/* ────────────────────────────────────────────────
   TeenzNet — 2026 vanilla PHP build
   Design language: warm coral + indigo accents,
                    Plus Jakarta Sans + Inter, soft cards.
   ──────────────────────────────────────────────── */

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

:root{
    --coral-50:#fff4ec;
    --coral-100:#ffe1cc;
    --coral-200:#ffc59a;
    --coral-300:#ffa365;
    --coral-400:#ff8538;
    --coral-500:#f97316;
    --coral-600:#ea580c;
    --coral-700:#c2410c;

    --indigo-100:#e0e7ff;
    --indigo-500:#6366f1;
    --indigo-600:#4f46e5;
    --indigo-700:#4338ca;

    --emerald-100:#d1fae5;
    --emerald-500:#10b981;
    --emerald-600:#059669;

    --ink-900:#0c0a09;
    --ink-800:#1c1917;
    --ink-700:#292524;
    --ink-600:#44403c;
    --ink-500:#78716c;
    --ink-400:#a8a29e;
    --ink-300:#d6d3d1;
    --ink-200:#e7e5e4;
    --ink-100:#f5f5f4;
    --ink-50:#fafaf9;

    --bg:#fffaf5;
    --card:#ffffff;
    --border:#f1ece6;

    --shadow-sm:0 1px 2px rgba(28,25,23,.06);
    --shadow-md:0 6px 24px -8px rgba(249,115,22,.18), 0 2px 8px rgba(28,25,23,.06);
    --shadow-lg:0 24px 48px -12px rgba(249,115,22,.22), 0 8px 16px rgba(28,25,23,.08);

    --radius-sm:8px;
    --radius:14px;
    --radius-lg:20px;
    --radius-pill:999px;

    --space-1:.25rem;
    --space-2:.5rem;
    --space-3:.75rem;
    --space-4:1rem;
    --space-5:1.5rem;
    --space-6:2rem;
    --space-7:3rem;
    --space-8:4rem;
    --space-9:6rem;

    --font-sans:'Inter','Helvetica Neue',Arial,sans-serif;
    --font-display:'Plus Jakarta Sans','Inter',sans-serif;

    --container:1180px;
}

html{scroll-behavior:smooth}
body{
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.6;
    color:var(--ink-800);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:var(--coral-600);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--coral-700)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.2;color:var(--ink-900);letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.5rem)}
h2{font-size:clamp(1.75rem,3.5vw,2.5rem)}
h3{font-size:clamp(1.25rem,2vw,1.5rem)}
p{color:var(--ink-700)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--space-5)}

/* ── NAVBAR ── */
.navbar{
    position:sticky;top:0;z-index:50;
    background:rgba(255,250,245,.85);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.625rem;font-family:var(--font-display);font-weight:800;color:var(--ink-900);font-size:1.125rem}
.brand-logo{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--coral-500),var(--coral-700));display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:var(--shadow-sm)}
.nav-links{display:none;align-items:center;gap:1.5rem}
.nav-link{color:var(--ink-700);font-weight:500;font-size:.9375rem;position:relative;padding:.25rem 0}
.nav-link:hover{color:var(--ink-900)}
.nav-link.active{color:var(--coral-600)}
.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--coral-500);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:.5rem}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer;color:var(--ink-800)}

/* ── DROPDOWN ── */
.nav-dropdown{position:relative}
.nav-dropdown .nav-menu{
    position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-6px);
    background:#fff;border:1px solid var(--border);
    border-radius:var(--radius);box-shadow:var(--shadow-md);
    padding:.5rem;min-width:240px;opacity:0;pointer-events:none;
    transition:opacity .15s ease, transform .15s ease;
    z-index:60;
}
.nav-dropdown .nav-menu::before{
    content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(45deg);
    width:12px;height:12px;background:#fff;border-left:1px solid var(--border);border-top:1px solid var(--border);
}
.nav-dropdown:hover .nav-menu,
.nav-dropdown:focus-within .nav-menu{
    opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.nav-dropdown .nav-menu a{
    display:block;padding:.625rem .875rem;border-radius:var(--radius-sm);
    color:var(--ink-800);font-size:.9375rem;font-weight:500;
}
.nav-dropdown .nav-menu a:hover{background:var(--coral-50);color:var(--coral-700)}

