/* ============================================================
   Blue Horizon — marketing site
   Static stylesheet. Palette + typography per /brand/brand.md.
   No build step: this file ships as-is.
   ============================================================ */

/* ---------- Fonts (self-hosted, see assets/fonts/) ---------- */
@font-face {
  font-family: "Satoshi";
  src: url("../assets/fonts/satoshi-300.woff2") format("woff2");
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("../assets/fonts/satoshi-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("../assets/fonts/satoshi-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("../assets/fonts/satoshi-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Love Nature";
  src: url("../assets/fonts/LoveNature-48z9.ttf") format("truetype");
  font-weight: 400; font-style: normal; font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  /* Core palette */
  --horizon-blue: #0961BC;
  --horizon-blue-dark: #074D96;
  --graphite: #2A3240;
  --cloud: #E3EEFB;
  --cloud-soft: #F2F7FD;   /* lighter cloud for section bands */
  --amber: #E09B3D;
  --forest: #2E8B5A;
  --crimson: #C94F4F;
  --slate: #6B7380;
  --line: #E2E6EC;          /* hairline borders on white */
  --white: #FFFFFF;

  /* Type */
  --display-font: "Love Nature", Impact, "Arial Black", sans-serif;
  --body-font: "Satoshi", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: 1160px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(42, 50, 64, 0.06), 0 2px 8px rgba(42, 50, 64, 0.05);
  --shadow-md: 0 6px 24px rgba(42, 50, 64, 0.10);
  --header-h: 72px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--body-font);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  color: var(--graphite);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--horizon-blue); text-decoration: none; }
a:hover { color: var(--horizon-blue-dark); }
h1, h2, h3, h4 { color: var(--graphite); line-height: 1.15; margin: 0 0 0.5em; }
p { margin: 0 0 1em; }
strong { font-weight: 700; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section--tight { padding: 64px 0; }
.section--cloud { background: var(--cloud-soft); }
.section--graphite { background: var(--graphite); }
.section-head { max-width: 720px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--horizon-blue);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-head .lead {
  font-size: 1.18rem;
  color: var(--slate);
  margin-top: 0.6em;
  line-height: 1.55;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--body-font);
  font-weight: 700; font-size: 0.98rem;
  padding: 13px 24px; border-radius: 999px;
  border: 2px solid transparent; cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--horizon-blue); color: var(--white); }
.btn-primary:hover { background: var(--horizon-blue-dark); color: var(--white); }
.btn-ghost { background: transparent; color: var(--horizon-blue); border-color: var(--horizon-blue); }
.btn-ghost:hover { background: var(--horizon-blue); color: var(--white); }
.btn-light { background: var(--white); color: var(--horizon-blue); }
.btn-light:hover { background: var(--cloud); color: var(--horizon-blue-dark); }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.55); }
.btn-outline-light:hover { background: rgba(255,255,255,.12); color: var(--white); border-color: var(--white); }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.site-header .container {
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 38px; width: auto; }
.brand .wordmark {
  font-family: var(--display-font);
  font-size: 1.25rem; letter-spacing: 0.04em; color: var(--graphite);
  line-height: 1;
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav a.nav-link {
  color: var(--graphite); font-weight: 500; font-size: 0.97rem;
}
.nav a.nav-link:hover { color: var(--horizon-blue); }
.nav-cta { margin-left: 6px; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; padding: 10px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--graphite); border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span + span { margin-top: 5px; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  background: var(--horizon-blue);
  color: var(--cloud);
  padding: 104px 0 0;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center;
  padding-bottom: 120px;
}
.hero-logo { width: min(300px, 70%); margin: 0 auto; filter: drop-shadow(0 10px 30px rgba(0,0,0,.18)); }
.hero h1 {
  font-family: var(--display-font);
  color: var(--white);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  line-height: 1.02; letter-spacing: 0.01em;
  margin: 0 0 22px;
}
.hero .tagline {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  color: var(--cloud); opacity: 0.95; font-weight: 500;
  max-width: 560px; margin-bottom: 18px;
}
.hero .subtag {
  font-size: 1.02rem; color: #F4F8FD; opacity: 0.96; max-width: 540px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
/* subtle mountain silhouette echoing the logo, anchored to the bottom edge */
.hero-mountains {
  position: absolute; left: 0; right: 0; bottom: -1px; z-index: 1;
  width: 100%; height: auto; pointer-events: none;
}

