/* =========================================================
   Ascend NYC — styles.css
   Dark luxury · Silicon Alley
   ========================================================= */

:root {
  --bg: #000000;
  --bg-2: #000000;
  --bg-3: #0A0A0A;
  --surface: #15151E;
  --surface-2: #1B1B26;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #F2F2F5;
  --text-dim: #A8A8B5;
  --text-mute: #6E6E80;
  --accent: #F5A524;
  --accent-2: #FFC468;
  --accent-3: #FFD699;
  --accent-soft: rgba(245, 165, 36, 0.12);
  --accent-line: rgba(245, 165, 36, 0.40);
  --accent-rgb: 245, 165, 36;
  --danger: #ff6b6b;

  --radius: 14px;
  --radius-lg: 22px;

  --container: 1140px;
  --container-pad: 28px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Syne', 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  background: #000000;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms var(--ease), opacity 200ms var(--ease);
}

a:hover { color: var(--accent-2); }

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

/* =========================================================
   Layout
   ========================================================= */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  width: 100%;
}

.section {
  position: relative;
  padding: 140px 0;
}

.section__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 72px;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
}

.section__title em {
  font-style: normal;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFD699 55%, var(--accent) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section__sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  margin: 0 0 8px;
}

.section__lede {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 8px auto 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
}

.eyebrow--accent {
  color: var(--accent-2);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.grad {
  background: linear-gradient(135deg, #FFFFFF 0%, #FFD699 50%, var(--accent) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  --btn-bg: transparent;
  --btn-color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--btn-bg);
  color: var(--btn-color);
  cursor: pointer;
  transition: transform 220ms var(--ease), background 220ms var(--ease),
              border-color 220ms var(--ease), box-shadow 220ms var(--ease),
              color 220ms var(--ease);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.28);
}

.btn--primary {
  background: linear-gradient(180deg, #FFB949 0%, var(--accent) 100%);
  border-color: rgba(255,255,255,0.18);
  color: #1a1206;
  box-shadow: 0 10px 30px rgba(245,165,36,0.32), inset 0 1px 0 rgba(255,255,255,0.28);
  font-weight: 600;
}

.btn--primary:hover {
  background: linear-gradient(180deg, #FFC468 0%, #FFB949 100%);
  box-shadow: 0 14px 40px rgba(245,165,36,0.50), inset 0 1px 0 rgba(255,255,255,0.32);
  color: #1a1206;
}

.btn--ghost {
  background: rgba(255,255,255,0.02);
  color: var(--text);
}

.btn--ghost:hover { background: rgba(255,255,255,0.06); color: #fff; }

.btn--small { padding: 10px 16px; font-size: 0.86rem; }

.btn--lg { padding: 18px 28px; font-size: 1rem; }

.btn--full { width: 100%; justify-content: center; }

/* =========================================================
   Nav
   ========================================================= */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 4px 0;
  background: #000000;
  transition: background 280ms var(--ease), backdrop-filter 280ms var(--ease),
              border-color 280ms var(--ease), padding 280ms var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: #000000;
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  border-bottom-color: var(--line);
  padding: 3px 0;
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__links {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.nav__links a {
  position: relative;
  padding: 6px 0;
}

.nav__links a:after {
  content: '';
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent-2);
  transition: width 220ms var(--ease), left 220ms var(--ease);
}

.nav__links a:hover { color: #fff; }
.nav__links a:hover:after { width: 100%; left: 0; }

.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  width: 42px; height: 42px;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.nav__toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text);
  margin: 4px auto;
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}

.nav__toggle.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 14px;
  padding: 24px var(--container-pad) 28px;
  border-top: 1px solid var(--line);
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(14px);
}

.nav__mobile.is-open { display: flex; }
.nav__mobile a { padding: 8px 0; color: var(--text-dim); font-size: 1rem; }
.nav__mobile a:hover { color: #fff; }

