/* NExT Forum 2026 — thông tin sự kiện (bản VPBank) */

:root {
  --navy-950: #060f1f;
  --navy-900: #0b1626;
  --navy-800: #13223a;
  --navy-700: #1c3351;
  --ink: #0b1d3a;
  --cream: #faf7f0;
  --cream-2: #f1ead9;
  --gold: #c9a227;
  --gold-ink: #735719;
  --gold-light: #e2b65a;
  --muted: #5b6472;
  --muted-on-navy: #aab4c4;
  --line: #e4dcc8;
  --line-on-navy: rgba(226, 182, 90, 0.28);

  --font-display: "Playfair Display", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-pad-y: clamp(3rem, 8vw, 5.5rem);
  --radius: 14px;
  --nav-h: 60px;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); line-height: 1.15; margin: 0 0 0.6em; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--navy-900); color: #fff; padding: 0.75em 1.25em; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.mark {
  display: inline-block;
  font-weight: 800;
  letter-spacing: -0.1em;
  color: var(--gold);
  font-size: 1.1em;
}
.mark--lg { font-size: 2.6rem; }

/* ---------- Top nav ---------- */
.topnav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(250, 247, 240, 0.9);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.topnav__inner {
  max-width: var(--container);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 3vw, 1.5rem);
}
.topnav__mark {
  display: flex; align-items: center; gap: 0.5em;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.topnav__word { display: none; }
@media (min-width: 480px) { .topnav__word { display: inline; } }
.topnav__links {
  display: flex;
  gap: clamp(0.6rem, 2.5vw, 1.25rem);
  margin-left: auto;
  font-family: var(--font-display);
  font-weight: 700;
}
.topnav__links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.3em 0.1em;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.topnav__links a:hover,
.topnav__links a.is-active {
  color: var(--gold-ink);
  border-color: var(--gold);
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0.55em 0.95em;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn--gold {
  background: var(--navy-900);
  color: var(--gold-light);
  border: 1px solid var(--navy-900);
}
.btn--gold:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(11, 22, 38, 0.25); }
.topnav__pdf span { display: none; }
@media (min-width: 420px) { .topnav__pdf span { display: inline; } }

/* ---------- Cover ---------- */
.cover {
  min-height: 100svh;
  background: radial-gradient(120% 90% at 15% 0%, #0d1c33 0%, var(--navy-950) 55%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 6vw, 3rem) var(--gutter) clamp(2rem, 6vw, 3rem);
  position: relative;
  scroll-margin-top: 0;
}
.cover__top {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: #eef0f3;
}
@media (min-width: 640px) {
  .cover__top { flex-direction: row; justify-content: space-between; font-size: 0.8rem; }
}
.cover__mid {
  margin: clamp(2.5rem, 10vh, 5rem) 0;
  text-align: center;
}
.cover__kicker {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: #dfe3e8;
  margin: 1rem 0 0.5rem;
}
.cover__brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gold-light);
  font-size: 0.85rem;
  margin: 0 0 1.5rem;
}
.cover__headline {
  color: #fff;
  font-size: clamp(1.9rem, 7vw, 3.4rem);
  font-weight: 800;
  margin: 0 auto;
  max-width: 16ch;
}
.cover__headline span { color: var(--gold-light); }
.cover__rule {
  width: 72px; height: 3px; background: var(--gold);
  margin: 1.75rem auto 0; border-radius: 2px;
}
.cover__bottom {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  color: #cfd4da;
  text-align: right;
}

/* ---------- Section shell ---------- */
.section {
  padding: var(--section-pad-y) var(--gutter);
  scroll-margin-top: calc(var(--nav-h) + 8px);
}
.section--cream { background: var(--cream); }
.section--navy { background: var(--navy-900); color: #fff; position: relative; }
.section--navy::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, transparent 0 28px, rgba(226,182,90,0.05) 28px 29px);
  pointer-events: none;
}
.section--navy h2, .section--navy h3 { color: #fff; }
.section > * { max-width: var(--container); margin-left: auto; margin-right: auto; position: relative; z-index: 1; }

.section__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: clamp(2rem, 6vw, 3rem);
}
.section--navy .section__head { border-color: var(--line-on-navy); }
.section__eyebrow {
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin: 0;
  color: var(--ink);
}
.section--navy .section__eyebrow { color: #fff; }
.section__num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--gold-ink);
  font-weight: 700;
}
.section--navy .section__num { color: var(--gold-light); }
.section__divider { width: 1px; height: 1.4em; background: var(--gold); display: inline-block; }
.section__tag {
  margin: 0; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em;
  color: var(--muted);
}
.section--navy .section__tag { color: var(--muted-on-navy); }

h2 { font-size: clamp(1.6rem, 5vw, 2.4rem); }

.pullquote {
  border-left: 3px solid var(--gold);
  padding-left: 1.1rem;
  color: var(--ink);
  font-size: 1.05rem;
  max-width: 48ch;
}

