/* ============================================================
   NEOQIT — Design system (premium, sobre, éditorial)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=Inter:wght@300;400;500&display=swap');

:root {
  --color-bg:        #FAFAF8;
  --color-surface:   #F3F2EE;
  --color-navy:      #0F2240;
  --color-navy-mid:  #1B3A5C;
  --color-text:      #111111;
  --color-muted:     #6B6B6B;
  --color-border:    #E2E0DA;
  --color-gold:      #C9A96E;
  --color-electric:  #2563EB;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  --container: 1200px;
  --nav-h: 80px;
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h3, h4 {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* ============ UTILITIES ============ */
.accent {
  color: var(--color-electric);
  position: relative;
  display: inline-block;
  font-style: italic;
}
.accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.04em;
  height: 2px;
  background: var(--color-electric);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s var(--ease) 0.4s;
}
.hero-title.visible .accent::after,
.visible .accent::after { transform: scaleX(1); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-sm { padding: 10px 22px; font-size: 11.5px; }
.btn-block { width: 100%; padding: 16px 26px; }

.btn-primary {
  background: var(--color-navy);
  color: #fff;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-electric);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease);
  z-index: -1;
}
.btn-primary:hover::after { transform: translateX(0); }

.btn-ghost {
  border: 1px solid var(--color-navy);
  color: var(--color-navy);
  background: transparent;
}
.btn-ghost:hover { background: var(--color-navy); color: #fff; }

/* ============ HEADER ============ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease;
}
.header.scrolled { box-shadow: 0 1px 0 var(--color-border); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
}
.logo-mark {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--color-navy);
  color: #fff;
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-text {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  position: relative;
  padding-bottom: 4px;
}
.logo-text::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px;
  height: 1px;
  background: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 38px;
  font-size: 13px;
}
.nav-links a {
  color: var(--color-muted);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--color-electric);
  transition: width 0.35s var(--ease);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:not(.btn):hover::after { width: 100%; }
.nav-links .btn { color: #fff; }
.nav-links .btn:hover { color: #fff; }

.burger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
}
.burger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--color-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  padding: calc(var(--nav-h) + 140px) 0 160px;
  background: var(--color-bg);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.hero-bg { display: none; }
.hero-inner {
  max-width: 820px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 0;
  background: transparent;
  border: 0;
  margin-bottom: 40px;
  position: relative;
}
.badge::before {
  content: "— ";
  color: var(--color-gold);
}
.badge::after {
  content: " —";
  color: var(--color-gold);
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(48px, 8vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: 36px;
}
.hero-title br { display: none; }

.hero-inner::before {
  /* decorative line not possible without HTML — we add to hero-title */
}

.hero-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto 48px;
  position: relative;
  padding-top: 36px;
}
.hero-sub::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: var(--color-gold);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 100px;
}

.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 40px 0 0;
  border-top: 1px solid var(--color-border);
}
.hero-strip > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 24px;
  border-left: 1px solid var(--color-border);
  text-align: center;
}
.hero-strip > div:first-child { border-left: 0; }
.hero-strip strong {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--color-text);
  letter-spacing: 0;
}
.hero-strip span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ============ SECTIONS ============ */
.section {
  padding: 140px 0;
  background: var(--color-bg);
}
.section-alt { background: var(--color-surface); }

.section-head {
  max-width: 720px;
  margin: 0 auto 90px;
  text-align: center;
  position: relative;
}
/* Large ghost section numbers */
.section { position: relative; overflow: hidden; }
.section .section-head::before {
  position: absolute;
  left: 50%;
  top: -80px;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(120px, 16vw, 200px);
  line-height: 1;
  color: var(--color-navy);
  opacity: 0.045;
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 0;
}
#promesse .section-head::before  { content: "01"; }
#services .section-head::before  { content: "02"; }
#expertise .section-head::before { content: "03"; }
#contact .section-head::before   { content: "04"; }
.section-head > * { position: relative; z-index: 1; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-electric);
  margin-bottom: 28px;
  position: relative;
  padding-bottom: 20px;
}
.eyebrow::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 32px;
  height: 1px;
  background: var(--color-gold);
}
.section-head h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: 24px;
}
.section-head h2::first-line { font-style: normal; }
.lead {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ============ PROMESSE / PILLARS ============ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.pillar {
  padding: 56px 40px;
  background: transparent;
  border-left: 1px solid var(--color-border);
  text-align: left;
  transition: background 0.3s ease;
}
.pillar:first-child { border-left: 0; }
.pillar:hover { background: rgba(255, 255, 255, 0.5); }
.pillar h3 {
  font-size: 13px;
  margin-bottom: 18px;
  color: var(--color-text);
}
.pillar p {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}

