/* ============================================
   THE AI PLAYBOOK — style.css
   Industrial-refined dark aesthetic
   Fonts: Syne (headings) + DM Mono + Instrument Serif
   ============================================ */

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --border: #222222;
  --border-light: #2a2a2a;
  --text: #f0ece4;
  --text-muted: #888880;
  --text-dim: #555550;
  --accent: #c8f060;         /* electric lime */
  --accent-warm: #f0c060;    /* amber */
  --accent-dim: rgba(200, 240, 96, 0.12);
  --font-head: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-serif: 'Instrument Serif', serif;
  --max-w: 1200px;
  --radius: 4px;
  --nav-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ─── CONTAINERS ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav.scrolled { background: rgba(10, 10, 10, 0.98); }

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--accent); }
.logo-bracket { color: var(--accent); }
.logo-dot { color: var(--accent-warm); }

.nav-links {
  list-style: none;
  display: flex; gap: 2.5rem; align-items: center;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 1.5px;
  background: var(--text); transition: all 0.3s;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: var(--nav-h) 2.5rem 0;
  position: relative; overflow: hidden;
  gap: 4rem;
  max-width: var(--max-w); margin: 0 auto;
}

.hero-grid-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(200,240,96,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,240,96,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content { position: relative; z-index: 2; }
.hero-visual { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 3rem; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1.5rem;
}
.tag-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 420px; margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-cta { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: none; cursor: pointer;
  transition: all 0.2s;
  border-radius: var(--radius);
}
.btn-primary:hover {
  background: #d4f575;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(200,240,96,0.25);
}
.btn-ghost {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--text); }
.btn-large { padding: 1rem 2.5rem; font-size: 0.85rem; }
.btn-full { width: 100%; text-align: center; }

/* ─── 3D CUBE ─── */
.cube-wrapper {
  width: 200px; height: 200px;
  perspective: 600px;
}
.cube {
  width: 100%; height: 100%;
  position: relative; transform-style: preserve-3d;
  animation: rotateCube 12s linear infinite;
}
@keyframes rotateCube {
  0%   { transform: rotateX(15deg) rotateY(0deg); }
  100% { transform: rotateX(15deg) rotateY(360deg); }
}
.face {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 800;
  border: 1px solid var(--accent);
  background: rgba(200,240,96,0.04);
  color: var(--accent);
  letter-spacing: 0.1em;
}
.face.front  { transform: translateZ(100px); }
.face.back   { transform: rotateY(180deg) translateZ(100px); }
.face.left   { transform: rotateY(-90deg) translateZ(100px); }
.face.right  { transform: rotateY(90deg) translateZ(100px); }
.face.top    { transform: rotateX(90deg) translateZ(100px); }
.face.bottom { transform: rotateX(-90deg) translateZ(100px); }

.hero-stat-row {
  display: flex; gap: 2rem; justify-content: center;
}
.hero-stat {
  display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
}
.stat-num {
  font-family: var(--font-head); font-size: 1rem; font-weight: 800;
  color: var(--accent-warm); letter-spacing: 0.1em;
}
.stat-label {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* ─── MARQUEE ─── */
.marquee-bar {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  background: var(--surface);
}
.marquee-track {
  display: inline-flex; gap: 2rem; align-items: center;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted);
}
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }
.sep { color: var(--accent); font-size: 0.6rem; }

/* ─── SECTIONS ─── */
.section { padding: 7rem 0; }
.section-label {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}
.section-title em {
  font-family: var(--font-serif); font-style: italic;
  font-weight: 400; color: var(--accent);
}

/* ─── CARDS ─── */
.cards-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5px;
  border: 1.5px solid var(--border);
}
.card {
  padding: 2.5rem;
  border: 1.5px solid var(--border);
  background: var(--surface);
  transition: background 0.3s, border-color 0.3s;
  position: relative; overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s;
}
.card:hover { background: var(--surface-2); border-color: var(--border-light); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  font-size: 1.8rem; color: var(--accent); margin-bottom: 1.2rem;
  display: block;
}
.card h3 {
  font-family: var(--font-head); font-size: 1.15rem; font-weight: 700;
  margin-bottom: 0.75rem; letter-spacing: -0.01em;
}
.card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.8; margin-bottom: 1.5rem; }
.card-link {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--accent); letter-spacing: 0.05em;
  transition: letter-spacing 0.2s;
}
.card-link:hover { letter-spacing: 0.1em; }

/* ─── DIFF STRIP ─── */
.diff-strip { background: var(--surface); padding: 7rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.diff-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.diff-text h2 {
  font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.diff-text h2 em {
  font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--accent);
}
.diff-text p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; line-height: 1.8; }

.diff-item {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.diff-item:first-child { border-top: 1px solid var(--border); }
.di-num {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--accent); letter-spacing: 0.08em;
  min-width: 24px; padding-top: 2px;
}
.di-text { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ─── SECTORS ─── */
.sectors-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.sector-card {
  background: var(--bg); padding: 2.5rem 2rem;
  transition: background 0.3s;
}
.sector-card:hover { background: var(--surface); }
.sector-num {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--accent); letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.sector-name {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 700;
  margin-bottom: 0.75rem;
}
.sector-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; }

/* ─── CTA SECTION ─── */
.cta-section {
  padding: 8rem 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.cta-inner {
  text-align: center; max-width: 600px; margin: 0 auto;
}
.cta-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1.5rem;
}
.cta-inner h2 {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 2.5rem;
}
.cta-inner h2 em {
  font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--accent);
}

/* ─── FOOTER ─── */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer-top {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.footer-brand p { color: var(--text-muted); font-size: 0.82rem; margin-top: 1rem; max-width: 280px; line-height: 1.8; }
.footer-links { display: flex; gap: 4rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col-title {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 0.5rem;
}
.footer-col a { font-size: 0.85rem; color: var(--text-muted); transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-dim); letter-spacing: 0.05em;
}
.footer-tech { color: var(--accent); }

/* ─── PAGE HERO ─── */
.page-hero {
  padding: calc(var(--nav-h) + 5rem) 0 4rem;
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(200,240,96,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,240,96,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-title {
  font-family: var(--font-head); font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 800; line-height: 0.95;
  letter-spacing: -0.03em; margin: 1rem 0 1.5rem;
}
.page-sub {
  font-family: var(--font-mono); font-size: 0.95rem;
  color: var(--text-muted); max-width: 520px; line-height: 1.8;
}

/* ─── SERVICES PAGE ─── */
.service-block { padding: 6rem 0; }
.service-inner {
  display: grid; grid-template-columns: 220px 1fr; gap: 5rem; align-items: start;
}
.service-inner.reverse { direction: ltr; }
.service-meta { padding-top: 0.5rem; }
.service-num {
  font-family: var(--font-head); font-size: 3.5rem; font-weight: 800;
  color: var(--border-light); line-height: 1; margin-bottom: 1rem;
}
.service-tag {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
}
.service-content h2 {
  font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.service-lead { color: var(--text-muted); font-size: 1rem; line-height: 1.8; margin-bottom: 2rem; max-width: 520px; }
.service-features { margin-bottom: 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.sf-item { display: flex; gap: 0.75rem; font-size: 0.83rem; color: var(--text-muted); align-items: flex-start; }
.sf-check { color: var(--accent); font-size: 0.8rem; padding-top: 2px; flex-shrink: 0; }
.service-divider { height: 1px; background: var(--border); margin: 0 2rem; }

/* ─── ABOUT PAGE ─── */
.about-philosophy {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start;
}
.ap-text h2 {
  font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 1.5rem;
}
.ap-text h2 em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--accent); }
.ap-text p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.8; margin-bottom: 1rem; }

.manifesto-block {
  border: 1px solid var(--border); padding: 2.5rem;
  background: var(--surface); position: relative;
}
.manifesto-block::before {
  content: '"';
  position: absolute; top: 1rem; left: 1.5rem;
  font-size: 4rem; color: var(--accent); opacity: 0.3;
  font-family: var(--font-serif); line-height: 1;
}
.mb-line {
  font-family: var(--font-serif); font-size: 1.15rem;
  color: var(--text); line-height: 1.5;
}
.mb-line em { font-style: italic; color: var(--accent); }
.mb-gap { color: var(--text-dim); margin: 0.75rem 0; }

.founder-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.founder-inner {
  display: grid; grid-template-columns: 220px 1fr; gap: 4rem; align-items: start;
}
.founder-avatar {
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  padding-top: 0.5rem;
}
.fa-placeholder {
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--surface-2); border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 800;
  color: var(--accent); letter-spacing: 0.1em;
}
.fa-role { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim); text-align: center; line-height: 1.6; letter-spacing: 0.05em; text-transform: uppercase; }
.founder-bio h2 { font-family: var(--font-head); font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
.founder-title { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); letter-spacing: 0.06em; margin-bottom: 1.5rem; }
.founder-bio p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.8; margin-bottom: 1rem; }
.founder-stack { margin-top: 1.5rem; }
.stack-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.75rem; }
.stack-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.stack-tags span {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.05em;
  border: 1px solid var(--border-light); padding: 0.25rem 0.75rem;
  color: var(--text-muted); background: var(--surface-2);
  transition: border-color 0.2s, color 0.2s;
}
.stack-tags span:hover { border-color: var(--accent); color: var(--accent); }

.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.value-item { padding: 2rem; border: 1px solid var(--border); }
.vi-icon { font-size: 1.5rem; color: var(--accent); margin-bottom: 1rem; }
.value-item h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; }
.value-item p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.7; }

/* ─── CONTACT PAGE ─── */
.contact-inner {
  display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 5rem; align-items: start;
}
.contact-form-wrap h2 { font-family: var(--font-head); font-size: 2rem; font-weight: 800; margin-bottom: 2rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font-mono); font-size: 0.88rem;
  padding: 0.85rem 1rem; border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none; resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200,240,96,0.08);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group select option { background: var(--surface-2); }
.form-notice { font-size: 0.72rem; color: var(--text-dim); font-family: var(--font-mono); }

.form-success { text-align: center; padding: 4rem 2rem; }
.success-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 1rem; }
.form-success h3 { font-family: var(--font-head); font-size: 1.5rem; margin-bottom: 0.75rem; }
.form-success p { color: var(--text-muted); font-size: 0.88rem; }

.contact-info { padding-top: 4.5rem; }
.ci-block { margin-bottom: 1.5rem; }
.ci-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.35rem; }
.ci-value { font-size: 0.9rem; color: var(--text); }
.ci-value a { color: var(--accent); }
.ci-value a:hover { text-decoration: underline; }
.ci-divider { height: 1px; background: var(--border); margin: 2rem 0; }
.ci-tagline p { color: var(--text-dim); font-size: 0.8rem; line-height: 1.7; }
.mono-small { font-family: var(--font-mono); }
.ci-services-quick { margin-top: 2rem; }
.ci-services-quick .ci-label { margin-bottom: 0.75rem; }
.cq-link {
  display: block; font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-muted); padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.2s;
}
.cq-link:hover { color: var(--accent); padding-left: 0.5rem; }

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 3rem); gap: 3rem; }
  .hero-visual { display: none; }
  .cards-grid { grid-template-columns: 1fr; }
  .diff-inner { grid-template-columns: 1fr; gap: 3rem; }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .about-philosophy { grid-template-columns: 1fr; }
  .founder-inner { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .contact-info { padding-top: 0; }
  .service-inner { grid-template-columns: 1fr; gap: 2rem; }
  .service-features { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { gap: 2rem; }
}

@media (max-width: 640px) {
  .nav { padding: 0 1.5rem; }
  .nav-links {
    display: none; flex-direction: column; gap: 0;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(10,10,10,0.98); border-bottom: 1px solid var(--border);
    padding: 1rem 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li a {
    display: block; padding: 1rem 2rem;
    font-size: 0.9rem; border-bottom: 1px solid var(--border);
  }
  .nav-links a::after { display: none; }
  .nav-toggle { display: flex; }

  .container { padding: 0 1.25rem; }
  .hero { padding: calc(var(--nav-h) + 2rem) 1.25rem 2rem; }
  .section { padding: 4rem 0; }
  .page-hero { padding: calc(var(--nav-h) + 3rem) 0 3rem; }
  .sectors-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .service-block { padding: 4rem 0; }
}

/* ─── ANIMATIONS ─── */
.card { opacity: 0; transform: translateY(20px); }
.card.visible { animation: fadeUp 0.6s ease forwards; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.service-block { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.service-block.visible { opacity: 1; transform: translateY(0); }

.diff-item { opacity: 0; transform: translateX(-12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.diff-item.visible { opacity: 1; transform: translateX(0); }