.h-with-mark { display: flex; align-items: center; gap: 0.6rem; margin-top: clamp(3rem, 8vw, 4.5rem); }

/* ---------- Stats row ---------- */
.stats {
  list-style: none; margin: clamp(2rem, 6vw, 3rem) 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stats li {
  background: var(--cream);
  padding: 1.25rem 1rem;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.stats strong {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  color: var(--ink);
  font-weight: 700;
}
.stats span {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; color: var(--muted);
}
@media (min-width: 720px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 980px) {
  .stats { grid-template-columns: repeat(6, 1fr); }
}

/* ---------- Season card ---------- */
.season-card {
  background: var(--navy-900);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(1.5rem, 5vw, 2.5rem);
  margin-bottom: clamp(3rem, 8vw, 4.5rem);
  position: relative;
  overflow: hidden;
}
.season-card::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, transparent 0 26px, rgba(226,182,90,0.06) 26px 27px);
}
.season-card > * { position: relative; }
.season-card__eyebrow { color: var(--gold-light); font-weight: 800; letter-spacing: 0.1em; font-size: 0.75rem; margin-bottom: 0.5rem; }
.season-card h3 { color: #fff; font-size: clamp(1.5rem, 5vw, 2rem); margin-bottom: 0.4rem; }
.season-card__meta { color: var(--muted-on-navy); font-size: 0.85rem; font-weight: 600; margin-bottom: 1.75rem; }
.season-card__grid {
  display: grid; gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-on-navy);
}
.season-card__label { color: var(--gold-light); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.season-card__grid p:last-child { margin: 0; font-size: 0.95rem; color: #eef0f3; }
.season-card__quote {
  margin: 1.75rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-on-navy);
  color: var(--gold-light);
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
@media (min-width: 760px) {
  .season-card__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Partners / logo grid ---------- */
.partners__head {
  display: flex; flex-direction: column; gap: 0.3rem;
  margin-bottom: 1.5rem;
}
.partners__title { font-weight: 800; font-size: 0.85rem; letter-spacing: 0.04em; margin: 0; }
.partners__sub { font-size: 0.72rem; font-weight: 700; color: var(--muted); letter-spacing: 0.04em; margin: 0; }
@media (min-width: 760px) {
  .partners__head { flex-direction: row; justify-content: space-between; align-items: baseline; }
}
.logo-grid {
  list-style: none; margin: 0 0 1.5rem; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.logo-grid li {
  background: #fff;
  min-height: 70px;
  display: flex; align-items: center; justify-content: center;
  padding: 0.85rem;
}
.logo-grid img { max-height: 28px; width: auto; max-width: 100%; object-fit: contain; filter: grayscale(0.15); }
.logo-grid__more {
  grid-column: 1 / -1;
  font-size: 0.62rem; font-weight: 800; text-align: center; line-height: 1.35;
  color: var(--gold-ink);
  letter-spacing: 0.02em;
}
@media (min-width: 540px) {
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 860px) {
  .logo-grid { grid-template-columns: repeat(7, 1fr); }
  .logo-grid img { max-height: 32px; }
  .logo-grid__more { grid-column: auto; }
}
.partners__footnote {
  font-size: 0.78rem; color: var(--muted); max-width: 72ch; margin: 0;
}

