/* ==========================================================================
   株式会社オープンゲート コーポレートサイト スタイルシート
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  --color-bg-dark: #0e1118;
  --color-bg-dark-alt: #171b24;
  --color-bg-light: #ffffff;
  --color-bg-alt: #f7f7f8;
  --color-bg-canvas: #f5f5f5;

  --color-accent: #d12328;
  --color-accent-dark: #ad1b20;
  --color-accent-tint: rgba(209, 35, 40, 0.1);
  --color-accent-tint-strong: rgba(209, 35, 40, 0.16);

  --color-text: #16181d;
  --color-text-sub: #5a5d64;
  --color-text-faint: #8a8d94;
  --color-border: #e6e6e8;

  --color-text-on-dark: #ffffff;
  --color-text-on-dark-sub: #a7abb4;
  --color-border-on-dark: #262b35;

  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Inter', 'Noto Sans JP', sans-serif;

  --container-w: 1160px;
}

/* --------------------------------------------------------------------------
   2. Reset / Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-jp);
  background: var(--color-bg-light);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { line-height: 1.4; font-weight: 700; }

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

.section { padding: 96px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-bg-dark); color: var(--color-text-on-dark); }
.section--tight { padding: 64px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  border-left: 3px solid var(--color-accent);
  padding-left: 10px;
  margin-bottom: 16px;
}

.section-title { font-size: 34px; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.01em; }
.section-lead { color: var(--color-text-sub); font-size: 15px; max-width: 720px; }
.section--dark .section-lead { color: var(--color-text-on-dark-sub); }

.badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.badge--outline {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  background: #fff;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  padding: 2px 10px;
}

/* --------------------------------------------------------------------------
   3. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: opacity 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn:hover { opacity: 0.85; }

.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-dark); opacity: 1; }

.btn--outline-dark { background: transparent; color: var(--color-text); border-color: var(--color-text); }
.btn--outline-dark:hover { background: var(--color-text); color: #fff; opacity: 1; }

.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn--outline-light:hover { background: #fff; color: var(--color-text); opacity: 1; }

.btn--outline-accent {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
  justify-content: center;
  width: 100%;
}
.btn--outline-accent:hover { background: var(--color-accent); color: #fff; opacity: 1; }

.btn--block { width: 100%; justify-content: center; }

/* --------------------------------------------------------------------------
   4. Header / Nav
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  padding: 0 32px;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border-on-dark);
}

.site-header__brand { display: flex; align-items: center; }
.site-header__logo { height: 38px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 40px; }
.site-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-on-dark);
  padding: 4px 0;
}
.site-nav a:hover,
.site-nav a.is-current { color: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: #fff; transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   5. Hero (Home)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(4,6,10,0.86) 0%, rgba(4,6,10,0.55) 65%, rgba(4,6,10,0.35) 100%), url('../images/hero-home.jpg') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero__inner { position: relative; z-index: 2; padding-top: 100px; padding-bottom: 100px; width: 100%; }
.hero__title { font-size: 46px; font-weight: 700; line-height: 1.35; margin-bottom: 28px; }
.hero__lead { font-size: 15px; line-height: 2; color: rgba(255,255,255,0.85); margin-bottom: 36px; max-width: 560px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__deco {
  position: absolute;
  /* 本文(.container)の右側の余白と揃うように、ビューポート幅に応じて右マージンを算出 */
  right: max(60px, calc((100vw - var(--container-w)) / 2 + 24px));
  bottom: -1px;
  width: 340px;
  z-index: 2;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.hero__deco img { display: block; width: 100%; height: auto; }

/* --------------------------------------------------------------------------
   6. Page Hero (Sub pages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding: 80px 0 56px;
  background: linear-gradient(90deg, rgba(6,8,12,0.92) 0%, rgba(6,8,12,0.78) 55%, rgba(6,8,12,0.55) 100%), url('../images/hero-page.jpg') center/cover no-repeat;
  color: #fff;
}
.page-hero__title { font-size: 34px; font-weight: 700; margin-bottom: 18px; }
.page-hero__lead { color: rgba(255,255,255,0.82); font-size: 14.5px; line-height: 1.9; max-width: 680px; }
.page-hero__lead + .page-hero__lead { margin-top: 4px; }

