/* =========================================================
   BRIXON (브릭슨) — Event-Tech Platform Landing
   Light theme · Toss-inspired (토스뱅크 느낌)
   clean white · big bold type · soft cards · Toss blue
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --bg:           #ffffff;
  --surface:      #ffffff;
  --surface-2:    #F2F4F6;   /* gray-100 section alt */
  --surface-3:    #F9FAFB;
  --card:         #ffffff;

  --navy:         #0A2A66;
  --ink:          #191F28;   /* gray-900 headings/body */
  --ink-2:        #4E5968;   /* gray-700 secondary */
  --ink-3:        #8B95A1;   /* gray-500 muted */
  --line:         #E5E8EB;   /* gray-200 */
  --line-2:       #EDF0F2;

  --brand:        #4571C4;   /* Modumice steel blue (from logo) */
  --brand-strong: #355aa0;   /* hover */
  --brand-2:      #4E9AA2;   /* logo teal */
  --brand-soft:   #EAF0F9;   /* light steel tint */
  --on-brand:     #ffffff;

  --radius:       20px;
  --radius-lg:    28px;
  --radius-btn:   14px;
  --shadow-sm:    0 1px 4px rgba(17,24,39,.05);
  --shadow:       0 10px 28px rgba(17,24,39,.08);
  --shadow-lg:    0 20px 48px rgba(17,24,39,.12);
  --shadow-blue:  0 8px 20px rgba(49,130,246,.28);

  --maxw:         1180px;
  --header-h:     74px;
  --ease:         cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  font-family: "Pretendard", "Pretendard Variable", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
::selection { background: rgba(49,130,246,.18); color: var(--ink); }

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }

/* ---------- Buttons (Toss: rounded-rect, bold) ---------- */
.btn {
  --pad-y: .9em; --pad-x: 1.6em;
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  padding: var(--pad-y) var(--pad-x);
  border-radius: var(--radius-btn);
  font-weight: 700; font-size: .98rem; letter-spacing: -.01em;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: var(--on-brand); box-shadow: var(--shadow-blue); }
.btn-primary:hover { background: var(--brand-strong); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(49,130,246,.35); }
.btn-ghost { background: var(--surface-2); color: var(--ink); }
.btn-ghost:hover { background: var(--line); transform: translateY(-2px); }
.btn-sm { font-size: .9rem; --pad-y: .65em; --pad-x: 1.2em; }
.btn-lg { font-size: 1.05rem; --pad-y: 1em; --pad-x: 2em; }
.btn-block { width: 100%; }

/* ---------- Header / GNB ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 100;
  display: flex; align-items: center;
  background: transparent;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

/* brand */
.brand { display: inline-flex; align-items: center; gap: .55rem; }
.brand-mark { height: 34px; width: auto; display: block; flex: 0 0 auto; }
.brand-text {
  font-family: "Baloo 2", "Pretendard", sans-serif;
  font-weight: 700; font-size: 1.4rem; letter-spacing: -.01em; line-height: 1;
  display: inline-flex; align-items: baseline; gap: .4rem; color: var(--ink);
}
.brand-text small { font-family: "Pretendard", sans-serif; font-size: .72rem; font-weight: 600; color: var(--ink-3); letter-spacing: 0; }
/* logo variants: white over hero photo, color when scrolled onto white */
.brand-mark--dark { display: none; }
.site-header.scrolled .brand-mark--light { display: none; }
.site-header.scrolled .brand-mark--dark { display: block; }
/* header sits over the dark photo hero until scrolled */
.site-header:not(.scrolled) .brand-text { color: #fff; }
.site-header:not(.scrolled) .brand-text small { color: rgba(255,255,255,.72); }
.site-header:not(.scrolled) .gnb-link { color: rgba(255,255,255,.9); }
.site-header:not(.scrolled) .gnb-link:hover { color: #fff; background: rgba(255,255,255,.14); }
.site-header:not(.scrolled) .nav-toggle span { background: #fff; }

/* gnb */
.gnb-list { display: flex; align-items: center; gap: .15rem; }
.gnb-item { position: relative; }
.gnb-link {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .6rem .95rem; border-radius: 10px;
  font-weight: 600; font-size: .98rem; color: var(--ink-2);
  transition: color .2s, background .2s;
}
.gnb-link:hover { color: var(--brand); background: var(--surface-2); }
.has-dropdown > .gnb-link::after {
  content: ""; width: 6px; height: 6px; border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px);
  opacity: .45; transition: transform .25s var(--ease);
}
.has-dropdown:hover > .gnb-link::after { transform: rotate(225deg) translateY(0); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 240px; background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: .5rem; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}
.dropdown::before { content: ""; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown-mega { display: grid; grid-template-columns: 1fr 1fr; min-width: 460px; gap: .25rem; }
.dropdown-link {
  display: flex; flex-direction: column; gap: 1px;
  padding: .65rem .8rem; border-radius: 12px; transition: background .18s;
}
.dropdown-link strong { font-size: .92rem; color: var(--ink); }
.dropdown-link span { font-size: .78rem; color: var(--ink-3); }
.dropdown-link:hover { background: var(--surface-2); }
.dropdown-link:hover strong { color: var(--brand); }

.header-actions { display: flex; align-items: center; gap: .6rem; }

/* nav toggle (mobile) */
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile drawer */
.mobile-drawer {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 99;
  background: #fff; padding: 1.5rem 20px 2.5rem; overflow-y: auto;
  transform: translateY(-12px); opacity: 0; visibility: hidden;
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
}
.mobile-drawer.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-nav { display: flex; flex-direction: column; gap: .3rem; }
.mobile-nav details { border-bottom: 1px solid var(--line); }
.mobile-nav summary { padding: 1rem .3rem; font-weight: 700; font-size: 1.05rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; color: var(--ink); }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary::after { content: "+"; font-size: 1.3rem; color: var(--ink-3); font-weight: 400; }
.mobile-nav details[open] summary::after { content: "−"; }
.mobile-nav details a { display: block; padding: .55rem .3rem .55rem 1rem; color: var(--ink-2); font-size: .98rem; }
.mobile-single { padding: 1rem .3rem; font-weight: 700; font-size: 1.05rem; border-bottom: 1px solid var(--line); color: var(--ink); }
.mobile-nav .btn { margin-top: 1.4rem; }

/* ---------- Section base ---------- */
.section { padding: clamp(72px, 9vw, 132px) 0; position: relative; }
.eyebrow {
  font-size: .85rem; font-weight: 700; letter-spacing: .02em;
  color: var(--brand); margin-bottom: .9rem;
}
.eyebrow.center { text-align: center; }
.section-title {
  font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.25;
  color: var(--ink);
}
.section-title.center { text-align: center; }
.section-lead { color: var(--ink-2); font-size: 1.1rem; margin-top: 1.2rem; }
.section-lead.center { text-align: center; }
.section-lead strong { color: var(--ink); font-weight: 700; }
.section-lead.light { color: rgba(255,255,255,.82); }
.section-lead.light strong { color: #fff; }
.maxw { max-width: 660px; margin-inline: auto; }
.grad-text { color: var(--brand); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-top: var(--header-h); color: #fff; overflow: hidden;
  background: #0c1733;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-photo {
  position: absolute; inset: 0;
  background: url("../assets/img/hero-conference.jpg") center 35% / cover no-repeat;
  transform: scale(1.04);
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(9,16,38,.62) 0%, rgba(10,20,46,.72) 55%, rgba(8,16,38,.92) 100%),
    radial-gradient(120% 80% at 50% 30%, rgba(40,70,140,.35), rgba(8,16,38,.2) 70%);
}
.hero-inner { position: relative; z-index: 1; text-align: center; padding-block: 4rem; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1.15rem; border-radius: 999px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: .9rem; font-weight: 700; letter-spacing: .01em; color: #fff;
  margin-bottom: 2rem;
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: #6FE3C0; box-shadow: 0 0 0 4px rgba(111,227,192,.25); }
.hero-title { font-size: clamp(2.9rem, 7.4vw, 5.6rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.1; color: #fff; text-shadow: 0 2px 30px rgba(0,0,0,.35); }
.hero-title .grad-text { color: #8FD0FF; }
.hero-sub { margin: 1.8rem auto 0; max-width: 660px; font-size: clamp(1.15rem, 2vw, 1.5rem); color: rgba(255,255,255,.9); line-height: 1.6; text-shadow: 0 1px 14px rgba(0,0,0,.3); }
.hero-cta { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; margin-top: 2.6rem; }
.hero .btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1.5px solid rgba(255,255,255,.45); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.24); border-color: #fff; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  max-width: 820px; margin: 4.2rem auto 0;
  padding-top: 2.6rem; border-top: 1px solid rgba(255,255,255,.2);
}
.hero-stats .stat strong { display: block; font-size: clamp(2rem, 3.6vw, 2.8rem); font-weight: 800; letter-spacing: -.03em; color: #fff; }
.hero-stats .stat span { font-size: .92rem; color: rgba(255,255,255,.72); }

/* ---------- Trust ---------- */
.trust { padding: 2.8rem 0; background: var(--surface-2); }
.trust-label { text-align: center; font-size: .92rem; color: var(--ink-3); margin-bottom: 1.4rem; }
.logo-row {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: clamp(1.5rem, 5vw, 3.4rem);
}
.logo-row span {
  font-weight: 700; letter-spacing: -.01em; font-size: 1.05rem; color: var(--ink-2);
  opacity: .55; transition: opacity .25s, color .25s;
}
.logo-row span:hover { opacity: 1; color: var(--brand); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.value-list { margin-top: 2.2rem; display: flex; flex-direction: column; gap: 1.1rem; }
.value-item { display: flex; gap: 1rem; }
.value-ico {
  flex: 0 0 auto; width: 48px; height: 48px; border-radius: 15px;
  display: grid; place-items: center; font-size: 1.25rem; color: var(--brand);
  background: var(--brand-soft);
}
.value-item strong { font-size: 1.05rem; color: var(--ink); }
.value-item p { font-size: .95rem; color: var(--ink-2); }

.about-visual { display: flex; justify-content: center; }
.vision-card {
  position: relative; width: 100%; padding: 2.8rem 2.4rem;
  border-radius: var(--radius-lg); color: #fff; overflow: hidden;
  background: var(--navy);
  box-shadow: var(--shadow-lg);
}
.vision-card::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 30px 30px; opacity: .5; pointer-events: none;
}
.vision-tag { position: relative; font-size: .8rem; font-weight: 700; letter-spacing: .04em; color: var(--brand-2); margin-bottom: 1.2rem; }
.vision-quote { position: relative; font-size: 1.34rem; font-weight: 700; line-height: 1.5; letter-spacing: -.02em; }
.vision-meta { position: relative; display: flex; align-items: center; gap: .8rem; margin-top: 1.8rem; font-size: .85rem; color: rgba(255,255,255,.7); }
.vision-meta i { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.4); }

/* ---------- History ---------- */
.history { background: var(--surface-2); }
.timeline { margin-top: 3.2rem; position: relative; display: grid; gap: 1rem; }
.timeline::before { content: ""; position: absolute; left: 76px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { display: grid; grid-template-columns: 76px 1fr; gap: 1.4rem; align-items: start; position: relative; }
.tl-year { font-weight: 800; font-size: 1.12rem; color: var(--brand); text-align: right; padding-top: .15rem; }
.tl-body {
  position: relative; background: #fff; border: 1px solid var(--line-2); border-radius: 16px;
  padding: 1.1rem 1.4rem; box-shadow: var(--shadow-sm);
}
.tl-body::before {
  content: ""; position: absolute; left: -27px; top: 16px; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 3px solid var(--brand);
}
.is-now .tl-body::before { background: var(--brand); box-shadow: 0 0 0 5px rgba(49,130,246,.18); }
.tl-body strong { font-size: 1.06rem; color: var(--ink); }
.tl-body p { font-size: .94rem; color: var(--ink-2); }

/* ---------- Solutions ---------- */
.solutions .section-lead { margin-bottom: 3rem; }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.sol-card {
  position: relative; background: #fff; border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 2rem 1.8rem 1.9rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  overflow: hidden;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.sol-num {
  display: inline-grid; place-items: center; min-width: 38px; height: 38px; padding: 0 .5rem;
  font-size: .92rem; font-weight: 800; letter-spacing: .02em;
  color: var(--brand); background: var(--brand-soft); border-radius: 11px;
  margin-bottom: 1.1rem;
}
.sol-card h3 { font-size: 1.32rem; letter-spacing: -.02em; margin-bottom: .6rem; color: var(--ink); }
.sol-card p { font-size: .96rem; color: var(--ink-2); line-height: 1.6; }
.sol-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.3rem; }
.sol-tags li {
  font-size: .78rem; font-weight: 600; color: var(--ink-2);
  background: var(--surface-2); padding: .3rem .65rem; border-radius: 8px;
}

/* ---------- Why ---------- */
.why { background: var(--surface-2); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 3rem; }
.why-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 1.9rem 1.6rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.why-ico {
  display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px;
  font-size: 1.45rem; background: var(--brand-soft); margin-bottom: 1.1rem;
}
.why-card h3 { font-size: 1.15rem; margin-bottom: .5rem; color: var(--ink); }
.why-card p { font-size: .94rem; color: var(--ink-2); }

/* ---------- Security (bold navy block for contrast) ---------- */
.security {
  position: relative; color: #fff; overflow: hidden; background: var(--navy);
}
.sec-bg { position: absolute; inset: 0; z-index: 0; }
.sec-bg .grid-overlay {
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 80%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 80%);
}
.sec-bg .glow-1 { background: #2E6BFF; opacity: .35; top: -120px; right: -40px; }
.sec-bg .glow-2 { background: #00C8FF; opacity: .2; }
.sec-inner { position: relative; z-index: 1; }
.security .section-title { color: #fff; }
.security .eyebrow { color: #7FB2FF; }
.sec-head { margin-bottom: 3rem; }

.sec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.sec-card {
  position: relative; padding: 2rem 1.7rem; border-radius: var(--radius);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  transition: transform .3s var(--ease), background .3s, border-color .3s;
}
.sec-card:hover { transform: translateY(-5px); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); }
.sec-card.highlight { background: rgba(49,130,246,.22); border-color: rgba(127,178,255,.5); }
.sec-ico {
  display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px;
  font-size: 1.5rem; background: rgba(255,255,255,.1); margin-bottom: 1.1rem;
}
.sec-card h3 { font-size: 1.18rem; letter-spacing: -.02em; margin-bottom: .55rem; color: #fff; }
.sec-card p { font-size: .94rem; color: rgba(255,255,255,.72); line-height: 1.6; }

.sec-badges {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  margin-top: 2.6rem; padding-top: 2.6rem; border-top: 1px solid rgba(255,255,255,.14);
  text-align: center;
}
.sec-badges li strong { display: block; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: -.02em; color: var(--brand-2); }
.sec-badges li span { font-size: .88rem; color: rgba(255,255,255,.6); }

/* ---------- Project + Insight head ---------- */
.project-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: 2.8rem; flex-wrap: wrap; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.proj-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.proj-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.proj-thumb { aspect-ratio: 16/10; display: grid; place-items: center; position: relative; overflow: hidden; }
.proj-thumb span { font-weight: 800; font-size: 1.6rem; letter-spacing: .18em; color: rgba(255,255,255,.96); z-index: 1; }
.proj-thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 24px 24px;
}
.thumb-a { background: linear-gradient(135deg, #0A2A66, #3182F6); }
.thumb-b { background: linear-gradient(135deg, #3182F6, #00C8FF); }
.thumb-c { background: linear-gradient(135deg, #0A2A66, #00C8FF); }
.proj-info { padding: 1.5rem 1.6rem 1.7rem; }
.proj-tag { font-size: .8rem; font-weight: 700; color: var(--brand); }
.proj-info h3 { font-size: 1.2rem; margin: .5rem 0 .55rem; letter-spacing: -.02em; color: var(--ink); }
.proj-info p { font-size: .94rem; color: var(--ink-2); }

/* ---------- Insight ---------- */
.insight { background: var(--surface-2); }
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.post-card {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 1.9rem 1.7rem; display: flex; flex-direction: column; gap: .7rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.post-cat {
  align-self: flex-start; font-size: .76rem; font-weight: 700; color: var(--brand);
  background: var(--brand-soft); padding: .3rem .7rem; border-radius: 999px;
}
.post-card h3 { font-size: 1.16rem; letter-spacing: -.02em; line-height: 1.4; color: var(--ink); }
.post-card p { font-size: .92rem; color: var(--ink-2); flex: 1; }
.post-date { font-size: .84rem; color: var(--ink-3); }

/* ---------- Webinar ---------- */
.webinar-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.webinar-card {
  position: relative; background: var(--navy);
  color: #fff; border-radius: var(--radius-lg); padding: 2.6rem 2.4rem; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.webinar-card::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 30px 30px; pointer-events: none;
}
.live-badge {
  position: relative; display: inline-block; font-size: .76rem; font-weight: 800; letter-spacing: .1em;
  background: var(--brand); color: #fff; padding: .35rem .75rem; border-radius: 999px; margin-bottom: 1.2rem;
}
.webinar-date { position: relative; color: var(--brand-2); font-weight: 700; font-size: .96rem; }
.webinar-card h3 { position: relative; font-size: 1.42rem; letter-spacing: -.02em; margin: .5rem 0 .8rem; line-height: 1.35; }
.webinar-desc { position: relative; font-size: .96rem; color: rgba(255,255,255,.74); }
.webinar-list { position: relative; margin-top: 1.5rem; display: flex; flex-direction: column; gap: .65rem; }
.webinar-list li { position: relative; padding-left: 1.6rem; font-size: .94rem; color: rgba(255,255,255,.9); }
.webinar-list li::before { content: "✓"; position: absolute; left: 0; color: var(--brand-2); font-weight: 800; }

/* ---------- Contact ---------- */
.contact { background: var(--surface-2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-info { margin-top: 2.2rem; display: flex; flex-direction: column; gap: 1rem; }
.contact-info li { display: flex; gap: 1rem; align-items: baseline; font-size: 1rem; }
.contact-info span { flex: 0 0 60px; font-weight: 700; color: var(--ink-3); font-size: .9rem; }
.contact-info a { font-weight: 600; color: var(--ink); }
.contact-info a:hover { color: var(--brand); }

.contact-form {
  background: #fff; border: 1px solid var(--line-2); border-radius: var(--radius-lg);
  padding: 2.4rem; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 1.1rem;
}
.field { display: flex; flex-direction: column; gap: .45rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { font-size: .88rem; font-weight: 700; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 1rem; border: 1.5px solid var(--line); border-radius: 13px;
  background: var(--surface-3); color: var(--ink); transition: border-color .2s, background .2s, box-shadow .2s;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); }
.field select option { background: #fff; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); background: #fff;
  box-shadow: 0 0 0 4px rgba(49,130,246,.14);
}
.field input.invalid, .field select.invalid { border-color: #F04452; }
.form-note { font-size: .9rem; text-align: center; min-height: 1.2em; }
.form-note.ok { color: var(--brand); }
.form-note.err { color: #F04452; }

/* ---------- Footer (light) ---------- */
.site-footer { background: var(--surface-3); color: var(--ink-2); padding-top: 4rem; border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 1.3fr 2.7fr; gap: 2.5rem; padding-bottom: 3rem; }
.brand-light .brand-text { color: var(--ink); }
.footer-desc { margin-top: 1.1rem; font-size: .92rem; color: var(--ink-3); line-height: 1.7; }
.footer-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.fcol h4 { font-size: .82rem; font-weight: 800; letter-spacing: .02em; color: var(--ink); margin-bottom: 1rem; }
.fcol a { display: block; font-size: .92rem; color: var(--ink-3); padding: .32rem 0; transition: color .2s; }
.fcol a:hover { color: var(--brand); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  padding: 1.6rem 0; border-top: 1px solid var(--line); font-size: .86rem; color: var(--ink-3);
}
.footer-legal { display: flex; gap: 1.4rem; }
.footer-legal a:hover { color: var(--brand); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .gnb { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-primary { display: none; }
  .about-grid, .webinar-inner, .contact-grid { grid-template-columns: 1fr; }
  .sol-grid, .why-grid, .project-grid, .insight-grid, .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 620px) {
  :root { --header-h: 64px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 1.8rem 1rem; }
  .sol-grid, .why-grid, .project-grid, .insight-grid, .sec-grid { grid-template-columns: 1fr; }
  .sec-badges { grid-template-columns: repeat(2, 1fr); gap: 1.8rem 1rem; }
  .field-row { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 60px; }
  .tl-item { grid-template-columns: 60px 1fr; gap: 1rem; }
  .tl-body::before { left: -23px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}