/* ===================================================================
   The Summit — SCNZ Summit 2026
   INVERTED scheme: white background, club-blue wording + blue logo
   Alternating section bands so each section reads as its own block
=================================================================== */

:root {
  --blue: #4658ff;
  --blue-deep: #2c39c4;
  --blue-bright: #6c7aff;
  --blue-soft: #eef0ff;
  --blue-glow: rgba(70, 88, 255, .28);

  --bg: #f6f6f6;
  --white: #ffffff;
  --ink: #0c1030;
  --ink-soft: #555b77;
  --line: #e5e5ef;
  --card: #ffffff;

  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 22px 50px -34px rgba(40, 50, 130, .4);
  --shadow-blue: 0 28px 64px -32px rgba(70, 88, 255, .45);
  --maxw: 1120px;
  --nav-h: 70px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Montserrat", system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--ink-soft); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3 { font-family: "Montserrat", sans-serif; font-weight: 800; color: var(--blue); line-height: 1.07; letter-spacing: .005em; text-transform: uppercase; }
a { color: inherit; text-decoration: none; }
section[id] { scroll-margin-top: calc(var(--nav-h) + 12px); }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; padding: .95em 1.8em; border-radius: 999px; border: 1.5px solid transparent; cursor: pointer; transition: transform .18s ease, box-shadow .25s ease, background .2s ease, color .2s ease, border-color .2s ease; white-space: nowrap; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 14px 32px -12px var(--blue-glow); }
.btn-primary:hover { transform: translateY(-2px); background: var(--blue-deep); box-shadow: 0 20px 44px -14px var(--blue-glow); }
.btn-ghost { background: transparent; color: var(--blue); border-color: rgba(70, 88, 255, .35); }
.btn-ghost:hover { transform: translateY(-2px); background: var(--blue-soft); border-color: var(--blue); }

/* ---- header ---- */
.s-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 60; height: var(--nav-h); display: flex; align-items: center; gap: 1.5rem; padding: 0 clamp(1rem, 4vw, 2.5rem); background: rgba(246, 246, 246, .85); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s ease, box-shadow .3s ease; }
.s-nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 10px 30px -24px rgba(40, 50, 130, .4); }
.s-brand { display: flex; align-items: center; gap: .7rem; }
.s-brand .wordmark { height: 22px; width: auto; display: block; }
.s-back { font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); border-left: 1px solid var(--line); padding-left: .7rem; }
.s-back:hover { color: var(--blue); }
.s-links { display: flex; gap: 1.6rem; margin-left: auto; font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
.s-links a { position: relative; color: var(--ink); opacity: .8; transition: opacity .2s; }
.s-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--blue); transition: width .25s ease; }
.s-links a:hover { opacity: 1; }
.s-links a:hover::after { width: 100%; }
.s-nav .btn { padding: .65em 1.3em; }
.s-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.s-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }
.s-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.s-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.s-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- section bands ---- */
.s-section { padding: clamp(4rem, 8vw, 6.5rem) clamp(1rem, 4vw, 2.5rem); border-top: 1px solid rgba(40, 50, 130, .07); }
.s-wrap { max-width: var(--maxw); margin: 0 auto; }
.band-soft { background: var(--bg); --card: #ffffff; }
.band-white { background: var(--white); --card: #f4f5fb; }
.band-blue { background: linear-gradient(155deg, #4658ff, #2c39c4); --card: rgba(255, 255, 255, .08); border-top-color: transparent; }
.band-blue h2, .band-blue h3 { color: #fff; }
.band-blue .s-kicker { color: #cdd4ff; }
.band-blue .s-head p { color: rgba(255, 255, 255, .85); }

/* ---- head ---- */
.s-head { max-width: 720px; margin: 0 auto 3rem; text-align: center; }
.s-kicker { display: inline-block; font-size: .74rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--blue); margin-bottom: 1rem; }
.s-head h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.s-head p { color: var(--ink-soft); font-size: 1.05rem; margin-top: 1rem; }

/* ---- hero ---- */
.s-hero { position: relative; overflow: hidden; padding: calc(var(--nav-h) + clamp(3rem, 7vw, 6rem)) clamp(1rem, 4vw, 2.5rem) clamp(3rem, 6vw, 5rem); text-align: center; background: linear-gradient(180deg, #ffffff, var(--bg)); }
.s-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 0%, rgba(70, 88, 255, .12), transparent 70%); pointer-events: none; }
.s-hero-inner { position: relative; max-width: 880px; margin: 0 auto; }
.s-eyebrow { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--blue); background: var(--blue-soft); border: 1px solid rgba(70, 88, 255, .2); padding: .55em 1.1em; border-radius: 999px; margin-bottom: 2rem; }
.s-logo { width: clamp(280px, 60vw, 620px); height: auto; display: block; margin: 0 auto 1.8rem; }
.s-meta { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; font-weight: 700; font-size: .9rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); margin-bottom: 1.4rem; }
.s-meta .dot { color: var(--blue); }
.s-lede { font-size: 1.12rem; color: var(--ink-soft); max-width: 50ch; margin: 0 auto 2.2rem; }
.s-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.s-note { margin-top: 1.4rem; font-size: .8rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--blue); }

