/* ============================================================
   Dallin Littlefield — Portfolio
   Sleek dark + techy theme
   ============================================================ */

:root {
  --bg: #07080d;
  --bg-soft: #0d0f17;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-border: rgba(255, 255, 255, 0.09);
  --panel-border-hover: rgba(45, 212, 191, 0.45);
  --text: #eef1f7;
  --text-dim: #9aa3b5;
  --text-faint: #69707f;

  --teal: #2dd4bf;
  --teal-deep: #0d9488;
  --cyan: #38bdf8;
  --violet: #8b5cf6;

  --grad: linear-gradient(115deg, #2dd4bf 0%, #38bdf8 45%, #8b5cf6 100%);
  --grad-soft: linear-gradient(115deg, rgba(45,212,191,0.18), rgba(139,92,246,0.18));

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1180px;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- Ambient background ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -3;
  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: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.bg-glow {
  position: fixed; z-index: -2; border-radius: 50%;
  filter: blur(120px); opacity: 0.5; pointer-events: none;
}
.bg-glow--1 { top: -200px; left: -150px; width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(45,212,191,0.5), transparent 70%); }
.bg-glow--2 { top: 240px; right: -200px; width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(139,92,246,0.42), transparent 70%); }

/* ---------- Layout helpers ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px 28px;
}
.section--tight { padding-top: 60px; }
.section__head { max-width: 640px; margin-bottom: 56px; }
.section__eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--teal);
  margin-bottom: 14px;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.section__desc { color: var(--text-dim); margin-top: 16px; font-size: 1.05rem; }

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

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 8, 13, 0.72);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--panel-border);
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px;
}
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__logo {
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 11px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  color: #04130f; background: var(--grad);
  box-shadow: 0 8px 22px -8px rgba(45, 212, 191, 0.7);
}
.nav__name {
  font-family: var(--font-display); font-weight: 600; line-height: 1.1;
  display: flex; flex-direction: column;
}
.nav__name small { font-family: var(--font-body); font-weight: 400; font-size: 0.72rem; color: var(--text-faint); letter-spacing: 0.04em; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a {
  font-size: 0.95rem; color: var(--text-dim); font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text); }
.nav__cta {
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text) !important;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.nav__cta:hover { border-color: var(--panel-border-hover); background: var(--grad-soft); transform: translateY(-1px); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.25s; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.98rem;
  padding: 13px 24px; border-radius: 999px;
  cursor: pointer; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
  border: 1px solid transparent;
}
.btn--sm { padding: 10px 18px; font-size: 0.9rem; }
.btn--lg { padding: 18px 36px; font-size: 1.15rem; }
.btn--primary {
  background: var(--grad); color: #04130f;
  box-shadow: 0 14px 30px -12px rgba(45, 212, 191, 0.8);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px -12px rgba(56, 189, 248, 0.85); }
.btn--ghost { background: var(--panel); color: var(--text); border-color: var(--panel-border); }
.btn--ghost:hover { border-color: var(--panel-border-hover); transform: translateY(-2px); background: rgba(255,255,255,0.06); }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: 170px 28px 90px;
  display: grid; grid-template-columns: 1.25fr 0.9fr; gap: 56px; align-items: center;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 0.05em;
  color: var(--text-dim);
  padding: 7px 15px; border-radius: 999px;
  border: 1px solid var(--panel-border); background: var(--panel);
  margin-bottom: 26px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(45,212,191,0.18); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(45,212,191,0); } }
.hero__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4.1rem); line-height: 1.04; letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.hero__tagline { font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--text); font-weight: 500; margin-bottom: 16px; }
.hero__sub { color: var(--text-dim); font-size: 1.05rem; max-width: 540px; margin-bottom: 36px; }
.hero__sub strong { color: var(--text); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.hero__stats { list-style: none; display: flex; gap: 40px; flex-wrap: wrap; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--font-display); font-size: 1.9rem; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__stats span { color: var(--text-faint); font-size: 0.85rem; margin-top: 6px; }

