/* =========================================================
   SISTEMA DE DISSENY
   Comunitat General de Regants Canal Segarra-Garrigues
   v2 — escala estricta · ritme vertical · responsive
   ========================================================= */

/* ---------- TOKENS ---------- */
:root {
    /* Colors de marca */
    --color-primary: #0b1e63;
    --color-primary-dark: #061447;
    --color-primary-light: #1e3a8a;
    --color-accent: #f7b500;
    --color-accent-dark: #d99a00;
    --color-water: #4FC3F7;
    --color-water-dark: #0d8bc4;

    /* Neutres */
    --color-white: #ffffff;
    --color-bg: #f5f8fb;
    --color-bg-alt: #eef2f7;
    --color-border: #d6dee8;
    --color-border-strong: #b6c1cf;
    --color-text-light: #5a6b80;
    --color-text: #1a2332;
    --color-text-strong: #0a1019;

    /* Semàntic */
    --color-success: #16a34a;
    --color-success-bg: #ecfdf5;
    --color-warning: #ea9b03;
    --color-warning-bg: #fffbeb;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-info: #0284c7;
    --color-info-bg: #f0f9ff;

    /* Tipografia */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 1.875rem;
    --fs-3xl: 2.25rem;
    --fs-4xl: 3rem;
    --lh-tight: 1.2;
    --lh-snug: 1.4;
    --lh-normal: 1.6;
    --lh-loose: 1.75;

    /* Espaiat (escala 4px) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Radis */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-pill: 999px;

    /* Ombres */
    --shadow-xs: 0 1px 2px rgba(10, 16, 25, 0.06);
    --shadow-sm: 0 2px 8px rgba(11, 30, 99, 0.08);
    --shadow-md: 0 6px 18px rgba(11, 30, 99, 0.10);
    --shadow-lg: 0 14px 36px rgba(11, 30, 99, 0.16);
    --shadow-xl: 0 24px 60px rgba(11, 30, 99, 0.20);

    /* Transicions */
    --t-fast: 0.15s ease;
    --t-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout — només DOS ample canonics */
    --container-max: 1200px;
    --measure: 720px;
    --header-h: 76px;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; background: none; border: 0; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--color-primary-light); }
ul, ol { list-style: none; }

/* ---------- TIPOGRAFIA ---------- */
h1, .h1 { font-size: clamp(1.875rem, 2vw + 1.2rem, 2.75rem); line-height: var(--lh-tight); font-weight: 700; letter-spacing: -0.02em; color: var(--color-text-strong); }
h2, .h2 { font-size: clamp(1.5rem, 1.5vw + 1rem, 2.25rem); line-height: var(--lh-tight); font-weight: 600; letter-spacing: -0.015em; color: var(--color-text-strong); }
h3, .h3 { font-size: var(--fs-xl); line-height: var(--lh-snug); font-weight: 600; color: var(--color-text-strong); }
h4, .h4 { font-size: var(--fs-lg); line-height: var(--lh-snug); font-weight: 600; }
h5, .h5 { font-size: var(--fs-md); line-height: var(--lh-snug); font-weight: 600; }
h6, .h6 { font-size: var(--fs-sm); line-height: var(--lh-snug); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-light); }

.text-lead { font-size: var(--fs-md); line-height: var(--lh-loose); color: var(--color-text-light); font-weight: 300; }
.text-small { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.text-muted { color: var(--color-text-light); }
.text-strong { color: var(--color-text-strong); font-weight: 600; }
.text-center { text-align: center; }

/* ---------- LAYOUT (única font de veritat) ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-5);
}
.measure {
    max-width: var(--measure);
    margin-left: auto;
    margin-right: auto;
}

/* Section: ritme vertical CANONIC */
.section {
    padding: clamp(var(--space-10), 6vw, var(--space-20)) 0;
}
.section--alt { background: var(--color-bg); }
.section--dark { background: var(--color-primary-dark); color: var(--color-white); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-white); }

.section-header {
    text-align: center;
    margin-bottom: clamp(var(--space-6), 3vw, var(--space-10));
}
.eyebrow {
    display: inline-block;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-dark);
    font-weight: 700;
    margin-bottom: 0;
}
.section-header .eyebrow { margin-bottom: var(--space-3); }
.section-header h2 { max-width: 720px; margin: 0 auto var(--space-3); }
.section-header p { max-width: 640px; margin: 0 auto; color: var(--color-text-light); font-size: var(--fs-md); }

/* Stack vertical — separació uniforme entre fills */
.stack > * + * { margin-top: var(--space-4); }
.stack-lg > * + * { margin-top: var(--space-6); }
.stack-xl > * + * { margin-top: var(--space-8); }