/* Wordmark */
.wordmark {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.wordmark__logo {
  height: 78px;
  width: auto;
  flex-shrink: 0;
  display: block;
  background: #000;
}

.wordmark--lg .wordmark__logo { height: 240px; }

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 200px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute; inset: 0;
  z-index: 0;
}

.hero__bg canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.55;
}

.hero__mesh {
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(600px 400px at 20% 30%, rgba(245,165,36,0.22), transparent 60%),
    radial-gradient(700px 500px at 80% 70%, rgba(245,165,36,0.14), transparent 65%),
    radial-gradient(500px 360px at 50% 100%, rgba(255,200,120,0.10), transparent 70%);
  filter: blur(20px);
  animation: meshDrift 22s ease-in-out infinite alternate;
}

@keyframes meshDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-2%, 1%, 0) scale(1.04); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
  opacity: 0.35;
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 8px 0 4px;
  max-width: 100%;
}

.hero__sub {
  color: var(--text-dim);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  max-width: 56ch;
  margin: 0 0 14px;
}

.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  color: var(--text-mute);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__meta-sep {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text-mute);
}

.hero__meta .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent);
  display: inline-block;
  margin-right: 4px;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.25); opacity: 0.7; }
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px; height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  z-index: 2;
}

.hero__scroll span {
  display: block;
  width: 2px; height: 8px;
  background: var(--accent-2);
  border-radius: 2px;
  margin: 6px auto;
  animation: scroll 1.8s ease-in-out infinite;
}

@keyframes scroll {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* =========================================================
   Problem section
   ========================================================= */

.section--problem { padding-top: 120px; }

.problems {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
}

.problem {
  position: relative;
  padding: 36px 32px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0.00) 100%);
  border: 1px solid var(--line);
  transition: border-color 260ms var(--ease), transform 260ms var(--ease), background 260ms var(--ease);
}

.problem:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
  background: linear-gradient(180deg, rgba(245,165,36,0.07) 0%, rgba(255,255,255,0) 100%);
}

.problem__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  color: var(--accent-2);
  text-transform: lowercase;
  margin-bottom: 18px;
  display: inline-block;
}

.problem h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.problem p { margin: 0; color: var(--text-dim); font-size: 0.96rem; }

/* =========================================================
   What We Do — cards
   ========================================================= */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  position: relative;
  padding: 36px 28px 32px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform 320ms var(--ease), border-color 320ms var(--ease), background 320ms var(--ease);
  overflow: hidden;
  isolation: isolate;
}

.card:before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(400px 200px at 0% 0%, rgba(245,165,36,0.12), transparent 60%);
  opacity: 0;
  transition: opacity 380ms var(--ease);
  z-index: -1;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-line);
  background: var(--surface-2);
}

.card:hover:before { opacity: 1; }

.card__num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent-2);
  margin-bottom: 22px;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.card__sub {
  color: var(--text-mute);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.card__body { color: var(--text-dim); font-size: 0.96rem; margin: 0 0 22px; }

.card__tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.card__tags span {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.card--vip {
  background: linear-gradient(180deg, #1f1a12 0%, #1a1610 100%);
}

.card--vip .card__num,
.card--accent .card__num { color: var(--accent-3); }

/* =========================================================
   VibeMa‌tch
   ========================================================= */

.section--vibescape {
  background: #000000;
  position: relative;
}

.section--vibescape:before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 500px at 80% 30%, rgba(245,165,36,0.12), transparent 60%);
  pointer-events: none;
}

.vibescape {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 64px;
}

.vibescape .eyebrow { margin-bottom: 18px; }
.vibescape .section__title { text-align: left; margin-top: 12px; }
.vibescape .section__sub { margin-bottom: 14px; }
.vibescape .section__lede { margin: 0 0 32px; max-width: none; text-align: left; }

.features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.features li {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.015);
  transition: border-color 260ms var(--ease), background 260ms var(--ease), transform 260ms var(--ease);
}

