/* ============================================================
   Smoase — design tokens + base
   ============================================================ */

:root {
  /* Palette: Smoase brand — aubergine + mint + ink (default)
     Sourced from Flutter tokens:
       #2D143F primary aubergine · #72DA69 mint accent
       #092A50 navy · #5471FA bright blue · #020202 deepest ink */
  --primary-50:  #F4EFF7;
  --primary-100: #E5D7EC;
  --primary-200: #C5A8D2;
  --primary-300: #9D7AB0;
  --primary-400: #6E4485;
  --primary-500: #2D143F;   /* primary aubergine */
  --primary-600: #1F0D2C;
  --primary-700: #150921;
  --primary-800: #0D0518;

  --accent: #72DA69;        /* mint accent / success */
  --accent-50: #E8F8E5;
  --accent-100: #C9EFC3;
  --accent-600: #4FB748;
  --accent-700: #2F8A2A;

  --info: #5471FA;          /* bright blue, sparingly */
  --info-50: #ECF0FE;

  --navy: #092A50;          /* secondary deep navy */
  --ink-950: #020202;       /* deepest ink */
  --ink-900: #0A0810;       /* headings, body */
  --ink-800: #1A1620;
  --ink-700: #3A3441;
  --ink-600: #5C5567;

  --neutral-50:  #F7F4FA;   /* page bg — cool off-white with aubergine cast */
  --neutral-100: #EFEBF3;   /* cream-equivalent section bg */
  --neutral-150: #E5DFEB;
  --neutral-200: #DAD3E1;   /* hairline border */
  --neutral-300: #B5ACBF;
  --neutral-400: #837B8E;
  --neutral-500: #5C5567;
  --neutral-600: #3E3946;
  --neutral-900: #0A0810;   /* dark sections */

  --success: #4FB748;       /* mint, darkened for AA on white */

  /* Type */
  --font-sans: "Geist", ui-sans-serif, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", serif;

  /* Scale (kept to 6 sizes per acceptance criteria) */
  --t-xs: 12px;
  --t-sm: 14px;
  --t-md: 16px;
  --t-lg: 19px;
  --t-xl: 24px;
  --t-2xl: 32px;
  --t-3xl: 44px;
  --t-4xl: 64px;
  --t-5xl: 84px;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-pill: 999px;

  /* Shadows — soft, applied on hover not at rest */
  --shadow-sm: 0 1px 2px rgba(10,8,16,0.04);
  --shadow-md: 0 8px 24px -8px rgba(10,8,16,0.10), 0 2px 6px rgba(10,8,16,0.04);
  --shadow-lg: 0 24px 48px -16px rgba(45,20,63,0.18), 0 4px 12px rgba(10,8,16,0.06);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 160ms;
  --dur-med: 240ms;
  --dur-slow: 420ms;
}

/* Palette variant: Navy-led — leans into the secondary navy as primary */
.palette-navy {
  --primary-50:  #E8EEF6;
  --primary-100: #C2D0E5;
  --primary-200: #8FA8C9;
  --primary-300: #4F75A3;
  --primary-400: #234E7E;
  --primary-500: #092A50;
  --primary-600: #061E3A;
  --primary-700: #04152A;
  --primary-800: #020D1A;
}

/* Palette variant: Bright-blue accent forward */
.palette-electric {
  --primary-50:  #ECF0FE;
  --primary-100: #D2DBFD;
  --primary-200: #A5B6FB;
  --primary-300: #7A92F8;
  --primary-400: #5471FA;
  --primary-500: #3450E8;
  --primary-600: #233ECC;
  --primary-700: #182D9C;
  --primary-800: #0F1F73;
}

