/* Akesan — site stylesheet */

:root {
  --navy: #1F3864;
  --navy-deep: #16294a;
  --navy-soft: #2c4a7c;
  --ink: #1b1f27;
  --body: #3d4椒;
  --body-text: #414a58;
  --muted: #6b7683;
  --line: #e2e6ec;
  --sand: #f7f5f1;
  --sand-deep: #efece5;
  --white: #ffffff;
  --radius: 4px;
  --wrap: 1140px;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--body-text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--navy); }

.skip {
  position: absolute; left: -9999px;
}
.skip:focus {
  left: 12px; top: 12px; z-index: 100;
  background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 3px;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 76px; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 50%;
  object-fit: cover; object-position: center;
}
.brand-name {
  font-size: 1.4rem; font-weight: 700; letter-spacing: .01em;
  color: var(--navy);
}
.site-nav { display: flex; gap: 30px; }
.site-nav a {
  text-decoration: none; color: var(--ink);
  font-size: .95rem; font-weight: 600;
  letter-spacing: .02em; padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a.active { color: var(--navy); border-bottom-color: var(--navy); }

.nav-toggle, .nav-toggle-label { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 560px; display: flex; align-items: center; overflow: hidden; background: var(--navy-deep); }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(15,28,52,.92) 0%, rgba(15,28,52,.78) 45%, rgba(15,28,52,.42) 100%);
}
.hero-copy { position: relative; z-index: 2; padding-top: 90px; padding-bottom: 90px; max-width: 780px; margin-left: 0; }
.hero-copy h1 {
  color: #fff; font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.16; margin: 12px 0 20px; letter-spacing: -.015em;
}
.hero-copy .lede { color: #dfe5ef; font-size: 1.1rem; max-width: 640px; margin: 0 0 32px; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .16em;
  font-size: .74rem; font-weight: 700; color: var(--navy-soft); margin: 0;
}
.hero .eyebrow { color: #9db4d8; }

/* ---------- Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-block; padding: 14px 28px; text-decoration: none;
  font-size: .92rem; font-weight: 700; letter-spacing: .03em;
  border-radius: var(--radius); border: 2px solid transparent;
  transition: background .18s, color .18s, border-color .18s;
}
.btn-primary { background: #fff; color: var(--navy); }
.btn-primary:hover { background: #e8ecf4; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: #e8ecf4; }

/* ---------- Fact strip ---------- */
.strip { background: var(--sand); border-bottom: 1px solid var(--line); }
.strip-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; padding: 30px 24px;
}
.strip-item { padding: 0 24px; border-left: 1px solid var(--line); }
.strip-item:first-child { border-left: 0; padding-left: 0; }
.strip-item strong { display: block; color: var(--navy); font-size: 1rem; }
.strip-item span { font-size: .88rem; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--sand); }
h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.05rem); line-height: 1.22;
  color: var(--navy); margin: 12px 0 16px; letter-spacing: -.01em; max-width: 760px;
}
h3 { color: var(--ink); font-size: 1.08rem; margin: 0 0 10px; line-height: 1.35; }
.section-lede { max-width: 680px; margin: 0 0 44px; color: var(--muted); font-size: 1.03rem; }
.section > .wrap > h2 + .section-lede { margin-top: 0; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  padding: 30px 28px; border-radius: var(--radius);
}
.card p { margin: 0; font-size: .96rem; }
.card em { font-style: italic; }

.feature { border-left: 3px solid var(--navy); padding-left: 22px; }
.feature p { margin: 0; font-size: .97rem; }

.more { margin: 34px 0 0; }
.text-link { font-weight: 700; text-decoration: none; border-bottom: 2px solid currentColor; padding-bottom: 2px; }

.chip-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 12px;
}
.chip-list li {
  background: var(--sand-deep); border: 1px solid var(--line);
  padding: 10px 20px; border-radius: 100px;
  font-size: .92rem; font-weight: 600; color: var(--ink);
}

/* ---------- Spec table ---------- */
.spec-table { width: 100%; border-collapse: collapse; margin: 0 0 12px; font-size: .95rem; }
.spec-table caption { text-align: left; font-weight: 700; color: var(--navy); padding-bottom: 12px; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table thead th { background: var(--navy); color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.spec-table tbody tr:nth-child(even) { background: var(--sand); }
.table-note { font-size: .86rem; color: var(--muted); margin: 0 0 40px; }

/* ---------- CTA ---------- */
.cta { background: var(--navy); color: #fff; padding: 64px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { color: #fff; margin: 0 0 8px; font-size: clamp(1.3rem, 2.2vw, 1.75rem); }
.cta p { margin: 0; color: #c9d6ea; }

/* ---------- Page header (interior pages) ---------- */
.page-head { background: var(--navy); color: #fff; padding: 66px 0 58px; }
.page-head h1 { margin: 10px 0 12px; font-size: clamp(1.7rem, 3.2vw, 2.5rem); letter-spacing: -.015em; color: #fff; }
.page-head .eyebrow { color: #9db4d8; }
.page-head p { margin: 0; color: #ccd8ec; max-width: 660px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: start; }
.info-block { border-top: 1px solid var(--line); padding-top: 22px; margin-bottom: 28px; }
.info-block h3 { margin-bottom: 8px; }
.info-block p { margin: 0; font-size: .97rem; }
.info-block a { text-decoration: none; font-weight: 600; }

form .field { margin-bottom: 20px; }
form label { display: block; font-size: .84rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--navy); margin-bottom: 7px; }
form input, form select, form textarea {
  width: 100%; padding: 13px 14px; font-family: var(--font);
  font-size: .97rem; color: var(--ink);
  border: 1px solid #ccd3dd; border-radius: var(--radius); background: #fff;
}
form input:focus, form select:focus, form textarea:focus {
  outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(31,56,100,.12);
}
form textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: #c3cddd; padding: 62px 0 0; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr .8fr; gap: 40px; padding-bottom: 48px; }
.footer-brand { font-size: 1.25rem; font-weight: 700; color: #fff; margin: 0 0 12px; }
.footer-note { margin: 0; color: #9fadc4; max-width: 300px; }
.footer-head { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: #8296b4; margin: 0 0 12px; }
.site-footer p { margin: 0; }
.site-footer a { color: #dfe6f1; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-base { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; padding-bottom: 26px; }
.footer-base p { margin: 0; font-size: .86rem; color: #8296b4; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .strip-item:nth-child(3) { border-left: 0; padding-left: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-toggle-label {
    display: block; width: 40px; height: 34px; cursor: pointer;
    padding: 8px 6px; position: relative;
  }
  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block; height: 2px; width: 26px; background: var(--navy);
    position: absolute; transition: transform .2s;
  }
  .nav-toggle-label span { top: 16px; }
  .nav-toggle-label span::before { content: ""; top: -8px; }
  .nav-toggle-label span::after { content: ""; top: 8px; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 8px 24px 18px;
  }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .section { padding: 58px 0; }
  .hero { min-height: 0; }
  .hero-copy { padding-top: 68px; padding-bottom: 68px; }
  .strip-inner { grid-template-columns: 1fr; }
  .strip-item { border-left: 0; padding: 0 0 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .spec-table { font-size: .88rem; }
  .spec-table th, .spec-table td { padding: 11px 10px; }
}