/* ============================================================
   atlvibe — landing page
   Aesthetic: "Atlanta, after dark" — warm peach/gold aurora on
   near-black, editorial Fraunces display, film-grain atmosphere.
   ============================================================ */

:root {
  /* palette */
  --ink:        #100b0d;   /* near-black, warm */
  --ink-2:      #16101300;
  --surface:    #1b1418;
  --surface-2:  #241a1f;
  --line:       #3a2c31;
  --cream:      #f6ede6;   /* primary text */
  --muted:      #b6a49b;   /* secondary text */
  --faint:      #8c7a74;

  --peach:      #ff8a5b;
  --peach-hot:  #ff6b4a;
  --gold:       #f4c56b;
  --magenta:    #ff5c86;

  /* type */
  --display: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont,
          "Segoe UI", Helvetica, Arial, sans-serif;

  /* shape + motion */
  --radius: 16px;
  --radius-lg: 24px;
  --pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-glow: 0 0 0 1px rgba(255,138,91,0.14),
                 0 24px 60px -24px rgba(255,107,74,0.45);
  --maxw: 1140px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100dvh;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--peach); outline-offset: 3px; border-radius: 6px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============================================================
   Background atmosphere
   ============================================================ */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }

.bg__aurora {
  position: absolute; inset: -25%;
  background:
    radial-gradient(38% 44% at 20% 18%, rgba(255,107,74,0.42), transparent 60%),
    radial-gradient(34% 40% at 82% 12%, rgba(244,197,107,0.34), transparent 62%),
    radial-gradient(46% 50% at 72% 82%, rgba(255,92,134,0.30), transparent 60%),
    radial-gradient(40% 46% at 12% 88%, rgba(255,138,91,0.26), transparent 62%);
  filter: blur(28px) saturate(120%);
  animation: drift 26s var(--ease) infinite alternate;
  will-change: transform;
}

.bg__grain {
  position: absolute; inset: 0;
  opacity: 0.5; mix-blend-mode: soft-light; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.bg__vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 50% 0%, transparent 40%, rgba(16,11,13,0.55) 100%),
    linear-gradient(180deg, rgba(16,11,13,0.2), rgba(16,11,13,0.85));
}

@keyframes drift {
  0%   { transform: translate3d(-3%, -2%, 0) rotate(0deg) scale(1.05); }
  100% { transform: translate3d(4%, 3%, 0) rotate(6deg) scale(1.15); }
}

/* ============================================================
   Layout primitives
   ============================================================ */
.nav, .hero, .marquee, .features, .cta, .foot {
  width: min(100% - 3rem, var(--maxw));
  margin-inline: auto;
}

/* ---------- nav ---------- */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: clamp(1.4rem, 3vw, 2.2rem);
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; }
.brand__pin { color: var(--peach); display: inline-flex;
  filter: drop-shadow(0 4px 10px rgba(255,107,74,0.55)); }
.brand__name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; letter-spacing: 0.02em; color: var(--muted);
  padding: 0.4rem 0.85rem; border: 1px solid var(--line);
  border-radius: var(--pill); background: rgba(27,20,24,0.4);
  backdrop-filter: blur(8px);
}
.tag__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--peach);
  box-shadow: 0 0 0 0 rgba(255,138,91,0.6);
  animation: pulseDot 2.4s ease-out infinite;
}
@keyframes pulseDot {
  0%   { box-shadow: 0 0 0 0 rgba(255,138,91,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(255,138,91,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,138,91,0); }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  text-align: center;
  padding-top: clamp(3.5rem, 11vh, 8rem);
  padding-bottom: clamp(2.5rem, 6vh, 4rem);
  display: flex; flex-direction: column; align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gold);
  padding: 0.45rem 0.95rem; border-radius: var(--pill);
  border: 1px solid rgba(244,197,107,0.28);
  background: linear-gradient(180deg, rgba(244,197,107,0.10), rgba(244,197,107,0.02));
}
.eyebrow__star { color: var(--peach); }

.hero__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(3rem, 11vw, 7.25rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin-top: 1.5rem;
  font-optical-sizing: auto;
}
.grad {
  font-style: italic;
  background: linear-gradient(100deg, var(--peach) 8%, var(--gold) 52%, var(--magenta) 96%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.hero__lead {
  max-width: 42ch;
  margin-top: 1.6rem;
  font-size: clamp(1.05rem, 2.1vw, 1.28rem);
  color: var(--muted);
  text-wrap: balance;
}

/* ---------- nav right (blog link + status tag) ---------- */
.nav__right { display: inline-flex; align-items: center; gap: 1rem; }
.nav__link {
  font-weight: 600; font-size: 0.92rem; color: var(--muted);
  padding: 0.35rem 0.4rem; border-radius: 8px;
  transition: color 0.2s var(--ease);
}
.nav__link:hover { color: var(--cream); }

/* ---------- hero CTA buttons ---------- */
.hero__cta {
  margin-top: 2.4rem;
  display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: center;
}

