/* ============================================
   20/20 Vision Family Care — Stylesheet
   Classic & Elegant Medical Practice Website
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    --color-forest: #1B4332;
    --color-forest-light: #2D6A4F;
    --color-forest-dark: #0F291F;
    --color-cream: #FAF8F5;
    --color-cream-dark: #F0EDE8;
    --color-warm: #D4A574;
    --color-warm-light: #E8C9A0;
    --color-warm-dark: #B8874E;
    --color-text: #1A1A1A;
    --color-text-light: #4A4A4A;
    --color-text-muted: #6B6B6B;
    --color-white: #FFFFFF;
    --color-border: #E5E0D8;
    --color-error: #C0392B;
    --color-success: #1B4332;

    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Helvetica Neue', Helvetica, Arial, sans-serif;

    --max-width: 1200px;
    --header-height: 80px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 3px rgba(27, 67, 50, 0.06);
    --shadow-md: 0 4px 16px rgba(27, 67, 50, 0.08);
    --shadow-lg: 0 8px 32px rgba(27, 67, 50, 0.12);
    --shadow-xl: 0 16px 48px rgba(27, 67, 50, 0.14);

    --transition-fast: 0.2s ease;
    --transition-medium: 0.35s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-warm-dark);
}

ul {
    list-style: none;
}

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

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

/* ---------- Utility ---------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-warm-dark);
    margin-bottom: 0.75rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-forest);
    border-color: var(--color-forest);
}

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

.btn-nav {
    background-color: var(--color-forest);
    color: var(--color-white);
    border-color: var(--color-forest);
    padding: 0.625rem 1.25rem;
    font-size: 0.8rem;
}

.btn-nav:hover {
    background-color: var(--color-forest-dark);
    border-color: var(--color-forest-dark);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 248, 245, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: box-shadow var(--transition-medium);
}

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

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-forest);
    text-decoration: none;
}

.logo:hover {
    color: var(--color-forest);
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-forest);
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-warm-dark);
}

/* Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-forest);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-forest);
    transition: all var(--transition-fast);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu a:not(.btn) {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-decoration: none;
    position: relative;
    padding-bottom: 2px;
}

.nav-menu a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-warm);
    transition: width var(--transition-medium);
}

.nav-menu a:not(.btn):hover {
    color: var(--color-forest);
}

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

/* Mobile nav */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-cream);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 1.5rem;
        padding: 2rem;
        transition: right var(--transition-medium);
        box-shadow: var(--shadow-xl);
    }

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

    .nav-menu a:not(.btn) {
        font-size: 1.1rem;
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background-color: rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }
}

/* ---------- Hero Section ---------- */
.hero {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-cream);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    padding-right: 1rem;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-warm-dark);
    margin-bottom: 1.25rem;
}

.hero-title {
    margin-bottom: 1.5rem;
    color: var(--color-forest);
}

.hero-description {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-trust {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
}

.trust-item svg {
    color: var(--color-warm);
    flex-shrink: 0;
}

/* Hero Image */
.hero-image {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.hero-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 3px solid var(--color-warm-light);
    border-radius: var(--radius-lg);
    z-index: -1;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-content {
        padding-right: 0;
        text-align: center;
    }

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

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

    .hero-trust {
        align-items: center;
    }

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

    .hero-image-accent {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: calc(var(--header-height) + 1rem);
        padding-bottom: 2rem;
    }

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

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

/* ---------- Services Section ---------- */
.services {
    padding: 6rem 0;
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3.5rem;
}

.service-card {
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    transition: all var(--transition-medium);
    border: 1px solid transparent;
}

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

.service-icon {
    color: var(--color-forest);
    margin-bottom: 1.25rem;
}

.service-title {
    margin-bottom: 0.75rem;
    color: var(--color-forest);
}

.service-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 0;
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .services {
        padding: 4rem 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .service-card {
        padding: 1.75rem;
    }
}

/* ---------- About Section ---------- */
.about {
    padding: 6rem 0;
    background-color: var(--color-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about-content .section-eyebrow {
    margin-bottom: 0.75rem;
}

.about-content .section-title {
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-values {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.value-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.value-label {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-forest);
}

.value-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

@media (max-width: 480px) {
    .about {
        padding: 4rem 0;
    }
}

/* ---------- Patient Info Section ---------- */
.patient-info {
    padding: 6rem 0;
    background-color: var(--color-forest);
    color: var(--color-white);
}

.patient-info .section-eyebrow {
    color: var(--color-warm-light);
}

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

.patient-info .section-subtitle {
    color: rgba(255, 255, 255, 0.75);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3.5rem;
}

.info-card {
    background-color: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all var(--transition-medium);
}

.info-card:hover {
    background-color: rgba(255, 255, 255, 0.11);
    border-color: rgba(212, 165, 116, 0.4);
    transform: translateY(-2px);
}

.info-card-icon {
    color: var(--color-warm-light);
    margin-bottom: 1rem;
}

.info-card-title {
    color: var(--color-white);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.info-card-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 0;
}

.info-card-text br {
    display: block;
    content: "";
    margin-bottom: 0.25rem;
}

@media (max-width: 600px) {
    .patient-info {
        padding: 4rem 0;
    }

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

/* ---------- Contact Section ---------- */
.contact {
    padding: 6rem 0;
    background-color: var(--color-cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-content .section-eyebrow {
    margin-bottom: 0.75rem;
}

.contact-content .section-title {
    margin-bottom: 1.25rem;
}

.contact-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-text a {
    color: var(--color-forest-light);
    font-weight: 600;
    border-bottom: 1px solid var(--color-warm-light);
}

.contact-text a:hover {
    color: var(--color-warm-dark);
    border-bottom-color: var(--color-warm-dark);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-detail svg {
    color: var(--color-forest);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.15rem;
}

.contact-detail-value {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

.contact-detail-value a {
    color: var(--color-forest);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 1.75rem;
    color: var(--color-forest);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-cream);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-forest-light);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236B6B6B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-privacy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 0;
}

/* Form Success State */
.form-success {
    text-align: center;
    padding: 2rem;
}

.success-icon {
    margin: 0 auto 1.25rem;
}

.success-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.success-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.success-text a {
    color: var(--color-forest-light);
    font-weight: 600;
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: 0.25rem;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--color-error);
}

.form-group.error .form-error {
    display: block;
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 500px) {
    .contact {
        padding: 4rem 0;
    }

    .contact-form-wrapper {
        padding: 1.75rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: var(--color-forest-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-brand .logo-icon {
    color: var(--color-warm-light);
}

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

.footer-brand .logo-sub {
    color: var(--color-warm);
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-warm-light);
    margin-bottom: 1.25rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-contact address {
    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-phone a {
    color: var(--color-warm-light);
    font-weight: 500;
}

.footer-phone a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 0;
}

.footer-disclaimer {
    font-size: 0.75rem !important;
    max-width: 600px;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 500px) {
    .site-footer {
        padding: 3rem 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

/* ---------- Scroll Reveal (progressive enhancement) ---------- */
@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; }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--color-forest-light);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .site-header, .nav-toggle, .contact-form-wrapper {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero {
        min-height: auto;
        padding-top: 1rem;
    }
}