/* ============================================================================
   landing.css — Liquid Glass (iOS-style) design language untuk landing page.
   Gradient mesh background + panel kaca buram (backdrop-filter). Font: Urbanist.
   ========================================================================== */

:root {
    --ink:       #13203a;
    --ink-soft:  #5a6b85;
    --blue:      #2f7bf6;
    --teal:      #19b8c4;
    --orange:    #ff7a1a;
    --green:     #2bb673;
    --red:       #ff5557;
    --violet:    #7b7bff;

    --glass:     rgba(255,255,255,.55);
    --glass-2:   rgba(255,255,255,.40);
    --glass-brd: rgba(255,255,255,.75);
    --glass-shadow: 0 12px 40px rgba(20,40,80,.14), inset 0 1px 0 rgba(255,255,255,.65);
    --glass-shadow-lg: 0 24px 70px rgba(20,40,80,.20), inset 0 1px 0 rgba(255,255,255,.7);

    --radius:    20px;
    --radius-lg: 30px;
    --blur:      blur(22px) saturate(1.7);
    --font: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font); color: var(--ink); line-height: 1.5;
    min-height: 100vh; overflow-x: hidden; -webkit-font-smoothing: antialiased;
    position: relative;
}
/* gradient mesh background (fixed) */
body::before {
    content: ""; position: fixed; inset: 0; z-index: -2;
    background:
        radial-gradient(42% 55% at 14% 18%, rgba(90,180,255,.60), transparent 70%),
        radial-gradient(46% 56% at 86% 12%, rgba(123,123,255,.42), transparent 70%),
        radial-gradient(52% 60% at 82% 86%, rgba(255,140,40,.50), transparent 72%),
        radial-gradient(48% 58% at 8% 92%, rgba(40,210,180,.42), transparent 72%),
        linear-gradient(160deg, #eef3f8, #e7edf4);
}

h1, h2, h3 { font-weight: 800; letter-spacing: -.02em; line-height: 1.04; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(1180px, 92vw); margin-inline: auto; }
.eyebrow { font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }

/* glass helper */
.glass { background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); }

/* ---- buttons ---- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px; cursor: pointer;
    font-family: var(--font); font-weight: 700; font-size: 1rem; padding: 14px 26px;
    border-radius: 100px; border: 1px solid transparent;
    transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .2s;
}
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 10px 26px rgba(19,32,58,.35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(19,32,58,.42); }
.btn-accent { background: linear-gradient(135deg, var(--orange), #ff5e62); color: #fff; box-shadow: 0 10px 28px rgba(255,110,60,.45); }
.btn-accent:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 40px rgba(255,110,60,.55); }
.btn-ghost { background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--glass-brd); color: var(--ink); box-shadow: var(--glass-shadow); }
.btn-ghost:hover { transform: translateY(-2px); background: rgba(255,255,255,.7); }
.btn-lg { padding: 18px 34px; font-size: 1.1rem; }

/* ---- navbar ---- */
.nav { position: sticky; top: 14px; z-index: 50; margin: 14px auto 0; width: min(1180px, 92vw);
    border-radius: 100px; background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px 12px 22px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; letter-spacing: -.02em; }
.logo .mark { width: 26px; height: 26px; border-radius: 9px; background: linear-gradient(135deg, var(--blue), var(--teal));
    display: grid; place-items: center; box-shadow: 0 4px 12px rgba(47,123,246,.4); }
.logo .mark::before { content: ""; width: 11px; height: 11px; border-radius: 4px; background: #fff; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a.text { padding: 8px 14px; border-radius: 100px; font-weight: 600; color: var(--ink-soft); transition: all .2s; }
.nav-links a.text:hover { color: var(--ink); background: rgba(255,255,255,.5); }

/* ---- hero ---- */
.hero { position: relative; isolation: isolate; padding: 64px 0 30px; }
.hero-head { text-align: center; position: relative; z-index: 5; }
.hero h1 { font-size: clamp(3rem, 10vw, 7.6rem); margin: 16px auto 0; max-width: 15ch; }
.hero .sub { font-size: clamp(1rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 48ch; margin: 22px auto 0; }
.hero-cta { display: flex; gap: 14px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