/* Portrait */
.hero__portrait { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.portrait {
  position: relative; width: 320px; max-width: 80vw; aspect-ratio: 4 / 5;
  border-radius: 26px; overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--grad-soft);
  box-shadow: var(--shadow);
}
.portrait::after {
  content: ""; position: absolute; inset: 0; border-radius: 26px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  background: linear-gradient(180deg, transparent 55%, rgba(7,8,13,0.55));
  pointer-events: none;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.portrait img.is-missing { display: none; }
.portrait__fallback {
  position: absolute; inset: 0; display: grid; place-items: center; z-index: -1;
  font-family: var(--font-display); font-weight: 700; font-size: 5rem; color: rgba(255,255,255,0.85);
}
.portrait--sm { width: 260px; aspect-ratio: 1 / 1; border-radius: 22px; }
.portrait--sm.portrait::after { border-radius: 22px; }
.portrait__badge {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.85rem; font-weight: 500; color: var(--text);
  padding: 9px 16px; border-radius: 999px;
  background: rgba(13, 15, 23, 0.8); border: 1px solid var(--panel-border);
  backdrop-filter: blur(8px);
}
.portrait__badge-dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 10px #34d399; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--panel-border); background: rgba(255,255,255,0.015); padding: 18px 0; }
.marquee__track {
  display: flex; align-items: center; gap: 28px; width: max-content;
  animation: scroll 28s linear infinite;
  font-family: var(--font-display); color: var(--text-dim); font-size: 0.95rem; letter-spacing: 0.02em;
}
.marquee__track span { white-space: nowrap; }
.marquee__track span[aria-hidden] { color: var(--teal); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Featured ---------- */
.featured {
  display: flex; flex-direction: column;
  border: 1px solid var(--panel-border); border-radius: var(--radius); overflow: hidden;
  background: var(--bg-soft); box-shadow: var(--shadow);
}
.featured__body { order: 1; }
.featured__media { order: 2; }
.featured__media { position: relative; aspect-ratio: 3 / 2; min-height: 0; width: 100%; overflow: hidden; background: var(--grad-soft); border-top: 1px solid var(--panel-border); }
.featured__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.featured__media.is-missing img { display: none; }
.featured__media-fallback {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; color: rgba(255,255,255,0.9);
}
.featured__media:not(.is-missing) .featured__media-fallback { display: none; }
.featured__shield { font-size: 3.4rem; filter: drop-shadow(0 6px 16px rgba(45,212,191,0.5)); }

/* ---------- Carousel (flagship screenshots) ---------- */
.carousel { position: absolute; inset: 0; overflow: hidden; }
.carousel__track { position: absolute; inset: 0; }
.carousel__slide {
  position: absolute; inset: 0; margin: 0;
  opacity: 0; transition: opacity 0.6s ease; pointer-events: none;
  display: flex; align-items: flex-start; justify-content: center;
  background: #0a1f1c;
}
.carousel__slide.is-active { opacity: 1; pointer-events: auto; }
.carousel__slide img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.carousel__slide figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 18px 16px;
  font-family: var(--font-display); font-size: 0.85rem; color: #fff;
  background: linear-gradient(transparent, rgba(4,19,15,0.92));
  text-align: center;
}
.carousel__btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.5rem; line-height: 1; color: #fff;
  background: rgba(7,8,13,0.55); border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer; backdrop-filter: blur(6px);
  transition: background 0.2s, transform 0.2s; opacity: 0;
}
.featured__media:hover .carousel__btn { opacity: 1; }
.carousel__btn:hover { background: var(--teal-deep); transform: translateY(-50%) scale(1.08); }
.carousel__btn--prev { left: 12px; }
.carousel__btn--next { right: 12px; }
.carousel__dots {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 4;
  display: flex; gap: 8px;
}
.carousel__dots button {
  width: 8px; height: 8px; padding: 0; border-radius: 50%; cursor: pointer;
  border: 0; background: rgba(255,255,255,0.4); transition: background 0.2s, transform 0.2s;
}
.carousel__dots button.is-active { background: #fff; transform: scale(1.25); }
@media (max-width: 640px) { .carousel__btn { opacity: 1; } }
.featured__body { padding: 44px; }
.featured__kicker { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.72rem; color: var(--teal); margin-bottom: 14px; }
.featured__title { font-family: var(--font-display); font-size: 2.4rem; letter-spacing: -0.02em; margin-bottom: 16px; }
.featured__lead { color: var(--text-dim); margin-bottom: 24px; max-width: 760px; }
.featured__lead strong { color: var(--text); }
.featured__points { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; margin-bottom: 26px; }
.featured__points li { position: relative; padding-left: 26px; color: var(--text-dim); font-size: 0.96rem; }
.featured__points strong { color: var(--text); }
.featured__points li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 9px; border-radius: 3px;
  background: var(--grad); box-shadow: 0 0 10px rgba(45,212,191,0.6);
}
.featured__status {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.88rem; color: var(--text-dim);
  padding: 12px 14px; margin-bottom: 18px;
  border: 1px solid var(--panel-border); border-radius: var(--radius-sm);
  background: rgba(45, 212, 191, 0.05);
}
.featured__status .dot { margin-top: 7px; flex-shrink: 0; }
.featured__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Badges ---------- */
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.badge {
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 500;
  padding: 6px 13px; border-radius: 999px;
  color: var(--text-dim); background: rgba(255,255,255,0.04);
  border: 1px solid var(--panel-border);
}

