/* ============================================================
   PT SIGMA KAPITAL INDONESIA — Global Integrated Systems
   Design system: dark texture + gold, serif display (The Seasons)
   ============================================================ */
@font-face {
  font-family: 'TheSeasons';
  src: url('../fonts/TheSeasons-LightM.otf') format('opentype');
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'TheSeasons';
  src: url('../fonts/TheSeasons-BoldM.otf') format('opentype');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face { font-family:'Montserrat'; src:url('../fonts/Montserrat-300.woff2') format('woff2'); font-weight:300; font-display:swap; }
@font-face { font-family:'Montserrat'; src:url('../fonts/Montserrat-400.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'Montserrat'; src:url('../fonts/Montserrat-500.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'Montserrat'; src:url('../fonts/Montserrat-600.woff2') format('woff2'); font-weight:600; font-display:swap; }
@font-face { font-family:'Montserrat'; src:url('../fonts/Montserrat-700.woff2') format('woff2'); font-weight:700; font-display:swap; }

:root {
  --bg: #08090b;
  --bg2: #0b0c10;
  --bg3: #0e0f14;
  --panel: #0d0e13;
  --line: rgba(255, 255, 255, .07);
  --line-soft: rgba(255, 255, 255, .045);
  --line-gold: rgba(216, 180, 94, .38);
  --gold: #c9a24b;
  --gold-hi: #f0d68a;
  --gold-dim: #9a7c3a;
  --cream: #ece4d0;
  --text: #c6c3ba;
  --muted: #8d8a82;
  --muted2: #63615b;
  --grad-gold: linear-gradient(115deg, #b47f2b, #e1bf61 35%, #f8df7c 52%, #e1bf61 70%, #b47f2b);
  --serif: 'TheSeasons', 'Times New Roman', Georgia, serif;
  --sans: 'Montserrat', 'Segoe UI', Helvetica, Arial, sans-serif;
  --w: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 15.5px/1.8 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- typography ---------- */
.serif { font-family: var(--serif); font-weight: 300; }
.h1, .h2, .h3 {
  font-family: var(--serif); font-weight: 300; color: var(--cream);
  text-transform: uppercase; line-height: 1.14;
}
.h1 { font-size: clamp(34px, 4.6vw, 62px); letter-spacing: .10em; }
.h2 { font-size: clamp(26px, 3.1vw, 42px); letter-spacing: .11em; }
.h3 { font-size: clamp(19px, 2vw, 26px); letter-spacing: .12em; }
.h2.gold, .h1.gold { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  font: 500 11px/1 var(--sans); letter-spacing: .32em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 22px;
}
.eyebrow .no { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; }
.lead { font-size: 15.5px; color: var(--muted); max-width: 68ch; }
.sec-sub { margin-top: 18px; }

/* ---------- layout ---------- */
.wrap { width: min(var(--w), calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 2; }
.sec { position: relative; padding: 96px 0; }
.sec.tight { padding: 64px 0; }
.sec.panel { background: var(--bg2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* textured band + gold corner brackets */
.textured::before {
  content: ''; position: absolute; inset: 0;
  background: url('../img/texture.jpg') center/cover no-repeat;
  opacity: .55; pointer-events: none;
}
.textured::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 80% 10%, rgba(180,127,43,.10), transparent 55%),
    linear-gradient(180deg, rgba(8,9,11,.35) 0%, rgba(8,9,11,.86) 78%, var(--bg) 100%);
}
.brackets { position: relative; }
.brackets > .br { position: absolute; width: 36px; height: 36px; border: 0 solid rgba(216,180,94,.5); pointer-events: none; }
.brackets > .br.tl { top: -1px; left: -1px; border-top-width: 1px; border-left-width: 1px; }
.brackets > .br.br-b { bottom: -1px; right: -1px; border-bottom-width: 1px; border-right-width: 1px; }