.icon {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  margin-bottom: 28px;
  background: transparent;
  border: 0;
  border-radius: 0;
}
.icon svg {
  width: 26px; height: 26px;
  stroke-width: 1.3;
}

/* ============ SERVICES ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service {
  padding: 40px 32px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  border-top: 2px solid transparent;
  position: relative;
  transition: transform 0.35s var(--ease),
              border-color 0.25s ease,
              border-top-color 0.25s ease,
              box-shadow 0.35s var(--ease);
}
.service::after { display: none; }
.service:hover {
  border-color: var(--color-navy);
  border-top: 2px solid var(--color-electric);
  transform: translateY(-6px);
  box-shadow: 0 14px 34px rgba(15, 34, 64, 0.08);
}
.service:hover .icon { color: var(--color-electric); }
.service .icon { transition: color 0.25s ease; }
.service h3 {
  font-size: 13px;
  margin-bottom: 14px;
  color: var(--color-text);
}
.service p {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.75;
}
.service .icon { margin-bottom: 24px; }

/* ============ POURQUOI (dark navy) ============ */
#pourquoi {
  background: var(--color-navy);
  padding: 140px 0;
}
#pourquoi .why-text .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}
#pourquoi .why-text .eyebrow::after { background: var(--color-gold); }
#pourquoi h2 {
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 500;
}
.why {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.why-text h2 {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.12;
  margin-bottom: 28px;
}
.why-text > p {
  font-family: var(--font-sans);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 36px;
  font-size: 16px;
  line-height: 1.85;
}
.checklist { list-style: none; margin-bottom: 44px; }
.checklist li {
  position: relative;
  padding: 16px 0 16px 32px;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
}
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 24px;
  width: 16px;
  height: 1px;
  background: var(--color-gold);
  border-radius: 0;
  border: 0;
}
.checklist li::after { display: none; }

#pourquoi .btn-primary {
  background: var(--color-gold);
  color: var(--color-navy);
}
#pourquoi .btn-primary:hover { background: #D8B982; }

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.stat {
  padding: 48px 32px;
  background: var(--color-navy);
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-align: left;
  transition: background 0.25s ease;
}
.stat:hover {
  background: #13294B;
  box-shadow: none;
}
.stat strong {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 68px;
  line-height: 1;
  color: var(--color-gold);
  margin-bottom: 14px;
  letter-spacing: -0.025em;
}
.stat:first-child strong { color: #5B8CF5; }
.stat span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}

/* ============ EXPERTISE ============ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.exp {
  padding: 48px 32px;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
  transition: background 0.3s ease;
}
.exp:first-child { border-left: 0; }
.exp:hover { background: rgba(255, 255, 255, 0.5); transform: none; box-shadow: none; }
.exp h3 {
  font-size: 12px;
  margin-bottom: 14px;
  color: var(--color-text);
}
.exp p {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14.5px;
  color: var(--color-muted);
  line-height: 1.75;
}

/* ============ CONTACT ============ */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 90px;
  align-items: start;
}
.contact-text h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.12;
  margin-bottom: 24px;
  color: var(--color-text);
  text-transform: none;
  letter-spacing: -0.02em;
}
.contact-text .eyebrow { margin-bottom: 28px; }
.contact-text .eyebrow::after { left: 0; transform: none; }
.contact-text > .lead { text-align: left; margin: 0; }

.contact-list {
  list-style: none;
  margin-top: 44px;
  display: grid;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 15px;
}
.contact-list svg {
  width: 16px; height: 16px;
  color: var(--color-navy);
  stroke-width: 1.4;
  flex-shrink: 0;
}
.contact-list a {
  color: var(--color-text);
  transition: color 0.2s ease;
}
.contact-list a:hover { color: var(--color-navy); }

.contact-form {
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  display: grid;
  gap: 32px;
}
.contact-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.contact-form input,
.contact-form textarea {
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  border-radius: 0;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  transition: border-color 0.25s ease;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--color-navy);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #B5B5B5; }
.contact-form .btn-block { margin-top: 12px; }
.form-note {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--color-navy);
  min-height: 20px;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--color-text);
  border-top: 0;
  padding: 100px 0 32px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 13px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 70px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.footer a {
  display: block;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  transition: color 0.2s ease;
}
.footer a:hover { color: #fff; }
.footer .logo {
  margin-bottom: 20px;
  color: #fff;
}
.footer .logo-text { color: #fff; }
.footer .logo-text::after { background: var(--color-gold); }
.footer .logo-mark {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.muted {
  color: rgba(255, 255, 255, 0.5);
  max-width: 320px;
  font-size: 13px;
  line-height: 1.75;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 0;
  border-top: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

