/* ============================================
   PREMIER COLORECTAL & LAPAROSCOPIC CARE
   Design System — Dr. Muhammad Asad
   ============================================ */

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

:root {
    --primary: #0B3D5C;
    --primary-light: #14507a;
    --accent: #2F8A4E;
    --accent-dark: #1F6B3A;
    --white: #FFFFFF;
    --bg: #FFFFFF;
    --bg-light: #F5F7FA;
    --card-bg: #FFFFFF;
    --gray-medium: #6B7280;
    --gray-dark: #1F2937;
    --text: #1F2937;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --shadow: rgba(11, 61, 92, 0.08);
    --shadow-lg: rgba(11, 61, 92, 0.15);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary: #1a5a82;
        --accent: #4CAF6E;
        --accent-dark: #3D8B5A;
        --bg: #0A0E27;
        --bg-light: #0F1629;
        --card-bg: #0F1629;
        --text: #E5E7EB;
        --text-secondary: #A0AEC0;
        --border: #1F2937;
        --shadow: rgba(0, 0, 0, 0.4);
        --shadow-lg: rgba(0, 0, 0, 0.5);
    }
}

:root[data-theme="dark"] {
    --primary: #1a5a82;
    --accent: #4CAF6E;
    --accent-dark: #3D8B5A;
    --bg: #0A0E27;
    --bg-light: #0F1629;
    --card-bg: #0F1629;
    --text: #E5E7EB;
    --text-secondary: #A0AEC0;
    --border: #1F2937;
    --shadow: rgba(0, 0, 0, 0.4);
    --shadow-lg: rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    transition: background 0.2s, color 0.2s;
    overflow-x: hidden;
}

img { max-width: 100%; }

h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--primary);
    text-wrap: balance;
}

h1 { font-size: 56px; font-weight: 700; line-height: 1.15; margin-bottom: 16px; }
h2 { font-size: 32px; font-weight: 600; line-height: 1.3; margin-bottom: 20px; }
h3 { font-family: 'Inter', sans-serif; font-size: 24px; font-weight: 600; margin-bottom: 14px; color: var(--primary); }
h4 { font-family: 'Inter', sans-serif; font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--primary); }

p { margin-bottom: 16px; color: var(--text); }
p.lead { font-size: 19px; color: var(--text-secondary); }

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

.mono { font-family: 'Roboto Mono', monospace; }

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 72px 0;
}

.section-alt {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

.eyebrow {
    font-family: 'Roboto Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

/* Header / Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: white;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}
.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.brand-mark-fallback {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.brand-text {
    font-family: 'Playfair Display', serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.2;
}

.brand-text small {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.theme-toggle:hover { border-color: var(--accent); }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary);
}

@media (max-width: 1120px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 20px 24px;
        gap: 16px;
        box-shadow: 0 8px 16px var(--shadow);
    }
}

/* "Resources" nav dropdown (Patient Tools + Patient Education) */
.nav-dropdown { position: relative; }

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    padding: 0;
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
}

.nav-dropdown-toggle:hover, .nav-dropdown-toggle.active { color: var(--accent); }

.nav-caret {
    font-size: 10px;
    transition: transform 0.2s;
}

.nav-dropdown.open .nav-caret { transform: rotate(180deg); }

.nav-dropdown-menu {
    list-style: none;
    position: absolute;
    top: calc(100% + 18px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 16px 32px var(--shadow);
    padding: 8px;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
    z-index: 1001;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu li a {
    display: block;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
}

.nav-dropdown-menu li a:hover, .nav-dropdown-menu li a.active {
    background: var(--bg-light);
    color: var(--accent);
}

@media (max-width: 1120px) {
    .nav-dropdown { width: 100%; display: flex; flex-direction: column; align-items: center; }
    .nav-dropdown-toggle { justify-content: center; padding: 2px 0; }
    .nav-dropdown-menu {
        position: static;
        display: flex;
        align-items: center;
        text-align: center;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 8px 0 0;
        min-width: 0;
        margin-top: 4px;
    }
    .nav-caret { display: none; }
}

/* On narrow phones, the header's own WhatsApp pill competes with the brand
   name for space and forces an ugly 3-line wrap — drop it here since the
   persistent floating WhatsApp button already covers that CTA. */
@media (max-width: 560px) {
    .nav-actions > .btn-whatsapp { display: none; }
    .brand-text { font-size: 16px; }
    .brand-text small { font-size: 10px; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(47, 138, 78, 0.35);
}