/* --------------------------------------------------------------------------
   7. About / Intro split section
   -------------------------------------------------------------------------- */
.intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: stretch;
}
.intro__media { position: relative; min-height: 420px; background-size: cover; background-position: center; }
.intro__media::after {
  content: '¥';
  position: absolute;
  right: 24px;
  bottom: 24px;
  font-family: var(--font-en);
  font-size: 64px;
  font-weight: 700;
  color: rgba(255,255,255,0.55);
  text-shadow: 0 1px 8px rgba(0,0,0,0.35);
}
.intro__body { padding: 72px 56px; display: flex; flex-direction: column; justify-content: center; }
.intro__title { font-size: 28px; margin-bottom: 20px; }
.intro__highlight { color: var(--color-accent); font-weight: 700; font-size: 14.5px; line-height: 1.9; margin-bottom: 16px; }
.intro__text { color: var(--color-text-sub); font-size: 14.5px; line-height: 1.9; margin-bottom: 32px; }
.intro__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   8. Service cards
   -------------------------------------------------------------------------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 32px 28px;
}
.service-card__head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.service-card__num { font-family: var(--font-en); font-size: 34px; font-weight: 800; color: var(--color-accent-tint-strong); -webkit-text-stroke: 1px rgba(209,35,40,0.25); }
.service-card__title { font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.service-card__title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.service-card__text { color: var(--color-text-sub); font-size: 13.5px; line-height: 1.85; margin-bottom: 20px; }
.service-card__list { border-top: 1px solid var(--color-border); padding-top: 16px; }
.service-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  color: var(--color-text-sub);
  margin-bottom: 10px;
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 5px; height: 5px;
  background: var(--color-accent);
}

/* --------------------------------------------------------------------------
   9. CTA band
   -------------------------------------------------------------------------- */
.cta-band {
  background: var(--color-bg-dark);
  color: #fff;
  text-align: center;
  padding: 80px 0;
  border-top: 4px solid var(--color-accent);
}
.cta-band__title { font-size: 28px; margin-bottom: 18px; }
.cta-band__lead { color: var(--color-text-on-dark-sub); font-size: 14px; line-height: 1.9; margin-bottom: 32px; }

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.site-footer { background: var(--color-bg-dark); color: var(--color-text-on-dark-sub); padding: 56px 0 0; }
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 40px;
}
.site-footer__brand { display: flex; align-items: center; gap: 18px; }
.site-footer__logo { height: 32px; width: auto; flex-shrink: 0; }
.site-footer__text { display: flex; flex-direction: column; gap: 4px; }
.site-footer__name { font-size: 12.5px; color: var(--color-text-on-dark-sub); }
.site-footer__address { font-size: 12px; color: #6b6f78; }

.site-footer__nav { display: flex; gap: 36px; flex-wrap: wrap; }
.site-footer__nav a {
  font-size: 13px;
  color: var(--color-text-on-dark-sub);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}
.site-footer__nav a:hover { color: #fff; }

.site-footer__bottom {
  border-top: 1px solid var(--color-border-on-dark);
  text-align: center;
  padding: 20px 0;
  font-size: 12px;
  color: #5c6069;
}

/* --------------------------------------------------------------------------
   11. Business page — hero tabs, detail sections, flow, standard
   -------------------------------------------------------------------------- */
.service-tabs {
  display: flex;
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border-on-dark);
}
.service-tabs a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 22px 32px;
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  border-right: 1px solid var(--color-border-on-dark);
}
.service-tabs a:last-child { border-right: none; }
.service-tabs a:hover { color: var(--color-accent); }
.service-tabs .num { color: var(--color-accent); font-family: var(--font-en); font-weight: 800; margin-right: 6px; }

.detail {
  padding: 88px 0;
  border-bottom: 1px solid var(--color-border);
}
.detail--alt { background: var(--color-bg-alt); }
.detail__num { font-family: var(--font-en); font-size: 52px; font-weight: 800; color: #e3e4e6; line-height: 1; }
.detail__num-row { display: flex; align-items: baseline; gap: 16px; margin-bottom: 8px; }
.detail__num-label { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.1em; color: var(--color-text-faint); text-transform: uppercase; }
.detail__title { font-size: 26px; font-weight: 700; margin-bottom: 28px; }

.detail__tag { color: var(--color-accent); font-family: var(--font-en); font-weight: 700; font-size: 12.5px; letter-spacing: 0.05em; margin-bottom: 10px; }
.detail__lead { font-size: 19px; font-weight: 700; line-height: 1.7; margin-bottom: 20px; max-width: 640px; }
.detail__text { color: var(--color-text-sub); font-size: 14.5px; line-height: 1.9; margin-bottom: 20px; max-width: 1440px; }
.detail__highlight { color: var(--color-accent); font-weight: 700; font-size: 14px; line-height: 1.9; margin-bottom: 40px; max-width: 720px; }

