/* ============ Tokens ============ */
:root {
  --ink: #0e1512;
  --ink-soft: #364039;
  --paper: #faf9f6;
  --paper-dim: #f0efe9;
  --panel: #10201b;
  --panel-soft: #16302a;
  --green: #0fb37f;
  --green-deep: #0a5c42;
  --green-pale: #e3f7ef;
  --cyan: #06a6c4;
  --amber: #d98c1f;
  --amber-pale: #fbf0dd;
  --red: #d64545;
  --line: rgba(14, 21, 18, 0.12);
  --line-soft: rgba(14, 21, 18, 0.06);
  --line-dark: rgba(255, 255, 255, 0.1);
  --shadow: 0 20px 60px rgba(14, 21, 18, 0.12);
  --radius: 20px;
  --font-display: "Sora", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0e1512;
    --paper-dim: #10201b;
    --ink: #f4f2ec;
    --ink-soft: #b9c2bc;
    --line: rgba(244, 242, 236, 0.14);
    --line-soft: rgba(244, 242, 236, 0.07);
    --green-pale: #10302588;
    --amber-pale: #2c220f88;
  }
}
:root[data-theme="dark"] {
  --paper: #0e1512;
  --paper-dim: #10201b;
  --ink: #f4f2ec;
  --ink-soft: #b9c2bc;
  --line: rgba(244, 242, 236, 0.14);
  --line-soft: rgba(244, 242, 236, 0.07);
  --green-pale: #10302588;
  --amber-pale: #2c220f88;
}
:root[data-theme="light"] {
  --paper: #faf9f6;
  --paper-dim: #f0efe9;
  --ink: #0e1512;
  --ink-soft: #364039;
  --line: rgba(14, 21, 18, 0.12);
  --line-soft: rgba(14, 21, 18, 0.06);
  --green-pale: #e3f7ef;
  --amber-pale: #fbf0dd;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0;
  text-wrap: balance;
  letter-spacing: -0.01em;
}

p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.mono { font-family: var(--font-mono); }

.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--green);
  color: #06231a;
  box-shadow: 0 10px 30px rgba(15, 179, 127, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}
.nav-brand img { width: 28px; height: 28px; }
.nav-links {
  display: flex;
  gap: 32px;
  font-size: 0.92rem;
  font-weight: 600;
}
.nav-links a { text-decoration: none; color: var(--ink-soft); }
.nav-links a:hover { color: var(--green); }
.nav-cta { display: flex; align-items: center; gap: 18px; }

/* ============ Hero ============ */
.hero {
  padding: 90px 0 70px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  line-height: 1.05;
  margin: 18px 0 22px;
}
.hero h1 .accent { color: var(--green); }
.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: 34px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 14px; font-family: var(--font-mono); }

/* ---- phone mockup ---- */
.phone-stage { display: flex; justify-content: center; }
.phone {
  width: 290px;
  background: var(--panel);
  border-radius: 42px;
  padding: 14px;
  box-shadow: var(--shadow);
  position: relative;
}
.phone::before {
  content: "";
  position: absolute;
  top: 26px; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 5px;
  border-radius: 3px;
  background: rgba(255,255,255,0.15);
}
.phone-screen {
  background: linear-gradient(180deg, #0d1a16 0%, #0a1512 100%);
  border-radius: 30px;
  padding: 42px 20px 24px;
  color: #fff;
  font-family: var(--font-body);
}
.phone-brand {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 18px;
  text-align: center;
}
.gauge {
  width: 148px; height: 148px;
  border-radius: 50%;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  background: conic-gradient(var(--green) 0% 87%, rgba(255,255,255,0.08) 87% 100%);
  position: relative;
}
.gauge::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: #0d1a16;
}
.gauge-value {
  position: relative;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
}
.gauge-value span { font-size: 1rem; opacity: 0.6; }
.phone-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.phone-stat {
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 10px 12px;
}
.phone-stat .label { font-size: 0.65rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.06em; }
.phone-stat .value { font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600; margin-top: 2px; }
.phone-badge {
  display: flex; align-items: center; gap: 8px;
  background: rgba(15, 179, 127, 0.15);
  border: 1px solid rgba(15, 179, 127, 0.35);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green);
}
.phone-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(15,179,127,0.2); }

/* ============ Section shell ============ */
section { padding: 88px 0; }
.section-head { max-width: 620px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-top: 14px; }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; margin-top: 14px; }