/* ---------- header ---------- */
.hd {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(8,9,11,.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: background .4s var(--ease);
}
.hd.scrolled { background: rgba(8,9,11,.94); }
.hd-in { display: flex; align-items: center; justify-content: space-between; gap: 28px; height: 76px; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand img { width: 30px; height: 30px; }
.brand .bt { display: flex; flex-direction: column; gap: 3px; }
.brand .bt b { font: 300 15px/1 var(--serif); letter-spacing: .24em; color: var(--cream); text-transform: uppercase; white-space: nowrap; }
.brand .bt span { font: 500 7.5px/1 var(--sans); letter-spacing: .34em; color: var(--gold-dim); text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font: 500 11px/1 var(--sans); letter-spacing: .20em; text-transform: uppercase; color: var(--muted); transition: color .3s; position: relative; padding: 6px 0; }
.nav a:hover, .nav a.on { color: var(--gold-hi); }
.nav a.on::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--grad-gold); }
.hd .cta { border: 1px solid var(--line-gold); color: var(--gold-hi); padding: 11px 22px; font: 500 10.5px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; transition: all .35s var(--ease); white-space: nowrap; }
.hd .cta:hover { background: rgba(212,175,55,.09); border-color: var(--gold-hi); }
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 22px; height: 1.5px; background: var(--cream); margin: 5px 0; transition: .3s; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; padding: 150px 0 84px; overflow: hidden; }
.hero .sig-bg { position: absolute; right: -3%; top: 12%; width: 34vw; max-width: 520px; opacity: .16; z-index: 1; }
.hero .h1 { max-width: 21ch; }
.hero .lead { margin-top: 26px; max-width: 62ch; }
.hero .hero-cta { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

.btn {
  display: inline-block; border: 1px solid var(--line-gold); color: var(--gold-hi);
  padding: 15px 30px; font: 500 11px/1 var(--sans); letter-spacing: .24em; text-transform: uppercase;
  transition: all .35s var(--ease);
}
.btn:hover { background: rgba(212,175,55,.10); border-color: var(--gold-hi); transform: translateY(-1px); }
.btn.solid { background: var(--grad-gold); color: #17120a; border: 0; font-weight: 600; }
.btn.solid:hover { filter: brightness(1.08); }
.btn.ghost { border-color: var(--line); color: var(--muted); }
.btn.ghost:hover { color: var(--gold-hi); border-color: var(--line-gold); }

.hero-eyebrow { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.hero-eyebrow .ln { width: 46px; height: 1px; background: var(--line-gold); }

/* ---------- page hero (interior) ---------- */
.phero { position: relative; padding: 190px 0 76px; }
.phero .h1 { max-width: 26ch; }
.phero .lead { margin-top: 24px; }
.phero .pnum { display: flex; align-items: baseline; gap: 18px; margin-bottom: 24px; }
.phero .pnum .n { font: 600 12px/1 var(--sans); letter-spacing: .3em; background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.phero .pnum .t { font: 500 11px/1 var(--sans); letter-spacing: .3em; color: var(--muted); text-transform: uppercase; }

/* ---------- grids & cards ---------- */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 52px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 48px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 48px; }

.card { border-top: 1px solid var(--line-gold); padding: 22px 4px 0; position: relative; }
.card .num { font: 600 12px/1 var(--sans); letter-spacing: .22em; color: var(--gold); margin-bottom: 18px; display: block; }
.card .t { font-family: var(--serif); font-weight: 300; font-size: 19px; letter-spacing: .13em; color: var(--cream); text-transform: uppercase; line-height: 1.35; min-height: 3.6em; }
.card p { margin-top: 14px; font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.card .sub { font: 500 10px/1.5 var(--sans); letter-spacing: .22em; color: var(--gold-dim); text-transform: uppercase; margin-top: 8px; }