/* Palette variant: Warm terracotta — original exploration */
.palette-terracotta {
  --primary-50:  #FDF1EA;
  --primary-100: #FADBC9;
  --primary-200: #F3B89B;
  --primary-300: #E89368;
  --primary-400: #D8703F;
  --primary-500: #BD4F26;
  --primary-600: #9E3F1B;
  --primary-700: #7E3215;
  --primary-800: #5C240F;
  --neutral-50:  #F7F4FA;
  --neutral-100: #EFEBF3;
  --neutral-150: #ECE4D0;
  --neutral-200: #DDD3BB;
  --ink-900: #15140F;
  --neutral-900: #1D1C18;
}

/* ============================================================ */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--neutral-50);
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: var(--t-md);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#app { min-height: 100vh; display: flex; flex-direction: column; }

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

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 540;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink-900);
  text-wrap: balance;
}

p { margin: 0; }

.serif { font-family: var(--font-serif); font-weight: 400; font-style: italic; letter-spacing: -0.01em; }

/* ===== layout primitives ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .container { padding: 0 40px; }
}

.section { padding: 96px 0; }
@media (max-width: 767px) { .section { padding: 64px 0; } }

.section--tight { padding: 64px 0; }
.section--cream { background: var(--neutral-100); }
.section--ink   { background: var(--neutral-900); color: #EFEBF3; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #F7F4FA; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-700);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.section--ink .eyebrow { color: #C5BFD0; }

/* ===== buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-weight: 500;
  font-size: var(--t-sm);
  letter-spacing: -0.005em;
  padding: 10px 18px;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn--md { padding: 11px 20px; font-size: var(--t-sm); }
.btn--lg { padding: 14px 26px; font-size: var(--t-md); }

.btn--primary {
  background: var(--primary-500);
  color: #FFF;
}
.btn--primary:hover { background: var(--primary-600); }

.btn--secondary {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--neutral-300);
}
.btn--secondary:hover { background: rgba(21,20,15,0.04); border-color: var(--ink-900); }

.btn--ghost {
  background: transparent;
  color: var(--ink-900);
  padding-left: 0;
  padding-right: 0;
}
.btn--ghost:hover { color: var(--primary-600); }
.btn--ghost .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn--ghost:hover .arrow { transform: translateX(3px); }

.section--ink .btn--secondary { color: #F7F4FA; border-color: rgba(247,244,250,0.25); }
.section--ink .btn--secondary:hover { background: rgba(247,244,250,0.08); border-color: rgba(247,244,250,0.6); }

/* ===== card ===== */
.card {
  background: #FFF;
  border: 1px solid var(--neutral-200);
  border-radius: var(--r-md);
  padding: 28px;
  transition: box-shadow var(--dur-med) var(--ease),
              transform var(--dur-med) var(--ease),
              border-color var(--dur-med) var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--neutral-300);
}
.card--ink { background: var(--neutral-900); border-color: rgba(255,255,255,0.08); color: #C5BFD0; }
.card--ink:hover { border-color: rgba(255,255,255,0.18); }

/* ===== badge / pill ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--neutral-100);
  border: 1px solid var(--neutral-200);
  font-size: var(--t-xs);
  font-weight: 500;
  color: var(--ink-700);
}
.badge--primary {
  background: var(--primary-50);
  border-color: var(--primary-100);
  color: var(--primary-700);
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ===== input ===== */
.input, .textarea {
  width: 100%;
  background: #FFF;
  border: 1px solid var(--neutral-200);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font-family: inherit;
  font-size: var(--t-sm);
  color: var(--ink-900);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px var(--primary-50);
}
.textarea { resize: vertical; min-height: 120px; }
.label { display: block; font-size: var(--t-sm); font-weight: 500; margin-bottom: 6px; color: var(--ink-800); }

/* ===== misc ===== */
.hairline { height: 1px; background: var(--neutral-200); border: 0; }
.section--ink .hairline { background: rgba(255,255,255,0.1); }

.muted { color: var(--ink-700); }
.section--ink .muted { color: rgba(247,244,250,0.7); }

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* simple grid helpers */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* selection */
::selection { background: var(--primary-200); color: var(--ink-900); }