@media (min-width:960px){
    .nav-links{display:flex}
    .menu-toggle{display:none}
}
@media (max-width:959px){
    .nav-dropdown .nav-menu{
        position:static;transform:none;opacity:1;pointer-events:auto;
        background:transparent;border:0;box-shadow:none;padding:.25rem 0 .25rem 1rem;
        min-width:0;
    }
    .nav-dropdown .nav-menu::before{display:none}
    .nav-dropdown .nav-menu a{padding:.375rem 0;color:var(--ink-600);font-size:.875rem}
}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:var(--radius-pill);border:0;font-family:var(--font-sans);font-weight:600;font-size:.9375rem;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;text-decoration:none;line-height:1}
.btn-primary{background:var(--coral-500);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--coral-600);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--ink-900);border:1px solid var(--ink-300)}
.btn-outline:hover{background:var(--ink-100);color:var(--ink-900);border-color:var(--ink-400)}
.btn-ghost{background:transparent;color:var(--ink-700)}
.btn-ghost:hover{background:var(--ink-100)}
.btn-lg{padding:1rem 1.75rem;font-size:1rem}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* ── HERO CAROUSEL ── */
.hero{position:relative;overflow:hidden;background:#000}
.hero-slides{display:grid;grid-template-areas:"slide"}
.hero-slide{grid-area:slide;opacity:0;transition:opacity 1.2s ease;position:relative;display:grid;align-items:center;min-height:540px}
.hero-slide.active{opacity:1;z-index:1}
.hero-slide::before{content:'';position:absolute;inset:0;background:
    linear-gradient(120deg,rgba(28,25,23,.85) 0%,rgba(28,25,23,.55) 40%,rgba(28,25,23,.2) 100%);z-index:1}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-content{position:relative;z-index:2;color:#fff;padding:5rem 0;max-width:660px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.14);backdrop-filter:blur(8px);color:#fff;padding:.5rem 1rem;border-radius:var(--radius-pill);font-size:.8125rem;font-weight:600;margin-bottom:1.25rem;border:1px solid rgba(255,255,255,.18)}
.hero-eyebrow .dot{width:8px;height:8px;background:var(--coral-400);border-radius:50%}
.hero h1{color:#fff;font-size:clamp(2.25rem,5vw,3.75rem);margin-bottom:1rem}
.hero p{color:rgba(255,255,255,.85);font-size:1.0625rem;margin-bottom:2rem;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.hero-dots{position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:.5rem}
.hero-dot{width:32px;height:3px;background:rgba(255,255,255,.35);border:0;cursor:pointer;border-radius:2px;transition:background .2s ease}
.hero-dot.active{background:var(--coral-400)}

/* ── SECTIONS ── */
.section{padding:var(--space-9) 0}
.section-tight{padding:var(--space-7) 0}
.section-eyebrow{display:inline-block;color:var(--coral-600);font-weight:600;font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.625rem}
.section-title{margin-bottom:1rem;max-width:32ch}
.section-intro{color:var(--ink-600);font-size:1.0625rem;max-width:60ch;margin-bottom:var(--space-6)}

/* ── CARDS / FEATURES ── */
.grid{display:grid;gap:var(--space-5)}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media (min-width:720px){
    .grid-2{grid-template-columns:repeat(2,1fr)}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:960px){
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(4,1fr)}
}

.feature{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:var(--space-5);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--coral-200)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--coral-50);color:var(--coral-600);display:grid;place-items:center;margin-bottom:1rem;font-size:1.375rem}
.feature h3{margin-bottom:.5rem;font-size:1.125rem}
.feature p{color:var(--ink-600);font-size:.9375rem;line-height:1.55}

/* ── SPLIT (image + text) ── */
.split{display:grid;grid-template-columns:1fr;gap:var(--space-7);align-items:center}
@media (min-width:880px){.split{grid-template-columns:1fr 1fr}}
.split-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;aspect-ratio:4/3}
.split-img img{width:100%;height:100%;object-fit:cover}
.split-img.badge::after{content:'';position:absolute;inset:0;border-radius:var(--radius-lg);box-shadow:inset 0 0 0 1px rgba(255,255,255,.4)}

/* ── STATS ── */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-5)}
@media (min-width:720px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:var(--space-5);background:linear-gradient(180deg,var(--coral-50),#fff);border-radius:var(--radius);border:1px solid var(--coral-100);text-align:center}
.stat-num{font-family:var(--font-display);font-size:2rem;font-weight:800;color:var(--coral-700);line-height:1}
.stat-label{color:var(--ink-600);font-size:.875rem;margin-top:.375rem}

/* ── FORM CARD ── */
.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-sm)}
.form-card h2{margin-bottom:.5rem}
.form-card .lead{color:var(--ink-600);margin-bottom:var(--space-5)}
.form-row{display:grid;grid-template-columns:1fr;gap:var(--space-4)}
@media (min-width:680px){.form-row{grid-template-columns:1fr 1fr}}
.form-row.full{grid-template-columns:1fr}
.form-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:var(--space-4)}
.form-group label{font-size:.875rem;font-weight:600;color:var(--ink-800)}
.form-group input,
.form-group select,
.form-group textarea{
    padding:.75rem .875rem;border-radius:var(--radius-sm);border:1px solid var(--ink-200);
    font-family:inherit;font-size:.9375rem;color:var(--ink-900);background:#fff;
    transition:border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
    outline:none;border-color:var(--coral-400);
    box-shadow:0 0 0 3px rgba(249,115,22,.15);
}
.form-group textarea{min-height:120px;resize:vertical}
.form-error{color:#b91c1c;font-size:.8125rem;background:#fef2f2;border:1px solid #fecaca;padding:.5rem .75rem;border-radius:var(--radius-sm);margin-top:.5rem;display:none}
.form-error.show{display:block}
.form-success{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;padding:.75rem 1rem;border-radius:var(--radius-sm);margin-top:.75rem;display:none}
.form-success.show{display:block}
.form-actions{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-top:var(--space-4)}

