/* ============================================================
   WELLSPRING AI PROGRAM · design system core
   One identity, two skins: [data-brand="mortgage" | "investments" | "ops"]
   Art direction: "Midnight Wellspring" — see DESIGN.md
   ============================================================ */

:root {
  /* Type families (Google Fonts loaded per page; strong fallbacks) */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Archivo", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "Spline Sans Mono", "Cascadia Code", Consolas, monospace;

  /* Motion — heavy, expensive easing. Never bouncy. */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);       /* expo-ish out */
  --ease-inout: cubic-bezier(0.83, 0, 0.17, 1);
  --dur-fast: 320ms;
  --dur-slow: 900ms;

  /* Shape */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Layout */
  --container: 1240px;
  --container-wide: 1440px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* Type scale */
  --text-hero: clamp(2.75rem, 7.2vw, 6.25rem);
  --text-display: clamp(2.1rem, 4.6vw, 3.9rem);
  --text-title: clamp(1.45rem, 2.4vw, 2.1rem);
  --text-lead: clamp(1.05rem, 1.5vw, 1.3rem);
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-micro: 0.78rem;
}

/* ---------- Skin: Wellspring Mortgage (midnight navy + sky + cream) */
[data-brand="mortgage"] {
  --bg: #070d18;
  --bg-2: #0b1626;
  --bg-3: #102035;
  --paper: #f2ede3;          /* cream editorial sections */
  --paper-2: #e9e1d0;
  --text: #ece6d9;           /* on dark */
  --text-dim: rgba(236, 230, 217, 0.62);
  --ink: #131c2c;            /* on paper */
  --ink-dim: rgba(19, 28, 44, 0.64);
  --accent: #268fcd;         /* brand sky blue */
  --accent-hi: #7cc3ec;      /* luminous sky, for glow text on dark */
  --royal: #345a9c;          /* institutional blue */
  --action: #4775ce;
  --gold: #c9a96a;           /* reserved: "3 AM moment" beats only */
  --line: rgba(124, 195, 236, 0.16);
  --line-strong: rgba(124, 195, 236, 0.32);
  --glass: rgba(16, 32, 53, 0.55);
  --glow: 0 0 44px rgba(38, 143, 205, 0.35);
  --success: #4fc48f;
}

/* ---------- Skin: Wellspring Investments (warm near-black + bronze) */
[data-brand="investments"] {
  --bg: #0b0a08;
  --bg-2: #121008;
  --bg-3: #1a160f;
  --paper: #16130d;          /* investments never goes light */
  --paper-2: #1d1912;
  --text: #e9e2d4;
  --text-dim: rgba(233, 226, 212, 0.58);
  --ink: #e9e2d4;
  --ink-dim: rgba(233, 226, 212, 0.58);
  --accent: #b08d57;         /* bronze */
  --accent-hi: #d8bd8a;      /* brass highlight */
  --royal: #6d5a39;
  --action: #b08d57;
  --gold: #d8bd8a;
  --line: rgba(216, 189, 138, 0.15);
  --line-strong: rgba(216, 189, 138, 0.32);
  --glass: rgba(26, 22, 15, 0.55);
  --glow: 0 0 44px rgba(176, 141, 87, 0.28);
  --success: #9fbf7f;
}

/* ---------- Skin: Operations dashboard (mission control) */
[data-brand="ops"] {
  --bg: #060b14;
  --bg-2: #0a1220;
  --bg-3: #0f1a2c;
  --panel: #0c1524;
  --panel-2: #111d31;
  --text: #dfe7f2;
  --text-dim: rgba(223, 231, 242, 0.55);
  --ink: #dfe7f2;
  --ink-dim: rgba(223, 231, 242, 0.55);
  --accent: #268fcd;
  --accent-hi: #7cc3ec;
  --royal: #345a9c;
  --action: #4775ce;
  --gold: #c9a96a;
  --bronze: #b08d57;         /* investments-routed leads */
  --line: rgba(124, 195, 236, 0.13);
  --line-strong: rgba(124, 195, 236, 0.3);
  --glass: rgba(12, 21, 36, 0.6);
  --glow: 0 0 34px rgba(38, 143, 205, 0.3);
  --success: #4fc48f;
  --warn: #d9a441;
  --danger: #d96868;
}

/* ============================================================ base */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, video, canvas { max-width: 100%; height: auto; display: block; }

a { color: var(--accent-hi); text-underline-offset: 0.22em; }
a:hover { color: var(--text); }

:is(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--accent); color: #fff; }

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.08; font-weight: 560; }

.font-display { font-family: var(--font-display); }
.mono { font-family: var(--font-mono); }