/* scattered glass cards */
.stage { position: relative; height: 520px; margin-top: -10px; }
.fcard {
    position: absolute; width: 230px; padding: 18px 20px; border-radius: var(--radius);
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); color: var(--ink); will-change: transform;
    transition: box-shadow .3s, transform .3s;
}
.fcard:hover { box-shadow: var(--glass-shadow-lg); }
.fcard .ftitle { font-weight: 800; font-size: 1.05rem; letter-spacing: -.02em; }
.fcard .fmeta { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-weight: 600; font-size: .82rem; color: var(--ink-soft); }
.fcard .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
/* warna dot aksen per kartu */
.c-lime .dot { background: var(--green); } .c-lav .dot { background: var(--violet); }
.c-yellow .dot { background: var(--orange); } .c-blue .dot { background: var(--blue); }
.c-orange .dot { background: var(--orange); } .c-coral .dot { background: var(--red); }
.c-pink .dot { background: var(--red); }

.p1 { top: 0;    left: 4%;   transform: rotate(-5deg); }
.p2 { top: 36px; right: 3%;  transform: rotate(5deg); }
.p3 { top: 140px; left: 16%; transform: rotate(3deg); }
.p4 { top: 196px; right: 15%; transform: rotate(-4deg); }
.p5 { top: 284px; left: 6%;  transform: rotate(6deg); }
.p6 { top: 312px; right: 7%; transform: rotate(-6deg); }
.p7 { top: 236px; left: 41%; transform: rotate(-2deg); }

/* ---- sections ---- */
.section { position: relative; isolation: isolate; padding: 66px 0; }
.section-head { max-width: 52ch; margin: 0 auto 40px; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin-top: 12px; }
.section-head p { color: var(--ink-soft); margin-top: 16px; font-size: 1.08rem; }

/* bento */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tile { border-radius: var(--radius-lg); padding: 26px; min-height: 190px; display: flex; flex-direction: column; justify-content: space-between;
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); }
.tile h3 { font-size: 1.35rem; }
.tile p { font-size: .95rem; color: var(--ink-soft); margin-top: 8px; }
.tile .big { font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -.03em;
    background: linear-gradient(135deg, var(--blue), var(--teal)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.tile.span2 { grid-column: span 2; }
.tile.span2:nth-of-type(1) .big { background: linear-gradient(135deg, var(--orange), var(--red)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { border-radius: var(--radius-lg); padding: 26px; transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s;
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); }
.feature:hover { transform: translateY(-6px); box-shadow: var(--glass-shadow-lg); }
.feature .ficon { width: 58px; height: 58px; border-radius: 17px; display: grid; place-items: center; color: #fff; margin-bottom: 18px; }
.feature .ficon svg { width: 28px; height: 28px; }
.ficon.c-lime { background: linear-gradient(135deg, var(--green), #4fd18a); }
.ficon.c-lav  { background: linear-gradient(135deg, var(--violet), #a6a6ff); }
.ficon.c-blue { background: linear-gradient(135deg, var(--blue), var(--teal)); }
.ficon.c-orange { background: linear-gradient(135deg, var(--orange), #ffb259); }
.ficon.c-coral { background: linear-gradient(135deg, var(--red), #ff8a8c); }
.ficon.c-pink { background: linear-gradient(135deg, #ff4d8d, var(--red)); }
.feature h3 { font-size: 1.22rem; }
.feature p { color: var(--ink-soft); margin-top: 8px; font-size: .95rem; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { padding: 30px 26px; border-radius: var(--radius-lg);
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); }
.step .num { font-size: 3rem; font-weight: 800; letter-spacing: -.04em;
    background: linear-gradient(135deg, var(--blue), var(--teal)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; opacity: .9; }
.step h3 { font-size: 1.25rem; margin-top: 6px; }
.step p { color: var(--ink-soft); margin-top: 10px; }