/* ---------- Project grid ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  display: flex; flex-direction: column;
  border: 1px solid var(--panel-border); border-radius: var(--radius);
  background: var(--bg-soft); overflow: hidden;
  transition: transform 0.28s, border-color 0.28s, box-shadow 0.28s;
}
.card:hover { transform: translateY(-6px); border-color: var(--panel-border-hover); box-shadow: 0 26px 50px -24px rgba(45,212,191,0.4); }
.card__media {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: var(--card-grad, var(--grad-soft));
}
.card__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card__media.is-missing img { display: none; }
.card__media-fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 2.6rem;
}
.card__media:not(.is-missing) .card__media-fallback { display: none; }
.card__tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px;
  background: rgba(7,8,13,0.78); border: 1px solid var(--panel-border); backdrop-filter: blur(6px);
  color: var(--text);
}
.card__tag--ai { color: #04130f; background: var(--grad); border-color: transparent; }
.card__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: -0.01em; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.card__domain { color: var(--text-faint); font-size: 0.82rem; margin-bottom: 12px; }
.card__desc { color: var(--text-dim); font-size: 0.92rem; flex: 1; margin-bottom: 16px; }
.card__badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.card__badges .badge { font-size: 0.72rem; padding: 4px 10px; }
.card__link {
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--teal);
  display: inline-flex; align-items: center; gap: 7px; transition: gap 0.2s;
}
.card__link:hover { gap: 11px; }
.card__link--muted { color: var(--text-faint); }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; align-items: center; }
.about__media { display: flex; justify-content: center; }
.about__body p { color: var(--text-dim); margin-top: 18px; }
.about__body p strong { color: var(--text); }
.about__body .section__title { margin-bottom: 8px; }
.about__creds { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.cred {
  padding: 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border); background: var(--panel);
}
.cred strong { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.cred span { color: var(--text-faint); font-size: 0.85rem; }

/* ---------- Contact ---------- */
.contact { padding-bottom: 120px; }
.contact__card {
  position: relative; overflow: hidden;
  text-align: center; max-width: 760px; margin: 0 auto;
  padding: 72px 40px; border-radius: 28px;
  border: 1px solid var(--panel-border);
  background:
    radial-gradient(circle at 50% 0%, rgba(45,212,191,0.16), transparent 60%),
    var(--bg-soft);
}
.contact__title { font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.8rem); letter-spacing: -0.02em; margin-bottom: 16px; }
.contact__sub { color: var(--text-dim); max-width: 520px; margin: 0 auto 34px; font-size: 1.05rem; }
.contact__fineprint { color: var(--text-faint); font-size: 0.88rem; margin-top: 20px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--panel-border); padding: 34px 28px; }
.footer__inner { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer__inner p { color: var(--text-faint); font-size: 0.88rem; flex: 1; }
.footer__top { font-family: var(--font-display); font-size: 0.88rem; color: var(--text-dim); }
.footer__top:hover { color: var(--teal); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; padding-top: 140px; gap: 40px; }
  .hero__portrait { order: -1; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .about__media { order: -1; }
}
@media (max-width: 640px) {
  .section { padding: 84px 20px; }
  .nav__links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(7,8,13,0.96); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--panel-border);
    padding: 14px 20px 22px; transform: translateY(-130%); transition: transform 0.3s; }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { width: 100%; padding: 13px 0; }
  .nav__cta { text-align: center; margin-top: 6px; }
  .nav__toggle { display: flex; }
  .grid { grid-template-columns: 1fr; }
  .about__creds { grid-template-columns: 1fr; }
  .hero__stats { gap: 26px; }
  .featured__body { padding: 30px 24px; }
  .featured__points { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}