/* ===================================================================
   Teddy Lindblad — personal site
   Design system: deep-space dark, indigo→cyan gradient accent,
   glassmorphism cards, generous whitespace.
   =================================================================== */

:root {
  --bg: #070b14;
  --bg-alt: #0a0f1d;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-bright: rgba(129, 140, 248, 0.35);
  --text: #e7ecf5;
  --text-dim: #97a3b8;
  --text-faint: #5b6779;
  --accent-1: #6366f1;
  --accent-2: #22d3ee;
  --accent-3: #a78bfa;
  --gradient: linear-gradient(120deg, #818cf8 0%, #a78bfa 45%, #22d3ee 100%);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 18px;
  --container: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(99, 102, 241, 0.45); color: #fff; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h2 { font-size: clamp(2rem, 4.4vw, 3.1rem); }

a { color: inherit; text-decoration: none; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 18px;
}

/* ---------- texture & ambience ---------- */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow-cursor {
  position: fixed; z-index: 0; pointer-events: none;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.10) 0%, transparent 65%);
  transform: translate(-50%, -50%);
  left: 50vw; top: 30vh;
  transition: left 0.35s ease-out, top 0.35s ease-out;
}

main { position: relative; z-index: 2; }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1) var(--d, 0s),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) var(--d, 0s);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .marquee__track { animation: none !important; }
}

/* ===================================================================
   NAV
   =================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 11, 20, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.nav__inner {
  max-width: var(--container); margin: 0 auto; padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo { display: flex; align-items: center; gap: 12px; }
.nav__mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 11px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  background: var(--gradient); color: #070b14;
}
.nav__name { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
.nav__links { display: flex; align-items: center; gap: 30px; font-size: 0.92rem; }
.nav__links a:not(.nav__cta) { color: var(--text-dim); transition: color 0.2s; }
.nav__links a:not(.nav__cta):hover { color: var(--text); }
.nav__cta {
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--border-bright);
  background: rgba(99, 102, 241, 0.12);
  transition: background 0.2s, transform 0.2s;
}
.nav__cta:hover { background: rgba(99, 102, 241, 0.25); transform: translateY(-1px); }
.nav__burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__burger span {
  display: block; width: 22px; height: 2px; margin: 5px 0;
  background: var(--text); border-radius: 2px; transition: transform 0.25s, opacity 0.25s;
}
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 75% 60% at 50% 35%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 50% 35%, black 30%, transparent 75%);
}
.hero__orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.55;
  animation: drift 14s ease-in-out infinite alternate;
}
.hero__orb--1 {
  width: 520px; height: 520px; top: -140px; right: -100px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45), transparent 70%);
}
.hero__orb--2 {
  width: 420px; height: 420px; bottom: -120px; left: -120px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.30), transparent 70%);
  animation-delay: -7s;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-40px, 40px) scale(1.12); }
}

.hero__content { position: relative; }
.hero__title {
  font-size: clamp(2.6rem, 6.5vw, 4.8rem);
  margin-bottom: 26px;
}
.hero__sub {
  max-width: 640px;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  color: var(--text-dim);
  margin-bottom: 38px;
}
.hero__sub strong { color: var(--text); font-weight: 600; }

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 70px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn--primary {
  background: var(--gradient); color: #070b14;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5); }
.btn--ghost {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.btn--ghost:hover { transform: translateY(-2px); background: var(--surface-strong); }
.btn--lg { padding: 17px 34px; font-size: 1.02rem; }

.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  max-width: 920px;
}
.stat {
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.stat__value {
  display: block;
  font-family: var(--font-display); font-size: 2.1rem; font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  margin-bottom: 4px;
}
.stat__label { font-size: 0.83rem; color: var(--text-dim); line-height: 1.45; display: block; }

.hero__scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  width: 26px; height: 44px; border: 2px solid var(--border);
  border-radius: 999px; display: flex; justify-content: center; padding-top: 8px;
}
.hero__scroll span {
  width: 4px; height: 9px; border-radius: 4px; background: var(--accent-2);
  animation: scrollhint 1.8s ease-in-out infinite;
}
@keyframes scrollhint {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(12px); opacity: 0; }
}

/* ===================================================================
   MARQUEE
   =================================================================== */
.marquee { padding: 44px 0 54px; border-block: 1px solid var(--border); }
.marquee__label {
  text-align: center; font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 26px;
}
.marquee__track-wrap {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}
.marquee__track {
  display: flex; gap: 56px; width: max-content;
  animation: marquee 38s linear infinite;
}
.marquee__track span {
  font-family: var(--font-display); font-size: 1.18rem; font-weight: 600;
  color: var(--text-dim); white-space: nowrap; opacity: 0.8;
  transition: color 0.2s;
}
.marquee__track span:hover { color: var(--text); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ===================================================================
   SECTIONS
   =================================================================== */
.section { padding: 120px 0; position: relative; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__head { margin-bottom: 64px; }

/* ---------- about ---------- */
.about__grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: start;
}
.about__text p { color: var(--text-dim); margin-bottom: 20px; }
.about__text strong { color: var(--text); }

.about__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.glass-card {
  padding: 26px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-bright);
  background: var(--surface-strong);
}
.glass-card__icon { font-size: 1.6rem; margin-bottom: 14px; }
.glass-card h3 { font-size: 1.02rem; margin-bottom: 10px; }
.glass-card p { font-size: 0.86rem; color: var(--text-dim); line-height: 1.55; }

