:root {
  --navy: #0b3558;
  --navy-deep: #082640;
  --blue: #1b78b3;
  --green: #2e8b3f;
  --green-dark: #1f6b2e;
  --mint: #e8f4ea;
  --ink: #12283a;
  --muted: #5b6f80;
  --bg: #f4f8fb;
  --white: #ffffff;
  --line: #dbe5ed;
  --shadow: 0 18px 50px rgba(11, 53, 88, 0.12);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.text-center { text-align: center; }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.header-container { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo-img { height: 54px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 0.93rem; font-weight: 600; }
.nav > a:not(.btn) { color: #3b556b; transition: color 0.2s; }
.nav > a:not(.btn):hover { color: var(--green); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 12px; width: 44px; height: 44px; cursor: pointer; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after {
  display: block; width: 20px; height: 2px; background: var(--navy); margin: auto; position: relative; content: "";
}
.menu-btn span::before { position: absolute; top: -6px; left: 0; }
.menu-btn span::after { position: absolute; top: 6px; left: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 50px; padding: 0 26px;
  border: 1px solid transparent; border-radius: 999px;
  font: inherit; font-weight: 700; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--green); box-shadow: 0 10px 25px rgba(46, 139, 63, 0.28); }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary { color: var(--white); border-color: rgba(255, 255, 255, 0.5); background: rgba(255, 255, 255, 0.08); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.16); }
.btn-sm { min-height: 42px; padding-inline: 20px; }
.btn-block { width: 100%; border: 0; }
.btn[disabled] { opacity: 0.7; cursor: wait; transform: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  background:
    linear-gradient(95deg, rgba(8, 38, 64, 0.94) 0%, rgba(8, 38, 64, 0.78) 42%, rgba(8, 38, 64, 0.25) 100%),
    url("/img/hero.webp") center 62% / cover no-repeat,
    var(--navy-deep);
  color: var(--white);
}
.hero-overlay { display: none; }
.hero-content { padding-block: 150px 110px; }
.eyebrow { display: inline-block; margin-bottom: 18px; padding: 6px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: #cfe6f5; }
.hero-title { max-width: 860px; margin: 0 0 24px; font-size: clamp(2.6rem, 6.4vw, 5.4rem); line-height: 1.02; letter-spacing: -0.05em; font-weight: 800; text-shadow: 0 2px 30px rgba(0, 0, 0, 0.25); }
.hero-title span { color: #8fd49a; }
.hero-subtitle { max-width: 640px; margin: 0 0 36px; color: rgba(255, 255, 255, 0.82); font-size: clamp(1.05rem, 2vw, 1.28rem); }
.hero-cta-group { display: flex; flex-wrap: wrap; gap: 14px; }
.trust-strip { position: relative; z-index: 1; border-top: 1px solid rgba(255, 255, 255, 0.14); background: rgba(8, 38, 64, 0.72); backdrop-filter: blur(8px); }
.trust-strip ul { list-style: none; margin: 0; padding: 18px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; font-size: 0.92rem; font-weight: 600; color: #dcecf7; }
.trust-strip li { display: flex; align-items: center; gap: 10px; }
.trust-strip svg { width: 22px; height: 22px; flex: none; stroke: #8fd49a; }

/* ---------- numbers band ---------- */
.stats { background: var(--white); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 38px 18px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: clamp(2.2rem, 4.4vw, 3.4rem); line-height: 1; letter-spacing: -0.04em; font-weight: 800; background: linear-gradient(120deg, var(--navy), var(--blue) 55%, var(--green)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { display: block; margin-top: 10px; color: var(--muted); font-size: 0.92rem; font-weight: 600; }

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section-title { margin: 0 0 48px; text-align: center; font-size: clamp(1.9rem, 3.6vw, 2.8rem); line-height: 1.15; letter-spacing: -0.035em; color: var(--navy); }
.section-title::after { content: ""; display: block; width: 54px; height: 4px; margin: 16px auto 0; border-radius: 4px; background: linear-gradient(90deg, var(--blue), var(--green)); }
.why-us, .trust { background: var(--bg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 10px 35px rgba(11, 53, 88, 0.06); }
.feature-card .icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px; background: var(--mint); }
.feature-card .icon svg { width: 28px; height: 28px; stroke: var(--green-dark); }
.feature-card h3 { margin: 0 0 10px; font-size: 1.2rem; color: var(--navy); }
.feature-card p { margin: 0; color: var(--muted); }

/* ---------- product ---------- */
.product-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.product-image { display: grid; gap: 16px; }
.product-image .photo { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow); }
.pack-card { border-radius: 20px; background: linear-gradient(160deg, #eaf3fa, #f6fbf6); border: 1px solid var(--line); padding: 16px 24px; }
.pack-card svg { max-height: 190px; margin-inline: auto; }

/* ---------- about band with photo ---------- */
.about-band { position: relative; isolation: isolate; color: var(--white); background: linear-gradient(rgba(8, 38, 64, 0.84), rgba(8, 38, 64, 0.88)), url("/img/hero.webp") center 40% / cover no-repeat, var(--navy-deep); }
.about-band .section-title { color: var(--white); }
.about-band .about-text { color: #dcecf7; font-size: 1.22rem; }