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

.btn-secondary:hover {
    background: var(--bg-light);
    transform: translateY(-1px);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-block { width: 100%; justify-content: center; }

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #0d5580 60%, var(--accent) 150%);
    background-size: 200% 200%;
    animation: heroGradientShift 18s ease-in-out infinite alternate;
    color: white;
    padding: 88px 0 96px;
    position: relative;
    overflow: hidden;
}

@keyframes heroGradientShift {
    0% { background-position: 0% 30%; }
    100% { background-position: 100% 70%; }
}

/* Soft floating decorative shapes behind hero content.
   Structure is wrapper (JS parallax transform) > blob (CSS drift transform)
   so the two animations apply to different elements and never fight over
   the same `transform` property. */
.hero-blob-wrap {
    position: absolute;
    pointer-events: none;
    z-index: 1;
}
.hero-blob-wrap-1 { width: 320px; height: 320px; top: -80px; right: 8%; }
.hero-blob-wrap-2 { width: 220px; height: 220px; bottom: -60px; left: 4%; }
.hero-blob-wrap-3 { width: 160px; height: 160px; top: 40%; left: 40%; }

.hero-blob {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    filter: blur(50px);
    opacity: 0.35;
}
.hero-blob-1 { background: var(--accent); animation: heroBlobDrift1 14s ease-in-out infinite alternate; }
.hero-blob-2 { background: rgba(255,255,255,0.5); animation: heroBlobDrift2 16s ease-in-out infinite alternate; }
.hero-blob-3 { background: var(--accent); opacity: 0.18; animation: heroBlobDrift1 20s ease-in-out infinite alternate-reverse; }

@keyframes heroBlobDrift1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 30px) scale(1.15); }
}
@keyframes heroBlobDrift2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -20px) scale(1.1); }
}

/* Staggered entrance for hero content (CSS-only, plays on load — never
   scroll-gated, so it can never leave content invisible) */
.hero-eyebrow, .hero h1, .hero p.lead, .hero-actions, .hero-stats, .hero-photo {
    animation: fadeInUp 0.7s ease both;
}
.hero-eyebrow { animation-delay: 0.05s; }
.hero h1 { animation-delay: 0.15s; }
.hero p.lead { animation-delay: 0.28s; }
.hero-actions { animation-delay: 0.4s; }
.hero-stats { animation-delay: 0.52s; }
.hero-photo { animation-delay: 0.2s; }

/* Gentle continuous float on the hero portrait for a livelier feel */
.hero-photo-frame { animation: heroPhotoFloat 6s ease-in-out infinite; }
@keyframes heroPhotoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@media (prefers-reduced-motion: reduce) {
    .hero { animation: none; }
    .hero-blob-1, .hero-blob-2, .hero-blob-3 { animation: none; }
    .hero-eyebrow, .hero h1, .hero p.lead, .hero-actions, .hero-stats, .hero-photo {
        animation: none; opacity: 1; transform: none;
    }
    .hero-photo-frame { animation: none; }
    .hero-photo-inner { transform: none !important; }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero h1 {
    color: white;
    font-size: 52px;
    margin-bottom: 20px;
}

.hero p.lead {
    color: rgba(255,255,255,0.88);
    font-size: 19px;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-stat-num {
    font-family: 'Playfair Display', serif;
    font-size: 30px;
    font-weight: 700;
    color: white;
}

.hero-stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.75);
}

.hero-photo {
    position: relative;
}

.hero-photo-frame {
    aspect-ratio: 4/5;
    border-radius: 16px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 24px;
}

.credentials-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--white);
    color: var(--primary);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.25);
    font-size: 13px;
    font-weight: 600;
    max-width: 220px;
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 38px; }
    .hero-photo { order: -1; max-width: 280px; margin: 0 auto 24px; }
    .credentials-badge { display: none; }
    .hero-stats { gap: 20px 32px; }
}

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 900px) {
    .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 601px) and (max-width: 900px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-top: 4px solid var(--accent);
    border-radius: 10px;
    padding: 28px;
    transition: all 0.25s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px var(--shadow);
}

.service-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
}

.service-card .link-more {
    font-weight: 600;
    font-size: 14px;
}

.badge-flagship {
    display: inline-block;
    background: rgba(47, 138, 78, 0.12);
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: 12px;
}