/* ---- stats ---- */
.s-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.s-stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.4rem; text-align: center; box-shadow: var(--shadow); }
.s-stat strong { display: block; font-family: "Montserrat"; font-weight: 900; font-size: clamp(2.4rem, 5vw, 3.4rem); color: var(--blue); letter-spacing: -.02em; line-height: 1; }
.s-stat span { display: block; margin-top: .5rem; font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }

/* ---- dream ---- */
.s-about { text-align: center; }
.s-refrain { font-family: "Montserrat"; font-weight: 700; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.4; color: var(--ink); text-transform: none; max-width: 760px; margin: 0 auto 1.4rem; }
.s-refrain b { color: var(--blue); }
.s-about p.body { max-width: 64ch; margin: 0 auto; color: var(--ink-soft); font-size: 1.05rem; }

/* ---- programme (days) ---- */
.day-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.day-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.6rem; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .25s ease, border-color .2s; }
.day-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-blue); border-color: rgba(70, 88, 255, .3); }
.day-tag { font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.day-card h3 { font-size: 1.3rem; margin: .5rem 0 .2rem; }
.day-date { font-size: .85rem; font-weight: 600; color: var(--ink-soft); text-transform: none; }
.day-card p { color: var(--ink-soft); font-size: .95rem; margin-top: .9rem; }
.s-format { max-width: 760px; margin: 2.4rem auto 0; text-align: center; font-size: .95rem; color: var(--ink-soft); }
.s-format b { color: var(--blue); }

/* ---- lineup (speakers) ---- */
.speaker-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.speaker-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.4rem; box-shadow: var(--shadow); text-align: center; transition: transform .2s ease, box-shadow .25s ease, border-color .2s; }
.speaker-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-blue); border-color: rgba(70, 88, 255, .3); }
.speaker-avatar { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 1rem; font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; color: #fff; background: linear-gradient(150deg, var(--blue), var(--blue-deep)); box-shadow: 0 10px 24px -10px var(--blue-glow); }
.speaker-card h3 { font-size: 1.12rem; letter-spacing: .01em; text-transform: none; color: var(--ink); }
.speaker-card .role { margin-top: .45rem; color: var(--blue); font-size: .86rem; font-weight: 600; }
.lineup-note { text-align: center; margin-top: 2.2rem; font-size: .9rem; font-weight: 600; color: var(--blue); }

/* ---- workshops ---- */
.ws-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-bottom: 2.6rem; }
.ws-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.9rem 1.6rem; box-shadow: var(--shadow); text-align: center; transition: transform .2s ease, box-shadow .25s ease, border-color .2s; }
.ws-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-blue); border-color: rgba(70, 88, 255, .3); }
.ws-card h3 { font-size: 1.18rem; text-transform: none; color: var(--ink); }
.ws-card .org { margin-top: .45rem; }
.ws-card .by { margin-top: .5rem; color: var(--blue); font-weight: 700; font-size: .9rem; }
.ws-card .org { color: var(--ink-soft); font-size: .85rem; }
.ws-card .desc { margin-top: .7rem; color: var(--ink-soft); font-size: .9rem; }
.ws-sub { text-align: center; margin-top: 2rem; }
.ws-sub-label { font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); margin-bottom: 1rem; }
.chip-row { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
.chip { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: .7em 1.3em; font-weight: 700; font-size: .85rem; letter-spacing: .03em; color: var(--ink); box-shadow: var(--shadow); }
.ws-tba { max-width: 640px; margin: 0 auto; text-align: center; background: var(--card); border: 1px dashed rgba(70, 88, 255, .35); border-radius: var(--radius); padding: clamp(2.4rem, 5vw, 3.4rem) 1.6rem; box-shadow: var(--shadow); }
.ws-tba-tag { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); background: var(--blue-soft); border: 1px solid rgba(70, 88, 255, .25); padding: .5em 1.1em; border-radius: 999px; margin-bottom: 1.2rem; }
.ws-tba p { color: var(--ink-soft); font-size: 1.02rem; }

/* ---- SCNZ International ---- */
.intl-lead { text-align: center; max-width: 70ch; margin: 0 auto 2.6rem; color: rgba(255, 255, 255, .9); font-size: 1.05rem; }
.guest-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.guest-card { background: var(--card); border: 1px solid rgba(255, 255, 255, .22); border-radius: var(--radius); padding: 1.8rem 1.4rem; text-align: center; backdrop-filter: blur(4px); }
.guest-card.tbc { border-style: dashed; opacity: .8; }
.guest-avatar { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 1rem; font-weight: 800; color: var(--blue); background: #fff; font-size: 1.1rem; }
.guest-card h3 { color: #fff; font-size: 1.02rem; text-transform: none; }
.guest-card .role { margin-top: .4rem; color: rgba(255, 255, 255, .8); font-size: .85rem; }
.guest-card.tbc h3 { color: rgba(255, 255, 255, .7); }
.intl-note { text-align: center; margin-top: 2.2rem; font-size: .9rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: #cdd4ff; }

