/* =========================================================
   Yayasan Eureka Cendekia Indonesia — style.css
   Palet: hijau lembut modern + teal sekunder + amber aksen
   ========================================================= */

/* ---------- 1. Token Desain ---------- */
:root {
    /* Warna utama — hijau lembut modern */
    --green-50:  #f0f9f3;
    --green-100: #dcf1e4;
    --green-200: #b7e2cb;
    --green-400: #56b287;
    --green-500: #3aa072;
    --green-600: #2f8f63;
    --green-700: #23724e;
    --green-800: #1a563c;
    --green-900: #0f3a28;

    /* Sekunder — teal dalam */
    --teal-600: #2a7d74;
    --teal-800: #174d47;

    /* Aksen — amber hangat */
    --amber-400: #eebc5a;
    --amber-500: #e0a83b;
    --amber-600: #c98f22;

    /* Netral */
    --ink:      #14261d;
    --ink-soft: #46584e;
    --paper:    #f6fbf8;
    --white:    #ffffff;

    /* Gradiasi */
    --grad-primary: linear-gradient(135deg, var(--green-600) 0%, var(--teal-600) 100%);
    --grad-hero:    linear-gradient(160deg, #eaf7ef 0%, #f6fbf8 45%, #eef8f2 100%);
    --grad-text:    linear-gradient(120deg, var(--green-600), var(--teal-600) 60%, var(--amber-500));
    --grad-dark:    linear-gradient(150deg, var(--green-900) 0%, var(--teal-800) 100%);

    /* Glass */
    --glass-bg:     rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.65);
    --glass-shadow: 0 8px 32px rgba(15, 58, 40, 0.10);

    /* Tipografi */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body:    'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

    /* Layout */
    --container: 1140px;
    --radius:    18px;
    --radius-lg: 26px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: inherit; }
ul  { list-style: none; }

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    color: var(--green-900);
}

h2 { font-size: clamp(1.75rem, 4vw, 2.6rem); }
h3 { font-size: 1.25rem; }

:focus-visible {
    outline: 3px solid var(--amber-500);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    width: min(var(--container), 100% - 2.5rem);
    margin-inline: auto;
}

/* ---------- 3. Utilitas Glass ---------- */
.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.78);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 16px 48px rgba(15, 58, 40, 0.12);
}

.glass-dark {
    background: rgba(255, 255, 255, 0.07);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.text-gradient {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- 4. Tombol ---------- */
.btn {
    display: inline-block;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
    background: var(--grad-primary);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(47, 143, 99, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(47, 143, 99, 0.45); }

.btn-ghost {
    background: transparent;
    color: var(--green-700);
    border: 2px solid var(--green-400);
}
.btn-ghost:hover { background: var(--green-100); }

.btn-light {
    background: var(--white);
    color: var(--green-800);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.875rem; }

/* ---------- 5. Header ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    padding: 0.9rem 0;
    transition: padding 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 24px rgba(15, 58, 40, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--green-700);
}

.brand-mark { display: grid; place-items: center; }

.brand-text { line-height: 1.1; }
.brand-text strong { font-size: 1.05rem; color: var(--green-900); display: block; }
.brand-text small  { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }

.site-nav { margin-left: auto; }

.site-nav ul {
    display: flex;
    gap: 0.25rem;
}

.site-nav a {
    display: block;
    padding: 0.5rem 0.85rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--ink-soft);
    text-decoration: none;
    border-radius: 999px;
    transition: color 0.2s, background 0.2s;
}

.site-nav a:hover {
    color: var(--green-700);
    background: var(--green-100);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    padding: 0.5rem;
    cursor: pointer;
}
.nav-toggle span {
    width: 24px; height: 2.5px;
    background: var(--green-800);
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
    position: relative;
    padding: clamp(8rem, 16vw, 11rem) 0 clamp(4rem, 8vw, 6rem);
    background: var(--grad-hero);
    overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.55;
}
.orb-1 { width: 420px; height: 420px; background: var(--green-200); top: -120px; right: -80px; }
.orb-2 { width: 340px; height: 340px; background: #cdeee0; bottom: -140px; left: -100px; }
.orb-3 { width: 220px; height: 220px; background: #f4e3bd; top: 40%; left: 55%; opacity: 0.45; }