.features li:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateX(4px);
}

.feature__bullet {
  flex-shrink: 0;
  width: 14px; height: 14px;
  margin-top: 5px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-3) 100%);
  box-shadow: 0 0 0 4px rgba(245,165,36,0.14);
}

.features h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 4px;
}

.features p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* Vibescape visual */
.vibescape__visual {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 50%, #1c160d 0%, #0a0a0f 70%);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), inset 0 0 40px rgba(245,165,36,0.06);
}

.visual__ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 65%; height: 65%;
  border: 1px dashed rgba(245,165,36,0.30);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.visual__ring--2 {
  width: 88%; height: 88%;
  border-style: solid;
  border-color: rgba(245,165,36,0.12);
  animation-duration: 60s;
  animation-direction: reverse;
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.visual__graph {
  position: relative;
  width: 100%; height: 100%;
  z-index: 2;
}

.graph__nodes .node {
  fill: var(--accent-3);
  filter: drop-shadow(0 0 8px rgba(245,165,36,0.75));
}

.graph__nodes .node--core {
  fill: url(#nodeGrad);
  stroke: var(--accent-3);
  stroke-width: 1.5;
  filter: drop-shadow(0 0 18px rgba(245,165,36,0.95));
}

.graph__edges line {
  stroke-dasharray: 4 6;
  animation: dash 6s linear infinite;
}

@keyframes dash {
  to { stroke-dashoffset: -200; }
}

.pulse {
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 1.5;
  opacity: 0;
  transform-origin: 240px 240px;
  animation: pulseRing 3s ease-out infinite;
}

.pulse--2 { animation-delay: 1.5s; }

@keyframes pulseRing {
  0%   { transform: scale(1);    opacity: 0.7; }
  100% { transform: scale(3.5);  opacity: 0; }
}

.visual__chip {
  position: absolute;
  font-size: 0.72rem;
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(20, 16, 10, 0.85);
  border: 1px solid var(--accent-line);
  color: #FFD699;
  backdrop-filter: blur(6px);
  z-index: 3;
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}

.visual__chip--1 { top: 16%; left: 8%; }
.visual__chip--2 { top: 22%; right: 6%; }
.visual__chip--3 { bottom: 14%; left: 14%; }

/* =========================================================
   Who's in the Room
   ========================================================= */

.profiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.profile {
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease), background 280ms var(--ease);
}

.profile:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
  background: var(--surface-2);
}

.profile__icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-2);
  margin-bottom: 22px;
  border: 1px solid var(--accent-line);
}

.profile__icon svg { width: 22px; height: 22px; }

.profile h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.profile p { margin: 0; color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; }

/* =========================================================
   Tech Week
   ========================================================= */

.section--techweek { padding: 100px 0; }

.techweek {
  position: relative;
  padding: 64px 56px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(245,165,36,0.20) 0%, rgba(245,165,36,0.04) 100%),
    var(--surface);
  border: 1px solid var(--accent-line);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}

.techweek__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background:
    radial-gradient(500px 300px at 100% 0%, rgba(245,165,36,0.32), transparent 60%),
    radial-gradient(400px 300px at 0% 100%, rgba(245,165,36,0.18), transparent 60%);
  pointer-events: none;
}

.techweek__pattern:after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 100%;
  mask-image: linear-gradient(180deg, black, transparent);
  -webkit-mask-image: linear-gradient(180deg, black, transparent);
}

.techweek__inner { position: relative; z-index: 2; max-width: 760px; }

.techweek__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 16px 0 18px;
}

.techweek__title em {
  font-style: normal;
  background: linear-gradient(135deg, #ffffff 0%, #FFD699 60%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.techweek__copy { color: var(--text-dim); font-size: 1.03rem; margin: 0 0 28px; max-width: 60ch; }

.techweek__ctas { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }

.techweek__meta {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}

/* =========================================================
   Form
   ========================================================= */