/* ============ FLOATING CTA ============ */
.floating-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: var(--color-navy);
  color: #fff;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(15, 34, 64, 0.18);
  transition: background 0.25s ease;
}
.floating-cta:hover { background: var(--color-navy-mid); }
.floating-cta svg { width: 15px; height: 15px; color: var(--color-gold); stroke-width: 1.6; }

/* ============ HERO ASIDE (open-ended note) ============ */
.hero-aside {
  font-family: var(--font-sans);
  font-weight: 300;
  font-style: italic;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 520px;
  margin: -28px auto 48px;
}

/* ============ SERVICES EXTRA (open-ended block) ============ */
.services-extra {
  margin-top: 48px;
  padding: 56px 64px;
  background: var(--color-navy);
  color: #fff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.services-extra-text { max-width: 680px; }
.services-extra h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-transform: none;
  color: #fff;
  margin-bottom: 12px;
}
.services-extra p {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}
.services-extra .btn-primary {
  background: #fff;
  color: var(--color-navy);
  flex-shrink: 0;
}
.services-extra .btn-primary::after { background: var(--color-electric); }
.services-extra .btn-primary:hover { color: #fff; }

@media (max-width: 720px) {
  .services-extra {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 28px;
    gap: 28px;
  }
}

/* ============ FIELD HINT ============ */
.field-hint {
  display: block;
  margin-top: 6px;
  font-family: var(--font-sans);
  font-weight: 300;
  font-style: italic;
  font-size: 12.5px;
  letter-spacing: 0;
  text-transform: none;
  color: #9A9A9A;
}

/* ============ REVEAL ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.services-grid .reveal:nth-child(2),
.expertise-grid .reveal:nth-child(2),
.pillars .reveal:nth-child(2) { transition-delay: 0.08s; }
.services-grid .reveal:nth-child(3),
.expertise-grid .reveal:nth-child(3),
.pillars .reveal:nth-child(3) { transition-delay: 0.16s; }
.services-grid .reveal:nth-child(4),
.expertise-grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.services-grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.services-grid .reveal:nth-child(6) { transition-delay: 0.40s; }
.services-grid .reveal:nth-child(7) { transition-delay: 0.14s; }
.services-grid .reveal:nth-child(8) { transition-delay: 0.22s; }
.services-grid .reveal:nth-child(9) { transition-delay: 0.30s; }

/* Scroll progress bar */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-electric);
  z-index: 9999;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); border: 0; }
  .exp { border-left: 1px solid var(--color-border); border-top: 1px solid var(--color-border); }
  .exp:nth-child(odd) { border-left: 0; }
  .exp:nth-child(-n+2) { border-top: 0; }
  .pillars { grid-template-columns: 1fr; border-left: 0; border-right: 0; }
  .pillar { border-left: 0; border-top: 1px solid var(--color-border); }
  .pillar:first-child { border-top: 0; }
  .why, .contact { grid-template-columns: 1fr; gap: 50px; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .hero-strip { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
  .hero-strip > div { border-left: 0; }
  .section { padding: 100px 0; }
  .hero { padding: calc(var(--nav-h) + 100px) 0 120px; }
}

@media (max-width: 720px) {
  .container { padding: 0 24px; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px 24px 32px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
  .nav-links .btn { margin-top: 16px; align-self: flex-start; }
  .burger { display: flex; }

  .section { padding: 80px 0; }
  .hero { padding: calc(var(--nav-h) + 70px) 0 90px; }
  .services-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }
  .exp { border-left: 0; border-top: 1px solid var(--color-border); }
  .exp:first-child { border-top: 0; }
  .stats { grid-template-columns: 1fr; }
  .contact-form .row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-strip { grid-template-columns: 1fr 1fr; gap: 24px 0; padding-top: 32px; }
  .floating-cta span { display: none; }
  .floating-cta { padding: 14px; bottom: 20px; right: 20px; }
  .section-head { margin-bottom: 60px; }
  .hero-ctas { margin-bottom: 70px; }
}