/* ---- sponsors marquee ---- */
.s-marquee-label { text-align: center; font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 1.8rem; }
.s-marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.s-marquee-track { display: flex; align-items: center; gap: 3.5rem; width: max-content; animation: marquee 30s linear infinite; }
.splogo { font-weight: 700; font-size: 1.25rem; letter-spacing: .02em; text-transform: uppercase; color: #9aa0bd; white-space: nowrap; transition: color .2s; }
.splogo:hover { color: var(--blue); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---- key dates timeline ---- */
.timeline { max-width: 760px; margin: 0 auto; display: grid; gap: 0; }
.tl-item { display: grid; grid-template-columns: 130px 1fr; gap: 1.4rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.tl-item:last-child { border-bottom: 0; }
.tl-date { font-weight: 800; color: var(--blue); font-size: .9rem; letter-spacing: .04em; text-transform: uppercase; }
.tl-body h3 { font-size: 1.02rem; text-transform: none; color: var(--ink); }
.tl-body p { color: var(--ink-soft); font-size: .9rem; margin-top: .2rem; }

/* ---- tickets CTA ---- */
.s-tickets { text-align: center; }
.tickets-card { max-width: 780px; margin: 0 auto; background: linear-gradient(150deg, var(--blue), var(--blue-deep)); color: #fff; border-radius: var(--radius-lg); padding: clamp(2.6rem, 6vw, 4.5rem) clamp(1.4rem, 4vw, 3rem); position: relative; overflow: hidden; box-shadow: var(--shadow-blue); }
.tickets-card::after { content: ""; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; background: radial-gradient(circle, rgba(255,255,255,.18), transparent 70%); }
.tickets-card h2 { color: #fff; font-size: clamp(2rem, 5vw, 3.2rem); position: relative; }
.tickets-card p { color: rgba(255, 255, 255, .9); margin: 1rem auto 2rem; max-width: 46ch; position: relative; }
.tickets-card .btn-primary { background: #fff; color: var(--blue); position: relative; }
.tickets-card .btn-primary:hover { background: #eef0ff; }

/* ---- footer ---- */
.s-footer { background: var(--white); border-top: 1px solid var(--line); padding: clamp(3rem, 6vw, 4.5rem) clamp(1rem, 4vw, 2.5rem) 2rem; text-align: center; }
.s-footer .wordmark { height: 26px; width: auto; margin: 0 auto 1rem; display: block; }
.s-footer .tagline { color: var(--ink-soft); font-size: .92rem; max-width: 40ch; margin: 0 auto 1.6rem; }
.s-footer .contact { display: flex; gap: 1.4rem; justify-content: center; flex-wrap: wrap; font-size: .9rem; font-weight: 600; }
.s-footer .contact a { color: var(--blue); }
.s-foot-bottom { max-width: var(--maxw); margin: 2.4rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); }

/* ---- sponsors (tiered) — flat ---- */
.sp-tier { text-align: center; font-weight: 900; font-size: 1.5rem; letter-spacing: .24em; text-transform: uppercase; margin: 0 auto 1.9rem; }
.sp-tier--platinum { color: #8b95a7; }
.sp-tier--gold { color: #c99a2c; margin-top: 4rem; }

.sp-plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1000px; margin: 0 auto; }
.sp-card { background: var(--sp); border-radius: var(--radius-lg); min-height: 205px; display: grid; place-items: center; padding: 2.6rem 2rem; box-shadow: 0 12px 30px -16px rgba(0, 0, 0, .35); }
.sp-logo { max-width: 82%; max-height: 74px; width: auto; height: auto; object-fit: contain; }

.sp-gold-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; max-width: 960px; margin: 0 auto; }
.sg-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); min-height: 155px; display: grid; place-items: center; padding: 2rem; transition: transform .2s ease, border-color .2s ease; }
.sg-card:hover { transform: translateY(-4px); border-color: rgba(70, 88, 255, .35); }
.sg-card img { max-width: 86%; max-height: 66px; width: auto; height: auto; object-fit: contain; }

/* ---- reveal ---- */
.reveal { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s ease; }
.reveal-armed .reveal { opacity: 0; transform: translateY(26px); }
.reveal-armed .reveal.in { opacity: 1; transform: none; }

/* ---- responsive ---- */
@media (max-width: 920px) {
  .s-links, .s-nav .btn { display: none; }
  .s-toggle { display: flex; margin-left: auto; }
  .s-nav.open .s-links { display: flex; flex-direction: column; align-items: center; gap: 1.1rem; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); padding: 1.4rem clamp(1rem,4vw,2.5rem) 1.8rem; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .day-grid, .speaker-grid, .ws-grid { grid-template-columns: 1fr 1fr; }
  .guest-grid, .sp-gold-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .s-stats-grid, .day-grid, .speaker-grid, .ws-grid, .guest-grid, .sp-plat-grid, .sp-gold-grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: .3rem; }
  .s-foot-bottom { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } html { scroll-behavior: auto; } }