.detail__subhead { font-size: 15px; font-weight: 700; margin: 32px 0 16px; padding-left: 12px; border-left: 3px solid var(--color-accent); }

.box-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.box-grid--gap-lg { margin-top: 40px; }
.info-box {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px 26px;
}
.detail--alt .info-box { background: #fff; }
.info-box__title { font-size: 14.5px; font-weight: 700; margin-bottom: 14px; padding-left: 10px; border-left: 3px solid var(--color-accent); }
.info-box__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: 8px;
}
.info-box__list li::before { content: '・'; position: absolute; left: -3px; color: var(--color-accent); }

/* Flow */
.flow-list { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.flow-step {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 20px 28px;
}
.flow-step__num { font-family: var(--font-en); text-align: center; min-width: 56px; }
.flow-step__num small { display: block; font-size: 10px; letter-spacing: 0.1em; color: var(--color-accent); font-weight: 700; }
.flow-step__num b { display: block; font-size: 24px; color: var(--color-accent); font-weight: 800; }
.flow-step__body { flex: 1; }
.flow-step__title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.flow-step__title { font-size: 15px; font-weight: 700; }
.flow-step__tag { font-size: 11px; color: var(--color-text-faint); background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: 999px; padding: 2px 10px; }
.flow-step__text { font-size: 13px; color: var(--color-text-sub); }
.flow-step__arrow { color: var(--color-text-faint); font-size: 18px; }

.flow-step--link {
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.flow-step--link:hover {
  border-color: var(--color-accent);
  box-shadow: 0 6px 18px rgba(209, 35, 40, 0.12);
}
.flow-step--link:hover .flow-step__arrow { color: var(--color-accent); }

/* Our standard */
.standard-band { background: var(--color-bg-dark); color: #fff; text-align: center; padding: 88px 0; }
.standard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 620px; margin: 0 auto 40px; }
.standard-pill {
  border: 1px solid rgba(209,35,40,0.6);
  color: #fff;
  border-radius: 4px;
  padding: 16px;
  font-weight: 700;
  font-size: 14.5px;
}
.standard-band__text { color: var(--color-text-on-dark-sub); font-size: 13.5px; line-height: 2; max-width: 720px; margin: 0 auto; }
.standard-band__text p + p { margin-top: 14px; }

/* --------------------------------------------------------------------------
   12. Company page — values, reed quote, profile table
   -------------------------------------------------------------------------- */
.philosophy-lead { font-size: 14.5px; color: var(--color-text-on-dark-sub); line-height: 1.9; max-width: 720px; margin-bottom: 48px; }

.value-list { display: flex; flex-direction: column; }
.value-item {
  display: flex;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--color-border-on-dark);
}
.value-item:last-child { border-bottom: 1px solid var(--color-border-on-dark); }
.value-item__mark {
  flex-shrink: 0;
  width: 42px; height: 42px;
  background: var(--color-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 18px;
  border-radius: 3px;
}
.value-item__body { flex: 1; min-width: 0; }
.value-item__title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.value-item__text { font-size: 13.5px; color: var(--color-text-on-dark-sub); line-height: 1.85; }

.reed-box {
  margin-top: 48px;
  background: var(--color-bg-dark-alt);
  border: 1px solid var(--color-border-on-dark);
  border-radius: 4px;
  padding: 48px;
  text-align: center;
}
.reed-box__title {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.reed-box__text { font-size: 13.5px; color: var(--color-text-on-dark-sub); line-height: 2; max-width: 680px; margin: 0 auto; }

.profile-table { margin-top: 32px; border-top: 1px solid var(--color-border); }
.profile-table__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.profile-table__row dt { font-weight: 700; color: var(--color-text); }
.profile-table__row dd { color: var(--color-text-sub); line-height: 1.8; }
.profile-table__row dd a { color: var(--color-accent); text-decoration: underline; }

/* --------------------------------------------------------------------------
   13. Contact form
   -------------------------------------------------------------------------- */
.contact-lead { color: var(--color-text-on-dark-sub); font-size: 14px; line-height: 1.9; max-width: 720px; }
.contact-lead + .contact-lead { margin-top: 2px; }
.contact-lead--note { font-size: 12.5px; color: var(--color-text-faint); margin-top: 14px; }

