/* ============================================================
   Force4 — Stylesheet
   Colors: Navy #172949 · Teal #6CD6D4 · Deep Blue #0B336A
   Fonts: Poppins (headings) · Inter (body)
   ============================================================ */

:root {
  --navy:       #172949;
  --teal:       #6CD6D4;
  --teal-dark:  #55B0AF;
  --deep-blue:  #0B336A;
  --primary:    #526681;
  --neutral:    #E5F4FA;
  --white:      #ffffff;
  --light-bg:   #F7F9FB;
  --text:       #2d2d2d;
  --text-mid:   #526681;
  --border:     rgba(82, 102, 129, 0.14);

  --font-head: 'Poppins', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;

  --radius:    12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.22s ease;
  --shadow:    0 4px 24px rgba(23, 41, 73, 0.08);
  --shadow-lg: 0 12px 48px rgba(23, 41, 73, 0.14);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

/* ---- Layout ---- */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }

.section-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 14px;
}
.section-title    { color: var(--navy); margin-bottom: 18px; }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 580px;
  line-height: 1.75;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary  { background: var(--teal); color: var(--navy); }
.btn-primary:hover { background: #80dedd; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(108,214,212,0.35); }
.btn-outline  { background: transparent; border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-outline:hover  { border-color: var(--teal); color: var(--teal); }
.btn-ghost    { background: transparent; border-color: var(--border); color: var(--primary); }
.btn-ghost:hover    { border-color: var(--navy); color: var(--navy); }
.btn-dark     { background: var(--deep-blue); color: var(--white); }
.btn-dark:hover { background: #0d3e82; transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; font-size: 0.82rem; }


/* =================================================================
   NAV
================================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 24px rgba(23,41,73,0.09); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--navy);
  flex-shrink: 0;
}
.nav-logo span { color: var(--teal-dark); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--teal-dark);
  transition: width var(--transition);
  border-radius: 2px;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}


/* =================================================================
   HERO
================================================================= */
.hero {
  background: var(--navy);
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
}
.hero-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(108,214,212,0.1) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  right: -100px; top: 50%;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(108,214,212,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  padding: 80px 0;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,214,212,0.1);
  border: 1px solid rgba(108,214,212,0.22);
  border-radius: 100px;
  padding: 6px 14px 6px 8px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.hero-badge-dot {
  width: 7px; height: 7px;
  background: var(--teal);
  border-radius: 50%;
  animation: blink 2.4s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}
.hero h1 { color: var(--white); margin-bottom: 22px; font-size: clamp(2.4rem, 4.5vw, 3.4rem); }
.hero h1 em { font-style: normal; color: var(--teal); }
.hero-sub {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  line-height: 1.78;
  max-width: 500px;
  margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-proof {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-proof-stat {
  text-align: center;
  padding: 0 20px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.hero-proof-stat:last-child { border-right: none; }
.hero-proof-stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 3px;
}
.hero-proof-stat span {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-visual svg { width: 100%; max-width: 500px; height: auto; }


/* =================================================================
   TICKER
================================================================= */
.ticker {
  background: var(--light-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
  overflow: hidden;
}
.ticker-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mid);
  text-align: center;
  margin-bottom: 14px;
}
.ticker-wrapper { overflow: hidden; }
.ticker-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: ticker-move 28s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
@keyframes ticker-move {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.ticker-item {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  opacity: 0.6;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.ticker-item:hover { opacity: 1; }
.ticker-dot {
  color: var(--teal);
  opacity: 0.4;
}


/* =================================================================
   SERVICES
================================================================= */
.services { background: var(--white); }
.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 52px;
  gap: 24px;
  flex-wrap: wrap;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
/* 3 across top row */
.service-card:nth-child(1) { grid-column: 1 / 3; }
.service-card:nth-child(2) { grid-column: 3 / 5; }
.service-card:nth-child(3) { grid-column: 5 / 7; }
/* 2 centered on bottom row */
.service-card:nth-child(4) { grid-column: 2 / 4; }
.service-card:nth-child(5) { grid-column: 4 / 6; }

