/* Nattoro, Inc. — site styles */
:root {
  --ink: #0a1a2f;
  --navy: #0f2a4a;
  --navy-2: #163a63;
  --brand: #194b86;
  --sky: #74b8f2;
  --sky-soft: rgba(116, 184, 242, 0.14);
  --ember: #e1703c;
  --ember-hover: #f08250;
  --paper: #f4f7fb;
  --card: #ffffff;
  --text: #13233a;
  --muted: #56677d;
  --line: #dde5ef;
  --on-dark: #e8eff8;
  --on-dark-muted: #9fb3cb;
  --radius: 16px;
  --max: 1180px;
  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --hero-bg: radial-gradient(120% 120% at 82% 8%, #1e4f80 0%, #12325a 42%, #0a1a2f 100%);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.08; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 26, 47, 0.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand img { height: 48px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  color: var(--on-dark); text-decoration: none; font-weight: 500; font-size: 0.95rem;
  padding: 6px 0; border-bottom: 2px solid transparent; transition: border-color .2s, color .2s;
}
.nav a:hover { color: #fff; border-color: rgba(116,184,242,.6); }
.nav a[aria-current="page"] { color: #fff; border-color: var(--sky); }
.menu-btn { display: none; background: none; border: 0; padding: 10px; cursor: pointer; color: #fff; }
.menu-btn span { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px 0; border-radius: 2px; transition: transform .25s, opacity .2s; }
.menu-open .menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
.menu-open .menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 0.98rem/1 var(--font); text-decoration: none; cursor: pointer;
  padding: 15px 26px; border-radius: 999px; border: 1.5px solid transparent;
  transition: background .2s, transform .15s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ember); color: #fff; }
.btn-primary:hover { background: var(--ember-hover); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }
.btn-sm { padding: 11px 20px; font-size: 0.9rem; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px; margin-bottom: 20px;
  background: var(--sky-soft); color: var(--brand); border: 1px solid rgba(25,75,134,.18);
}
.dark .eyebrow { color: var(--sky); border-color: rgba(116,184,242,.3); background: rgba(116,184,242,.1); }

/* ---------- Dark sections ---------- */
.dark { background: var(--hero-bg); color: var(--on-dark); position: relative; overflow: hidden; }
.dark h1, .dark h2, .dark h3 { color: #fff; }
.glow { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(4px); }
.glow.a { width: 620px; height: 620px; right: -160px; top: -220px; background: radial-gradient(circle, rgba(116,184,242,.22), transparent 62%); }
.glow.b { width: 520px; height: 520px; left: -200px; bottom: -260px; background: radial-gradient(circle, rgba(225,112,60,.16), transparent 64%); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 104px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; position: relative; }
.hero h1 { margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--sky); }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.32rem); color: var(--on-dark); max-width: 36ch; line-height: 1.55; }
.lede strong { color: #fff; font-weight: 600; }
.hero .fine { margin-top: 22px; font-size: 0.82rem; color: var(--on-dark-muted); max-width: 60ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-visual {
  position: relative; aspect-ratio: 1 / 1.05; border-radius: 28px;
  background: radial-gradient(80% 70% at 50% 45%, rgba(116,184,242,.28), rgba(116,184,242,0) 70%), linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.7);
  display: grid; place-items: center; padding: 40px;
}
.hero-visual img { width: 82%; filter: drop-shadow(0 30px 40px rgba(0,0,0,.45)); }
.hero-visual .tag {
  position: absolute; left: 20px; bottom: 18px; font-size: 0.72rem; color: var(--on-dark-muted);
}
.page-hero { padding: 88px 0 80px; }
.page-hero .wrap { position: relative; }
.page-hero p.lede { max-width: 56ch; margin-top: 22px; }

/* ---------- Sections ---------- */
section.block { padding: 104px 0; }
section.block.tight { padding: 80px 0; }
.white { background: #fff; }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head p { margin-top: 18px; color: var(--muted); font-size: 1.1rem; }
.dark .section-head p { color: var(--on-dark-muted); }

/* Quote */
.quote { padding: 88px 0; background: var(--paper); }
.quote blockquote { margin: 0 auto; max-width: 900px; text-align: center; }
.quote blockquote p { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; line-height: 1.3; letter-spacing: -0.015em; color: var(--navy); }
.quote cite { display: block; margin-top: 22px; font-style: normal; color: var(--muted); font-size: 0.98rem; }
.quote cite strong { color: var(--text); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.stat .num { font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; color: var(--brand); letter-spacing: -0.03em; line-height: 1; }
.stat p { margin-top: 12px; color: var(--muted); font-size: 0.98rem; }
.source { margin-top: 18px; font-size: 0.8rem; color: var(--muted); }

