/* ============================================================
   ELFADILY GEOCONSEIL — Design System
   ============================================================ */
:root {
  --bg: #070d1f;
  --bg-alt: #0a1228;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.09);
  --text: #e9eefc;
  --muted: #9aa9cc;
  --cyan: #45b8e5;
  --cyan-bright: #5ecdf5;
  --blue: #2563eb;
  --navy: #1e3565;
  --gradient: linear-gradient(120deg, #5ecdf5 0%, #45b8e5 35%, #6d8dfb 100%);
  --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --nav-h: 76px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(69, 184, 229, 0.35); }

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

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.01em; }

.gradient-text {
  background: var(--gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer { to { background-position: 200% center; } }

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.section-title { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 700; margin-bottom: 16px; }
.section-sub { color: var(--muted); font-size: 1.06rem; max-width: 620px; margin: 0 auto; }
.section-head { text-align: center; margin-bottom: 60px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 600;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  background-size: 160% auto;
  color: #06122a;
  box-shadow: 0 10px 30px -8px rgba(69, 184, 229, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); background-position: 90% center; box-shadow: 0 16px 38px -8px rgba(69, 184, 229, 0.7); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(94, 205, 245, 0.5); background: rgba(94, 205, 245, 0.08); }
.btn-sm { padding: 10px 22px; font-size: 0.9rem; }
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
.navbar.scrolled {
  background: rgba(7, 13, 31, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px -10px rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  width: min(1240px, 94%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo img { height: 52px; width: auto; }
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  display: block;
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.nav-links a.active { color: var(--cyan-bright); background: rgba(94, 205, 245, 0.1); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(1100px 520px at 50% -10%, rgba(37, 99, 235, 0.22), transparent 65%),
    radial-gradient(900px 500px at 85% 110%, rgba(69, 184, 229, 0.1), transparent 60%),
    var(--bg);
}
#topoCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
#topoCanvas.webgl { opacity: 0.85; }
.hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 50% 45%, transparent 35%, var(--bg) 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(900px, 92%);
  padding: calc(var(--nav-h) + 40px) 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid rgba(94, 205, 245, 0.3);
  background: rgba(94, 205, 245, 0.07);
  backdrop-filter: blur(8px);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--cyan-bright);
  margin-bottom: 30px;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero-title {
  font-size: clamp(2.4rem, 6.4vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-title > span { display: block; }
.hero-rotator { min-height: 1.2em; }
.hero-sub {
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  max-width: 640px;
  margin: 26px auto 38px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-chips { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 46px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(8px);
  font-size: 0.88rem;
  color: var(--muted);
  transition: transform 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.chip:hover { transform: translateY(-3px); border-color: rgba(94, 205, 245, 0.45); color: var(--text); }

.scroll-hint { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 2; opacity: 0.65; }
.mouse {
  display: block;
  width: 26px; height: 42px;
  border: 2px solid var(--muted);
  border-radius: 14px;
  position: relative;
}
.wheel {
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 4px;
  background: var(--cyan);
  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- Stats ---------- */
.stats { padding: 26px 0; border-block: 1px solid rgba(255, 255, 255, 0.06); background: var(--bg-alt); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat { text-align: center; padding: 22px 10px; }
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.stat-plus { font-size: 0.6em; vertical-align: 0.25em; }
.stat-label { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }

/* ---------- Sections / Cards ---------- */
.section { padding: 110px 0; position: relative; }
.section-alt {
  background:
    radial-gradient(800px 400px at 12% 0%, rgba(37, 99, 235, 0.09), transparent 60%),
    var(--bg-alt);
  border-block: 1px solid rgba(255, 255, 255, 0.05);
}

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 34px 30px;
  backdrop-filter: blur(6px);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(94, 205, 245, 0.1), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-6px); border-color: rgba(94, 205, 245, 0.35); box-shadow: var(--shadow-lg); }

.card-ico {
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(94, 205, 245, 0.16), rgba(109, 141, 251, 0.12));
  border: 1px solid rgba(94, 205, 245, 0.28);
  color: var(--cyan-bright);
  margin-bottom: 22px;
  font-size: 1.4rem;
}
.card-ico svg { width: 28px; height: 28px; }
.card-ico.sm { width: 46px; height: 46px; border-radius: 12px; margin-bottom: 0; flex: none; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card h3 { font-size: 1.22rem; margin-bottom: 12px; }
.service-card > p { color: var(--muted); font-size: 0.95rem; margin-bottom: 18px; }
.service-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 7px;
  opacity: 0.85;
}
.service-list li::before { content: "▸"; position: absolute; left: 4px; color: var(--cyan); }

