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

:root {
    --black: #000;
    --white: #fff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --gray-950: #0a0a0a;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    --nav-h: 72px;
    --container-max: 1200px;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background: var(--gray-950);
    color: var(--gray-200);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4 {
    color: var(--white);
    line-height: 1.2;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.35rem;
}

h4 {
    font-size: 1.1rem;
}

strong {
    color: var(--white);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== NAVIGATION ===== */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.logo-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.logo-text {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    line-height: 1.3;
}

.logo-text strong {
    font-size: 0.85rem;
    color: var(--white);
    letter-spacing: 0.2em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-400);
    border-radius: 8px;
    transition: var(--transition);
    letter-spacing: 0.02em;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        transform: translateY(-120%);
        transition: var(--transition);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-links.open {
        transform: translateY(0);
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 1rem;
    }
}

/* ===== TAB CONTENT ===== */
.tab-content {
    display: none;
    min-height: 100vh;
    padding-top: var(--nav-h);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ===== HERO (Accueil) ===== */
.hero {
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 60px 24px;
    background: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
}

.hero-inner {
    text-align: center;
    max-width: 900px;
}

.hero-banner {
    margin-bottom: 32px;
}

.banner-img {
    max-width: 100%;
    width: 700px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: brightness(1.05) contrast(1.1);
}

.hero-eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 0.95;
    color: var(--white);
    margin-bottom: 32px;
}

.hero-highlight {
    font-family: var(--font-serif);
    font-style: italic;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-line {
    display: block;
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 0.95;
    color: var(--white);
}

.hero-title-accent {
    font-family: var(--font-serif);
    font-style: italic;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-400);
    max-width: 500px;
    margin: 0 auto 48px;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-600);
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--gray-600), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.7);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.02em;
}

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

.btn-primary:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

/* ===== STATS ===== */
.stats-section {
    padding: 100px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== INTRO SECTION ===== */
.intro-section {
    padding: 80px 0;
}

.intro-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    font-size: 2.2rem;
    margin-bottom: 24px;
}

.intro-content p {
    font-size: 1.1rem;
    color: var(--gray-400);
    line-height: 1.8;
}

/* ===== QUICK NAV CARDS ===== */
.quick-nav-section {
    padding: 40px 0 120px;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.quick-nav-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.quick-nav-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.quick-nav-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.quick-nav-card:hover::before {
    opacity: 1;
}

.qnc-icon {
    margin-bottom: 16px;
    color: var(--gray-300);
    display: flex;
    align-items: center;
}

.qnc-icon svg {
    width: 32px;
    height: 32px;
}

.quick-nav-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.quick-nav-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.qnc-arrow {
    position: absolute;
    top: 28px;
    right: 28px;
    font-size: 1.2rem;
    color: var(--gray-600);
    transition: var(--transition);
}

.quick-nav-card:hover .qnc-arrow {
    color: var(--white);
    transform: translateX(4px);
}

/* ===== PAGE HEADER ===== */
.page-header {
    padding: 80px 0 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    margin-bottom: 60px;
}

.page-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 1.15rem;
    color: var(--gray-500);
    font-weight: 300;
}

/* ===== SECTION BASICS ===== */
.content-section {
    padding: 60px 0;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.section-intro {
    font-size: 1.05rem;
    color: var(--gray-400);
    margin-bottom: 40px;
    max-width: 680px;
}

/* ===== DEFINITION BLOCK ===== */
.definition-block {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 48px;
    margin-bottom: 60px;
    position: relative;
}

.definition-mark {
    font-family: var(--font-serif);
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.08);
    position: absolute;
    top: 16px;
    left: 32px;
    line-height: 1;
}

blockquote {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--gray-200);
    font-weight: 300;
    margin-bottom: 16px;
}

cite {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-style: normal;
}

/* ===== TWO COLUMN GRID ===== */
.two-col-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.type-card {
    padding: 36px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.type-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.type-badge {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--gray-300);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 999px;
    margin-bottom: 20px;
}

.type-card h3 {
    margin-bottom: 12px;
}

.type-card p {
    color: var(--gray-400);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.type-card ul {
    list-style: none;
}

.type-card li {
    padding: 6px 0;
    font-size: 0.88rem;
    color: var(--gray-500);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-left: 16px;
    position: relative;
}

.type-card li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gray-700);
}

/* ===== BRISTOL SCALE ===== */
.bristol-scale {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bristol-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 24px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.bristol-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
}