/* button */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem; white-space: nowrap;
  padding: 0.78rem 1.5rem;
  border-radius: var(--pill);
  font-weight: 600; font-size: 0.98rem; letter-spacing: 0.01em;
  color: #2a0f08;
  background: linear-gradient(180deg, #ffd9a0, var(--peach) 45%, var(--peach-hot));
  box-shadow: 0 10px 26px -10px rgba(255,107,74,0.7),
              inset 0 1px 0 rgba(255,255,255,0.45);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
              filter 0.2s var(--ease);
}
.btn::after { /* shimmer */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.55) 50%, transparent 70%);
  transform: translateX(-120%);
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.04);
  box-shadow: 0 16px 34px -12px rgba(255,107,74,0.8), inset 0 1px 0 rgba(255,255,255,0.5); }
.btn:hover::after { animation: shimmer 0.9s var(--ease-out); }
.btn:active { transform: translateY(0); }

@keyframes shimmer { to { transform: translateX(120%); } }

.btn--ghost {
  color: var(--cream);
  background: rgba(27,20,24,0.5);
  border: 1px solid var(--line);
  box-shadow: none;
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { border-color: rgba(255,138,91,0.5); background: rgba(36,26,31,0.7);
  filter: none; }

/* proof row */
.proof {
  margin-top: 1.8rem;
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
  justify-content: center;
  font-size: 0.9rem; color: var(--muted);
}
.proof b { color: var(--cream); font-weight: 600; }
.proof__sep { color: var(--faint); }

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  margin-top: clamp(3rem, 8vh, 5.5rem);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  overflow: hidden;
}
.marquee__track { display: flex; width: max-content; animation: scroll 42s linear infinite; }
.marquee__group {
  display: flex; align-items: center; gap: 0.9rem;
  list-style: none; padding: 0 0.45rem;
}
.marquee__group li {
  white-space: nowrap;
  font-family: var(--display); font-style: italic; font-weight: 500;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  color: var(--faint);
  padding: 0.35rem 1.1rem; border-radius: var(--pill);
  border: 1px solid var(--line);
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ============================================================
   Features
   ============================================================ */
.features {
  margin-top: clamp(3.5rem, 9vh, 6rem);
  display: grid; gap: 1.1rem;
  grid-template-columns: repeat(3, 1fr);
}
.card {
  position: relative; overflow: hidden;
  padding: 1.9rem 1.7rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(36,26,31,0.55), rgba(27,20,24,0.4));
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
              box-shadow 0.35s var(--ease);
}
.card::before { /* corner sheen */
  content: ""; position: absolute; top: -40%; right: -30%;
  width: 60%; height: 80%;
  background: radial-gradient(circle, rgba(255,138,91,0.16), transparent 70%);
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,138,91,0.35);
  box-shadow: 0 26px 50px -30px rgba(0,0,0,0.8);
}
.card:hover::before { opacity: 1; }
.card__num {
  font-family: var(--display); font-size: 0.9rem; font-weight: 600;
  color: var(--peach); letter-spacing: 0.05em;
}
.card__title {
  font-family: var(--display); font-weight: 600;
  font-size: 1.5rem; letter-spacing: -0.02em;
  margin: 0.7rem 0 0.6rem;
}
.card__body { color: var(--muted); font-size: 0.98rem; }

/* ============================================================
   Closing CTA
   ============================================================ */
.cta {
  margin-top: clamp(4rem, 11vh, 7rem);
  text-align: center;
  padding: clamp(2.6rem, 6vw, 4rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(255,107,74,0.16), transparent 60%),
    linear-gradient(180deg, rgba(36,26,31,0.6), rgba(27,20,24,0.35));
  border: 1px solid var(--line);
}
.cta__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 3rem); letter-spacing: -0.03em;
}
.cta__sub { color: var(--muted); margin-top: 0.6rem; }
.cta .btn { margin-top: 1.7rem; }

/* ============================================================
   Footer
   ============================================================ */
.foot {
  margin-top: clamp(3.5rem, 8vh, 5rem);
  padding: 2.2rem 0 2.8rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--faint); font-size: 0.85rem;
}
.foot__brand { font-family: var(--display); font-weight: 600; font-size: 1.15rem; color: var(--muted); }
.foot__links { display: inline-flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.foot__links a { color: var(--faint); font-size: 0.85rem; transition: color 0.2s var(--ease); }
.foot__links a:hover { color: var(--cream); }

/* ============================================================
   Entrance reveal (one orchestrated load)
   ============================================================ */
.reveal { opacity: 0; transform: translateY(18px); animation: revealUp 0.8s var(--ease-out) forwards; animation-delay: var(--d, 0ms); }
@keyframes revealUp { to { opacity: 1; transform: none; } }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .features { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav { flex-wrap: wrap; gap: 0.75rem; }
  .field { flex-wrap: wrap; padding: 0.5rem; }
  .field__input { flex-basis: 100%; padding: 0.7rem 0.9rem; }
  .btn { flex: 1 1 100%; padding: 0.85rem 1.5rem; }
  .hero__title { font-size: clamp(2.7rem, 15vw, 4rem); }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@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; }
}