/* ============================================
   Dr. Alexson Edward R MD — Medical Practice
   Terracotta & Sand Color Palette
   ============================================ */

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

:root {
    /* Terracotta palette */
    --terracotta-50: #fdf0eb;
    --terracotta-100: #fce4d9;
    --terracotta-200: #f8c4b0;
    --terracotta-300: #f2a07e;
    --terracotta-400: #eb7d52;
    --terracotta-500: #e06335;
    --terracotta-600: #c4704b;
    --terracotta-700: #a35537;
    --terracotta-800: #84452e;
    --terracotta-900: #6b3a27;
    
    /* Sand palette */
    --sand-50: #fefcf8;
    --sand-100: #fdf6ea;
    --sand-200: #f9ebd0;
    --sand-300: #f3dbb0;
    --sand-400: #e9c58a;
    --sand-500: #d4a85c;
    --sand-600: #b8893e;
    --sand-700: #966a2f;
    
    /* Neutrals */
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    --neutral-950: #0a0a0a;
    
    /* Semantic */
    --color-primary: var(--terracotta-600);
    --color-primary-dark: var(--terracotta-700);
    --color-primary-light: var(--terracotta-50);
    --color-accent: var(--sand-500);
    --color-bg: var(--sand-50);
    --color-surface: #ffffff;
    --color-text: var(--neutral-800);
    --color-text-muted: var(--neutral-500);
    --color-text-light: var(--neutral-600);
    --color-border: var(--neutral-200);
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--color-primary);
    color: #fff;
    padding: var(--space-sm) var(--space-md);
    border-radius: 0 0 var(--space-sm) var(--space-sm);
    z-index: 1000;
    font-weight: 500;
}

.skip-link:focus {
    top: 0;
}

/* ---------- HEADER ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(254, 252, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text);
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--neutral-900);
    letter-spacing: -0.01em;
}

.logo-title {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
}

.nav-link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: var(--space-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--terracotta-50);
}

.nav-cta {
    margin-left: var(--space-sm);
    background: var(--color-primary);
    color: #fff !important;
    border-radius: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    color: #fff !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--color-text);
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background: var(--neutral-950);
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(196, 112, 75, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 168, 92, 0.1) 0%, transparent 40%);
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 10, 0.85) 0%,
        rgba(10, 10, 10, 0.7) 50%,
        rgba(10, 10, 10, 0.5) 100%
    );
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(196, 112, 75, 0.15);
    border: 1px solid rgba(196, 112, 75, 0.3);
    border-radius: 100px;
    color: var(--terracotta-300);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.12;
    color: #fff;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
}

.hero-subheadline {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-2xl);
    max-width: 520px;
}

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

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.85rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--space-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(3px);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.btn-light {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

.btn-light:hover {
    background: var(--sand-100);
    color: var(--color-primary-dark);
}

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

/* ---------- HERO CARDS ---------- */
.hero-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.hero-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--space-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all var(--transition-base);
}

.hero-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.hero-card--primary {
    border-left: 3px solid var(--color-primary);
}

.hero-card--accent {
    border-left: 3px solid var(--color-accent);
}

.hero-card--sand {
    border-left: 3px solid var(--sand-300);
}

.card-icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.hero-card--accent .card-icon {
    color: var(--color-accent);
}

.hero-card--sand .card-icon {
    color: var(--sand-400);
}

.card-stat {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-xs);
}

.card-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: var(--space-sm);
}

.card-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.65);
}

/* ---------- TRUST BAR ---------- */
.trust-bar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
}

.trust-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    text-align: center;
}

.trust-number {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.trust-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.trust-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
    flex-shrink: 0;
}

/* ---------- SECTION COMMON ---------- */
.section-header {
    margin-bottom: var(--space-3xl);
}

.section-header--center {
    text-align: center;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.18;
    color: var(--neutral-900);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 620px;
}

.section-header--center .section-desc {
    margin: 0 auto;
}

/* ---------- SERVICES ---------- */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-bg);
}

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

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--space-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--terracotta-200);
    box-shadow: 0 8px 40px rgba(196, 112, 75, 0.08);
    transform: translateY(-3px);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--color-text-muted);
}

