/* ===================================================
   鳳應会｜北海道オンラインクリニック — Shared Styles
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;600;700&display=swap');

/* --- Custom Properties --- */
:root {
  --color-primary:     #1A3A6B;
  --color-secondary:   #2B7A78;
  --color-accent:      #17A589;
  --color-accent-light:#E8F8F5;
  --color-bg:          #F7F9FC;
  --color-white:       #FFFFFF;
  --color-text:        #1A202C;
  --color-text-muted:  #64748B;
  --color-border:      #E2E8F0;
  --color-hero-bg:     #0B1F3A;
  --color-warning-bg:  #FFF1EE;
  --color-warning-bd:  #D95F3B;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);

  --max-w: 1080px;
  --nav-h: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(11, 31, 58, .96);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 24px;
}
.nav__inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav__logo-sub {
  font-size: .65rem;
  color: #94A3B8;
  letter-spacing: .08em;
}
.nav__logo-main {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  white-space: nowrap;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__links a {
  font-size: .85rem;
  font-weight: 500;
  color: #CBD5E1;
  letter-spacing: .04em;
  transition: color .2s;
  white-space: nowrap;
}
.nav__links a:hover,
.nav__links a.active { color: #5BB8B4; }
.nav__cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 9px 20px;
  border-radius: 50px;
  font-size: .85rem !important;
  font-weight: 700 !important;
  transition: background .2s, transform .15s !important;
  white-space: nowrap;
}
.nav__cta:hover { background: #149478 !important; transform: translateY(-1px); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all .25s;
}
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(11, 31, 58, .97);
  padding: 24px;
  flex-direction: column;
  gap: 20px;
  z-index: 99;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  color: #CBD5E1;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav__mobile .nav__cta {
  text-align: center;
  margin-top: 8px;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--color-hero-bg);
}
/* Photo placeholder — replace background-image URL with actual Hokkaido landscape photo */
.hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(
      to bottom,
      rgba(11, 31, 58, .55) 0%,
      rgba(11, 31, 58, .40) 40%,
      rgba(11, 31, 58, .72) 100%
    ),
    linear-gradient(
      160deg,
      #0B3D5A 0%,
      #1A5E5B 30%,
      #2E8B60 55%,
      #1A5E5B 75%,
      #0D2B42 100%
    );
  /* Replace with: url('../images/hokkaido-hero.jpg') center/cover no-repeat */
  background-size: cover;
  background-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(11,31,58,.5) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 0 24px;
  padding-top: var(--nav-h);
  padding-bottom: 80px;
}
.hero__eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: #5BB8B4;
  text-transform: uppercase;
  margin-top: 1em;
  margin-bottom: 20px;
  padding: 6px 18px;
  border: 1px solid rgba(91,184,180,.4);
  border-radius: 50px;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.hero__title em {
  font-style: normal;
  color: #7DD3D0;
}
.hero__sub {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: #CBD5E1;
  margin-bottom: 40px;
  line-height: 1.9;
}
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 44px;
}
.hero__badge {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--color-white);
  font-size: .82rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 50px;
  backdrop-filter: blur(6px);
}
.hero__badge .icon { margin-right: 6px; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
  border: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(23,165,137,.4);
}
.btn--primary:hover { background: #149478; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(23,165,137,.5); }
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,.5);
}
.btn--outline:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn--sm { padding: 10px 22px; font-size: .85rem; }
.btn--dark {
  background: var(--color-primary);
  color: var(--color-white);
}

/* --- Section base --- */
.section {
  padding: 96px 24px;
}
.section--alt { background: var(--color-white); }
.section--dark {
  background: var(--color-primary);
  color: var(--color-white);
}
.section--accent { background: var(--color-accent-light); }
.container {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section__label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section--dark .section__label { color: #7DD3D0; }
.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--color-text);
}
.section--dark .section__title { color: var(--color-white); }
.section__lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.9;
}
.section--dark .section__lead { color: #94A3B8; }
.section__header { margin-bottom: 56px; }
.section__header--center { text-align: center; }
.section__header--center .section__lead { margin: 0 auto; }

/* --- Feature Cards --- */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.card__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}
.card__body {
  font-size: .9rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* --- Feature List (self-pay highlights) --- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.feature-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.feature-item__text strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text);
}
.feature-item__text span {
  font-size: .85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Mission Split --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split--reverse .split__img { order: 2; }
.split--reverse .split__content { order: 1; }
.split__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.split__img-placeholder {
  width: 100%;
  padding-top: 66.66%;
  position: relative;
  background: linear-gradient(135deg, #1A5E5B 0%, #2E8B60 50%, #0B3D5A 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.split__img-placeholder::after {
  content: '北海道の写真\Aをここに配置';
  white-space: pre;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  text-align: center;
}
/* Slideshow */
.slideshow {
  position: relative;
  width: 100%;
  padding-top: 66.66%;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.slideshow .slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
}
.slideshow .slide.active {
  opacity: 1;
}