.contact-form-wrap { max-width: 680px; margin: 56px auto 0; position: relative; z-index: 3; }
.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 48px;
  box-shadow: 0 20px 50px rgba(10, 12, 20, 0.08);
}
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form-group { margin-bottom: 26px; }
.form-label { display: flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 700; margin-bottom: 10px; }
.req { font-size: 11px; font-weight: 700; color: #fff; background: var(--color-accent); border-radius: 3px; padding: 2px 8px; }
.opt { font-size: 11px; font-weight: 700; color: var(--color-text-faint); background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: 3px; padding: 2px 8px; }

.form-control {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 13px 16px;
  font-size: 14px;
  background: #fff;
  color: var(--color-text);
}
.form-control::placeholder { color: #b4b6bc; }
.form-control:focus { outline: none; border-color: var(--color-accent); }
textarea.form-control { min-height: 140px; resize: vertical; }

.select-wrap { position: relative; }
.select-wrap::after {
  content: '';
  position: absolute;
  right: 18px; top: 50%;
  width: 8px; height: 8px;
  border-right: 2px solid var(--color-text-faint);
  border-bottom: 2px solid var(--color-text-faint);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}
.select-wrap select { appearance: none; }

.form-agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  margin-bottom: 18px;
}
.form-agree input { margin-top: 3px; accent-color: var(--color-accent); }
.form-agree a { color: var(--color-accent); text-decoration: underline; }
.form-note { font-size: 12px; color: var(--color-text-faint); line-height: 1.8; margin-bottom: 28px; }

.form-error {
  background: var(--color-accent-tint);
  border: 1px solid rgba(209,35,40,0.3);
  color: var(--color-accent-dark);
  border-radius: 4px;
  padding: 14px 18px;
  font-size: 13px;
  margin-bottom: 24px;
}
.form-error ul { margin-top: 6px; padding-left: 18px; list-style: disc; }

/* --------------------------------------------------------------------------
   14. Privacy policy
   -------------------------------------------------------------------------- */
.policy { max-width: 780px; margin: 0 auto; }
.policy__intro { font-size: 14px; color: var(--color-text-sub); line-height: 2; margin-bottom: 48px; }
.policy__block { margin-bottom: 36px; }
.policy__heading { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.policy__text { font-size: 14px; color: var(--color-text-sub); line-height: 1.95; }
.policy__list { margin-top: 10px; }
.policy__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.9;
}
.policy__list li::before { content: '・'; position: absolute; left: 0; color: var(--color-accent); }
.policy__contact { font-size: 14px; color: var(--color-text-sub); line-height: 1.9; margin-top: 8px; }
.policy__dates { font-size: 13px; color: var(--color-text-faint); margin-top: 40px; }

/* --------------------------------------------------------------------------
   15. Simple pages (thanks)
   -------------------------------------------------------------------------- */
.simple-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 96px 24px;
}
.simple-page__title { font-size: 28px; margin-bottom: 18px; }
.simple-page__text { color: var(--color-text-sub); font-size: 14.5px; line-height: 1.9; margin-bottom: 32px; }

/* --------------------------------------------------------------------------
   16. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1023px) {
  .intro { grid-template-columns: 1fr; }
  .intro__media { min-height: 320px; }
  .intro__body { padding: 48px 32px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .box-grid { grid-template-columns: 1fr; }
  .service-tabs { flex-direction: column; }
  .service-tabs a { border-right: none; border-bottom: 1px solid var(--color-border-on-dark); }

  /* デコ画像は幅が狭いと本文と重なるため非表示 */
  .hero__deco { display: none; }
}

@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .site-header { padding: 0 20px; }
  .site-nav {
    position: fixed;
    top: 74px; left: 0; right: 0;
    background: var(--color-bg-dark);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 1px solid var(--color-border-on-dark);
  }
  .site-nav.is-open { max-height: 320px; }
  .site-nav a { width: 100%; padding: 16px 24px; border-bottom: 1px solid var(--color-border-on-dark); }
  .nav-toggle { display: flex; }

  .hero { min-height: auto; }
  .hero__inner { padding-top: 64px; padding-bottom: 64px; }
  .hero__title { font-size: 32px; }

  .page-hero { padding: 56px 0 40px; }
  .page-hero__title { font-size: 26px; }

  .card-grid { grid-template-columns: 1fr; }
  .service-tabs { flex-direction: column; }

  .standard-grid { grid-template-columns: 1fr; }
  .profile-table__row { grid-template-columns: 1fr; gap: 6px; }

  .contact-form { padding: 32px 24px; }
  .contact-form-wrap { margin-top: 40px; }

  .site-footer__inner { flex-direction: column; }
  .site-footer__nav { gap: 20px 28px; }

  .reed-box { padding: 32px 24px; }
}