/* final CTA (dark glass) */
.final { border-radius: 36px; padding: clamp(40px, 7vw, 86px); text-align: center; position: relative; overflow: hidden;
    background: rgba(15,25,45,.55); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid rgba(255,255,255,.18); box-shadow: 0 24px 70px rgba(10,20,40,.3); color: #fff; }
.final h2 { font-size: clamp(2.2rem, 6vw, 4.4rem); }
.final p { color: rgba(255,255,255,.78); margin: 18px auto 30px; max-width: 44ch; font-size: 1.12rem; }
.final .blob { display: none; }

/* footer */
.foot { padding: 44px 0 64px; color: var(--ink-soft); font-size: .9rem; }
.foot-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }

/* reveal */
[data-reveal] { opacity: 0; transform: translateY(32px); }
[data-reveal].in { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }

/* responsive */
@media (max-width: 900px) {
    .bento { grid-template-columns: repeat(2, 1fr); }
    .tile.span2 { grid-column: span 2; }
    .features, .steps { grid-template-columns: 1fr; }
    .stage { height: auto; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 36px; }
    .fcard { position: static; width: calc(50% - 14px); }
    .p1,.p2,.p3,.p4,.p5,.p6,.p7 { transform: rotate(-1deg); }
}
@media (max-width: 560px) {
    .bento { grid-template-columns: 1fr; }
    .tile.span2 { grid-column: span 1; }
    .fcard { width: 100%; padding: 20px 22px; }
    .nav-links a.text { display: none; }
    .nav-inner { padding: 10px 12px; }
    .logo { font-size: 1.02rem; gap: 7px; }
    .logo .mark { width: 22px; height: 22px; }
    .nav-links { gap: 7px; }
    .nav .btn { padding: 10px 16px; font-size: .88rem; }
    .feature .ficon { width: 54px; height: 54px; }
}
@media (max-width: 380px) {
    .logo { font-size: .9rem; }
    .nav .btn { padding: 9px 13px; font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; scroll-behavior: auto; }
    [data-reveal] { opacity: 1; transform: none; }
}

/* =====================================================================
   v5: carousel hero, sidebar mengambang, dark mode, poles glass
   ===================================================================== */

/* ---------- DARK MODE ---------- */
html[data-theme="dark"] {
    --ink: #eaf0fb; --ink-soft: #9db0cc;
    --glass: rgba(28,40,66,.55); --glass-2: rgba(28,40,66,.4); --glass-brd: rgba(255,255,255,.14);
    --glass-shadow: 0 12px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.10);
    --glass-shadow-lg: 0 24px 70px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.12);
}
html[data-theme="dark"] body::before {
    background:
        radial-gradient(42% 55% at 14% 18%, rgba(60,120,210,.40), transparent 70%),
        radial-gradient(46% 56% at 86% 12%, rgba(110,110,220,.30), transparent 70%),
        radial-gradient(52% 60% at 82% 86%, rgba(220,110,40,.30), transparent 72%),
        radial-gradient(48% 58% at 8% 92%, rgba(30,170,150,.28), transparent 72%),
        linear-gradient(160deg, #0b1322, #0d1626);
}
html[data-theme="dark"] .nav-links a.text:hover { background: rgba(255,255,255,.10); }