/* ---------- timeline ---------- */
.timeline { position: relative; max-width: 860px; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--accent-1), var(--accent-2), transparent);
  opacity: 0.5;
}
.timeline__item { position: relative; padding-left: 52px; margin-bottom: 36px; }
.timeline__item:last-child { margin-bottom: 0; }
.timeline__marker {
  position: absolute; left: 0; top: 8px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-1);
  box-shadow: 0 0 0 5px rgba(99, 102, 241, 0.15);
}
.timeline__item:first-child .timeline__marker {
  background: var(--gradient); border-color: transparent;
  box-shadow: 0 0 22px rgba(99, 102, 241, 0.6);
}
.timeline__card {
  padding: 30px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.timeline__card:hover { transform: translateX(6px); border-color: var(--border-bright); }
.timeline__meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px;
}
.timeline__period {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-2);
  letter-spacing: 0.06em;
}
.timeline__card h3 { font-size: 1.35rem; margin-bottom: 2px; }
.timeline__role { color: var(--text-dim); font-size: 0.92rem; margin-bottom: 16px; font-weight: 500; }
.timeline__card ul { list-style: none; }
.timeline__card li {
  position: relative; padding-left: 22px; margin-bottom: 9px;
  color: var(--text-dim); font-size: 0.92rem;
}
.timeline__card li::before {
  content: "▸"; position: absolute; left: 0; color: var(--accent-1);
}

.chip {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.05em;
  border: 1px solid var(--border); color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
}
.chip--accent {
  border-color: var(--border-bright); color: #c7d2fe;
  background: rgba(99, 102, 241, 0.12);
}
.chip--lg { font-size: 0.82rem; padding: 10px 20px; }

/* ---------- ventures ---------- */
.ventures__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.venture {
  position: relative;
  padding: 34px 30px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.venture:hover { transform: translateY(-6px); border-color: var(--border-bright); }
.venture--featured {
  grid-column: span 2;
  background:
    radial-gradient(ellipse 60% 120% at 85% 0%, rgba(99, 102, 241, 0.18), transparent 60%),
    var(--surface);
}
.venture__badge {
  position: absolute; top: 24px; right: 24px;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 6px 14px; border-radius: 999px;
  background: var(--gradient); color: #070b14; font-weight: 600;
}
.venture h3 { font-size: 1.5rem; margin-bottom: 4px; }
.venture__tag {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent-2); margin-bottom: 16px;
}
.venture p:not(.venture__tag) { color: var(--text-dim); font-size: 0.93rem; margin-bottom: 22px; max-width: 640px; }
.venture__stack { display: flex; gap: 8px; flex-wrap: wrap; }
.venture__stack span {
  font-family: var(--font-mono); font-size: 0.72rem;
  padding: 5px 12px; border-radius: 8px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border);
  color: var(--text-dim);
}

/* ---------- passions ---------- */
.passions__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.passion {
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.passion:hover { transform: translateY(-5px); border-color: var(--border-bright); }
.passion__num { font-size: 2rem; display: block; margin-bottom: 18px; }
.passion h3 { font-size: 1.25rem; margin-bottom: 12px; }
.passion p { color: var(--text-dim); font-size: 0.93rem; }

/* ---------- competencies / certs ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 56px; }
.certs { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 760px; }
.cert {
  display: flex; align-items: center; gap: 18px;
  padding: 22px 26px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cert__icon { font-size: 1.7rem; }
.cert h4 { font-size: 1rem; margin-bottom: 2px; }
.cert p { font-size: 0.8rem; color: var(--text-dim); }

/* ===================================================================
   CONTACT
   =================================================================== */
.contact {
  position: relative; padding: 150px 0; text-align: center; overflow: hidden;
  border-top: 1px solid var(--border);
}
.contact__orb {
  position: absolute; left: 50%; top: 50%;
  width: 700px; height: 700px; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(99, 102, 241, 0.16), transparent 65%);
  filter: blur(60px); pointer-events: none;
}
.contact__inner { position: relative; }
.contact__sub {
  max-width: 540px; margin: 24px auto 40px; color: var(--text-dim);
  font-size: 1.05rem;
}
.contact__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.contact__loc {
  margin-top: 44px; font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-dim); letter-spacing: 0.06em;
}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer { border-top: 1px solid var(--border); padding: 30px 0; }
.footer__inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
  font-size: 0.84rem; color: var(--text-dim);
}
.footer__tag { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; }

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 960px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 44px; }
  .ventures__grid { grid-template-columns: 1fr 1fr; }
  .venture--featured { grid-column: span 2; }
}

@media (max-width: 680px) {
  body { font-size: 15.5px; }
  .section { padding: 84px 0; }
  .nav__name { display: none; }
  .nav__burger { display: block; }
  .nav__links {
    position: fixed; top: 70px; left: 16px; right: 16px;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 16px;
    background: rgba(10, 15, 29, 0.97);
    border: 1px solid var(--border); border-radius: var(--radius);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0; pointer-events: none; transform: translateY(-12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav__links.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .nav__links a { padding: 12px 14px; border-radius: 10px; }
  .nav__links a:hover { background: var(--surface-strong); }
  .nav__cta { text-align: center; margin-top: 6px; }
  .hero { padding-top: 120px; }
  .hero__stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 16px 16px; }
  .stat__value { font-size: 1.6rem; }
  .ventures__grid { grid-template-columns: 1fr; }
  .venture--featured { grid-column: span 1; }
  .passions__grid { grid-template-columns: 1fr; }
  .certs { grid-template-columns: 1fr; }
  .timeline__item { padding-left: 40px; }
  .timeline__card { padding: 24px 22px; }
  .hero__scroll { display: none; }
}