.bristol-visual {
    flex-shrink: 0;
    width: 100px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Bristol shape visuals */
.bristol-shape {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bristol-shape.type-1 span {
    width: 12px;
    height: 12px;
    background: var(--gray-400);
    border-radius: 50%;
}

.bristol-shape.type-2 span {
    width: 80px;
    height: 16px;
    background: var(--gray-400);
    border-radius: 8px;
    background-image: repeating-radial-gradient(circle at 8px 8px, transparent 0, transparent 5px, rgba(0, 0, 0, 0.2) 5px, rgba(0, 0, 0, 0.2) 6px);
}

.bristol-shape.type-3 span {
    width: 80px;
    height: 16px;
    background: var(--gray-400);
    border-radius: 8px;
    background-image: repeating-linear-gradient(90deg, transparent 0, transparent 14px, rgba(0, 0, 0, 0.15) 14px, rgba(0, 0, 0, 0.15) 16px);
}

.bristol-shape.type-4 span {
    width: 80px;
    height: 14px;
    background: var(--gray-400);
    border-radius: 7px;
}

.bristol-shape.type-5 span {
    width: 18px;
    height: 14px;
    background: var(--gray-400);
    border-radius: 4px;
}

.bristol-shape.type-6 span {
    width: 80px;
    height: 12px;
    background: var(--gray-500);
    border-radius: 6px;
    opacity: 0.7;
    background-image: radial-gradient(circle, rgba(0, 0, 0, 0.2) 1px, transparent 1px);
    background-size: 6px 6px;
}

.bristol-shape.type-7 span {
    width: 80px;
    height: 8px;
    background: var(--gray-500);
    border-radius: 4px;
    opacity: 0.5;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.03);
}

.bristol-info {
    flex: 1;
}

.bristol-info strong {
    font-size: 0.95rem;
    display: block;
    margin-bottom: 4px;
}

.bristol-info p {
    font-size: 0.88rem;
    color: var(--gray-500);
    margin-bottom: 6px;
}

.bristol-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 999px;
}

.bristol-tag.constipation {
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-500);
}

.bristol-tag.ideal {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
}

.bristol-tag.diarrhee {
    background: rgba(255, 255, 255, 0.08);
    color: var(--gray-300);
}

.bristol-tag.severe {
    background: var(--white);
    color: var(--black);
}

/* ===== SYMPTOMS GRID ===== */
.symptoms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.symptom-item {
    padding: 28px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.symptom-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.symptom-icon {
    margin-bottom: 12px;
    display: block;
    color: var(--gray-300);
}

.symptom-icon svg {
    width: 28px;
    height: 28px;
}

.symptom-item h4 {
    margin-bottom: 6px;
    font-size: 1rem;
}

.symptom-item p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ===== CAUSES GRID ===== */
.causes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding-bottom: 80px;
}

.cause-card {
    padding: 36px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cause-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.cause-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.cause-card:hover::after {
    opacity: 1;
}

.cause-icon {
    margin-bottom: 20px;
    display: block;
    color: var(--gray-300);
}

.cause-icon svg {
    width: 36px;
    height: 36px;
}

.cause-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.cause-card p {
    font-size: 0.92rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 16px;
}

.cause-severity {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--gray-600);
}

.severity-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-500);
}

/* ===== ALERT BANNER ===== */
.alert-banner {
    display: flex;
    gap: 20px;
    padding: 28px 32px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 48px;
    align-items: flex-start;
}

.alert-icon {
    flex-shrink: 0;
    color: var(--white);
    display: flex;
    align-items: center;
}

.alert-icon svg {
    width: 32px;
    height: 32px;
}

.alert-content strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.alert-content p {
    font-size: 0.95rem;
    color: var(--gray-400);
}

/* ===== HYDRATION TRACKER ===== */
.hydration-section {
    padding: 40px 0 60px;
}

.hydration-tracker {
    display: flex;
    gap: 48px;
    align-items: center;
    flex-wrap: wrap;
}

.hydration-visual {
    flex-shrink: 0;
}

.water-bottle {
    width: 100px;
    height: 240px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 0 0 20px 20px;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.water-bottle::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 25%;
    right: 25%;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
}

