/**
 * Aarogya Multi-Speciality Hospital & Research Centre
 * Master Clinical Design System
 * Pure Vanilla CSS - Zero external frameworks
 */

/* ==========================================================================
   1. CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* Primary Dominant: Deep Maritime Navy */
    --color-primary: #0B2540;
    --color-primary-dark: #07192C;
    --color-primary-light: #163E66;

    /* Secondary Accent: Clinical Deep Teal */
    --color-accent: #0D6E6E;
    --color-accent-hover: #095252;
    --color-accent-subtle: #E8F4F4;

    /* Urgent / Triage: Emergency Crimson */
    --color-emergency: #B91C1C;
    --color-emergency-hover: #991B1B;
    --color-emergency-subtle: #FEF2F2;

    /* Neutral Surfaces & Backgrounds */
    --color-surface-white: #FFFFFF;
    --color-surface-ground: #F6F8FA;
    --color-surface-card: #FFFFFF;
    --color-surface-muted: #EFF3F6;

    /* Text & Inks (WCAG AAA compliant contrast) */
    --color-text-main: #132238;
    --color-text-muted: #485A6E;
    --color-text-subtle: #6A7E94;
    --color-text-inverse: #FFFFFF;

    /* Architectural Dividers & Borders */
    --color-border: #D1DCE5;
    --color-border-subtle: #E5ECF2;
    --color-border-dark: #A9BCCB;

    /* Status Indicators */
    --color-success: #15803D;
    --color-success-bg: #F0FDF4;
    --color-warning: #B45309;
    --color-warning-bg: #FFFBEB;
    --color-error: #B91C1C;
    --color-error-bg: #FEF2F2;

    /* Typography Families */
    --font-heading: "Source Serif 4", Georgia, Cambria, "Times New Roman", serif;
    --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

    /* Spatial System */
    --container-max: 1240px;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;

    /* Subtle optical shadows (no blurred neon glows) */
    --shadow-subtle: 0 1px 3px rgba(11, 37, 64, 0.08);
    --shadow-card: 0 2px 5px rgba(11, 37, 64, 0.06), 0 1px 2px rgba(11, 37, 64, 0.04);
    --shadow-dropdown: 0 4px 12px rgba(11, 37, 64, 0.12);

    /* Transition */
    --transition-fast: 150ms ease;
    --transition-normal: 220ms ease;
}

/* ==========================================================================
   2. Reset & Baseline
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-surface-ground);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-accent-hover);
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

ul, ol {
    list-style: none;
}

/* Accessible Keyboard Focus States (Anti-AI Tell K7) */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduced Motion Support (Anti-AI Tell M6) */
@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;
    }
}

/* ==========================================================================
   3. Typography & Global Helpers
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 3.5vw, 2.75rem); }
h2 { font-size: clamp(1.6rem, 2.5vw, 2.15rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); }
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
    color: var(--color-text-main);
}

p:last-child {
    margin-bottom: 0;
}

.text-muted {
    color: var(--color-text-muted);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section {
    padding-top: 56px;
    padding-bottom: 56px;
}

.section-alt {
    background-color: var(--color-surface-white);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
}

.section-header {
    margin-bottom: 36px;
}

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.section-title {
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 680px;
}

/* ==========================================================================
   4. Buttons & Interactive Controls
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-surface-white);
    border-color: var(--color-primary-light);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-surface-white);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-surface-white);
    border-color: var(--color-accent-hover);
}

.btn-emergency {
    background-color: var(--color-emergency);
    color: var(--color-surface-white);
    border-color: var(--color-emergency);
}

.btn-emergency:hover {
    background-color: var(--color-emergency-hover);
    color: var(--color-surface-white);
    border-color: var(--color-emergency-hover);
}

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

.btn-outline:hover {
    background-color: var(--color-surface-ground);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   5. Header & Navigation
   ========================================================================== */
.top-bar {
    background-color: var(--color-primary-dark);
    color: #CBD5E1;
    font-size: 0.84rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 7px 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.top-bar a {
    color: #E2E8F0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.top-bar a:hover {
    color: var(--color-surface-white);
    text-decoration: underline;
}