/* ============ Pillars ============ */
.pillars { background: var(--paper-dim); }
.pillar-list { display: flex; flex-direction: column; gap: 2px; }
.pillar {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 32px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
}
.pillar:last-child { border-bottom: 1px solid var(--line); }
.pillar-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  padding-top: 6px;
}
.pillar-body h3 { font-size: 1.5rem; margin-bottom: 12px; }
.pillar-body p { color: var(--ink-soft); max-width: 620px; font-size: 1.02rem; }
.pillar-tag {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 100px;
  font-weight: 600;
}
.tag-secure { background: var(--green-pale); color: var(--green-deep); }
.tag-test { background: var(--amber-pale); color: #8a5c10; }
.tag-know { background: #e3f2fb; color: #0b6a85; }

/* ============ How it works ============ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
}
.step-num {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--green-pale);
  color: var(--green-deep);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700;
  margin-bottom: 20px;
}
.step h4 { font-size: 1.1rem; margin-bottom: 10px; }
.step p { color: var(--ink-soft); font-size: 0.95rem; }

/* ============ Feature grid ============ */
.features { background: var(--paper-dim); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.feature-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--green-pale);
  color: var(--green-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}
.feature-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--ink-soft); font-size: 0.92rem; }

/* ============ Who it's for ============ */
.audience { display: flex; flex-wrap: wrap; gap: 14px; }
.audience-chip {
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}

/* ============ Download / CTA ============ */
.cta-band {
  background: var(--panel);
  color: #fff;
  border-radius: 32px;
  margin: 0 auto;
  max-width: 1160px;
  padding: 70px 60px;
  text-align: center;
}
.cta-band .eyebrow { color: var(--green); }
.cta-band h2 { color: #fff; font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-top: 14px; }
.cta-band p { color: rgba(255,255,255,0.65); max-width: 520px; margin: 16px auto 32px; font-size: 1.05rem; }

/* ============ Footer ============ */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}
footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; }
.footer-brand img { width: 22px; height: 22px; }
.footer-links { display: flex; gap: 24px; font-size: 0.88rem; color: var(--ink-soft); }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--green); }

/* ============ Download page ============ */
.download-hero {
  padding: 70px 0 40px;
  text-align: center;
}
.download-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 16px 0 14px;
}
.download-hero p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.platform-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.platform-card.is-live {
  border-color: color-mix(in srgb, var(--green) 35%, var(--line));
  box-shadow: 0 16px 40px rgba(15, 179, 127, 0.1);
}
.platform-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.platform-card.is-live .platform-icon { background: var(--green-pale); color: var(--green-deep); }
.platform-card.is-soon .platform-icon { background: var(--paper-dim); color: var(--ink-soft); }
.platform-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.platform-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.platform-card.is-live .platform-status { background: var(--green-pale); color: var(--green-deep); }
.platform-card.is-soon .platform-status { background: var(--paper-dim); color: var(--ink-soft); }
.platform-card p.platform-desc {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 26px;
  min-height: 44px;
}
.platform-card .btn-ghost.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}
.platform-note {
  max-width: 640px;
  margin: 48px auto 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.7;
}
.platform-note a { color: var(--green); font-weight: 600; text-decoration: none; }

/* ============ Contact page ============ */
.contact-hero { padding: 70px 0 40px; text-align: center; }
.contact-hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 16px 0 14px; }
.contact-hero p { color: var(--ink-soft); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.contact-form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink);
}
.form-row input,
.form-row textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 15px;
  transition: border-color 0.15s ease;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-row textarea { resize: vertical; min-height: 130px; }
.form-honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.form-status {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: none;
}
.form-status.is-success { display: block; background: var(--green-pale); color: var(--green-deep); }
.form-status.is-error { display: block; background: var(--amber-pale); color: #8a5c10; }

.contact-direct {
  background: var(--panel);
  color: #fff;
  border-radius: var(--radius);
  padding: 34px 30px;
}
.contact-direct h3 { color: #fff; font-size: 1.2rem; margin-bottom: 10px; }
.contact-direct p { color: rgba(255,255,255,0.65); font-size: 0.92rem; margin-bottom: 22px; }
.contact-direct .email-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--green);
  text-decoration: none;
  word-break: break-all;
}
.contact-direct-divider { height: 1px; background: var(--line-dark); margin: 24px 0; }
.contact-direct .contact-meta { font-size: 0.85rem; color: rgba(255,255,255,0.5); }

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .phone-stage { order: -1; margin-bottom: 20px; }
  .pillar { grid-template-columns: 1fr; gap: 12px; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 50px 28px; border-radius: 24px; }
  .nav-links { display: none; }
  .platform-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}