/* ---------- Expertise ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.expertise-text p { color: var(--muted); margin-bottom: 18px; font-size: 1.02rem; }
.expertise-text strong { color: var(--text); }
.badges-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-top: 28px; }
.badge-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 16px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  font-size: 0.93rem;
  font-weight: 600;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.badge-item:hover { transform: translateY(-3px); border-color: rgba(94, 205, 245, 0.4); }
.badge-item span { font-size: 1.15rem; }

.founder-card { text-align: center; padding: 44px 34px; }
.founder-avatar {
  width: 92px; height: 92px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: #06122a;
  background: var(--gradient);
  box-shadow: 0 14px 36px -8px rgba(69, 184, 229, 0.55);
}
.founder-card h3 { font-size: 1.35rem; }
.founder-role { color: var(--cyan-bright); font-size: 0.9rem; font-weight: 600; margin-top: 6px; }
.founder-divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), transparent); margin: 24px 0; }
.founder-creds { text-align: left; }
.founder-creds li { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 0.9rem; margin-bottom: 13px; }
.cred-ico { flex: none; }

/* ---------- Projects ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.project-card:hover { transform: translateY(-7px); border-color: rgba(94, 205, 245, 0.4); box-shadow: var(--shadow-lg); }
.project-visual { position: relative; height: 190px; overflow: hidden; background: #14437c; }
.project-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover .project-visual img { transform: scale(1.08); }
.project-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(7, 13, 31, 0.78);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 0.78rem;
  font-weight: 600;
  color: #ffffff;
}
.project-body { padding: 26px 26px 28px; }
.project-body h3 { font-size: 1.12rem; margin-bottom: 10px; }
.project-body p { color: var(--muted); font-size: 0.92rem; margin-bottom: 18px; }
.project-meta { display: flex; justify-content: space-between; gap: 10px; font-size: 0.83rem; color: var(--cyan-bright); flex-wrap: wrap; }

/* ---------- Process ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.process-step {
  position: relative;
  padding: 30px 24px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  transition: transform 0.35s ease, border-color 0.35s ease;
}
.process-step:hover { transform: translateY(-6px); border-color: rgba(94, 205, 245, 0.4); }
.step-num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  opacity: 0.9;
  margin-bottom: 18px;
}
.process-step h3 { font-size: 1.08rem; margin-bottom: 10px; }
.process-step p { color: var(--muted); font-size: 0.9rem; }

/* ---------- Références clients ---------- */
.clients-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; }
.client-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  width: 205px;
  height: 106px;
  display: grid;
  place-items: center;
  padding: 16px 22px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.client-card img {
  max-height: 64px;
  max-width: 156px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(1) opacity(0.65);
  transition: filter 0.35s ease;
}
.client-card:hover { transform: translateY(-4px); border-color: rgba(14, 143, 204, 0.45); box-shadow: var(--shadow-lg); }
.client-card:hover img { filter: none; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  padding: 130px 0;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(7, 13, 31, 0.86), rgba(7, 13, 31, 0.55) 55%, rgba(7, 13, 31, 0.88)),
    url("assets/cta-surveyor.jpg") center 65% / cover no-repeat;
  border-block: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.cta-inner h2 { font-size: clamp(1.8rem, 3.8vw, 2.7rem); margin-bottom: 18px; }
.cta-inner p { color: var(--muted); max-width: 640px; margin: 0 auto 36px; font-size: 1.04rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 28px; align-items: start; }
.contact-form h3 { font-size: 1.3rem; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.86rem; font-weight: 600; margin-bottom: 7px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.94rem;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.form-group select option { background: var(--bg-alt); color: var(--text); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(154, 169, 204, 0.55); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: rgba(94, 205, 245, 0.6);
  box-shadow: 0 0 0 4px rgba(94, 205, 245, 0.12);
  background: rgba(255, 255, 255, 0.07);
}
.form-note { margin-top: 14px; font-size: 0.82rem; color: var(--muted); text-align: center; }

.contact-info { display: grid; gap: 16px; }
.info-card { display: flex; gap: 18px; align-items: center; padding: 22px 24px; }
.info-card h4 { font-size: 0.95rem; margin-bottom: 3px; }
.info-card p { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }

/* ---------- Footer ---------- */
.footer { background: #050a18; border-top: 1px solid rgba(255, 255, 255, 0.06); padding-top: 70px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 44px;
  padding-bottom: 54px;
}
.footer-logo { height: 64px; width: auto; margin-bottom: 18px; }
.footer-brand p { color: var(--muted); font-size: 0.92rem; max-width: 300px; }
.footer-certs { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.footer-certs span {
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(94, 205, 245, 0.08);
  border: 1px solid rgba(94, 205, 245, 0.25);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan-bright);
}
.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 18px;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--muted); font-size: 0.92rem; transition: color 0.25s, padding-left 0.25s; }
.footer-col a:hover { color: var(--cyan-bright); padding-left: 4px; }
.footer-contact li { color: var(--muted); font-size: 0.9rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.06); padding: 22px 0; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.84rem;
}