/* ---------- scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
.product-specs h3 { margin: 0 0 18px; font-size: 1.5rem; color: var(--navy); }
.specs-list { list-style: none; margin: 0 0 24px; padding: 0; }
.specs-list li { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.specs-list strong { color: var(--ink); display: inline-block; min-width: 150px; }
.certifications { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cert-badge { padding: 8px 14px; border-radius: 999px; background: var(--mint); color: var(--green-dark); font-size: 0.85rem; font-weight: 700; border: 1px solid #cfe5d3; }
.certifications small { flex-basis: 100%; margin-top: 6px; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }

/* ---------- journey photos ---------- */
.journey { background: var(--white); }
.journey-card { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--white); border: 1px solid var(--line); box-shadow: 0 10px 35px rgba(11, 53, 88, 0.08); }
.journey-card img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; transition: transform 0.6s ease; }
.journey-card:hover img { transform: scale(1.04); }
.journey-card figcaption { padding: 22px 24px 26px; }
.journey-card h3 { margin: 0 0 8px; color: var(--navy); font-size: 1.15rem; }
.journey-card p { margin: 0; color: var(--muted); }
.journey-card { overflow: hidden; }

/* ---------- process ---------- */
.process { background: var(--navy); color: var(--white); }
.process .section-title { color: var(--white); }
.process-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.step { position: relative; padding: 26px 20px; border-radius: var(--radius); background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.14); }
.step-number { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 14px; background: var(--green); font-weight: 800; }
.step h4 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: #c4d8e8; font-size: 0.93rem; }

/* ---------- logistics ---------- */
.logistics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.logistics-grid > div { padding: 34px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
.logistics-grid h3 { margin: 0 0 14px; color: var(--navy); }
.logistics-grid p { margin: 0 0 10px; color: var(--muted); }
.logistics-grid strong { color: var(--ink); }

/* ---------- about / faq ---------- */
.about-text { max-width: 760px; margin: 0 auto; font-size: 1.12rem; color: #3b556b; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.faq-item { border: 1px solid var(--line); border-radius: 16px; background: var(--white); padding: 4px 22px; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 700; color: var(--navy); display: flex; justify-content: space-between; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--green); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0 0 18px; color: var(--muted); }

/* ---------- contact ---------- */
.contact { background: linear-gradient(180deg, var(--bg), #e9f1f7); }
.contact-wrap { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 32px; align-items: start; }
.contact-side { padding: 36px; border-radius: 22px; background: var(--navy); color: var(--white); }
.contact-side h3 { margin: 0 0 12px; font-size: 1.5rem; }
.contact-side p { color: #c4d8e8; margin: 0 0 18px; }
.contact-side a { color: #8fd49a; font-weight: 700; word-break: break-all; }
.contact-side ul { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; font-size: 0.95rem; color: #dcecf7; }
.contact-side li::before { content: "✓"; color: #8fd49a; font-weight: 800; margin-right: 10px; }
.contact-box { padding: 36px; border-radius: 22px; background: var(--white); box-shadow: var(--shadow); border: 1px solid var(--line); }
.contact-box .section-title { text-align: left; margin-bottom: 8px; font-size: 1.9rem; }
.contact-box .section-title::after { margin-left: 0; }
.contact-subtitle { margin: 0 0 24px; color: var(--muted); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: grid; gap: 6px; }
.full-width { grid-column: 1 / -1; }
label { font-size: 0.88rem; font-weight: 600; color: #3b556b; }
input, textarea { width: 100%; padding: 13px 15px; border: 1px solid #c9d7e2; border-radius: 12px; font: inherit; color: var(--ink); background: #fbfdff; }
input:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(27, 120, 179, 0.15); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { margin: 0; font-size: 0.9rem; border-radius: 12px; padding: 12px 14px; display: none; }
.form-note.ok { display: block; background: var(--mint); color: var(--green-dark); }
.form-note.err { display: block; background: #fdeeee; color: #8a2a2a; }
.form-note a { text-decoration: underline; font-weight: 700; }

/* ---------- footer ---------- */
.footer { background: var(--navy-deep); color: #c4d8e8; padding: 56px 0 26px; }
.footer-content { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer h3 { margin: 0 0 8px; color: var(--white); }
.footer p { margin: 0 0 6px; }
.footer a { color: #8fd49a; font-weight: 600; }
.copyright { margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.12); font-size: 0.86rem; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .section { padding: 72px 0; }
  .grid-3, .logistics-grid, .faq-grid, .product-layout, .contact-wrap { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .hero { background-position: 0 0, 62% 60%, 0 0; }
  .hero-content { padding-block: 110px 80px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .trust-strip ul { grid-template-columns: 1fr 1fr; }
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav > a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav > a.btn { margin-top: 14px; border: 0; }
}
@media (max-width: 560px) {
  .hero-content { padding-block: 80px 50px; }
  .process-steps, .contact-form, .trust-strip ul { grid-template-columns: 1fr; }
  .contact-box, .contact-side, .card { padding: 26px; }
  .specs-list strong { display: block; min-width: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } .js .reveal { opacity: 1; transform: none; transition: none; } }