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover { transform: translateY(-4px); border-color: transparent; }
.service-card:hover::after { opacity: 1; }
.service-icon {
  width: 46px; height: 46px;
  background: var(--neutral);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: background var(--transition);
}
.service-card:hover .service-icon { background: rgba(108,214,212,0.15); }
.service-icon svg { width: 22px; height: 22px; color: var(--teal-dark); }
.service-card h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.68;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 18px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--teal-dark);
  transition: gap var(--transition);
}
.service-link:hover { gap: 9px; }


/* =================================================================
   CREDIBILITY ENGINE
================================================================= */
.engine { background: var(--navy); }
.engine .section-eyebrow { color: var(--teal); }
.engine .section-title   { color: var(--white); }
.engine .section-subtitle { color: rgba(255,255,255,0.6); }
.engine-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 32px;
  flex-wrap: wrap;
}
.engine-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  position: relative;
}
.engine-connector {
  position: absolute;
  top: 44px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 1px;
  background: linear-gradient(90deg, rgba(108,214,212,0.5), rgba(108,214,212,0.1));
  z-index: 0;
  pointer-events: none;
}
.engine-step {
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(108,214,212,0.1);
  border-radius: var(--radius);
  padding: 32px 22px 28px;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.engine-step:hover {
  background: rgba(108,214,212,0.07);
  border-color: rgba(108,214,212,0.28);
  transform: translateY(-3px);
}
.engine-num {
  width: 46px; height: 46px;
  background: rgba(11,51,106,0.8);
  border: 2px solid rgba(108,214,212,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--teal);
  margin: 0 auto 18px;
}
.engine-step h3 {
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 10px;
}
.engine-step p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.48);
  line-height: 1.65;
  margin-bottom: 16px;
}
.engine-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: center;
}
.engine-tag {
  background: rgba(108,214,212,0.08);
  border: 1px solid rgba(108,214,212,0.18);
  border-radius: 100px;
  padding: 3px 9px;
  font-size: 0.7rem;
  color: var(--teal);
  font-weight: 500;
}


/* =================================================================
   STATS
================================================================= */
.stats { background: var(--neutral); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  margin-top: 56px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num sup { font-size: 60%; color: var(--teal-dark); vertical-align: super; }
.stat-num sub { font-size: 55%; color: var(--teal-dark); }
.stat-label { font-size: 0.875rem; color: var(--text-mid); line-height: 1.45; }
.stat-context {
  font-size: 0.72rem;
  color: var(--primary);
  opacity: 0.55;
  margin-top: 4px;
}


/* =================================================================
   CASE STUDIES
================================================================= */
.cases { background: var(--white); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 52px;
}
.case-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.case-header {
  background: var(--navy);
  padding: 26px 26px 22px;
  position: relative;
}
.case-category {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(108,214,212,0.1);
  border: 1px solid rgba(108,214,212,0.2);
  border-radius: 100px;
  padding: 3px 9px;
}
.case-metric {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
}
.case-metric-desc { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-top: 4px; }
.case-body { padding: 22px 26px 26px; flex: 1; display: flex; flex-direction: column; }
.case-company {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.case-desc {
  font-size: 0.86rem;
  color: var(--text-mid);
  line-height: 1.65;
  flex: 1;
}
.case-outcome {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal-dark);
  display: flex;
  align-items: center;
  gap: 7px;
}
.case-outcome::before {
  content: '→';
  font-size: 0.9rem;
}