.vitem { border-top: 1px solid var(--line-gold); padding-top: 20px; }
.vitem .vno { font: 600 12px/1 var(--sans); letter-spacing: .26em; color: var(--gold); }
.vitem .vt { font-family: var(--serif); font-weight: 300; font-size: 18px; letter-spacing: .14em; text-transform: uppercase; color: var(--cream); margin: 14px 0 10px; }
.vitem p { font-size: 13.5px; color: var(--muted); }

/* lettered rows (A/B/C/D) */
.rows4 { margin-top: 52px; border-top: 1px solid var(--line-soft); }
.row4 { display: grid; grid-template-columns: 64px 1fr 1.35fr; gap: 26px; padding: 26px 0; border-bottom: 1px solid var(--line-soft); align-items: baseline; }
.row4 .rl { font: 300 26px/1 var(--serif); letter-spacing: .12em; background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.row4 .rt { font-family: var(--serif); font-weight: 300; font-size: 17px; letter-spacing: .16em; color: var(--cream); text-transform: uppercase; }
.row4 p { font-size: 13.5px; color: var(--muted); }

/* steps flow */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; margin-top: 56px; }
.step { position: relative; padding-top: 26px; }
.step::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--line-gold); }
.step::after { content: ''; position: absolute; top: -3.5px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--grad-gold); }
.step .sn { font: 600 12px/1 var(--sans); letter-spacing: .24em; color: var(--gold); }
.step .st { font-family: var(--serif); font-weight: 300; font-size: 16px; letter-spacing: .14em; text-transform: uppercase; color: var(--cream); margin: 13px 0 9px; }
.step p { font-size: 12.5px; color: var(--muted); line-height: 1.65; }

/* quote */
.quote { text-align: center; padding: 86px 0; }
.quote blockquote { font-family: var(--serif); font-weight: 300; font-size: clamp(21px, 2.6vw, 32px); letter-spacing: .08em; color: var(--cream); line-height: 1.5; max-width: 30ch; margin: 0 auto; text-transform: uppercase; }
.quote .qmark { font: 300 44px/1 var(--serif); background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; margin-bottom: 18px; }
.quote cite { display: block; margin-top: 26px; font: 500 10px/1 var(--sans); letter-spacing: .32em; color: var(--gold-dim); text-transform: uppercase; font-style: normal; }

/* strip (running caps line) */
.strip { border-top: 1px solid var(--line-gold); border-bottom: 1px solid var(--line-gold); padding: 18px 0; text-align: center; }
.strip span { font: 500 10.5px/1.9 var(--sans); letter-spacing: .34em; color: var(--gold-dim); text-transform: uppercase; }
.strip .sep { margin: 0 18px; color: rgba(216,180,94,.5); }

/* pyramid diagram */
.pyramid { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 56px; }
.pyr { border: 1px solid var(--line-gold); background: rgba(216,180,94,.035); text-align: center; padding: 17px 26px; }
.pyr .pt { font-family: var(--serif); font-weight: 300; font-size: 16.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--cream); }
.pyr .pd { font: 400 11px/1.7 var(--sans); letter-spacing: .08em; color: var(--muted); margin-top: 7px; }
.pyr.l1 { width: min(760px, 96%); }
.pyr.l2 { width: min(620px, 82%); }
.pyr.l3 { width: min(480px, 68%); }
.pyr.l4 { width: min(350px, 54%); background: var(--grad-gold); border: 0; }
.pyr.l4 .pt { color: #17120a; font-weight: 600; }
.pyr.l4 .pd { color: rgba(23,18,10,.75); }

/* facts / vision */
.vision { border: 1px solid var(--line-gold); padding: 44px 40px; position: relative; background: rgba(216,180,94,.03); }
.vision .vt { font: 600 11px/1 var(--sans); letter-spacing: .3em; color: var(--gold); text-transform: uppercase; margin-bottom: 20px; }
.vision p { font-family: var(--serif); font-weight: 300; font-size: clamp(18px, 2vw, 24px); letter-spacing: .07em; line-height: 1.6; color: var(--cream); }
.missions { margin-top: 40px; }
.mission { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line-soft); align-items: baseline; }
.mission:first-child { border-top: 1px solid var(--line-soft); }
.mission .mn { font: 600 11px/1 var(--sans); letter-spacing: .2em; color: var(--gold); padding-top: 3px; }
.mission p { font-size: 14px; color: var(--text); }