/* ============================================================ layout */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}
.container--wide { width: min(100% - 2 * var(--gutter), var(--container-wide)); }

.section { padding-block: clamp(4.5rem, 10vw, 8.5rem); position: relative; }

/* Cream editorial band (mortgage light sections) */
.section--paper { background: var(--paper); color: var(--ink); }
.section--paper .eyebrow { color: var(--royal); }
.section--paper h2, .section--paper h3 { color: var(--ink); }

/* ============================================================ texture */
/* Film grain on dark sections — pure CSS, no requests */
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.5;
  mix-blend-mode: overlay;
  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' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E");
}

/* ============================================================ type helpers */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-hi);
}
.eyebrow::before {
  content: "";
  width: 2.2em;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 480;
  letter-spacing: -0.015em;
  line-height: 1.02;
  text-wrap: balance;
}
.display-title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.lead { font-size: var(--text-lead); color: var(--text-dim); max-width: 56ch; text-wrap: pretty; }
.section--paper .lead { color: var(--ink-dim); }

em.accent {
  font-style: italic;
  color: var(--accent-hi);
}

/* Investments skin: thinner, wider, more architectural type */
[data-brand="investments"] .hero-title { font-weight: 350; letter-spacing: 0; }
[data-brand="investments"] .display-title { font-weight: 380; }
[data-brand="investments"] .eyebrow { letter-spacing: 0.34em; }

/* ============================================================ buttons */
.btn {
  --btn-bg: var(--action);
  --btn-fg: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 1.7rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 640;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), var(--glow); color: var(--btn-fg); }
.btn:active { transform: translateY(0); }

[data-brand="investments"] .btn {
  --btn-bg: transparent;
  --btn-fg: var(--accent-hi);
  border-color: var(--accent);
  letter-spacing: 0.22em;
}
[data-brand="investments"] .btn:hover { --btn-bg: var(--accent); --btn-fg: #14100a; }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--accent-hi); box-shadow: none; }
.section--paper .btn--ghost { --btn-fg: var(--ink); border-color: rgba(19, 28, 44, 0.3); }

/* ============================================================ glass card */
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ============================================================ header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}
/* Styleguide rule: full logo lives on a light chip, never raw on dark */
.logo-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  background: #fdfdfb;
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.logo-chip img { width: 132px; height: auto; }

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 520;
  color: var(--text);
  letter-spacing: 0.01em;
}
.wordmark small {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-hi);
}

.site-nav { display: flex; align-items: center; gap: 1.9rem; }
.site-nav a {
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 560;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }

@media (max-width: 860px) {
  .site-nav { display: none; }
}

/* ============================================================ forms */
.field { display: grid; gap: 0.4rem; }
.field label {
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 50px;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font: 400 1rem/1.4 var(--font-body);
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}
.field select option { background: var(--bg-2); color: var(--text); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: var(--text-small);
  color: var(--text-dim);
}
.consent input[type="checkbox"] {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 0.15em;
  accent-color: var(--accent);
}

/* ============================================================ opt-in sequence timeline (shared component, built by js/shared.js) */
.optin-sequence { display: grid; gap: 0; }
.seq-step {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 1rem;
  align-items: start;
  padding-block: 1.05rem;
  opacity: 0;
  transform: translateY(14px);
}
.seq-step + .seq-step { border-top: 1px solid var(--line); }
.seq-step__icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--glass);
  font-size: 0.95rem;
  color: var(--accent-hi);
}
.seq-step__title { font-weight: 620; font-size: 0.98rem; color: var(--text); }
.seq-step__sub { font-size: var(--text-small); color: var(--text-dim); margin-top: 0.15rem; }
.seq-step__time {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.08em;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 0.2rem;
}
.seq-step.is-done .seq-step__icon {
  border-color: var(--success);
  color: var(--success);
  box-shadow: 0 0 18px color-mix(in srgb, var(--success) 35%, transparent);
}
.seq-step--call.is-live .seq-step__icon {
  border-color: var(--gold);
  color: var(--gold);
  animation: seq-pulse 1.6s var(--ease-inout) infinite;
}
@keyframes seq-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--gold) 45%, transparent); }
  55% { box-shadow: 0 0 0 12px transparent; }
}

/* ============================================================ persistent demo footnote */
.demo-footnote {
  position: fixed;
  inset: auto auto 12px 12px;
  z-index: 60;
  padding: 0.4rem 0.75rem;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  pointer-events: none;
}

/* ============================================================ reveal defaults (js sets final state) */
[data-reveal] { opacity: 0; transform: translateY(28px); will-change: opacity, transform; }

/* ============================================================ reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}