.emergency-pill {
    background-color: var(--color-emergency);
    color: #FFFFFF;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.02em;
}

.site-header {
    background-color: var(--color-surface-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px rgba(11, 37, 64, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
    gap: 20px;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-primary);
    text-decoration: none;
}

.brand-logo-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.15;
}

.brand-subtext {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--color-text-main);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent);
    background-color: var(--color-accent-subtle);
}

.header-cta-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-phone-link {
    display: flex;
    flex-direction: column;
    text-align: right;
    text-decoration: none;
}

.header-phone-label {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.header-phone-number {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
    color: var(--color-primary);
}

/* ==========================================================================
   6. Hero Section (Anti-AI Asymmetrical Layout)
   ========================================================================== */
.hero-hospital {
    background-color: var(--color-primary);
    color: var(--color-surface-white);
    padding: 50px 0 60px;
    border-bottom: 4px solid var(--color-accent);
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.95fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(13, 110, 110, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #E2E8F0;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
}

.hero-title {
    color: #FFFFFF;
    font-size: clamp(2.1rem, 3.8vw, 3rem);
    margin-bottom: 18px;
    line-height: 1.2;
}

.hero-lead {
    color: #CBD5E1;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 28px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-badges-row {
    display: flex;
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-badge-item {
    display: flex;
    flex-direction: column;
}

.badge-metric {
    font-size: 1.35rem;
    font-weight: 700;
    color: #FFFFFF;
    font-family: var(--font-heading);
}

.badge-label {
    font-size: 0.82rem;
    color: #94A3B8;
}

/* Hero Quick Triage Panel */
.hero-triage-panel {
    background-color: var(--color-surface-white);
    color: var(--color-text-main);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-dropdown);
    padding: 28px;
}

.triage-header {
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.triage-header h3 {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-bottom: 4px;
}

.triage-header p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   7. Quick Access Patient Navigation Strip
   ========================================================================== */
.quick-access-strip {
    background-color: var(--color-surface-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-subtle);
}

.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    divide-x: 1px solid var(--color-border);
}

.quick-access-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 20px;
    border-right: 1px solid var(--color-border-subtle);
    color: var(--color-text-main);
    transition: background-color var(--transition-fast);
}

.quick-access-card:last-child {
    border-right: none;
}

.quick-access-card:hover {
    background-color: var(--color-accent-subtle);
}

.quick-icon-box {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    color: var(--color-accent);
}

.quick-access-card.emergency-card .quick-icon-box {
    color: var(--color-emergency);
}

.quick-card-body h4 {
    font-size: 1rem;
    margin-bottom: 3px;
    color: var(--color-primary);
}

.quick-card-body p {
    font-size: 0.84rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* ==========================================================================
   8. Medical Specialties Grid
   ========================================================================== */
.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.specialty-card {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    padding: 24px;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.specialty-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card);
}

.specialty-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.specialty-icon {
    width: 36px;
    height: 36px;
    color: var(--color-accent);
}

.specialty-category-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-subtle);
    background-color: var(--color-surface-muted);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.specialty-title {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.specialty-desc {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
}

.specialty-meta {
    border-top: 1px solid var(--color-border-subtle);
    padding-top: 14px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.specialty-meta span strong {
    color: var(--color-primary);
}

.specialty-card-actions {
    display: flex;
    gap: 10px;
}

/* ==========================================================================
   9. Clinical Infrastructure & Facilities Showcase
   ========================================================================== */
.facilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.facility-card {
    background-color: var(--color-surface-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.facility-media {
    height: 190px;
    background-color: var(--color-surface-muted);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.facility-body {
    padding: 22px;
}

.facility-title {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.facility-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ==========================================================================
   10. Patient Care Philosophy & Why Choose Us
   ========================================================================== */
.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.clinical-points-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 24px;
}