/* ---------- SIDEBAR MENGAMBANG ---------- */
.sidebar { position: fixed; left: 18px; top: 50%; transform: translateY(-50%); z-index: 60;
    display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 12px 9px; border-radius: 100px;
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); }
.side-btn, .theme-toggle { width: 44px; height: 44px; border-radius: 50%; border: 1px solid transparent;
    background: transparent; color: var(--ink-soft); display: grid; place-items: center; cursor: pointer; transition: all .18s; }
.side-btn svg, .theme-toggle svg { width: 22px; height: 22px; }
.side-btn:hover { background: rgba(255,255,255,.5); color: var(--ink); transform: translateY(-1px); }
html[data-theme="dark"] .side-btn:hover { background: rgba(255,255,255,.12); }
.side-sep { width: 22px; height: 1px; background: rgba(19,32,58,.12); margin: 3px 0; }
html[data-theme="dark"] .side-sep { background: rgba(255,255,255,.12); }
.theme-toggle { border: 1px solid var(--glass-brd); background: rgba(255,255,255,.4); color: var(--ink); margin-top: 2px; }
html[data-theme="dark"] .theme-toggle { background: rgba(255,255,255,.10); }
.tt-moon { display: none; }
html[data-theme="dark"] .tt-sun { display: none; }
html[data-theme="dark"] .tt-moon { display: grid; place-items: center; }
@media (min-width: 1000px) { body { padding-left: 92px; } }
@media (max-width: 999px) {
    .sidebar { left: 50%; top: auto; bottom: 14px; transform: translateX(-50%); flex-direction: row; padding: 9px 12px; }
    .side-sep { width: 1px; height: 22px; margin: 0 3px; }
    body { padding-bottom: 84px; }
}

/* ---------- CAROUSEL HERO ---------- */
.hero { padding: 48px 0 20px; }
.carousel { position: relative; width: min(1180px, 94vw); margin: 16px auto 0; }
.car-viewport { overflow: hidden; padding: 26px 0 8px; }
.car-track { display: flex; align-items: stretch; transition: transform .6s cubic-bezier(.2,.8,.2,1); will-change: transform; }
.slide { flex: 0 0 min(640px, 82vw); margin: 0 14px; padding: clamp(34px,5vw,58px) clamp(28px,5vw,56px);
    border-radius: 32px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 380px; position: relative; overflow: hidden;
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow);
    transform: scale(.86); opacity: .42; transition: transform .6s cubic-bezier(.2,.8,.2,1), opacity .6s, box-shadow .6s; }
.slide.active { transform: scale(1); opacity: 1; box-shadow: var(--glass-shadow-lg); }
.slide h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); margin-top: 14px; }
.slide h2 { font-size: clamp(2rem, 4.6vw, 3.3rem); margin-top: 14px; }
.slide .sub { margin: 18px auto 0; max-width: 42ch; }
/* specular + tepi prismatik tiap slide aktif */
.slide.active::before { content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 1px; pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.95), transparent); }
.slide.active::after { content: ""; position: absolute; left: 18%; right: 18%; bottom: 0; height: 3px; pointer-events: none;
    background: linear-gradient(90deg, #6ea8ff, #b48cff, #ff9b6e, #5fe0c0); opacity: .45; filter: blur(.6px); }

.chips { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
.chip { padding: 9px 16px; border-radius: 100px; font-weight: 700; font-size: .85rem; color: var(--ink);
    background: rgba(255,255,255,.5); border: 1px solid var(--glass-brd); backdrop-filter: blur(8px); }
html[data-theme="dark"] .chip { background: rgba(255,255,255,.08); }

.car-arrow { position: absolute; top: calc(50% - 6px); transform: translateY(-50%); z-index: 8; width: 52px; height: 52px;
    border-radius: 50%; cursor: pointer; font-size: 1.6rem; line-height: 1; color: var(--ink);
    background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-brd); box-shadow: var(--glass-shadow); transition: all .18s; }
.car-arrow:hover { background: #fff; transform: translateY(-50%) scale(1.06); }
html[data-theme="dark"] .car-arrow:hover { background: rgba(255,255,255,.2); }
.car-prev { left: -8px; } .car-next { right: -8px; }
.car-dots { display: flex; gap: 8px; justify-content: center; margin-top: 18px; }
.car-dots button { width: 9px; height: 9px; border-radius: 50%; border: none; cursor: pointer; padding: 0;
    background: rgba(19,32,58,.25); transition: all .25s; }
html[data-theme="dark"] .car-dots button { background: rgba(255,255,255,.3); }
.car-dots button.active { width: 28px; border-radius: 100px; background: linear-gradient(90deg, var(--blue), var(--teal)); }

@media (max-width: 700px) {
    .car-arrow { width: 44px; height: 44px; font-size: 1.4rem; }
    .car-prev { left: 0; } .car-next { right: 0; }
    .slide { min-height: 340px; }
}