/* Feature cards (Lenneuro-style left accent) */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature {
  background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--brand);
  border-radius: 14px; padding: 28px 30px;
}
.feature:nth-child(2) { border-left-color: var(--ember); }
.feature:nth-child(3) { border-left-color: var(--sky); }
.feature:nth-child(4) { border-left-color: var(--navy-2); }
.feature h3 { margin-bottom: 10px; color: var(--navy); }
.feature p { color: var(--muted); font-size: 0.98rem; }
.notice { margin-top: 28px; font-size: 0.8rem; color: var(--muted); max-width: 90ch; }
.dark .notice { color: var(--on-dark-muted); }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split p + p { margin-top: 16px; }
.split .body p { color: var(--muted); font-size: 1.06rem; }
.checks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks li::before { content: ""; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%; background: var(--sky-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23194b86' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.step figure { margin: 0; background: #fff; height: 230px; display: flex; align-items: center; justify-content: center; padding: 22px; border-bottom: 1px solid var(--line); }
.step figure img { max-height: 186px; max-width: 100%; width: auto; height: auto; object-fit: contain; }
.step .txt { padding: 24px 26px 28px; }
.step .txt::before { counter-increment: step; content: "0" counter(step); display: block; font-weight: 800; color: var(--ember); font-size: 0.85rem; letter-spacing: .12em; margin-bottom: 8px; }
.step p { color: var(--muted); margin-top: 8px; font-size: 0.98rem; }

/* 3D model */
.model-frame { width: 100%; height: 640px; border: 0; display: block; border-radius: 22px; background: #0a1a2f; box-shadow: 0 40px 90px -40px rgba(0,0,0,.55); }

/* Comparison */
.compare { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 0.98rem; }
.compare th, .compare td { padding: 18px 20px; text-align: center; border-bottom: 1px solid var(--line); }
.compare th:first-child, .compare td:first-child { text-align: left; font-weight: 600; color: var(--navy); }
.compare thead th { background: var(--paper); font-size: 0.85rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.compare thead th.hl { color: var(--brand); }
.compare td.hl { background: rgba(116,184,242,.08); }
.compare tr:last-child td { border-bottom: 0; }
.yes, .no { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-weight: 800; }
.yes { background: rgba(31,157,107,.12); color: #1f9d6b; }
.no { background: rgba(200,60,60,.1); color: #c43c3c; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Roadmap */
.roadmap { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; margin-top: 10px; }
.roadmap::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 2px; background: linear-gradient(90deg, var(--sky), var(--ember)); opacity: .7; }
.milestone { position: relative; padding: 38px 18px 0 0; }
.milestone::before { content: ""; position: absolute; top: 4px; left: 0; width: 16px; height: 16px; border-radius: 50%; background: var(--ink); border: 3px solid var(--sky); }
.milestone:nth-child(n+4)::before { border-color: var(--ember); }
.milestone .when { font-weight: 800; color: #fff; font-size: 1.05rem; }
.milestone p { color: var(--on-dark-muted); font-size: 0.92rem; margin-top: 8px; }

/* Team */
.people { display: grid; gap: 24px; }
.people.founders { grid-template-columns: repeat(2, 1fr); }
.people.advisors { grid-template-columns: repeat(4, 1fr); }
.person { background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; display: flex; flex-direction: column; }
.person img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: #e6edf5; }
.person .info { padding: 24px 26px 28px; }
.person .role { font-size: 0.78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ember); margin-bottom: 6px; }
.person h3 { color: var(--navy); }
.person .creds { margin-top: 10px; color: var(--muted); font-size: 0.95rem; }
.person .bio { margin-top: 14px; color: var(--text); font-size: 0.98rem; }
.founders .person { flex-direction: row; }
.founders .person img { width: 42%; aspect-ratio: auto; min-height: 100%; }
.founders .person .info { flex: 1; padding: 30px 30px 32px; }
.advisors .person .info { padding: 20px 20px 24px; }
.advisors .person h3 { font-size: 1.05rem; }
.advisors .person .creds { font-size: 0.9rem; margin-top: 8px; }

/* Founders teaser on home */
.mini-team { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 32px; }
.mini { display: flex; gap: 18px; align-items: center; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 18px; }
.mini img { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; flex: none; }
.mini strong { display: block; color: #fff; font-size: 1.08rem; }
.mini span { color: var(--on-dark-muted); font-size: 0.92rem; }

/* Newsletter */
.newsletter { padding: 104px 0; border-top: 1px solid rgba(255,255,255,.07); }
.newsletter .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; position: relative; }
.newsletter p.lede { margin-top: 18px; color: var(--on-dark-muted); max-width: 44ch; }
.sub-card { background: rgba(10,26,47,.55); border: 1px solid rgba(116,184,242,.2); border-radius: 22px; padding: 34px; box-shadow: 0 30px 70px -30px rgba(0,0,0,.6); }
.sub-card h3 { font-size: 1.3rem; }
.sub-card p { color: var(--on-dark-muted); margin: 10px 0 24px; font-size: 0.98rem; }
.sub-card .btn { width: 100%; }
.sub-card small { display: block; text-align: center; margin-top: 14px; color: var(--on-dark-muted); font-size: 0.8rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; }
.contact-aside h3 { color: var(--navy); margin-bottom: 8px; font-size: 1.05rem; }
.contact-aside .item + .item { margin-top: 28px; }
.contact-aside p { color: var(--muted); }
.contact-aside a { color: var(--brand); font-weight: 600; text-decoration: none; }
.contact-aside a:hover { text-decoration: underline; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 36px; box-shadow: 0 24px 60px -40px rgba(10,26,47,.35); }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--navy); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--text); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 12px; padding: 13px 15px; width: 100%;
  transition: border-color .2s, background .2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); background: #fff; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; }
.form-status { margin-top: 14px; font-size: 0.95rem; min-height: 1.4em; }
.form-status.ok { color: #1f8a5e; }
.form-status.err { color: #c43c3c; }
.form-card .fine { font-size: 0.8rem; color: var(--muted); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--on-dark-muted); padding: 64px 0 40px; font-size: 0.9rem; }
.site-footer .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.site-footer .top img { height: 40px; width: auto; }
.site-footer nav { display: flex; gap: 26px; flex-wrap: wrap; }
.site-footer nav a { text-decoration: none; color: var(--on-dark); }
.site-footer nav a:hover { color: #fff; }
.site-footer .legal { padding-top: 28px; max-width: 96ch; }
.site-footer .legal p + p { margin-top: 14px; }