/* ---------- ABOUT ---------- */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

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

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

.about-image {
    border-radius: var(--space-xl);
    overflow: hidden;
    aspect-ratio: 6/7;
}

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

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--color-primary);
    border-radius: var(--space-lg);
    z-index: -1;
    opacity: 0.15;
}

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

.about-body {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.value-check {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.value-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ---------- EXPERIENCE ---------- */
.experience {
    padding: var(--space-4xl) 0;
    background: var(--color-bg);
}

.experience-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.step-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--space-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--terracotta-200);
    box-shadow: 0 8px 32px rgba(196, 112, 75, 0.07);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--terracotta-100);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.step-desc {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--color-text-muted);
}

/* ---------- INSURANCE ---------- */
.insurance {
    padding: var(--space-4xl) 0;
    background: var(--neutral-950);
}

.insurance-inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.insurance-content .section-tag {
    color: var(--terracotta-400);
}

.insurance-content .section-title {
    color: #fff;
}

.insurance-body {
    font-size: 1.02rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-2xl);
}

.insurance-list {
    list-style: none;
    display: grid;
    gap: var(--space-md);
}

.insurance-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}

.insurance-list svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.insurance-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--space-xl);
    padding: var(--space-2xl);
    text-align: center;
}

.insurance-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
    color: var(--color-primary);
}

.insurance-card-icon svg {
    width: 100%;
    height: 100%;
}

.insurance-card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: var(--space-md);
}

.insurance-card-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: var(--space-xl);
}

/* ---------- CONTACT ---------- */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

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

.contact-body {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: grid;
    gap: var(--space-xl);
}

.contact-detail {
    display: flex;
    gap: var(--space-lg);
}

.detail-icon {
    width: 44px;
    height: 44px;
    background: var(--terracotta-50);
    border-radius: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

.detail-icon svg {
    width: 22px;
    height: 22px;
}

.detail-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

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

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

.detail-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
}

.detail-link:hover {
    color: var(--color-primary-dark);
}

/* ---------- FORM ---------- */
.contact-form-wrap {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--space-xl);
    padding: var(--space-2xl);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

.form-note {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem var(--space-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--space-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--neutral-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(196, 112, 75, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 90px;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.form-success.active {
    display: block;
}

.form-success svg {
    width: 56px;
    height: 56px;
    color: var(--color-primary);
    margin: 0 auto var(--space-lg);
}

.form-success h4 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: var(--space-md);
}

.form-success p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--color-text-muted);
    max-width: 360px;
    margin: 0 auto;
}

/* ---------- FOOTER ---------- */
.site-footer {
    background: var(--neutral-950);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: #fff;
    text-decoration: none;
    margin-bottom: var(--space-lg);
}

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

.footer-logo .logo-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.45);
    max-width: 300px;
}

.footer-heading {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition-fast);
}

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

.footer-contact address {
    font-style: normal;
    display: grid;
    gap: var(--space-sm);
}

.footer-contact p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.footer-contact a {
    color: var(--color-primary);
}

.footer-contact a:hover {
    color: var(--color-primary-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.6;
}

.footer-disclaimer {
    font-size: 0.78rem !important;
    color: rgba(255, 255, 255, 0.2) !important;
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 50;
    box-shadow: 0 4px 16px rgba(196, 112, 75, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

/* ---------- MOBILE NAV ---------- */
@media (max-width: 900px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(254, 252, 248, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .nav-link {
        width: 100%;
        padding: var(--space-md);
    }
    
    .nav-cta {
        margin-left: 0;
        text-align: center;
        margin-top: var(--space-sm);
    }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-cards {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .hero-card {
        flex: 1;
        min-width: 200px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .insurance-inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-content {
        padding-left: 0;
    }
}

@media (max-width: 640px) {
    :root {
        --space-4xl: 4rem;
        --space-3xl: 3rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--space-2xl);
    }
    
    .hero-cards {
        flex-direction: column;
    }
    
    .hero-card {
        min-width: auto;
    }
    
    .trust-grid {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .trust-divider {
        width: 40px;
        height: 1px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .hero-headline {
        font-size: clamp(1.8rem, 7vw, 2.4rem);
    }
}

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