F5F0EB;
    --sand-cream: #FAF7F4;
    --sand-warm: #D4C4B0;
    
    --charcoal: #2C2C2C;
    --charcoal-light: #4A4A4A;
    --white: #FFFFFF;
    
    /* Typography */
    --font-serif: 'Lora', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --navbar-height: 80px;
    
    /* Transitions */
    --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;
}

body {
    font-family: var(--font-sans);
    color: var(--charcoal);
    background-color: var(--sand-cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(250, 247, 244, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--sand);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--charcoal);
}

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

.logo-text {
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--charcoal-light);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--terracotta);
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    padding: 0.625rem 1.5rem;
    background: var(--terracotta);
    color: var(--white) !important;
    border-radius: 100px;
    font-weight: 500;
    transition: all var(--transition-base);
}

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

.nav-cta:hover {
    background: var(--terracotta-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(192, 108, 74, 0.3);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--charcoal);
    transition: all var(--transition-base);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, var(--sand) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--charcoal);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-title br {
    display: none;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 100px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--terracotta-dark);
    border-color: var(--terracotta-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(192, 108, 74, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--charcoal);
    border-color: var(--charcoal);
}

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

.btn-full {
    width: 100%;
}

/* Hero Visual - Card Stack */
.hero-visual {
    position: relative;
    height: 600px;
}

.hero-card {
    position: absolute;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-card-main {
    width: 380px;
    height: 480px;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.hero-card-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Floating Stat Cards */
.float-card {
    position: absolute;
    background: var(--white);
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 3s ease-in-out infinite;
}

.float-card-1 {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.float-card-2 {
    bottom: 20%;
    left: -20px;
    animation-delay: 1s;
}

.float-card-3 {
    bottom: 5%;
    right: 20%;
    animation-delay: 2s;
}

.float-card-number {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--terracotta);
    line-height: 1;
}

.float-card-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--charcoal-light);
    line-height: 1.4;
}

.float-card-icon {
    width: 40px;
    height: 40px;
    background: var(--sand-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terracotta);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--charcoal-light);
    line-height: 1.8;
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--white);
}

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

.service-card {
    padding: var(--space-xl);
    background: var(--sand-cream);
    border-radius: 20px;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border-color: var(--sand);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--terracotta);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: var(--space-sm);
}

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

/* ===================================
   About Section
   =================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-images {
    position: relative;
    height: 600px;
}

.about-img-main {
    position: absolute;
    top: 0;
    left: 0;
    width: 70%;
    height: 80%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

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

.about-img-secondary {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 55%;
    height: 50%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border: 6px solid var(--white);
}

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

.about-content {
    padding: var(--space-xl) 0;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--charcoal-light);
    margin-bottom: var(--space-lg);
}

.about-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--sand);
}

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

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--terracotta);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--charcoal-light);
}

/* ===================================
   Eyewear Section
   =================================== */
.eyewear {
    background: var(--sand-light);
}

.eyewear-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.eyewear-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.eyewear-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.eyewear-img {
    height: 240px;
    overflow: hidden;
}

.eyewear-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.eyewear-card:hover .eyewear-img img {
    transform: scale(1.05);
}

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

.eyewear-brand {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--terracotta);
    margin-bottom: 0.5rem;
}

.eyewear-info h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--charcoal);
}

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

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--charcoal);
    color: var(--white);
}

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

.testimonials .section-title {
    color: var(--white);
}

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

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.testimonial-quote {
    margin-bottom: var(--space-lg);
}

.testimonial-text {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
    margin-bottom: var(--space-lg);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-name {
    font-weight: 600;
    color: var(--white);
}

.author-location {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--charcoal-light);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--sand-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--terracotta);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

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

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--sand-cream);
    border-radius: 24px;
    padding: var(--space-2xl);
}

.contact-form h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: var(--space-xl);
}

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

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--charcoal-light);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--charcoal);
    background: var(--white);
    border: 2px solid var(--sand);
    border-radius: 12px;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--terracotta);
    box-shadow: 0 0 0 4px rgba(192, 108, 74, 0.1);
}

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

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

.form-success {
    display: none;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 12px;
    color: #155724;
    font-weight: 500;
    margin-top: var(--space-lg);
}

.form-success svg {
    flex-shrink: 0;
    color: #28a745;
}

/* ===================================
   Map Section
   =================================== */
.map-section {
    padding: 0;
}

.map-container {
    height: 400px;
    filter: grayscale(30%);
}

.map-container iframe {
    width: 100%;
    height: 100%;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--charcoal);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-contact p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-visual {
        display: none;
    }

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

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

    .about-images {
        height: 400px;
        order: -1;
    }

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

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

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

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

@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
    }

    .nav-links {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--sand-cream);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--sand);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .hamburger {
        background: transparent;
    }

    .nav-toggle.active .hamburger::before {
        transform: rotate(45deg);
        transform-origin: top;
    }

    .nav-toggle.active .hamburger::after {
        transform: rotate(-45deg);
        transform-origin: bottom;
    }

    .nav-toggle.active .hamburger {
        background: transparent;
    }

    .hero-title br {
        display: block;
    }

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

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

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

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

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

    section {
        padding: var(--space-2xl) 0;
    }

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

    .btn {
        width: 100%;
    }

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

/* ===================================
   Animations
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }