/* ============================================================
   National Erosion Control — Design System
   Art direction: rugged environmental construction.
   Forest-green primary, clay-brown earth accent, slate neutrals.
   ============================================================ */

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.25rem; --radius-md: 0.5rem;
  --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1240px;

  --font-display: 'Clash Display', 'Arial Narrow', sans-serif;
  --font-body: 'General Sans', 'Inter', system-ui, sans-serif;
}

/* ---------- Light theme ---------- */
:root, [data-theme='light'] {
  --color-bg: #f6f5f1;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaf7;
  --color-surface-offset: #ecebe4;
  --color-surface-dark: #1d2420;   /* deep forest-slate */
  --color-divider: #dddcd3;
  --color-border: #d0cfc4;

  --color-text: #1b211d;
  --color-text-muted: #5c635c;
  --color-text-faint: #9a9f96;
  --color-text-inverse: #f6f5f1;

  /* Primary — Environmental Forest Green */
  --color-primary: #2f6b3c;
  --color-primary-hover: #245530;
  --color-primary-active: #1a3f23;
  --color-primary-soft: #e3ede4;

  /* Earth — Clay Brown (secondary accent) */
  --color-earth: #9a5a2b;
  --color-earth-soft: #efe2d4;

  --shadow-sm: 0 1px 2px rgba(29, 36, 32, 0.08);
  --shadow-md: 0 6px 18px rgba(29, 36, 32, 0.10);
  --shadow-lg: 0 18px 44px rgba(29, 36, 32, 0.16);
}

/* ---------- Dark theme ---------- */
[data-theme='dark'] {
  --color-bg: #141915;
  --color-surface: #1b211c;
  --color-surface-2: #20271f;
  --color-surface-offset: #232b22;
  --color-surface-dark: #0f1411;
  --color-divider: #2b332a;
  --color-border: #364035;

  --color-text: #e4e6df;
  --color-text-muted: #9aa195;
  --color-text-faint: #6a7065;
  --color-text-inverse: #14191f;

  --color-primary: #5fa86d;
  --color-primary-hover: #74bd82;
  --color-primary-active: #8ccf99;
  --color-primary-soft: #1f3424;

  --color-earth: #c08552;
  --color-earth-soft: #2e2519;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.5);
  --shadow-lg: 0 18px 44px rgba(0,0,0,0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141915; --color-surface: #1b211c; --color-surface-2: #20271f;
    --color-surface-offset: #232b22; --color-surface-dark: #0f1411;
    --color-divider: #2b332a; --color-border: #364035;
    --color-text: #e4e6df; --color-text-muted: #9aa195; --color-text-faint: #6a7065;
    --color-text-inverse: #14191f;
    --color-primary: #5fa86d; --color-primary-hover: #74bd82; --color-primary-active: #8ccf99;
    --color-primary-soft: #1f3424; --color-earth: #c08552; --color-earth-soft: #2e2519;
  }
}

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

html {
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh; line-height: 1.6;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.01em; }
p { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; }

::selection { background: var(--color-primary); color: #fff; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

a, button, .card, input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   Layout helpers
   ============================================================ */
.wrap { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }
.wrap-narrow { max-width: var(--content-narrow); }
section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-primary);
}
.eyebrow::before {
  content: ''; width: 1.75rem; height: 2px; background: var(--color-primary); display: inline-block;
}
[data-theme='dark'] .eyebrow { color: var(--color-primary); }

.section-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-2xl); line-height: 1.02; margin-top: var(--space-4);
  text-transform: uppercase; letter-spacing: -0.015em;
}
.section-lead { font-size: var(--text-lg); color: var(--color-text-muted); margin-top: var(--space-5); max-width: 58ch; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-weight: 600; font-size: var(--text-sm); letter-spacing: 0.01em;
  padding: 0.85rem 1.5rem; border-radius: var(--radius-sm); white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { border: 1.5px solid currentColor; color: var(--color-text); }
.btn-ghost:hover { background: var(--color-text); color: var(--color-bg); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--color-surface-dark); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-light { border: 1.5px solid rgba(255,255,255,0.55); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

/* ============================================================
   Header
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px); border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.header.scrolled { border-color: var(--color-divider); box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); height: 4.5rem; }

.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand__mark { color: var(--color-primary); flex-shrink: 0; }
.brand__txt { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; text-transform: uppercase; color: var(--color-text); }
.brand__sub { font-size: 0.64rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-text-muted); margin-top: 3px; }

.nav { display: flex; align-items: center; gap: var(--space-8); }
.nav__links { display: flex; gap: var(--space-6); }
.nav__links a { font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); position: relative; }
.nav__links a:hover { color: var(--color-text); }
.nav__links a::after { content:''; position:absolute; left:0; bottom:-6px; width:0; height:2px; background:var(--color-primary); transition: width var(--transition-interactive); }
.nav__links a:hover::after { width:100%; }

.header__actions { display: flex; align-items: center; gap: var(--space-4); }
.theme-toggle { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border-radius: var(--radius-full); color: var(--color-text-muted); }
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

.menu-btn { display: none; width: 2.75rem; height: 2.75rem; place-items:center; color: var(--color-text); }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,20,17,0.92) 0%, rgba(15,20,17,0.72) 42%, rgba(15,20,17,0.25) 100%);
}
.hero .wrap { padding-block: var(--space-24); position: relative; z-index: 1; }
.hero__inner { max-width: 720px; }
.hero__badge {
  display:inline-flex; align-items:center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.45rem 0.9rem; border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22); color: #fff; backdrop-filter: blur(4px);
}
.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-3xl); line-height: 0.98; text-transform: uppercase;
  margin-top: var(--space-6); letter-spacing: -0.02em;
}
.hero h1 .accent { color: #8fd49d; }
.hero__lead { font-size: var(--text-lg); color: rgba(255,255,255,0.86); margin-top: var(--space-6); max-width: 50ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-8); }
.hero__stats { display: flex; flex-wrap: wrap; gap: var(--space-8) var(--space-12); margin-top: var(--space-16); padding-top: var(--space-8); border-top: 1px solid rgba(255,255,255,0.18); }
.hero__stat .n { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); color: #fff; line-height: 1; }
.hero__stat .l { font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-top: var(--space-2); }

/* ============================================================
   Trust strip
   ============================================================ */
.trust { background: var(--color-surface-dark); color: rgba(255,255,255,0.85); }
.trust .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-6); padding-block: var(--space-6); }
.trust__item { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); font-weight: 500; }
.trust__item svg { color: #8fd49d; flex-shrink: 0; }
.trust { padding-block: 0; }

/* ============================================================
   Value / ICP section
   ============================================================ */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(var(--space-8), 5vw, var(--space-20)); align-items: center; }
.split__media { position: relative; }
.split__media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; }
.media-tag {
  position: absolute; bottom: var(--space-5); left: var(--space-5);
  background: var(--color-surface); color: var(--color-text);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); font-size: var(--text-sm); font-weight: 600;
  display: flex; align-items: center; gap: var(--space-2);
}
.media-tag svg { color: var(--color-primary); }

.icp-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); margin-top: var(--space-8); }
.icp-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-5); }
.icp-card .ico { color: var(--color-primary); margin-bottom: var(--space-3); }
.icp-card h4 { font-size: var(--text-base); font-weight: 600; }
.icp-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }

/* ============================================================
   Services
   ============================================================ */
.services { background: var(--color-surface-2); }
[data-theme='dark'] .services { background: var(--color-surface); }
.services__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-6); }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: var(--space-12); }
.svc-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column;
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.svc-card__img { aspect-ratio: 16/10; overflow: hidden; }
.svc-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.svc-card:hover .svc-card__img img { transform: scale(1.05); }
.svc-card__body { padding: var(--space-6); display: flex; flex-direction: column; flex: 1; }
.svc-card h3 { font-size: var(--text-lg); font-weight: 600; }
.svc-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-3); flex: 1; }
.svc-card__icon-only { padding: var(--space-6); }
.svc-card .ico { color: var(--color-primary); margin-bottom: var(--space-4); }

/* Capabilities list */
.caps { margin-top: var(--space-16); }
.caps__title { font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-6); }
.caps__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.cap {
  display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); font-weight: 500;
  padding: var(--space-4); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
}
.cap svg { color: var(--color-primary); flex-shrink: 0; }

/* ============================================================
   Process
   ============================================================ */
.process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); margin-top: var(--space-12); counter-reset: step; }
.step { position: relative; padding-top: var(--space-8); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl);
  color: var(--color-primary); display: block; margin-bottom: var(--space-3);
}
.step::after { content:''; position:absolute; top: var(--space-1); left: 0; width: 2.5rem; height: 3px; background: var(--color-earth); }
.step h3 { font-size: var(--text-lg); font-weight: 600; }
.step p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-3); }

/* ============================================================
   Compliance / SWPPP band
   ============================================================ */
.band { background: var(--color-surface-dark); color: #fff; position: relative; overflow: hidden; }
.band__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-20)); align-items: center; }
.band h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-2xl); text-transform: uppercase; line-height: 1.02; }
.band p { color: rgba(255,255,255,0.78); margin-top: var(--space-5); font-size: var(--text-lg); }
.band__list { margin-top: var(--space-8); display: grid; gap: var(--space-4); }
.band__list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-base); }
.band__list svg { color: #8fd49d; flex-shrink: 0; margin-top: 3px; }
.band__cta { margin-top: var(--space-10); display:flex; gap: var(--space-4); flex-wrap: wrap; }
.band__card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); border-radius: var(--radius-lg); padding: var(--space-8); }
.band__card h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); text-transform: uppercase; }
.band__card .row { display:flex; justify-content: space-between; padding-block: var(--space-4); border-bottom: 1px solid rgba(255,255,255,0.12); font-size: var(--text-sm); }
.band__card .row:last-child { border-bottom: 0; }
.band__card .row span:first-child { color: rgba(255,255,255,0.65); }
.band__card .row span:last-child { font-weight: 600; }

/* ============================================================
   Service area
   ============================================================ */
.area__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.states { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.state-chip {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg);
  padding: var(--space-3) var(--space-5); border: 1.5px solid var(--color-border); border-radius: var(--radius-full);
  text-transform: uppercase; letter-spacing: 0.02em;
}
.state-chip.primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.area__photo img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; width:100%; }

/* ============================================================
   CTA / Contact
   ============================================================ */
.contact { background: var(--color-primary-soft); }
[data-theme='dark'] .contact { background: var(--color-surface); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: stretch; }
.contact__info h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-2xl); text-transform: uppercase; line-height: 1.02; margin-top: var(--space-4); }
.contact__info p { color: var(--color-text-muted); margin-top: var(--space-5); font-size: var(--text-lg); }
.contact__rows { margin-top: var(--space-10); display: grid; gap: var(--space-5); }
.crow { display: flex; gap: var(--space-4); align-items: flex-start; }
.crow .ico { width: 2.75rem; height: 2.75rem; flex-shrink: 0; display: grid; place-items: center; background: var(--color-surface); border-radius: var(--radius-md); color: var(--color-primary); box-shadow: var(--shadow-sm); }
.crow .k { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); }
.crow .v { font-size: var(--text-base); font-weight: 600; }
.crow a.v:hover { color: var(--color-primary); }

.form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(var(--space-6), 4vw, var(--space-10)); box-shadow: var(--shadow-md); }
.form h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); text-transform: uppercase; }
.form p.sub { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-2); margin-bottom: var(--space-6); }
.field { margin-bottom: var(--space-4); }
.field label { display:block; font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.8rem 0.9rem; background: var(--color-surface-2); color: var(--color-text);
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); font-size: var(--text-sm);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }
.field textarea { resize: vertical; min-height: 110px; }
.form .row2 { display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form .btn-primary { width: 100%; margin-top: var(--space-2); }
.form__note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); text-align: center; }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--color-surface-dark); color: rgba(255,255,255,0.7); padding-block: var(--space-20) var(--space-8); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-10); }
.footer .brand__name, .footer .brand__sub { color: #fff; }
.footer .brand__sub { color: rgba(255,255,255,0.5); }
.footer__about { font-size: var(--text-sm); margin-top: var(--space-5); max-width: 34ch; }
.footer h4 { color: #fff; font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: var(--space-5); }
.footer ul { display: grid; gap: var(--space-3); }
.footer ul a, .footer ul li { font-size: var(--text-sm); }
.footer ul a:hover { color: #fff; }
.footer__bottom { display:flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-16); padding-top: var(--space-6); border-top: 1px solid rgba(255,255,255,0.14); font-size: var(--text-xs); color: rgba(255,255,255,0.5); }
.footer__brand-mark { color: #8fd49d; }

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .caps__grid { grid-template-columns: repeat(2, 1fr); }
  .process__steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-10); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-10); }
}

@media (max-width: 820px) {
  .nav__links, .header__actions .btn { display: none; }
  .menu-btn { display: grid; }
  .split, .band__inner, .area__grid, .contact__grid { grid-template-columns: 1fr; }
  .band__inner { gap: var(--space-12); }
  .split__media { order: -1; }
  .form .row2 { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .svc-grid, .icp-grid, .caps__grid, .process__steps { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero { min-height: 88vh; }
  .hero__stats { gap: var(--space-6) var(--space-8); }
}

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 70; background: var(--color-bg);
  display: flex; flex-direction: column; padding: var(--space-6);
  transform: translateX(100%); transition: transform .35s cubic-bezier(.16,1,.3,1); visibility: hidden;
}
.mobile-menu.open { transform: none; visibility: visible; }
.mobile-menu__head { display:flex; justify-content: space-between; align-items: center; height: 4.5rem; margin-bottom: var(--space-8); }
.mobile-menu nav { display: grid; gap: var(--space-2); }
.mobile-menu nav a { font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); text-transform: uppercase; padding-block: var(--space-3); border-bottom: 1px solid var(--color-divider); }
.mobile-menu .btn-primary { margin-top: var(--space-8); }