.invite { max-width: 760px; margin: 0 auto; }
.invite__head { text-align: center; margin-bottom: 56px; }
.invite__head .section__title { margin-top: 12px; }

.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px rgba(0,0,0,0.45);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.form__row--2 { grid-template-columns: 1fr 1fr; }

.field { display: flex; flex-direction: column; position: relative; }

.field label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 10px;
}

.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
  outline: none;
  resize: vertical;
}

.field textarea { min-height: 110px; line-height: 1.5; }

.field input::placeholder,
.field textarea::placeholder { color: var(--text-mute); }

.field input:hover,
.field textarea:hover { border-color: rgba(255,255,255,0.22); }

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: rgba(245,165,36,0.06);
  box-shadow: 0 0 0 4px rgba(245,165,36,0.16);
}

.field.has-error input,
.field.has-error textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(255,107,107,0.10);
}

.field__error {
  display: none;
  margin-top: 8px;
  color: var(--danger);
  font-size: 0.82rem;
}

.field.has-error .field__error { display: block; }

.field__hint {
  position: absolute;
  right: 4px;
  bottom: -22px;
  font-size: 0.72rem;
  color: var(--text-mute);
  letter-spacing: 0.08em;
}

.form__submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.form__note { color: var(--text-mute); font-size: 0.82rem; margin: 0; max-width: 38ch; }

.form__success {
  text-align: center;
  padding: 64px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(245,165,36,0.12) 0%, var(--surface) 100%);
  border: 1px solid var(--accent-line);
  animation: fadeIn 600ms var(--ease) forwards;
}

.form__success-mark {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-2);
  margin: 0 auto 22px;
  display: grid; place-items: center;
}

.form__success-mark svg { width: 30px; height: 30px; }

.form__success h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.form__success p { color: var(--text-dim); margin: 0; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   Upcoming Events
   ========================================================= */

.event-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.event-card {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 300ms var(--ease), transform 300ms var(--ease);
}

.event-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
}

.event-card__left {
  padding: 40px 40px 40px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.event-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 500;
}

.event-card__badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

.event-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}

.event-card__subtitle {
  font-size: 0.9rem;
  color: var(--accent-2);
  margin: 0;
  font-style: italic;
}

.event-card__desc {
  color: var(--text-dim);
  font-size: 0.97rem;
  line-height: 1.65;
  margin: 0;
  max-width: 60ch;
}

.event-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.event-card__meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

.event-card__meta-item svg {
  width: 14px; height: 14px;
  flex-shrink: 0;
  color: var(--accent-2);
}

.event-card__cta { align-self: flex-start; margin-top: 4px; }

/* Right graphic panel */
.event-card__right {
  background: linear-gradient(135deg, rgba(245,165,36,0.10) 0%, rgba(245,165,36,0.03) 100%);
  border-left: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.event-card__gfx {
  position: relative;
  width: 160px; height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.event-gfx__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(245,165,36,0.35);
  animation: spin 20s linear infinite;
}

.event-gfx__ring--2 {
  inset: 16px;
  border-style: solid;
  border-color: rgba(245,165,36,0.15);
  animation-duration: 40s;
  animation-direction: reverse;
}

.event-gfx__center {
  position: relative;
  z-index: 2;
  width: 72px; height: 72px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent-2);
}

.event-gfx__center svg { width: 40px; height: 40px; }

.event-gfx__label {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  text-align: center;
  white-space: nowrap;
  line-height: 1.5;
}

@media (max-width: 700px) {
  .event-card { grid-template-columns: 1fr; }
  .event-card__right { display: none; }
  .event-card__left { padding: 28px 24px; }
}

/* =========================================================
   Footer
   ========================================================= */

.footer {
  padding: 80px 0 32px;
  border-top: 1px solid var(--line);
  background: #000000;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.footer__brand .wordmark { margin-bottom: 8px; }

