/* ============================================================
   VoiceQuill — Marketing site
   v1.2 — Day 2 (Hero + Web3Forms waitlist)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;700;900&display=swap');

:root {
  /* ─── Colors (locked) ─── */
  --color-coral:        #FE5530;
  --color-coral-hover:  #FF6A48;
  --color-near-black:   #100E0B;
  --color-off-white:    #F2EFE7;
  --color-graphite:     #3D3833;
  --color-mute:         #8A8A84;
  --color-surface-1:    #1A1816;
  --color-border:       #2A2622;

  /* ─── Type ─── */
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Inter', system-ui, sans-serif;

  /* ─── Type scale ─── */
  --size-hero:    clamp(64px, 11vw, 144px);
  --size-h1:      clamp(40px, 5vw, 56px);
  --size-h2:      clamp(28px, 3.5vw, 36px);
  --size-subhead: clamp(20px, 2.2vw, 28px);
  --size-body:    17px;
  --size-small:   14px;
  --size-caption: 12px;

  /* ─── Spacing ─── */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  48px;
  --space-xl:  96px;
  --space-xxl: 160px;

  /* ─── Layout ─── */
  --max-content: 1120px;
  --nav-height:  72px;

  /* ─── Motion ─── */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ─── Reset ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--size-body);
  line-height: 1.5;
  color: var(--color-off-white);
  background: var(--color-near-black);
  min-height: 100vh;
}

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

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
  color: inherit;
}

input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

/* ─────────────────────────────────────────────────────────
   NAV
   ───────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  background: rgba(16, 14, 11, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}

.nav.is-scrolled {
  border-bottom-color: var(--color-border);
}

.nav-brand {
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.03em;
  line-height: 1;
}

.nav-brand .voice { color: var(--color-off-white); }
.nav-brand .quill { color: var(--color-coral); }

.nav-links {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--size-small);
  font-weight: 500;
  color: var(--color-mute);
}

.nav-links a {
  transition: color 150ms var(--ease);
}

.nav-links a:hover {
  color: var(--color-off-white);
}

/* ─────────────────────────────────────────────────────────
   HERO
   ───────────────────────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl);
}

.hero-wordmark {
  font-weight: 900;
  font-size: var(--size-hero);
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.hero-wordmark .voice { color: var(--color-off-white); }
.hero-wordmark .quill { color: var(--color-coral); }

.hero-subhead {
  margin-top: var(--space-lg);
  max-width: 640px;
  font-size: var(--size-subhead);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--color-off-white);
}

.hero-tagline {
  margin-top: var(--space-md);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-mute);
  text-transform: uppercase;
}

/* ─── Waitlist form ─── */

.waitlist {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-xs);
  width: 100%;
  max-width: 460px;
  padding: 6px;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: border-color 200ms var(--ease);
}

.waitlist:focus-within {
  border-color: var(--color-coral);
}

.waitlist-input {
  flex: 1;
  padding: 12px 14px;
  font-size: var(--size-small);
  color: var(--color-off-white);
}

.waitlist-input::placeholder {
  color: var(--color-mute);
}

.waitlist-input:disabled {
  opacity: 0.5;
}

.waitlist-button {
  padding: 12px 20px;
  font-size: var(--size-small);
  font-weight: 600;
  color: var(--color-near-black);
  background: var(--color-coral);
  border-radius: 8px;
  letter-spacing: -0.01em;
  transition: background 150ms var(--ease), transform 100ms var(--ease);
}

.waitlist-button:hover:not(:disabled) {
  background: var(--color-coral-hover);
}

.waitlist-button:active:not(:disabled) {
  transform: scale(0.98);
}

.waitlist-button:disabled {
  opacity: 0.7;
  cursor: default;
}

.waitlist-success {
  width: 100%;
  padding: 14px 18px;
  font-size: var(--size-small);
  font-weight: 500;
  text-align: center;
  color: var(--color-coral);
  letter-spacing: -0.01em;
}

/* Honeypot — invisible to humans, visible to bots */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.hero-reassurance {
  margin-top: var(--space-md);
  font-size: var(--size-caption);
  letter-spacing: 0.06em;
  color: var(--color-graphite);
  text-transform: uppercase;
}

.hero-reassurance .sep {
  margin: 0 8px;
  opacity: 0.6;
}

/* ─────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .nav {
    padding: 0 var(--space-md);
  }

  .nav-links {
    gap: var(--space-md);
  }

  .waitlist {
    flex-direction: column;
    padding: 8px;
  }

  .waitlist-button {
    width: 100%;
    padding: 14px;
  }
}