/* Split (imatge + text) */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(var(--space-6), 4vw, var(--space-12));
    align-items: center;
}
.split--reverse > :first-child { order: 2; }
.split img,
.split .split-media {
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
@media (max-width: 768px) {
    .split { grid-template-columns: 1fr; }
    .split--reverse > :first-child { order: 0; }
}

/* ---------- BOTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.5rem;
    font-size: var(--fs-base);
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--t-base);
    text-decoration: none;
    white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid rgba(11, 30, 99, 0.3); outline-offset: 2px; }
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-primary-light); color: var(--color-white); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--color-accent); color: var(--color-text-strong); }
.btn-secondary:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); color: var(--color-text-strong); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }
.btn-outline-light { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.5); }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); color: var(--color-white); border-color: var(--color-white); }
.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-bg-alt); }
.btn-sm { padding: 0.5rem 1rem; font-size: var(--fs-sm); }
.btn-lg { padding: 1rem 2rem; font-size: var(--fs-md); }
.btn[disabled], .btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ---------- BADGES ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.3rem 0.7rem;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-pill);
}
.badge-primary { background: rgba(11, 30, 99, 0.1); color: var(--color-primary); }
.badge-accent { background: rgba(247, 181, 0, 0.18); color: var(--color-accent-dark); }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-light { background: rgba(255,255,255,0.15); color: var(--color-white); border: 1px solid rgba(255,255,255,0.25); }

/* ---------- FORMULARIS ---------- */
.form-group + .form-group { margin-top: var(--space-5); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); }
.form-label { display: block; font-size: var(--fs-sm); font-weight: 500; color: var(--color-text); margin-bottom: var(--space-2); }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    font: inherit;
    font-size: var(--fs-base);
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 30, 99, 0.12);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-light); }
.form-textarea { min-height: 130px; resize: vertical; }
.form-help { font-size: var(--fs-xs); color: var(--color-text-light); margin-top: var(--space-1); }
.form-check { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--fs-sm); cursor: pointer; }
.form-check input[type="checkbox"], .form-check input[type="radio"] { width: 18px; height: 18px; accent-color: var(--color-primary); }

/* ---------- CARDS ---------- */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--t-base);
    display: flex;
    flex-direction: column;
}
.card-link { text-decoration: none; color: inherit; }
.card-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-accent); color: inherit; }
.card-body { padding: var(--space-6); flex: 1; display: flex; flex-direction: column; }
.card-image { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card .card-body > * + * { margin-top: var(--space-3); }
.card .card-body .card-cta { margin-top: auto; padding-top: var(--space-4); }

.card-icon {
    width: 48px; height: 48px;
    background: rgba(247, 181, 0, 0.18);
    color: var(--color-accent-dark);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 0;
}
.card-icon--primary { background: rgba(11, 30, 99, 0.08); color: var(--color-primary); }

/* Card-grid uniformitzat */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
}

/* ---------- ALERTES ---------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    font-size: var(--fs-sm);
}
.alert-success { background: var(--color-success-bg); border-color: var(--color-success); color: #065f46; }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: #92400e; }
.alert-error { background: var(--color-error-bg); border-color: var(--color-error); color: #991b1b; }
.alert-info { background: var(--color-info-bg); border-color: var(--color-info); color: #075985; }

/* ---------- HEADER ---------- */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
    position: sticky;
    top: 0;
    z-index: 50;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: var(--space-4);
}
.site-logo { flex-shrink: 0; }
.site-logo img { height: 44px; width: auto; }
.site-nav {
    display: flex;
    gap: var(--space-6);
    margin: 0;
}
.site-nav a {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--fs-sm);
    padding: var(--space-2) 0;
    position: relative;
}
.site-nav a:hover { color: var(--color-primary); }
.site-nav a.active { color: var(--color-primary); }
.site-nav a.active::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 2px;
    background: var(--color-accent);
}
.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    color: var(--color-text);
    border-radius: var(--radius-md);
}
.nav-toggle:hover { background: var(--color-bg); }
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 980px) {
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .site-nav {
        position: fixed;
        top: var(--header-h);
        left: 0; right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        gap: 0;
        padding: var(--space-3) 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--t-base);
    }
    .site-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
    .site-nav a {
        padding: var(--space-3) var(--space-5);
        width: 100%;
        font-size: var(--fs-base);
    }
    .site-nav a.active::after { display: none; }
    .site-nav a.active { background: var(--color-bg); }
}