/* ── PAGE BANNER (non-home pages) ── */
.page-banner{position:relative;padding:5rem 0 4rem;background:linear-gradient(135deg,var(--ink-900),var(--ink-700));color:#fff;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 50%,rgba(249,115,22,.25),transparent 60%)}
.page-banner-inner{position:relative;z-index:1}
.page-banner h1{color:#fff;margin-bottom:.625rem}
.page-banner .breadcrumb{display:flex;gap:.375rem;color:rgba(255,255,255,.65);font-size:.875rem;align-items:center}
.page-banner .breadcrumb a{color:rgba(255,255,255,.75)}
.page-banner .breadcrumb a:hover{color:#fff}

/* ── GALLERY ── */
.gallery-year{margin-bottom:var(--space-6)}
.gallery-year h2{display:flex;align-items:baseline;gap:.5rem;margin-bottom:var(--space-4)}
.gallery-year h2 .yr-chip{font-size:.875rem;background:var(--coral-100);color:var(--coral-700);padding:.25rem .625rem;border-radius:var(--radius-pill)}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}
@media (min-width:720px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:960px){.gallery-grid{grid-template-columns:repeat(4,1fr)}}
.gallery-item{position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:1;background:var(--ink-100)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item .caption{position:absolute;left:0;right:0;bottom:0;padding:.875rem;color:#fff;font-size:.8125rem;font-weight:500;background:linear-gradient(180deg,transparent,rgba(0,0,0,.7))}

/* ── FOOTER ── */
.footer{background:var(--ink-900);color:rgba(255,255,255,.7);padding:var(--space-8) 0 var(--space-5);margin-top:var(--space-9)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:var(--space-5);margin-bottom:var(--space-6)}
@media (min-width:720px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer h4{color:#fff;font-size:.875rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem}
.footer a{color:rgba(255,255,255,.7);display:inline-block;padding:.25rem 0;font-size:.9375rem}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:var(--space-5);text-align:center;color:rgba(255,255,255,.5);font-size:.8125rem}
.footer-brand{display:flex;align-items:center;gap:.625rem;color:#fff;font-family:var(--font-display);font-weight:800;font-size:1.125rem;margin-bottom:1rem}

/* ── AUTH PAGE ── */
.auth-page{min-height:100vh;display:grid;grid-template-columns:1fr;background:linear-gradient(135deg,var(--coral-50) 0%,#fff 60%)}
@media (min-width:960px){.auth-page{grid-template-columns:1.1fr 1fr}}
.auth-hero{display:none;position:relative;overflow:hidden}
@media (min-width:960px){.auth-hero{display:block}}
.auth-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--ink-900),var(--ink-800));z-index:0}
.auth-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45;z-index:0}
.auth-hero-content{position:relative;z-index:1;padding:var(--space-9);color:#fff;height:100%;display:flex;flex-direction:column;justify-content:space-between}
.auth-hero h2{color:#fff;font-size:2rem;line-height:1.1;margin-bottom:1rem}
.auth-form{display:flex;align-items:center;justify-content:center;padding:var(--space-6)}
.auth-card{width:100%;max-width:420px}
.auth-card h1{font-size:1.75rem;margin-bottom:.5rem}
.auth-card .sub{color:var(--ink-600);margin-bottom:var(--space-5)}

/* ── DASHBOARD STRIP ── */
.dash-strip{background:var(--ink-900);color:#fff;padding:var(--space-6) 0;margin-bottom:var(--space-6)}
.dash-strip h1{color:#fff}

/* ── UTILITIES ── */
.text-center{text-align:center}
.mt-3{margin-top:var(--space-3)}
.mt-4{margin-top:var(--space-4)}
.mt-5{margin-top:var(--space-5)}
.mb-5{margin-bottom:var(--space-5)}
.flex{display:flex}
.flex-center{display:flex;align-items:center;justify-content:center}
.gap-2{gap:.5rem}
.gap-3{gap:.75rem}
.hidden{display:none}

/* ── LOADER ── */
.loader{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
.loader.dark{border-color:rgba(0,0,0,.2);border-top-color:var(--coral-600)}
@keyframes spin{to{transform:rotate(360deg)}}