/* ---------- Floating elements ---------- */
.wa-float {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 90;
  width: 58px; height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 12px 30px -6px rgba(37, 211, 102, 0.5);
  transition: transform 0.3s ease;
  animation: floaty 3.4s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.1); }
@keyframes floaty { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }

.back-top {
  position: fixed;
  right: 27px; bottom: 96px;
  z-index: 90;
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--panel-border);
  color: var(--text);
  cursor: pointer;
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s, border-color 0.3s;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { border-color: var(--cyan); color: var(--cyan-bright); }

/* ---------- Light theme sections (hybrid layout) ---------- */
.theme-light {
  --panel: #ffffff;
  --panel-border: rgba(18, 38, 90, 0.1);
  --text: #0f1f40;
  --muted: #51648c;
  --cyan: #0e8fcc;
  --cyan-bright: #0b7fb8;
  --gradient: linear-gradient(120deg, #1d4ed8 0%, #0e8fcc 55%, #0ea5e9 100%);
  --shadow-lg: 0 22px 50px -18px rgba(15, 35, 90, 0.2);
  background: #f6f9fe;
  color: var(--text);
}
.theme-light.section-alt {
  background:
    radial-gradient(800px 400px at 12% 0%, rgba(37, 99, 235, 0.06), transparent 60%),
    #edf3fb;
  border-block: 1px solid rgba(15, 35, 90, 0.07);
}
.theme-light.stats { background: #ffffff; border-block: 1px solid rgba(15, 35, 90, 0.08); }
.theme-light .card { backdrop-filter: none; }
.theme-light .card::before {
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(14, 143, 204, 0.07), transparent 45%);
}
.theme-light .card:hover,
.theme-light .project-card:hover,
.theme-light .process-step:hover,
.theme-light .badge-item:hover { border-color: rgba(14, 143, 204, 0.45); }
.theme-light .card-ico {
  background: linear-gradient(135deg, rgba(14, 143, 204, 0.1), rgba(37, 99, 235, 0.07));
  border-color: rgba(14, 143, 204, 0.3);
  color: #0e8fcc;
}
.theme-light .badge-item { background: #ffffff; }
.theme-light .founder-divider { background: linear-gradient(90deg, transparent, rgba(15, 35, 90, 0.15), transparent); }
.theme-light .founder-avatar { color: #ffffff; }
.theme-light .btn-primary { color: #ffffff; box-shadow: 0 10px 28px -8px rgba(29, 78, 216, 0.45); }
.theme-light .btn-primary:hover { box-shadow: 0 16px 36px -8px rgba(29, 78, 216, 0.55); }
.theme-light .form-group input,
.theme-light .form-group select,
.theme-light .form-group textarea { background: #f2f6fc; }
.theme-light .form-group input::placeholder,
.theme-light .form-group textarea::placeholder { color: rgba(81, 100, 140, 0.6); }
.theme-light .form-group input:focus,
.theme-light .form-group select:focus,
.theme-light .form-group textarea:focus {
  border-color: rgba(14, 143, 204, 0.55);
  box-shadow: 0 0 0 4px rgba(14, 143, 204, 0.12);
  background: #ffffff;
}
.theme-light .form-group select option { background: #ffffff; }
.theme-light ::selection { background: rgba(14, 143, 204, 0.22); }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.1s; }
.reveal.d2 { transition-delay: 0.2s; }
.reveal.d3 { transition-delay: 0.3s; }
.reveal.d4 { transition-delay: 0.42s; }
.reveal.d5 { transition-delay: 0.55s; }

/* word rotator */
#rotatorWord { display: inline-block; transition: opacity 0.45s ease, transform 0.45s ease; }
#rotatorWord.swap { opacity: 0; transform: translateY(14px); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid, .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    background: #0a1124;
    padding: 18px 6%;
    gap: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links a { padding: 13px 16px; font-size: 1rem; }
  .nav-burger { display: flex; }
  .nav-actions .btn { display: none; }
  .navbar { background: rgba(7, 13, 31, 0.82); backdrop-filter: blur(16px); }

  .section { padding: 80px 0; }
  .client-card { width: calc(50% - 7px); }
  .clients-grid { gap: 14px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band { padding: 84px 0; }
}

@media (max-width: 540px) {
  .services-grid, .projects-grid, .process-grid, .badges-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-chips { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; }
  .hero-cta { flex-direction: column; }
  .scroll-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}