/* ============================================================
   Stat row
   ============================================================ */
.stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 8px;
}
.stat {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; text-align: center; box-shadow: var(--shadow-sm);
}
.stat .num {
  font-family: var(--display-font); color: var(--horizon-blue);
  font-size: clamp(2.4rem, 4.5vw, 3.2rem); line-height: 1; letter-spacing: 0.01em;
}
.stat .label {
  display: block; margin-top: 12px; color: var(--slate);
  font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.07em; line-height: 1.45;
}

/* ============================================================
   Pain cards (A / B / C)
   ============================================================ */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pain {
  background: var(--white); border: 1px solid var(--line);
  border-left: 5px solid var(--crimson);
  border-radius: var(--radius); padding: 26px 26px 28px; box-shadow: var(--shadow-sm);
}
.pain .tag {
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--crimson); display: block; margin-bottom: 10px;
}
.pain h3 { font-size: 1.18rem; font-weight: 700; margin-bottom: 10px; }
.pain p { color: var(--slate); font-size: 0.98rem; margin: 0; }
.pain.amber { border-left-color: var(--amber); }
.pain.amber .tag { color: var(--amber); }
.pain.slate { border-left-color: var(--slate); }
.pain.slate .tag { color: var(--slate); }

/* ============================================================
   Mission band
   ============================================================ */
.mission { background: var(--graphite); color: var(--cloud); }
.mission .container { max-width: 920px; text-align: center; }
.mission .eyebrow { color: #8FC0F2; }
.mission p.statement {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  line-height: 1.4; color: var(--white); font-weight: 500; margin: 0;
}
.mission p.statement .hl { color: #8FC0F2; }
.mission .sub { color: rgba(227,238,251,0.72); font-size: 1.05rem; margin-top: 24px; }

/* ============================================================
   Solution / How
   ============================================================ */
.how-flow {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--white); box-shadow: var(--shadow-sm);
}
.how-step { padding: 30px 28px; position: relative; }
.how-step + .how-step { border-left: 1px solid var(--line); }
.how-step .step-n {
  font-family: var(--display-font); font-size: 1.1rem; color: var(--horizon-blue);
  letter-spacing: 0.05em;
}
.how-step h3 { font-size: 1.15rem; margin: 8px 0 8px; }
.how-step p { color: var(--slate); font-size: 0.96rem; margin: 0; }

/* Logbook spotlight */
.logbook {
  margin-top: 40px;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0;
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md);
}
.logbook .lb-copy { background: var(--horizon-blue); color: var(--cloud); padding: 44px 42px; }
.logbook .lb-copy .eyebrow { color: #BCD9F7; }
.logbook .lb-copy h3 { color: var(--white); font-size: 1.7rem; margin-bottom: 14px; }
.logbook .lb-copy p { color: var(--cloud); opacity: 0.92; margin-bottom: 0; }
.logbook .lb-points { background: var(--cloud); padding: 44px 42px; }
.logbook .lb-points ul { list-style: none; margin: 0; padding: 0; }
.logbook .lb-points li {
  position: relative; padding-left: 28px; margin-bottom: 16px; color: var(--graphite);
  font-size: 0.98rem; line-height: 1.5;
}
.logbook .lb-points li:last-child { margin-bottom: 0; }
.logbook .lb-points li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 12px; height: 12px; border-radius: 3px;
  background: var(--horizon-blue);
}

/* ============================================================
   Feature cards (the 3 products)
   ============================================================ */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  border-top: 4px solid var(--horizon-blue);
  padding: 32px 30px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature.amber { border-top-color: var(--amber); }
.feature.forest { border-top-color: var(--forest); }
.feature .ficon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center; background: var(--cloud); color: var(--horizon-blue);
}
.feature.amber .ficon { color: var(--amber); background: #FBF1E1; }
.feature.forest .ficon { color: var(--forest); background: #E4F1EA; }
.feature .ficon svg { width: 26px; height: 26px; }
.feature .ftag {
  display: block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--slate); margin-bottom: 6px;
}
.feature h3 { font-size: 1.45rem; margin-bottom: 12px; }
.feature p { color: var(--slate); font-size: 0.99rem; margin: 0; }
.feature .fmeta { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.feature .fmeta .pill {
  display: inline-block; font-size: 0.78rem; font-weight: 600;
  padding: 4px 11px; border-radius: 999px; background: var(--cloud); color: var(--horizon-blue);
  margin: 0 6px 6px 0;
}