/* ---------- HERO HOME ---------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 80% 30%, rgba(79, 195, 247, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 10% 80%, rgba(247, 181, 0, 0.10) 0%, transparent 45%);
    pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 { color: var(--color-white); margin-bottom: var(--space-5); max-width: 800px; }
.hero .hero-lead { color: rgba(255, 255, 255, 0.92); font-size: var(--fs-md); max-width: 720px; line-height: var(--lh-loose); margin-bottom: var(--space-8); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- PAGE HERO (pàgines interiors) ---------- */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: clamp(var(--space-10), 6vw, var(--space-16)) 0;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 85% 50%, rgba(79, 195, 247, 0.15) 0%, transparent 50%);
    pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--color-white); margin-bottom: var(--space-3); }
.page-hero .page-lead {
    color: rgba(255, 255, 255, 0.88);
    font-size: var(--fs-md);
    max-width: 720px;
    line-height: var(--lh-loose);
}
.breadcrumbs {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-4);
}
.breadcrumbs a { color: rgba(255, 255, 255, 0.85); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs span.sep { margin: 0 var(--space-2); opacity: 0.5; }

/* ---------- PROSE (lectura llarga) ---------- */
.prose { max-width: var(--measure); margin: 0 auto; }
.prose > * + * { margin-top: var(--space-5); }
.prose h2 { margin-top: var(--space-10); margin-bottom: var(--space-3); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: var(--space-8); margin-bottom: var(--space-2); }
.prose p { line-height: var(--lh-loose); }
.prose blockquote {
    border-left: 4px solid var(--color-accent);
    padding: var(--space-3) 0 var(--space-3) var(--space-5);
    margin: var(--space-8) 0;
    font-size: var(--fs-md);
    color: var(--color-text);
    font-style: italic;
    line-height: var(--lh-loose);
}
.prose ul, .prose ol { padding-left: var(--space-6); }
.prose li + li { margin-top: var(--space-2); }
.prose ul li { list-style: disc; }
.prose ol li { list-style: decimal; }

/* ---------- LLISTA DE NOTÍCIES ---------- */
.news-list > * + * { border-top: 1px solid var(--color-border); }
.news-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-5) 0;
}
.news-date {
    flex-shrink: 0;
    background: var(--color-bg);
    color: var(--color-primary);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-align: center;
    min-width: 92px;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.news-date strong { display: block; font-size: var(--fs-lg); color: var(--color-text-strong); font-weight: 700; }
.news-content { flex: 1; min-width: 0; }
.news-content h3 { font-size: var(--fs-md); margin-bottom: var(--space-2); }
.news-content h3 a { color: var(--color-text-strong); }
.news-content h3 a:hover { color: var(--color-primary); }
.news-source {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--fs-sm);
    color: var(--color-text-light);
}
.news-source::before {
    content: '↗';
    color: var(--color-accent-dark);
    font-weight: 700;
}

/* ---------- CTA BANNER ---------- */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: clamp(var(--space-8), 5vw, var(--space-12)) clamp(var(--space-5), 4vw, var(--space-10));
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.cta-banner h2 { color: var(--color-white); margin-bottom: var(--space-3); max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-banner p { color: rgba(255, 255, 255, 0.9); margin-bottom: var(--space-6); max-width: 600px; margin-left: auto; margin-right: auto; }

/* ---------- PLACEHOLDER (per pàgines en preparació) ---------- */
.placeholder-card {
    background: var(--color-white);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
    text-align: center;
}
.placeholder-card .placeholder-icon {
    width: 64px; height: 64px;
    margin: 0 auto var(--space-4);
    background: var(--color-bg);
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
}
.placeholder-card h3 { margin-bottom: var(--space-2); }
.placeholder-card p { color: var(--color-text-light); font-size: var(--fs-sm); margin-bottom: var(--space-4); }

/* ---------- DOC LINK (referencia a document) ---------- */
.doc-link {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--t-base);
}
.doc-link:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.doc-link-icon {
    flex-shrink: 0;
    width: 56px; height: 56px;
    background: rgba(11,30,99,0.08);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
}
.doc-link-body { flex: 1; min-width: 0; }
.doc-link-body h4 { margin-bottom: var(--space-1); }
.doc-link-body p { color: var(--color-text-light); font-size: var(--fs-sm); }

/* ---------- FOOTER ---------- */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: clamp(var(--space-10), 5vw, var(--space-16)) 0 var(--space-6);
}
.site-footer a { color: rgba(255, 255, 255, 0.85); }
.site-footer a:hover { color: var(--color-accent); }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(var(--space-6), 3vw, var(--space-10));
    margin-bottom: var(--space-10);
}
.footer-logo {
    height: 44px;
    width: auto;
    background: var(--color-white);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
}
.footer-col h5 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
    font-size: var(--fs-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-col ul li { margin-bottom: var(--space-2); font-size: var(--fs-sm); }
.footer-col p { font-size: var(--fs-sm); line-height: var(--lh-loose); opacity: 0.85; }
.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
}

/* ---------- UTILITATS ---------- */
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.section-footer { text-align: center; margin-top: clamp(var(--space-6), 3vw, var(--space-10)); }
.break-word { word-break: break-word; overflow-wrap: anywhere; }

@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;
    }
}