/* ---------- Audience cards (section 02) ---------- */
.audience {
  display: grid; gap: 1.25rem;
  margin: 0 0 clamp(3rem, 8vw, 4.5rem);
}
.audience__card {
  background: var(--cream-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2rem);
}
.audience__card--accent { background: #fbf2d8; border-color: #ecdca3; }
.audience__stat {
  display: flex; align-items: baseline; gap: 0.6rem;
  margin-bottom: 1rem;
}
.audience__stat strong { font-family: var(--font-display); font-size: 2rem; color: var(--ink); }
.audience__stat span { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em; color: var(--gold-ink); }
.audience__card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.audience__card p { font-size: 0.92rem; color: #3c4451; }
.tags { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li {
  font-size: 0.75rem; font-weight: 700;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0.35em 0.75em;
  border-radius: 999px;
  color: var(--ink);
}
.audience__card--accent .tags li { background: #fff; border-color: #ecdca3; }
@media (min-width: 860px) {
  .audience { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Values (giá trị) ---------- */
.values {
  display: grid; gap: 1.75rem 2rem;
  margin-top: 1.75rem;
}
.value__icon { color: var(--gold-ink); margin-bottom: 0.75rem; }
.value h3 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 700; margin-bottom: 0.4rem; }
.value p { font-size: 0.92rem; color: #3c4451; margin: 0; }
@media (min-width: 760px) {
  .values { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Speakers (section 04) ---------- */
.speakers__lede {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 500;
  font-size: clamp(1.3rem, 4.2vw, 1.9rem);
  max-width: 28ch;
  margin-bottom: clamp(2.5rem, 7vw, 3.5rem);
}
.speakers {
  display: grid; gap: 2rem;
}
.speaker__info { display: contents; }
.speaker img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 0.9rem;
  background: var(--navy-800);
}
/* Đặng Huỳnh Ức My: show the full original portrait, no crop (chị Tuyền, 02/10 14:15) —
   same square frame as the other speakers, but object-fit:contain so nothing is cut off;
   the navy background fills the leftover space either side. */
.speaker--full img {
  object-fit: contain;
}
.speaker__session {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em;
  color: var(--gold-light);
  margin-bottom: 0.5rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--gold);
}
.speaker h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.speaker__role { font-size: 0.85rem; color: var(--muted-on-navy); font-weight: 600; margin-bottom: 0.75rem; }
.speaker__bio { font-size: 0.88rem; color: #d6dbe2; margin: 0; padding-top: 0.75rem; border-top: 1px solid var(--line-on-navy); }
@media (min-width: 640px) {
  .speakers { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .speakers { grid-template-columns: repeat(3, 1fr); }
}

.moderator {
  margin-top: clamp(2.5rem, 7vw, 3.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-on-navy);
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.9rem 1.2rem;
  color: var(--gold-light);
}
.moderator__label { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.08em; margin: 0; }
.moderator__name { font-family: var(--font-display); color: #fff; font-size: 1.05rem; margin: 0; }
.moderator__note { margin: 0 0 0 auto; font-size: 0.78rem; color: var(--muted-on-navy); }

/* ---------- Schedule / journey (section 05) ---------- */
.schedule-hero {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: clamp(2.5rem, 7vw, 3.5rem);
}
.schedule-hero img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
@media (min-width: 760px) { .schedule-hero img { aspect-ratio: 16 / 6; } }

.journey { display: grid; gap: clamp(3rem, 8vw, 4rem); }
.journey__label {
  font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em;
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--gold);
  color: var(--ink);
}
.journey__label--parallel { color: var(--gold-ink); }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline__item {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 1rem;
  padding-bottom: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.timeline__item:last-child { margin-bottom: 0; border-bottom: none; padding-bottom: 0; }
.timeline__time {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gold-ink);
  font-size: 1.05rem;
  margin: 0;
}
.timeline__time--dash { color: var(--muted); }
.timeline__body h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 800; letter-spacing: 0.02em; margin-bottom: 0.4rem; }
.timeline__body p { font-size: 0.92rem; color: #3c4451; margin: 0 0 0.5rem; }
.timeline__panel { font-size: 0.82rem !important; color: var(--muted) !important; font-weight: 600; }
.timeline__body img { border-radius: 10px; margin-top: 0.75rem; width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.timeline__photo-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin-top: 0.75rem; }
.timeline__photo-pair img { margin-top: 0; }

@media (min-width: 540px) {
  .timeline__item { grid-template-columns: 4.5rem 1fr; }
}

/* ---------- Closing ---------- */
.closing {
  background: var(--cream);
  padding: clamp(3.5rem, 10vw, 6rem) var(--gutter);
  position: relative;
  overflow: hidden;
  text-align: left;
}
.closing__dots {
  position: absolute;
  top: -5%; right: -8%;
  width: min(60vw, 420px);
  opacity: 0.9;
  pointer-events: none;
  z-index: 0;
}
.closing > *:not(.closing__dots) { position: relative; z-index: 1; max-width: var(--container); margin-left: auto; margin-right: auto; }
.closing h2 { font-size: clamp(2rem, 7vw, 3.2rem); max-width: 14ch; }
.closing p { font-size: 1.05rem; max-width: 56ch; color: #3c4451; }
.closing__photo { border-radius: var(--radius); overflow: hidden; margin: 2rem auto; }
.closing__photo img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.closing__pdf { margin-top: 0.5rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: var(--muted-on-navy);
  text-align: center;
  padding: 2rem var(--gutter) 2.5rem;
  font-size: 0.8rem;
}
.site-footer p { margin: 0 0 0.5rem; }
.site-footer a { color: var(--gold-light); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }