/* ───────────────────────────────────────────
   Feelyoworks · 미래가치개발원
   v3 · GUARDBASE 톤 흡수
   - 그리드 패턴 백그라운드
   - 직각 모서리, 모노 강화
   - 형광 청록 + 딥 다크
   ─────────────────────────────────────────── */

:root {
  /* Surfaces */
  --bg:        #07101F;   /* 메인 배경 — 거의 검정에 가까운 딥 네이비 */
  --bg-soft:   #0B1424;
  --bg-card:   #111C30;
  --bg-card-2: #182640;
  --bg-mute:   #0E1828;

  /* Ink */
  --ink:        #F2F4F8;
  --ink-soft:   #BFC8D6;
  --muted:      #7A8597;
  --muted-soft: #4F5868;

  /* Lines */
  --line:       rgba(255, 255, 255, 0.07);
  --line-soft:  rgba(255, 255, 255, 0.035);
  --line-strong: rgba(255, 255, 255, 0.14);

  /* Accent — 더 brighter한 청록 (형광 톤) */
  --accent:        #2BE8B9;
  --accent-bright: #5DFCD4;
  --accent-deep:   #14B89A;
  --accent-soft:   rgba(43, 232, 185, 0.10);
  --accent-line:   rgba(43, 232, 185, 0.32);
  --accent-glow:   rgba(43, 232, 185, 0.18);

  /* Type */
  --font-kr: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-en: "Inter", var(--font-kr);
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;

  /* Radii — 직각화 */
  --r-card: 6px;
  --r-lg:   10px;
  --r-sm:   4px;
  --r-btn:  4px;

  /* Layout */
  --max-w: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-kr);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--accent-soft); color: var(--ink); }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 1rem; top: 1rem;
  background: var(--ink); color: var(--bg);
  padding: .6rem 1rem; border-radius: 4px; z-index: 100;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem var(--gutter);
  background: rgba(7, 16, 31, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 700;
}
.brand-mark {
  width: 30px; height: 30px;
  flex-shrink: 0;
  border-radius: 4px;
}
.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand-name {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 1px;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  font-family: var(--font-en);
  letter-spacing: 0;
}
.nav a { padding: .35rem 0; position: relative; transition: color .15s; }
.nav a:hover { color: var(--accent); }
.nav a:hover::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--accent);
}

.header-cta { margin-left: 0.4rem; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  display: block;
  position: absolute;
  left: 50%; transform: translateX(-50%);
  width: 18px; height: 1.5px;
  background: var(--ink);
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: .25rem;
  padding: 1rem var(--gutter) 1.5rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.mobile-nav a {
  padding: .85rem .25rem;
  font-size: 1rem;
  font-weight: 600;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-nav a.btn { margin-top: .8rem; border-bottom: none; justify-content: center; }
.mobile-nav[hidden] { display: none; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .8rem 1.25rem;
  border-radius: var(--r-btn);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, background .15s, color .15s, border-color .15s, box-shadow .2s;
  white-space: nowrap;
}
.btn-sm { padding: .5rem .95rem; font-size: 0.82rem; }
.btn-lg { padding: 1rem 1.7rem; font-size: 1rem; }

.btn-accent {
  background: var(--accent);
  color: #07101F;
}
.btn-accent:hover {
  background: var(--accent-bright);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Layout ─── */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
  border-top: 1px solid var(--line);
}
.section:first-of-type { border-top: none; }
.section-compact { padding: clamp(3.5rem, 7vw, 5.5rem) 0; }

.section-head {
  margin-bottom: 2.6rem;
  max-width: 760px;
}
.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-sub {
  margin: .8rem 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.7;
}

/* ─── Eyebrow / Section Number ─── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  margin: 0 0 1.1rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}
.sec-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
  padding: .15rem .45rem;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  margin-right: .15rem;
  letter-spacing: 0.05em;
}

h1, h2, h3, h4 {
  margin: 0 0 1rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.2rem, 5.4vw, 4.2rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.055em;
}
h1 .hl {
  color: var(--accent-bright);
  font-weight: 900;
  position: relative;
  white-space: nowrap;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.045em;
}
h3 {
  font-size: 1.18rem;
  line-height: 1.4;
  letter-spacing: -0.025em;
}
h4 {
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: .4rem;
}

p { margin: 0 0 1rem; color: var(--ink-soft); }
p:last-child { margin-bottom: 0; }

.meta {
  margin-top: .85rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.meta em { font-style: normal; }

/* ─── Hero ─── */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(4.5rem, 9vw, 7.5rem);
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 70%;
  height: 70%;
  background: radial-gradient(ellipse at center, var(--accent-glow), transparent 70%);
  filter: blur(80px);
  z-index: -1;
  opacity: 0.55;
  pointer-events: none;
}
.hero-text .lede {
  margin: 1.5rem 0 2.1rem;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 540px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: .4rem;
}

/* Hero stats — GUARDBASE 데이터시트 톤 */
.hero-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
}
.hero-stats::before {
  content: "[ METRICS ]";
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--bg);
  padding: 0 .5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  z-index: 1;
}
.stat {
  background: var(--bg-card);
  padding: 1.7rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  transition: background .2s;
  position: relative;
}
.stat:hover { background: var(--bg-card-2); }
.stat-num {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: clamp(2rem, 3.6vw, 2.7rem);
  letter-spacing: -0.045em;
  color: var(--ink);
  line-height: 1;
}
.stat-num span {
  font-size: 0.55em;
  color: var(--accent);
  margin-left: 3px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.stat-label strong { color: var(--accent); font-weight: 600; }
.stat-accent {
  background: var(--bg-card-2);
  position: relative;
}
.stat-accent::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 100%;
  background: var(--accent);
}
.stat-accent .stat-num {
  color: var(--accent-bright);
}

/* ─── About / Pillars ─── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.pillar {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 1.9rem 1.7rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative;
}
.pillar:hover {
  border-color: var(--accent-line);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent-line), 0 8px 24px rgba(0,0,0,0.3);
}
.pillar-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding: .25rem .55rem;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  margin-bottom: 1.2rem;
}
.pillar-tag-ko {
  font-family: var(--font-kr);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
  padding: .3rem .6rem;
}
.pillar h3 { font-size: 1.22rem; margin-bottom: .7rem; }
.pillar p { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.65; }
.pillar-accent {
  background: var(--bg-card-2);
  border-color: var(--accent-line);
}
.pillar-accent .pillar-tag {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

/* ─── Programs (Cards) ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 1.8rem 1.7rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--accent-line);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent-line), 0 8px 24px rgba(0,0,0,0.3);
}

.card-icon {
  width: 40px; height: 40px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  border: 1px solid var(--accent-line);
}
.card-icon svg { width: 22px; height: 22px; }

.card h3 { margin-bottom: .55rem; font-size: 1.2rem; }
.card p { color: var(--ink-soft); font-size: 0.96rem; line-height: 1.65; }

.card-link {
  margin-top: auto;
  padding-top: 1.1rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  display: inline-block;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  width: fit-content;
}
.card:hover .card-link { color: var(--accent-bright); }

/* ─── Logo Wall ─── */
.logos-section {
  background: var(--bg-soft);
  margin: 0 calc(-1 * var(--gutter));
  padding: clamp(4rem, 8vw, 6rem) var(--gutter);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 32px 32px;
}
.logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1080px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  overflow: hidden;
}
.logo-grid li {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  padding: 1rem 1.25rem;
  background: #FFFFFF;
  transition: background .2s, transform .2s;
}
.logo-grid img {
  max-height: 56px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.78;
  transition: filter .25s, opacity .25s, transform .25s;
}
.logo-grid li:hover img { filter: grayscale(0); opacity: 1; transform: scale(1.04); }
.logo-foot {
  text-align: center;
  margin-top: 1.4rem;
  font-size: 0.86rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ─── Resources ─── */
.grid-resources {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}
.rcard {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 1.5rem 1.4rem;
  transition: border-color .2s, transform .2s;
}
.rcard:hover { border-color: var(--accent-line); transform: translateY(-2px); }
.rcard-icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}
.rcard-icon svg { width: 24px; height: 24px; }
.rcard h3 {
  font-size: 0.96rem;
  margin-bottom: .35rem;
  letter-spacing: -0.025em;
}
.rcard p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  margin: 0;
}

.resource-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  justify-content: center;
  margin-top: 2.4rem;
}

/* ─── Demo List (Tools 격하 — 작은 인라인 리스트) ─── */
.demo-list {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.demo-list li a {
  display: grid;
  grid-template-columns: 110px 1fr 1.6fr auto;
  gap: 1.6rem;
  align-items: center;
  padding: 1.1rem 1.6rem;
  background: var(--bg-card);
  transition: background .15s, color .15s;
  color: var(--ink);
}
.demo-list li a:hover {
  background: var(--bg-card-2);
}
.demo-list li a:hover .demo-name { color: var(--accent); }
.demo-list li a:hover .demo-go { color: var(--accent); }

.demo-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: .25rem .5rem;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  width: fit-content;
}
.demo-name {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.98rem;
  letter-spacing: -0.02em;
  transition: color .15s;
}
.demo-desc {
  color: var(--muted);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  letter-spacing: 0.005em;
}
.demo-go {
  color: var(--muted);
  font-size: 1.15rem;
  font-weight: 700;
  transition: color .15s, transform .15s;
}
.demo-list li a:hover .demo-go { transform: translate(2px, -2px); }

/* ─── Profile ─── */
.profile-grid {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.profile-photo { margin: 0; width: 100%; }
.profile-photo img,
.photo-placeholder {
  width: 100%;
  aspect-ratio: 5/6;
  border-radius: var(--r-card);
  object-fit: cover;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
}
.photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}
.photo-placeholder svg { width: 78%; height: auto; }

.profile-lead {
  font-size: clamp(1.05rem, 1.55vw, 1.25rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.profile-list {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--line);
}
.profile-list > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1.4rem;
  padding: 1.1rem 1.4rem;
  background: var(--bg-card);
  border: none;
}
.profile-list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 4px;
}
.profile-list dd {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.profile-list dd strong {
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.85em;
  margin-right: .5rem;
}

/* ─── Contact ─── */
.contact-card {
  background: var(--bg-card);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--accent-glow), transparent 65%);
  pointer-events: none;
}
.contact-card .eyebrow { color: var(--accent); justify-content: center; }
.contact-card h2 {
  color: var(--ink);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.contact-lead {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 1rem auto 2.2rem;
  max-width: 540px;
  line-height: 1.7;
}
.contact-meta {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.contact-meta .sep { margin: 0 .55rem; opacity: 0.5; }
.contact-meta a {
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: color .2s, border-color .2s;
}
.contact-meta a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ─── Footer ─── */
.site-footer {
  max-width: var(--max-w);
  margin: 4rem auto 0;
  padding: 3rem var(--gutter) 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.2rem;
}
.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .75rem 1.5rem;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color .2s, border-color .2s;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}
.footer-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.footer-meta {
  margin: 0 0 .4rem;
  font-size: 0.84rem;
  color: var(--muted);
}
.footer-copy {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ─── Responsive ─── */
@media (max-width: 980px) {
  .grid-resources { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
  .hero { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 2rem; }
  .hero-stats { max-width: 540px; }
  .profile-grid { grid-template-columns: minmax(180px, 240px) 1fr; }
  .demo-list li a {
    grid-template-columns: 110px 1fr auto;
    gap: 1.2rem;
  }
  .demo-desc { display: none; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .mobile-nav:not([hidden]) { display: flex; }

  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-stats { grid-template-columns: 1fr 1fr; }

  .grid-resources, .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .logo-grid li { height: 80px; padding: .8rem 1rem; }

  .profile-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .profile-photo { max-width: 240px; }
  .profile-list > div {
    grid-template-columns: 1fr;
    gap: .35rem;
    padding: 1rem 1.2rem;
  }
  .profile-list dt { padding-top: 0; }

  .demo-list li a {
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    padding: 1rem 1.2rem;
  }

  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-sub { display: none; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}