/* --- Doctor Cards --- */
.doctor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.doctor-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.doctor-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(91,184,180,.25);
  border: 2px solid rgba(91,184,180,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.doctor-card__role {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: #7DD3D0;
  margin-bottom: 4px;
}
.doctor-card__name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}
.doctor-card__name-kana {
  font-size: .8rem;
  color: #94A3B8;
}
.doctor-card__certs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.doctor-card__cert {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: #94A3B8;
}
.doctor-card__cert::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}
.doctor-card__body {
  font-size: .88rem;
  color: #94A3B8;
  line-height: 1.9;
}

/* --- Warning Box --- */
.warning-box {
  background: var(--color-warning-bg);
  border: 1.5px solid var(--color-warning-bd);
  border-radius: var(--radius-md);
  padding: 32px 36px;
}
.warning-box__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: #92400E;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.warning-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.warning-list li {
  font-size: .88rem;
  color: #78350F;
  padding-left: 18px;
  position: relative;
  line-height: 1.7;
}
.warning-list li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: #D95F3B;
}

/* --- Steps / Flow --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
}
.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-accent-light);
}
.step__title {
  font-weight: 700;
  font-size: .92rem;
  color: var(--color-primary);
}
.step__body {
  font-size: .82rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}
.cta-banner__title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-banner__sub {
  font-size: .95rem;
  color: #94A3B8;
  margin-bottom: 36px;
}
.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.cta-banner__actions .btn,
.hero__actions .btn {
  width: 100%;
  max-width: 280px;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 64px;
  padding-left: 24px;
  padding-right: 24px;
  background: linear-gradient(135deg, var(--color-hero-bg) 0%, #1A3A6B 100%);
  text-align: center;
  color: var(--color-white);
}
.page-hero__label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #7DD3D0;
  margin-bottom: 12px;
}
.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.page-hero__sub {
  font-size: 1rem;
  color: #94A3B8;
}

/* --- Table --- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: .9rem;
}
th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  padding: 14px 20px;
  text-align: left;
  white-space: nowrap;
}
td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  line-height: 1.7;
}
tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: var(--color-bg); }

/* --- Accordion / FAQ --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-sans);
  text-align: left;
  transition: background .2s;
}
.faq-question:hover { background: var(--color-bg); }
.faq-question__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-accent);
  transition: transform .25s;
}
.faq-item.open .faq-question__icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-item.open .faq-answer { max-height: 600px; }
.faq-answer__inner {
  padding: 0 28px 24px;
  font-size: .9rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

/* --- Contact Form --- */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}
.form-label .required {
  color: #EF4444;
  margin-left: 6px;
  font-size: .78rem;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(23,165,137,.12);
  background: var(--color-white);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* --- Footer --- */
.footer {
  background: #080F1C;
  color: #64748B;
  padding: 64px 24px 32px;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 32px;
}
.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
}
.footer__brand-sub {
  font-size: .78rem;
  color: #475569;
  margin-bottom: 16px;
}
.footer__brand-desc {
  font-size: .82rem;
  line-height: 1.85;
  color: #475569;
}
.footer__col-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #94A3B8;
  margin-bottom: 16px;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: .85rem;
  color: #475569;
  transition: color .2s;
}
.footer__links a:hover { color: #7DD3D0; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copy {
  font-size: .78rem;
  color: #334155;
}
.footer__note {
  font-size: .72rem;
  color: #334155;
  max-width: 400px;
  line-height: 1.6;
  text-align: right;
}

/* --- Badges / Tags --- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.tag--teal { background: transparent; color: var(--color-accent); border: 1.5px solid rgba(23,165,137,.5); }
.tag--navy { background: #EFF2F7; color: var(--color-primary); }
.tag--orange { background: #FEF3C7; color: #B45309; }

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 48px 0;
}

/* --- Scroll indicator --- */
.hero__scroll {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: .72rem;
  letter-spacing: .1em;
  animation: bounce 2s infinite;
}
.hero__scroll svg { opacity: .5; }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* --- Credentials grid --- */
.cred-label { color: #94A3B8 !important; }
.cred-desc  { color: #94A3B8 !important; }

@media (max-width: 640px) {
  .cred-card { padding: 12px 8px !important; }
  .cred-label { font-size: .6rem !important; margin-bottom: 4px !important; }
  .cred-title { font-size: .82rem !important; margin-bottom: 4px !important; }
  .cred-desc  { font-size: .65rem !important; line-height: 1.5 !important; }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .cards-3 { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .split__img { order: 0; }
  .split--reverse .split__content { order: 0; }
  .doctor-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --nav-h: 60px; }
  .section { padding: 64px 16px; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__note { text-align: left; }
  .cta-banner { padding: 40px 24px; }
  .contact-form { padding: 32px 20px; }
  .steps { grid-template-columns: 1fr; }
  .warning-box { padding: 24px 20px; }
}