.footer__tag {
  color: var(--text-dim);
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0;
}

.footer__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer__cols h5 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0 0 14px;
  font-weight: 500;
}

.footer__cols p { margin: 0; color: var(--text); font-size: 0.95rem; }

.footer__links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer__links a { color: var(--text-dim); font-size: 0.95rem; }
.footer__links a:hover { color: #fff; }

.footer__base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* =========================================================
   Reveal animations
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Auth Modal
   ========================================================= */

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--container-pad);
}

.auth-modal[hidden] {
  display: none;
}

.auth-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.auth-modal__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  animation: modalIn 300ms var(--ease);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.auth-modal__close:hover {
  border-color: var(--accent-line);
  color: var(--text);
}

.auth-modal__close svg {
  width: 18px;
  height: 18px;
}

.auth-modal__header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-modal__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.auth-modal__subtitle {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form[hidden] {
  display: none;
}

.auth-form__error {
  padding: 12px 16px;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: 10px;
  color: var(--danger);
  font-size: 0.88rem;
  text-align: center;
}

.auth-form__error[hidden] {
  display: none;
}

.auth-modal__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--text-dim);
}

.auth-modal__toggle-btn {
  background: none;
  border: none;
  color: var(--accent-2);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 200ms var(--ease);
}

.auth-modal__toggle-btn:hover {
  color: var(--accent-3);
}

.auth-modal__forgot {
  text-align: center;
  margin-top: 16px;
}

.auth-modal__forgot-btn {
  background: none;
  border: none;
  color: var(--text-mute);
  font-size: 0.82rem;
  cursor: pointer;
  transition: color 200ms var(--ease);
}

.auth-modal__forgot-btn:hover {
  color: var(--text);
}

/* =========================================================
   Nav Auth
   ========================================================= */

.nav__auth {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__signin {
  font-size: 0.92rem;
  color: var(--text-dim);
  padding: 6px 0;
  position: relative;
}

.nav__signin:after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent-2);
  transition: width 220ms var(--ease), left 220ms var(--ease);
}

.nav__signin:hover {
  color: #fff;
}

.nav__signin:hover:after {
  width: 100%;
  left: 0;
}

.nav__user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__user[hidden] {
  display: none;
}

.nav__user-email {
  font-size: 0.86rem;
  color: var(--text-dim);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* =========================================================
   Member Dashboard
   ========================================================= */

.section--member {
  background: linear-gradient(180deg, rgba(245, 165, 36, 0.06) 0%, transparent 100%);
}

.section--member[hidden] {
  display: none;
}

.member-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.member-card {
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 280ms var(--ease), border-color 280ms var(--ease);
}

.member-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
}

.member-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.member-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0 0 20px;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 960px) {
  .section { padding: 110px 0; }
  .section__head { margin-bottom: 56px; }

  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav__inner > .btn { display: none; }
  .nav__auth { display: none; }

  .vibescape {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .vibescape__visual { max-width: 460px; margin: 0 auto; width: 100%; }

  .cards { grid-template-columns: 1fr; }
  .profiles { grid-template-columns: 1fr 1fr; }
  .problems { grid-template-columns: 1fr; }
  .member-content { grid-template-columns: 1fr; }

  .techweek { padding: 48px 32px; }
  .footer__inner { grid-template-columns: 1fr; gap: 36px; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --container-pad: 20px; }
  .section { padding: 88px 0; }
  .hero { padding-top: 130px; }

  .form { padding: 28px 22px; }
  .form__row--2 { grid-template-columns: 1fr; }

  .profiles { grid-template-columns: 1fr; }

  .footer__base {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hero__meta { flex-wrap: wrap; justify-content: center; gap: 10px; }
  .hero__meta-sep { display: none; }

  .form__submit { flex-direction: column; align-items: stretch; }
  .form__submit .btn { width: 100%; justify-content: center; }
  .form__note { text-align: center; }
}