.hero-inner {
    position: relative;
    max-width: 820px;
    text-align: center;
    margin-inline: auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--green-800);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.4rem, 6.5vw, 4.2rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    color: var(--teal-600);
    margin-bottom: 1.25rem;
}

.hero-desc {
    max-width: 640px;
    margin: 0 auto 2rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    gap: 0.9rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 620px;
    margin-inline: auto;
}

.stat-card {
    padding: 1.1rem 0.75rem;
    border-radius: var(--radius);
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 700;
    color: var(--green-700);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ink-soft);
    letter-spacing: 0.02em;
}

/* ---------- 7. Section Umum ---------- */
.section { padding: clamp(4rem, 9vw, 6.5rem) 0; }

.section-tint {
    background:
        radial-gradient(1000px 400px at 85% 0%, rgba(183, 226, 203, 0.35), transparent 60%),
        var(--green-50);
}

.section-head {
    max-width: 640px;
    margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--green-600);
    margin-bottom: 0.75rem;
}
.eyebrow-light { color: var(--amber-400); }

.section-sub {
    margin-top: 0.9rem;
    color: var(--ink-soft);
}

/* ---------- 8. Tentang ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
}

.about-text p { margin-bottom: 1.1rem; color: var(--ink-soft); }
.about-text strong, .about-text em { color: var(--ink); }

.about-card {
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    border-top: 4px solid var(--green-500);
}

.about-card h3 { margin-bottom: 1.1rem; }

.about-card dl div {
    display: grid;
    grid-template-columns: 118px 1fr;
    gap: 0.75rem;
    padding: 0.6rem 0;
    border-bottom: 1px dashed var(--green-200);
    font-size: 0.9rem;
}
.about-card dl div:last-child { border-bottom: 0; }
.about-card dt { font-weight: 700; color: var(--green-700); }
.about-card dd { color: var(--ink-soft); }

/* ---------- 9. Nilai ---------- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.1rem;
}

.value-card {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(15, 58, 40, 0.14);
}

.value-icon { font-size: 1.7rem; display: block; margin-bottom: 0.7rem; }
.value-card h3 { font-size: 1.08rem; margin-bottom: 0.45rem; }
.value-card p { font-size: 0.88rem; color: var(--ink-soft); }

/* ---------- 10. Program ---------- */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}

.program-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: 0 6px 28px rgba(15, 58, 40, 0.07);
    border-top: 5px solid var(--green-500);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.program-sosial      { border-top-color: var(--green-500); }
.program-agama       { border-top-color: var(--teal-600); }
.program-kemanusiaan { border-top-color: var(--amber-500); }

.program-head { display: flex; gap: 0.9rem; align-items: flex-start; }
.program-icon { font-size: 1.8rem; line-height: 1; }
.program-head h3 { margin-bottom: 0.3rem; }
.program-head p { font-size: 0.88rem; color: var(--ink-soft); }

.program-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    font-size: 0.9rem;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--green-50);
}
.program-list li:last-child { border-bottom: 0; }
.program-list li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--green-500);
}
.program-agama .program-list li::before       { color: var(--teal-600); }
.program-kemanusiaan .program-list li::before { color: var(--amber-500); }

/* ---------- 11. Kerja Sama (dark) ---------- */
.section-dark {
    background:
        radial-gradient(900px 500px at 15% 10%, rgba(86, 178, 135, 0.22), transparent 60%),
        radial-gradient(700px 400px at 90% 90%, rgba(224, 168, 59, 0.14), transparent 60%),
        var(--grad-dark);
    color: #e8f4ec;
}

.section-dark h2 { color: var(--white); }
.section-dark .section-sub { color: rgba(232, 244, 236, 0.8); }

.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.1rem;
    margin-bottom: 3rem;
}

.partner-card {
    padding: 1.6rem 1.4rem;
    border-radius: var(--radius);
    transition: background 0.25s ease, transform 0.25s ease;
}