/* ============================================================
   Team
   ============================================================ */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.member {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
}
.member .avatar {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 18px;
  display: grid; place-items: center; background: var(--cloud); color: var(--horizon-blue);
}
.member .avatar svg { width: 28px; height: 28px; }
.member h3 { font-size: 1.3rem; margin-bottom: 4px; }
.member .role {
  display: block; color: var(--horizon-blue); font-weight: 600; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 14px;
}
.member p { color: var(--slate); font-size: 0.95rem; margin-bottom: 0; }
.member .linkedin {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 16px;
  font-weight: 600; font-size: 0.9rem;
}
.member .linkedin svg { width: 16px; height: 16px; }

/* mode switching: anonymous is the no-JS default; JS sets data-mode */
#team .team-named { display: none; }
#team[data-mode="named"] .team-anon { display: none; }
#team[data-mode="named"] .team-named { display: grid; }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); }
.contact-copy p { color: var(--slate); font-size: 1.05rem; }
.contact-copy .direct {
  margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: 0.98rem; color: var(--slate);
}
.contact-copy .direct a { font-weight: 600; }

.form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 0.82rem; font-weight: 600; color: var(--graphite);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 7px;
}
.field input, .field textarea {
  width: 100%; font-family: var(--body-font); font-size: 1rem; color: var(--graphite);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--horizon-blue);
  box-shadow: 0 0 0 3px rgba(9,97,188,0.12);
}
.field textarea { resize: vertical; min-height: 130px; }
/* honeypot — visually hidden, off-screen */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form .btn { width: 100%; justify-content: center; }
.form-note { margin-top: 14px; font-size: 0.9rem; text-align: center; min-height: 1.2em; }
.form-note.ok { color: var(--forest); }
.form-note.err { color: var(--crimson); }
.form[data-state="sent"] .form-body { display: none; }
.form-success { display: none; text-align: center; padding: 24px 8px; }
.form[data-state="sent"] .form-success { display: block; }
.form-success .check {
  width: 56px; height: 56px; border-radius: 50%; background: #E4F1EA; color: var(--forest);
  display: grid; place-items: center; margin: 0 auto 16px;
}
.form-success h3 { color: var(--forest); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--graphite); color: rgba(227,238,251,0.75); padding: 56px 0 36px; }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: flex-start; }
.site-footer .f-brand { display: flex; align-items: center; gap: 12px; }
.site-footer .f-brand img { height: 40px; }
.site-footer .f-brand .wordmark { font-family: var(--display-font); color: var(--white); font-size: 1.2rem; letter-spacing: 0.04em; }
.site-footer .f-links { display: flex; gap: 28px; flex-wrap: wrap; }
.site-footer a { color: rgba(227,238,251,0.75); font-weight: 500; }
.site-footer a:hover { color: var(--white); }
.site-footer .f-bottom {
  width: 100%; margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: rgba(227,238,251,0.55);
}

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
/* Only hide pre-reveal when JS is active (progressive enhancement):
   without JS the content is simply visible. */
.js .reveal-up { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal-up.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal-up { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 90px; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-logo { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .logbook { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav { position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    padding: 8px 0 16px; transform: translateY(-130%); transition: transform .25s ease; }
  .nav.open { transform: translateY(0); }
  .nav a.nav-link { padding: 14px 24px; border-bottom: 1px solid var(--line); }
  .nav-cta { margin: 12px 24px 0; text-align: center; }
  .nav-toggle { display: block; }
  .stat-row, .cards-3, .how-flow, .features, .team-grid { grid-template-columns: 1fr; }
  .how-step + .how-step { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 64px 0; }
}