.water-level {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0%;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.08));
    transition: height 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.water-label {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.hydration-controls {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hydration-btn {
    padding: 14px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.hydration-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.hydration-btn.reset {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.04);
    color: var(--gray-600);
    font-size: 0.8rem;
}

.hydration-btn.reset:hover {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.1);
}

.hydration-goal {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.goal-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    margin: 8px 0;
    overflow: hidden;
}

.goal-progress {
    height: 100%;
    width: 0%;
    background: var(--white);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.goal-text {
    font-weight: 600;
    color: var(--gray-300);
}

/* ===== BRAT DIET ===== */
.brat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.brat-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.brat-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.brat-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    color: var(--black);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.brat-card h4 {
    margin-bottom: 8px;
}

.brat-card p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ===== AVOID GRID ===== */
.avoid-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.avoid-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: var(--transition);
}

.avoid-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.avoid-icon {
    flex-shrink: 0;
    color: var(--gray-400);
    display: flex;
    align-items: center;
}

.avoid-icon svg {
    width: 18px;
    height: 18px;
}

/* ===== MEDICATIONS ===== */
.meds-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.med-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    flex-wrap: wrap;
}

.med-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.med-name {
    font-weight: 700;
    color: var(--white);
    min-width: 240px;
    font-size: 0.95rem;
}

.med-desc {
    flex: 1;
    min-width: 250px;
    font-size: 0.88rem;
    color: var(--gray-500);
}

.med-tag {
    padding: 4px 14px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.med-tag.urgent {
    background: var(--white);
    color: var(--black);
}

/* ===== DOCTOR ALERT ===== */
.doctor-alert {
    display: flex;
    gap: 24px;
    padding: 36px;
    border-radius: var(--radius-lg);
    background: var(--white);
    color: var(--black);
    align-items: flex-start;
    margin-bottom: 60px;
}

.doctor-alert-icon {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    color: var(--black);
}

.doctor-alert-icon svg {
    width: 40px;
    height: 40px;
}

.doctor-alert ul {
    list-style: none;
}

.doctor-alert li {
    padding: 8px 0;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding-left: 20px;
    position: relative;
    color: var(--gray-700);
}

.doctor-alert li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--gray-400);
}

.doctor-alert li strong {
    color: var(--black);
}

/* ===== MAP ===== */
.map-wrapper {
    margin-bottom: 48px;
}

.map-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.map-info {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.btn-icon {
    display: flex;
    align-items: center;
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

#map {
    width: 100%;
    height: 500px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: var(--gray-900);
    overflow: hidden;
}

.map-legend {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    font-size: 0.82rem;
    color: var(--gray-500);
}

.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

.legend-dot.toilet {
    background: var(--white);
}

.legend-dot.you {
    background: var(--gray-500);
    border: 2px solid var(--white);
}

/* Toilet list */
.toilet-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 40px;
}

.toilet-item {
    padding: 20px 24px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: var(--transition);
}

.toilet-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.toilet-item .toilet-name {
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}

.toilet-item .toilet-distance {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.toilet-item .toilet-details {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: 4px;
}

/* ===== TIPS GRID ===== */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding-bottom: 80px;
}

.tip-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.tip-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

.tip-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.06);
    display: block;
    margin-bottom: 12px;
    line-height: 1;
}

.tip-card h4 {
    margin-bottom: 8px;
}

.tip-card p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ===== FACTS GRID ===== */
.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.fact-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.fact-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.fact-icon {
    display: block;
    margin-bottom: 16px;
    color: var(--gray-300);
}

.fact-icon svg {
    width: 28px;
    height: 28px;
}

.fact-card p {
    font-size: 0.92rem;
    color: var(--gray-400);
    line-height: 1.7;
}

/* ===== QUIZ ===== */
.quiz-container {
    max-width: 700px;
    padding: 48px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 80px;
}

.quiz-progress {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    margin-bottom: 32px;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--white);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.quiz-question {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 24px;
    min-height: 48px;
}

.quiz-answers {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.quiz-answer {
    padding: 16px 20px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--gray-300);
    text-align: left;
}

.quiz-answer:hover:not(.answered) {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

.quiz-answer.correct {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.quiz-answer.wrong {
    border-color: rgba(255, 255, 255, 0.06);
    color: var(--gray-600);
    opacity: 0.6;
}

.quiz-feedback {
    font-size: 0.9rem;
    color: var(--gray-400);
    min-height: 24px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.quiz-nav {
    text-align: right;
}