.partner-card:hover {
    background: rgba(255, 255, 255, 0.13);
    transform: translateY(-4px);
}

.partner-num {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--amber-400);
}

.partner-card h3 {
    color: var(--white);
    font-size: 1.05rem;
    margin: 0.55rem 0 0.5rem;
}

.partner-card p { font-size: 0.87rem; color: rgba(232, 244, 236, 0.78); }

.cta-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 1.6rem 2rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.cta-band p {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--white);
}

/* ---------- 12. Organisasi ---------- */
.org-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}

.org-card {
    padding: 1.6rem;
    border-radius: var(--radius-lg);
}

.org-card h3 {
    padding-bottom: 0.8rem;
    margin-bottom: 0.6rem;
    border-bottom: 2px solid var(--green-200);
}

.org-card li {
    display: flex;
    flex-direction: column;
    padding: 0.65rem 0;
    border-bottom: 1px dashed var(--green-100);
}
.org-card li:last-child { border-bottom: 0; }

.org-role {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green-600);
}

.org-name { font-weight: 600; color: var(--ink); }

/* ---------- 13. Kontak ---------- */
.contact-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    padding: clamp(1.75rem, 5vw, 3rem);
    border-radius: var(--radius-lg);
    border-left: 5px solid var(--green-500);
}

.contact-info h2 { margin-bottom: 1rem; }

.contact-info address {
    font-style: normal;
    color: var(--ink-soft);
    margin-bottom: 1.25rem;
}

.contact-links { display: flex; flex-direction: column; gap: 0.4rem; }

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--green-700);
    text-decoration: none;
    width: fit-content;
}
.contact-link:hover { text-decoration: underline; }

.contact-cta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.25rem;
    padding: 1.5rem;
    border-radius: var(--radius);
    background: linear-gradient(140deg, var(--green-100), #eaf6ef);
}

.contact-cta p { color: var(--ink-soft); font-size: 0.95rem; }
.contact-cta .btn { width: fit-content; }

/* ---------- 14. Footer ---------- */
.site-footer {
    background: var(--green-900);
    color: rgba(232, 244, 236, 0.75);
    padding: 2.75rem 0;
}

.footer-inner {
    display: grid;
    gap: 1.5rem;
    text-align: center;
    justify-items: center;
}

.footer-brand strong { color: var(--white); font-size: 1.05rem; }
.footer-brand p { font-size: 0.82rem; letter-spacing: 0.06em; margin-top: 0.3rem; }

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 1.35rem;
}

.footer-nav a {
    font-size: 0.88rem;
    text-decoration: none;
    color: rgba(232, 244, 236, 0.75);
}
.footer-nav a:hover { color: var(--amber-400); }

.footer-legal {
    font-size: 0.78rem;
    max-width: 560px;
    color: rgba(232, 244, 236, 0.55);
}

/* ---------- 15. Responsif ---------- */
@media (max-width: 960px) {
    .programs-grid,
    .org-grid { grid-template-columns: 1fr 1fr; }

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

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

@media (max-width: 720px) {
    .header-cta { display: none; }
    .nav-toggle { display: flex; margin-left: auto; }

    .site-nav {
        position: fixed;
        top: 64px;
        left: 1rem;
        right: 1rem;
        margin-left: 0;
        border-radius: var(--radius);
        background: rgba(255, 255, 255, 0.92);
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
        box-shadow: 0 20px 50px rgba(15, 58, 40, 0.18);
        padding: 0.75rem;
        opacity: 0;
        transform: translateY(-12px);
        pointer-events: none;
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .site-nav.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .site-nav ul { flex-direction: column; }
    .site-nav a { padding: 0.8rem 1rem; font-size: 1rem; }

    .programs-grid,
    .org-grid { grid-template-columns: 1fr; }

    .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
    .stat-label { font-size: 0.7rem; }

    .cta-band { justify-content: center; text-align: center; }
}

@media (max-width: 420px) {
    .hero-stats { grid-template-columns: 1fr; }
    .about-card dl div { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* ---------- 16. Aksesibilitas: kurangi gerak ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}