.clinical-point-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.point-bullet {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.point-text h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.point-text p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   11. Appointment Enquiry Section
   ========================================================================== */
.appointment-booking-box {
    background-color: var(--color-surface-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 36px;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: #FFFFFF;
    color: var(--color-text-main);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-accent);
    outline: none;
}

textarea.form-control {
    min-height: 110px;
    resize: vertical;
}

.form-disclaimer {
    font-size: 0.82rem;
    color: var(--color-text-subtle);
    margin-top: 12px;
    line-height: 1.4;
    padding: 10px 14px;
    background-color: var(--color-surface-ground);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   12. Blog & Clinical Articles Section
   ========================================================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 26px;
}

.article-card {
    background-color: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.article-thumb {
    height: 180px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
}

.article-thumb-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-meta-row {
    display: flex;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--color-text-subtle);
    margin-bottom: 10px;
}

.article-category {
    font-weight: 600;
    color: var(--color-accent);
}

.article-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.35;
}

.article-title a {
    color: var(--color-primary);
}

.article-title a:hover {
    color: var(--color-accent);
}

.article-summary {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 18px;
    flex-grow: 1;
}

.article-author-row {
    border-top: 1px solid var(--color-border-subtle);
    padding-top: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   13. Contact Strip & Footer
   ========================================================================== */
.contact-strip {
    background-color: var(--color-primary);
    color: #FFFFFF;
    padding: 36px 0;
}

.contact-strip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.contact-strip-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-strip-icon {
    width: 28px;
    height: 28px;
    color: #A3D2D2;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-strip-text h4 {
    color: #FFFFFF;
    font-size: 0.95rem;
    margin-bottom: 4px;
    font-family: var(--font-body);
    font-weight: 600;
}

.contact-strip-text p, .contact-strip-text a {
    color: #CBD5E1;
    font-size: 0.88rem;
    line-height: 1.4;
}

.contact-strip-text a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.site-footer {
    background-color: var(--color-primary-dark);
    color: #94A3B8;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 36px;
}

.footer-col h4 {
    color: #FFFFFF;
    font-size: 1.1rem;
    margin-bottom: 18px;
    font-family: var(--font-heading);
}

.footer-desc {
    color: #94A3B8;
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.footer-links-list a {
    color: #CBD5E1;
    transition: color var(--transition-fast);
}

.footer-links-list a:hover {
    color: #FFFFFF;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    font-size: 0.82rem;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom-links {
    display: flex;
    gap: 18px;
}

.footer-bottom-links a {
    color: #94A3B8;
}

.footer-bottom-links a:hover {
    color: #FFFFFF;
}

/* ==========================================================================
   14. Floating WhatsApp Action Widget
   ========================================================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    background-color: #25D366;
    color: #FFFFFF;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.floating-whatsapp:hover {
    background-color: #1EBE5D;
    transform: scale(1.06);
    color: #FFFFFF;
}

.floating-whatsapp svg {
    width: 30px;
    height: 30px;
    fill: #FFFFFF;
}

/* ==========================================================================
   15. Modal Dialogs & Alerts
   ========================================================================== */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 25, 44, 0.65);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-backdrop.is-open {
    display: flex;
}

.modal-container {
    background-color: var(--color-surface-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    max-width: 580px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-dropdown);
    padding: 30px;
    position: relative;
}

.modal-close-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
}

.alert {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.92rem;
    line-height: 1.4;
    border: 1px solid transparent;
}

.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: #BBF7D0;
}

.alert-error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border-color: #FECACA;
}

/* ==========================================================================
   16. Responsive Layout Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .header-inner {
        height: 70px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .facilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    .contact-strip-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-surface-white);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-bottom: 2px solid var(--color-border);
        box-shadow: var(--shadow-dropdown);
    }

    .main-nav.is-open {
        display: flex;
    }

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

    .header-phone-link {
        display: none;
    }

    .quick-access-grid {
        grid-template-columns: 1fr 1fr;
    }

    .quick-access-card {
        border-right: none;
        border-bottom: 1px solid var(--color-border-subtle);
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .form-grid-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }

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

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

@media (max-width: 480px) {
    .top-bar-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .quick-access-grid {
        grid-template-columns: 1fr;
    }
    .hero-badges-row {
        flex-direction: column;
        gap: 12px;
    }
    .appointment-booking-box {
        padding: 20px;
    }
}