.quiz-result {
    text-align: center;
    padding: 32px 0;
}

.quiz-result h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.quiz-score {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
    display: block;
    margin-bottom: 12px;
}

.quiz-result p {
    color: var(--gray-500);
    margin-bottom: 20px;
}

/* ===== FOOTER ===== */
.site-footer {
    padding: 60px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    margin-top: 40px;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

.footer-logo {
    font-size: 1.5rem;
}

.footer-disclaimer {
    font-size: 0.85rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto 16px;
    line-height: 1.6;
}

.footer-disclaimer strong {
    color: var(--gray-400);
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--gray-700);
}

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stats-grid .animate-on-scroll:nth-child(2) {
    transition-delay: 0.1s;
}

.stats-grid .animate-on-scroll:nth-child(3) {
    transition-delay: 0.2s;
}

.stats-grid .animate-on-scroll:nth-child(4) {
    transition-delay: 0.3s;
}

.causes-grid .animate-on-scroll:nth-child(2) {
    transition-delay: 0.05s;
}

.causes-grid .animate-on-scroll:nth-child(3) {
    transition-delay: 0.1s;
}

.causes-grid .animate-on-scroll:nth-child(4) {
    transition-delay: 0.15s;
}

.causes-grid .animate-on-scroll:nth-child(5) {
    transition-delay: 0.2s;
}

.causes-grid .animate-on-scroll:nth-child(6) {
    transition-delay: 0.25s;
}

.causes-grid .animate-on-scroll:nth-child(7) {
    transition-delay: 0.3s;
}

.causes-grid .animate-on-scroll:nth-child(8) {
    transition-delay: 0.35s;
}

.quick-nav-grid .animate-on-scroll:nth-child(2) {
    transition-delay: 0.1s;
}

.quick-nav-grid .animate-on-scroll:nth-child(3) {
    transition-delay: 0.2s;
}

.quick-nav-grid .animate-on-scroll:nth-child(4) {
    transition-delay: 0.3s;
}

/* Leaflet dark theme overrides */
.leaflet-tile {
    filter: invert(1) hue-rotate(180deg) brightness(0.9) contrast(1.2) grayscale(1);
}

.leaflet-control-zoom a {
    background: var(--gray-900) !important;
    color: var(--white) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.leaflet-control-attribution {
    background: rgba(10, 10, 10, 0.8) !important;
    color: var(--gray-600) !important;
    font-size: 0.65rem !important;
}

.leaflet-control-attribution a {
    color: var(--gray-500) !important;
}

.leaflet-popup-content-wrapper {
    background: var(--gray-900) !important;
    color: var(--gray-200) !important;
    border-radius: var(--radius) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
}

.leaflet-popup-tip {
    background: var(--gray-900) !important;
}

.leaflet-popup-content {
    font-family: var(--font-sans) !important;
    font-size: 0.85rem !important;
    line-height: 1.5 !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title-line {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .definition-block {
        padding: 32px 24px;
    }

    blockquote {
        font-size: 1.1rem;
    }

    .bristol-item {
        flex-direction: column;
        text-align: center;
    }

    .hydration-tracker {
        flex-direction: column;
    }

    .doctor-alert {
        flex-direction: column;
    }

    .med-item {
        flex-direction: column;
        gap: 8px;
    }

    .quiz-container {
        padding: 28px 20px;
    }

    .alert-banner {
        flex-direction: column;
    }

    #map {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 40px 0 80px;
}

.contact-card {
    text-align: center;
    padding: 60px 40px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 40px;
}

.contact-icon {
    margin-bottom: 24px;
    color: var(--gray-400);
}

.contact-card h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.contact-text {
    color: var(--gray-400);
    max-width: 550px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.contact-email {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    padding: 16px 40px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.contact-email:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

.contact-subtext {
    color: var(--gray-600);
    font-size: 0.85rem;
    margin-top: 20px;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.contact-info-card {
    padding: 32px 24px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.contact-info-card:hover {
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-4px);
}

.contact-info-icon {
    color: var(--gray-500);
    margin-bottom: 16px;
}

.contact-info-card h4 {
    color: var(--white);
    margin-bottom: 8px;
    font-size: 1rem;
}

.contact-info-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-email {
    margin: 8px 0;
}

.footer-email a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-email {
        font-size: 1.1rem;
        padding: 14px 28px;
    }
}