/* contact */
.clayout { display: grid; grid-template-columns: 1.4fr .8fr; gap: 60px; align-items: start; margin-top: 60px; }
.crows { border-top: 1px solid var(--line-gold); }
.crow { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line-soft); align-items: baseline; }
.crow .ck { font: 600 10.5px/1.7 var(--sans); letter-spacing: .28em; color: var(--gold-dim); text-transform: uppercase; }
.crow .cv { font-size: 15.5px; color: var(--cream); font-weight: 400; line-height: 1.7; }
.crow .cv a { border-bottom: 1px solid var(--line-gold); transition: color .3s; }
.crow .cv a:hover { color: var(--gold-hi); }
.crow .cv small { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; letter-spacing: .04em; }
.csig { text-align: center; }
.csig img { width: min(240px, 60%); margin: 0 auto; opacity: .92; }
.csig .cap { margin-top: 26px; font: 500 10px/2 var(--sans); letter-spacing: .3em; color: var(--gold-dim); text-transform: uppercase; }
.ceo-name { font-family: var(--serif); font-weight: 300; font-size: clamp(26px, 3vw, 40px); letter-spacing: .14em; color: var(--cream); text-transform: uppercase; }
.ceo-role { font: 500 11px/1.9 var(--sans); letter-spacing: .3em; color: var(--gold-dim); text-transform: uppercase; }

/* CTA band */
.cta-band { text-align: center; padding: 92px 0; }
.cta-band .h2 { max-width: 24ch; margin: 0 auto; }
.cta-band .lead { margin: 22px auto 0; }
.cta-band .btns { margin-top: 42px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* footer */
.ft { border-top: 1px solid var(--line-soft); background: #060708; }
.ft-in { display: grid; grid-template-columns: 1.5fr 1fr 1.3fr; gap: 48px; padding: 64px 0 48px; }
.ft .brand b { color: var(--cream); }
.ft p { font-size: 13px; color: var(--muted); margin-top: 20px; max-width: 40ch; }
.ft h5 { font: 600 10.5px/1 var(--sans); letter-spacing: .28em; color: var(--gold-dim); text-transform: uppercase; margin-bottom: 22px; }
.ft ul { list-style: none; }
.ft li { margin-bottom: 12px; font-size: 13px; }
.ft li a { color: var(--muted); transition: color .3s; }
.ft li a:hover { color: var(--gold-hi); }
.ft-bar { border-top: 1px solid var(--line-soft); padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font: 500 10px/1.9 var(--sans); letter-spacing: .16em; color: var(--muted2); text-transform: uppercase; }

/* reveal animation */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* 404 */
.nf { min-height: 74vh; display: flex; align-items: center; padding: 180px 0 90px; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .grid4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .clayout { grid-template-columns: 1fr; gap: 44px; }
  .hero .sig-bg { opacity: .10; }
}
@media (max-width: 760px) {
  .sec { padding: 68px 0; }
  .nav { position: fixed; top: 76px; left: 0; right: 0; background: rgba(8,9,11,.97); flex-direction: column; gap: 6px; padding: 26px 24px 30px; border-bottom: 1px solid var(--line-soft); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; }
  .burger { display: block; }
  .hd .cta { display: none; }
  .grid4, .grid3, .grid2 { grid-template-columns: 1fr; gap: 28px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .row4 { grid-template-columns: 40px 1fr; }
  .row4 p { grid-column: 2; }
  .crow { grid-template-columns: 1fr; gap: 8px; }
  .ft-in { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-top: 128px; min-height: 0; }
  .phero { padding: 150px 0 56px; }
  .card .t { min-height: 0; }
  .quote blockquote { letter-spacing: .05em; }
}