/* ---------- Signup modal ---------- */
.modal { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.open { display: flex; }
.modal .scrim { position: absolute; inset: 0; background: rgba(6,14,26,.72); backdrop-filter: blur(4px); }
.modal .panel {
  position: relative; width: 100%; max-width: 480px; background: #fff; color: var(--text);
  border-radius: 22px; padding: 36px 34px 30px; box-shadow: 0 40px 100px -20px rgba(0,0,0,.6);
  max-height: calc(100vh - 40px); max-height: calc(100dvh - 40px); overflow-y: auto;
  animation: rise .28s ease-out;
}
@keyframes rise { from { transform: translateY(14px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal .close { position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--paper); cursor: pointer; font-size: 1.3rem; line-height: 1; color: var(--muted); }
.modal .close:hover { background: var(--line); }
.modal h2 { font-size: 1.7rem; color: var(--navy); }
.modal .sub { color: var(--muted); margin: 8px 0 24px; }
.modal .progress { display: flex; gap: 6px; margin-bottom: 22px; }
.modal .progress i { flex: 1; height: 4px; border-radius: 4px; background: var(--line); }
.modal .progress i.on { background: var(--ember); }
.choices { display: grid; gap: 10px; margin-bottom: 20px; }
.choice { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 12px; cursor: pointer; font-weight: 600; transition: border-color .2s, background .2s; }
.choice:hover { border-color: var(--sky); }
.choice input { accent-color: var(--brand); width: 18px; height: 18px; }
.choice:has(input:checked) { border-color: var(--brand); background: rgba(116,184,242,.08); }
.modal .btn { width: 100%; }
.modal .back { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; margin-top: 12px; width: 100%; padding: 8px; }
.modal .done { text-align: center; padding: 10px 0; }
.modal .done .badge { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center; background: rgba(31,157,107,.12); color: #1f9d6b; font-size: 1.8rem; font-weight: 800; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .people.advisors { grid-template-columns: repeat(2, 1fr); }
  .founders .person { flex-direction: column; }
  .founders .person img { width: 100%; aspect-ratio: 1 / 1; }
  .roadmap { grid-template-columns: 1fr; gap: 0; }
  .roadmap::before { left: 7px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--sky), var(--ember)); }
  .milestone { padding: 0 0 30px 40px; }
  .milestone::before { top: 4px; left: 0; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .menu-btn { display: block; }
  .site-header .header-cta { display: none; }
  .nav {
    position: fixed; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); padding: 8px 16px 24px; border-bottom: 1px solid rgba(255,255,255,.08);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s;
  }
  .menu-open .nav { opacity: 1; transform: none; visibility: visible; }
  .nav a { padding: 16px 4px; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 1.05rem; }
  .nav a[aria-current="page"] { border-color: rgba(255,255,255,.08); color: var(--sky); }
  .nav .btn { margin-top: 18px; border-bottom: 0; }
  .hero { padding: 56px 0 72px; }
  .hero .wrap, .split, .newsletter .wrap, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 320px; width: 100%; margin: 0 auto; padding: 24px; }
  .compare { min-width: 600px; }
  .modal .panel { padding: 30px 20px 24px; }
  section.block, .newsletter { padding: 72px 0; }
  .page-hero { padding: 60px 0 56px; }
  .stats, .steps, .features, .mini-team, .people.founders { grid-template-columns: 1fr; }
  .row-2 { grid-template-columns: 1fr; gap: 0; }
  .form-card, .sub-card { padding: 26px 20px; }
  .model-frame { height: 560px; }
  .site-footer .top { flex-direction: column; }
}
@media (min-width: 861px) { .nav .btn-mobile { display: none; } }
@media (max-width: 520px) {
  .people.advisors { grid-template-columns: 1fr 1fr; gap: 14px; }
  .advisors .person .info { padding: 14px 14px 18px; }
  .advisors .person h3 { font-size: 0.95rem; }
  .advisors .person .creds { font-size: 0.82rem; }
  .compare th, .compare td { padding: 14px 10px; font-size: 0.88rem; }
  .brand img { height: 40px; }
}