/* Patient Education: category tags, article meta, author trust box, article body typography */
.article-tag {
    display: inline-block;
    background: rgba(11, 61, 92, 0.08);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.article-meta span { display: flex; align-items: center; gap: 6px; }

.author-box {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin: 32px 0;
}

.author-box-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--accent);
}

.author-box-avatar img { width: 100%; height: 100%; object-fit: cover; }

.author-box h4 { font-size: 15px; margin-bottom: 2px; }

.author-box p { font-size: 13px; color: var(--text-secondary); margin: 0; }

.article-body { max-width: 760px; margin: 0 auto; }
.article-body h2 { margin-top: 40px; margin-bottom: 16px; }
.article-body h3 { margin-top: 28px; margin-bottom: 12px; font-size: 19px; }
.article-body p { margin-bottom: 16px; line-height: 1.75; color: var(--text); }
.article-body ul, .article-body ol { margin: 0 0 16px 20px; }
.article-body li { margin-bottom: 8px; line-height: 1.7; }
.article-body .lead-in { font-size: 18px; color: var(--text-secondary); margin-bottom: 24px; }

/* Service card visual placeholder (photo/illustration to come) */
.service-visual {
    aspect-ratio: 16/10;
    border-radius: 8px;
    background: var(--bg-light);
    border: 1px dashed var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 16px;
    text-align: center;
    padding: 12px;
}
.service-visual span.emoji { font-size: 24px; }
.service-visual.has-image {
    background: none;
    border: none;
    padding: 0;
    overflow: hidden;
}
.service-visual.has-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    transition: transform 0.4s ease;
}
.service-card:hover .service-visual.has-image img {
    transform: scale(1.06);
}
@media (prefers-reduced-motion: reduce) {
    .service-visual.has-image img { transition: none; }
    .service-card:hover .service-visual.has-image img { transform: none; }
}

/* Foreign credentials badge strip */
.credential-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}
.credential-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    color: white;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 100px;
}
.credential-chip.light {
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text);
}

/* Social icons */
.social-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    text-decoration: none;
    transition: all 0.2s;
    flex-shrink: 0;
}
.social-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    display: block;
}
.social-icon:hover {
    transform: translateY(-3px);
    background: white;
}
.social-row .social-icon[aria-label="Facebook"]:hover { border-color: #1877F2; color: #1877F2; }
.social-row .social-icon[aria-label="Instagram"]:hover { border-color: #E1306C; color: #E1306C; }
.social-row .social-icon[aria-label="TikTok"]:hover { border-color: #010101; color: #010101; }
.social-row .social-icon[aria-label="LinkedIn"]:hover { border-color: #0A66C2; color: #0A66C2; }
.social-row .social-icon[aria-label="YouTube"]:hover { border-color: #FF0000; color: #FF0000; }
.social-row .social-icon[aria-label="Email"]:hover { border-color: var(--accent); color: var(--accent); }
.social-row.light .social-icon {
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--primary);
}

/* Testimonials */
.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 10px;
    padding: 28px;
}

.stars { color: #FBBF24; font-size: 15px; margin-bottom: 12px; }

.testimonial-text {
    font-size: 16px;
    font-style: italic;
    color: var(--text);
    margin-bottom: 16px;
}

.testimonial-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-medium);
}

/* Forms */
.form-group { margin-bottom: 18px; }

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    background: var(--bg-light);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(47, 138, 78, 0.15);
}

.form-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 16px var(--shadow);
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.85);
    padding: 56px 0 24px;
}

:root[data-theme="dark"] .site-footer,
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .site-footer { background: #060915; }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr 1.2fr;
    gap: 32px;
    margin-bottom: 40px;
}

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

.footer-grid h4 {
    color: white;
    font-size: 15px;
    margin-bottom: 16px;
}

.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: rgba(255,255,255,0.7); font-size: 14px; }
.footer-grid a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

/* Sticky WhatsApp button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.2s;
    text-decoration: none;
}

.whatsapp-float:hover { transform: scale(1.08); }

/* Breadcrumb */
.breadcrumb {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 20px 0 0;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }

/* Fade in on load (CSS-only — never gated behind scroll/JS, so content is
   always visible at rest even if JS is slow, blocked, or a crawler doesn't
   scroll) */
.fade-in {
    animation: fadeInUp 0.6s ease both;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .fade-in { animation: none; opacity: 1; transform: none; }
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

@media (max-width: 640px) {
    h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    .section { padding: 48px 0; }
}