/* 8twist LLC marketing site — design tokens per design/README.md, "final and exact" */

:root {
  --bg: #FAF8F5;
  --bg-tint: #F3EEE8;
  --ink: #2E2A26;
  --ink-soft: #615B54;
  --ink-soft-2: #5C5650;
  --line: #E4DFD9;
  --line-strong: #C7C0B8;
  --input-border: #D6CFC7;
  --dark: #211E1B;
  --on-dark: #F4F1ED;
  --on-dark-soft: #CFC9C3;
  --on-dark-muted: #ADA6A0;
  --on-dark-line: #5C5650;
  --on-dark-strong: #E7E3DF;
  --footer-mark: #EDE9E5;
  --footer-stroke: #E0DCD8;
  --accent: #9A5B8A;
  --error: #C0442E;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Public Sans', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; }

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

img, svg { display: block; max-width: 100%; }

::selection {
  background: rgba(232, 201, 174, 0.5);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding-inline: 32px;
}

section {
  scroll-margin-top: 80px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: 'Public Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 150ms ease, border-color 150ms ease, filter 150ms ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { filter: brightness(0.94); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-secondary:hover { opacity: 0.75; }

.btn-ghost {
  background: transparent;
  color: var(--on-dark-strong);
  border: 1px solid var(--on-dark-line);
}
.btn-ghost:hover { opacity: 0.75; }

.btn-submit {
  width: 100%;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand .wordmark {
  font-family: 'Newsreader', serif;
  font-size: 21px;
  font-weight: 600;
  color: var(--ink);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: 'Public Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  transition: color 150ms ease;
}

.site-nav a:hover { color: #665F58; }

.site-nav a.nav-contact {
  font-weight: 600;
  color: var(--accent);
}

/* Hero */

.hero {
  padding: 96px 32px 88px;
}

.hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.eyebrow {
  font-family: 'Public Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.08;
  margin-bottom: 22px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: 34px;
}

.btn-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.app-store-badge {
  height: 48px;
  width: auto;
  display: block;
}

.hero-graphic {
  width: 100%;
  height: 420px;
  background: var(--bg-tint);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* About */

.about {
  background: var(--bg-tint);
  padding: 96px 32px;
}

.about h2 {
  font-size: 38px;
  max-width: 520px;
  margin-bottom: 40px;
}

.about-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 56px;
}

.about-columns p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-soft-2);
  text-wrap: pretty;
}

/* Solutions */

.solutions {
  padding: 100px 32px;
}

.solutions-intro {
  max-width: 640px;
  margin-bottom: 56px;
}

.solutions-intro h2 {
  font-size: 38px;
  margin-bottom: 16px;
}

.solutions-intro p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 150ms ease;
}

.card:hover {
  border-color: var(--line-strong);
}

.icon-well {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-tint);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card h3 {
  font-size: 21px;
  margin: 20px 0 12px;
}

.card p {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* Piqt spotlight */

.piqt {
  background: var(--dark);
  color: var(--on-dark);
  padding: 104px 32px;
}

.piqt .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}

.badge {
  display: inline-block;
  font-family: 'Public Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent);
  background: rgba(244, 241, 237, 0.1);
  padding: 6px 16px;
  border-radius: 999px;
}

.piqt h2 {
  font-size: 42px;
  margin: 22px 0 20px;
}

.piqt p {
  font-size: 17px;
  line-height: 1.6;
}

.piqt-lead {
  max-width: 480px;
  color: var(--on-dark-soft);
  margin-bottom: 16px;
}

.piqt-sub {
  color: var(--on-dark-soft);
  margin-bottom: 34px;
}

.piqt-sub em { font-style: italic; }

.phone-frame {
  width: 262px;
  height: 569px;
  margin-inline: auto;
  border-radius: 40px;
  background: linear-gradient(160deg, rgba(154, 91, 138, 0.35), rgba(154, 91, 138, 0.12));
  border: 1px solid rgba(244, 241, 237, 0.15);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.phone-frame .mark {
  opacity: 0.5;
}

/* Contact */

.contact {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  padding: 104px 32px;
}

.contact h2 {
  font-size: 38px;
  margin-bottom: 16px;
}

.contact-lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.contact-lead a {
  color: var(--accent);
  font-weight: 600;
}

.newsletter-form {
  max-width: 420px;
  margin: 34px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.newsletter-form input {
  font-family: 'Public Sans', sans-serif;
  font-size: 15px;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--bg);
  color: var(--ink);
  outline: none;
}

.newsletter-form .field-error {
  font-size: 13px;
  color: var(--error);
  margin-top: -8px;
}

.newsletter-success {
  font-size: 15px;
  color: var(--ink-soft);
  margin-top: 16px;
}

/* Footer */

.site-footer {
  background: var(--dark);
  color: var(--on-dark-muted);
  padding: 40px 32px;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

.footer-brand .wordmark {
  font-family: 'Newsreader', serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--footer-mark);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
}

.footer-links a {
  color: var(--on-dark-soft);
}

.footer-links a:hover {
  color: var(--on-dark);
}

/* Responsive */

@media (max-width: 960px) {
  .hero .container,
  .about-columns,
  .piqt .container {
    grid-template-columns: 1fr;
  }
  .hero-graphic { height: 300px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .phone-frame { order: -1; }
}

@media (max-width: 700px) {
  .card-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .about h2, .solutions-intro h2, .contact h2 { font-size: 30px; }
  .piqt h2 { font-size: 30px; }
  .hero, .about, .solutions, .piqt, .contact { padding-top: 64px; padding-bottom: 64px; }
  .site-nav { gap: 18px; row-gap: 8px; }
}