/* =================================================================
   HOW WE HELP
================================================================= */
.help { background: var(--light-bg); }
.help-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 40px 0 36px;
}
.help-tab {
  padding: 9px 20px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--white);
  font-family: var(--font-head);
  font-size: 0.845rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}
.help-tab:hover { border-color: var(--navy); color: var(--navy); }
.help-tab.active { background: var(--navy); border-color: var(--navy); color: var(--white); }
.help-panel { display: none; }
.help-panel.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.help-panel h3 { font-size: 1.55rem; color: var(--navy); margin-bottom: 14px; }
.help-panel > div > p { color: var(--text-mid); line-height: 1.72; margin-bottom: 24px; font-size: 0.95rem; }
.help-list { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.help-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.55;
}
.check-icon {
  width: 18px; height: 18px; min-width: 18px;
  background: rgba(85,176,175,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.check-icon svg { width: 10px; height: 10px; color: var(--teal-dark); }
.help-visual {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 32px;
}
.help-visual-title {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 22px;
}
.help-metric-row {
  margin-bottom: 14px;
}
.help-metric-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 7px;
}
.help-metric-label span:last-child { color: var(--teal); font-weight: 600; }
.help-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.07);
  border-radius: 100px;
  overflow: hidden;
}
.help-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--teal-dark));
  border-radius: 100px;
  transition: width 0.9s ease 0.2s;
}


/* =================================================================
   TESTIMONIALS
================================================================= */
.testimonials { background: var(--white); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 52px;
}
.testimonial-card {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: var(--transition);
  position: relative;
}
.testimonial-card:hover { box-shadow: var(--shadow); }
.quote-mark {
  font-size: 3.5rem;
  color: var(--neutral);
  font-family: Georgia, serif;
  line-height: 0.8;
  margin-bottom: 12px;
  display: block;
  color: var(--teal-dark);
  opacity: 0.3;
}
.testimonial-text {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text);
  margin-bottom: 22px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deep-blue), var(--teal-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.testimonial-name {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}
.testimonial-title { font-size: 0.77rem; color: var(--text-mid); }


/* =================================================================
   GEO AUDIT CTA
================================================================= */
.geo-cta {
  background: linear-gradient(140deg, var(--navy) 0%, var(--deep-blue) 100%);
  position: relative;
  overflow: hidden;
}
.geo-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(108,214,212,0.07) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  pointer-events: none;
}
.geo-cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}
.geo-cta .section-eyebrow { color: var(--teal); }
.geo-cta h2 { color: var(--white); margin-bottom: 18px; }
.geo-cta > .geo-cta-inner > p { color: rgba(255,255,255,0.6); font-size: 1.05rem; margin-bottom: 34px; line-height: 1.7; }
.geo-features {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.geo-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: rgba(255,255,255,0.65);
}
.geo-check {
  width: 18px; height: 18px;
  background: rgba(108,214,212,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.geo-check svg { width: 10px; height: 10px; color: var(--teal); }


/* =================================================================
   FOOTER
================================================================= */
.footer { background: var(--navy); padding: 64px 0 32px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-name {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-brand-name span { color: var(--teal); }
.footer-brand-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
  max-width: 260px;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--teal); color: var(--navy); }
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.855rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.25); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.78rem; color: rgba(255,255,255,0.25); transition: color var(--transition); }
.footer-legal a:hover { color: var(--teal); }


/* =================================================================
   MOBILE MENU
================================================================= */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 500;
  flex-direction: column;
  padding: 20px 24px 40px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}
.mobile-menu-logo {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}
.mobile-menu-logo span { color: var(--teal); }
.mobile-close {
  background: rgba(255,255,255,0.08);
  border: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-xs);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav-links { list-style: none; }
.mobile-nav-links li { border-bottom: 1px solid rgba(255,255,255,0.07); }
.mobile-nav-links a {
  display: block;
  padding: 16px 0;
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.mobile-nav-links a:hover { color: var(--teal); }
.mobile-cta { margin-top: 32px; }
.mobile-cta .btn { width: 100%; justify-content: center; }


/* =================================================================
   RESPONSIVE
================================================================= */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card:nth-child(1),
  .service-card:nth-child(2),
  .service-card:nth-child(3),
  .service-card:nth-child(4),
  .service-card:nth-child(5) { grid-column: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .engine-flow { grid-template-columns: repeat(2, 1fr); }
  .engine-connector { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; padding: 60px 0 48px; }
  .hero-visual { order: -1; }
  .hero-proof { justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .help-panel.active { grid-template-columns: 1fr; }
  .help-panel .help-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .engine-flow { grid-template-columns: 1fr; }
  .geo-features { flex-direction: column; align-items: flex-start; }
  .services-header { flex-direction: column; align-items: flex-start; }
}