/* ========== Variables ========== */
:root {
  --navy: #0b1f3a;
  --navy-2: #13294f;
  --blue: #1d4e89;
  --accent: #f2a33d;
  --accent-dark: #d98a1f;
  --bg-light: #eef4fb;
  --text: #1c2b3a;
  --text-light: #647389;
  --white: #ffffff;
  --border: #e2e8f0;
  --green: #15803d;
  --green-bg: #e1f6e8;
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1, h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: all .25s ease;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn--accent { background: var(--accent); color: var(--navy); }
.btn--accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(242,163,61,0.35); }
.btn--outline { border-color: rgba(255,255,255,0.4); color: #fff; }
.btn--outline:hover { background: rgba(255,255,255,0.08); border-color: #fff; transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: var(--navy); padding: 11px 24px; font-size: 0.9rem; }
.btn--primary:hover { background: var(--accent-dark); }

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navy);
  padding: 18px 0;
  transition: padding .3s ease, box-shadow .3s ease;
}
.header.scrolled { padding: 12px 0; box-shadow: 0 4px 24px rgba(0,0,0,0.2); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.35rem; color: #fff; letter-spacing: 1px; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 30px; }
.nav a { color: #cbd5e1; font-weight: 500; font-size: 0.95rem; transition: color .2s; padding: 6px 0; }
.nav a:hover, .nav a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: #fff; transition: all .3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Hero ========== */
.hero {
  background: linear-gradient(160deg, #0b1f3a 0%, #122a4d 55%, #0d2240 100%);
  color: #fff;
  padding-top: 150px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 1; padding-bottom: 64px; }
.eyebrow {
  color: var(--accent);
  letter-spacing: 4px;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.6rem, 9vw, 5.5rem);
  letter-spacing: 6px;
  color: #fff;
  margin-bottom: 18px;
}
.hero__tagline {
  font-size: clamp(1.05rem, 3vw, 1.5rem);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero__services {
  max-width: 760px;
  margin: 0 auto 40px;
  color: #b8c4d6;
  font-size: 0.95rem;
  line-height: 2;
}
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Stats */
.stats { background: var(--navy-2); }
.stats__grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat {
  padding: 32px 12px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.stat:last-child { border-right: none; }
.stat--alt { background: var(--blue); }
.stat__num {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  color: var(--accent);
  margin-bottom: 4px;
}
.stat__label { font-size: 0.82rem; color: #cbd5e1; }

/* Banner */
.hero__banner {
  background: var(--navy);
  border-top: 3px solid var(--accent);
  text-align: center;
  padding: 18px 0;
}
.hero__banner p {
  color: var(--accent);
  font-style: italic;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

/* ========== Sections ========== */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-light); }
.section--dark { background: var(--navy); color: #fff; }

.section__head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section__tag {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 14px;
}
.section__head h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin-bottom: 16px; }
.section__head--light h2 { color: #fff; }
.section__lead { color: var(--text-light); font-size: 1.05rem; }
.section--dark .section__lead { color: #b8c4d6; }

.subhead {
  font-size: 1.4rem;
  margin: 56px 0 24px;
  text-align: center;
}

/* ========== About ========== */
.about__intro {
  max-width: 800px;
  margin: 0 auto 56px;
  text-align: center;
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 1.02rem;
}

.vision-mission { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 16px; }
.vm-card {
  background: var(--bg-light);
  border-left: 4px solid var(--accent);
  padding: 28px 32px;
  border-radius: 12px;
}
.vm-card h3 { margin-bottom: 10px; }
.vm-card p { color: var(--text-light); }

.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.value-card {
  background: var(--navy);
  color: #fff;
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  border-top: 3px solid var(--accent);
  transition: transform .25s ease;
}
.value-card:hover { transform: translateY(-5px); }
.value-card h4 { color: var(--accent); font-size: 1.1rem; margin-bottom: 8px; }
.value-card p { color: #cbd5e1; font-size: 0.9rem; }

.industries { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.industries span {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 12px;
  text-align: center;
  font-weight: 600;
  color: var(--blue);
  font-size: 0.92rem;
  transition: all .2s ease;
  min-height: 64px;
}
.industries span:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15,35,65,0.08);
}

/* ========== Services ========== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #fff;
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 2px 12px rgba(15,35,65,0.06);
  border: 1px solid var(--border);
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(15,35,65,0.12); }
.service-card__icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.service-card__icon svg { width: 26px; height: 26px; color: var(--accent); }
.service-card__num {
  position: absolute;
  top: 28px; right: 28px;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--bg-light);
}
.service-card h3 { font-size: 1.18rem; margin-bottom: 8px; padding-right: 40px; }
.service-card__tagline { color: var(--blue); font-style: italic; font-weight: 600; margin-bottom: 12px; font-size: 0.95rem; }
.service-card > p:not(.service-card__tagline) { color: var(--text-light); font-size: 0.92rem; margin-bottom: 18px; }
.service-card__deliverables { display: flex; flex-wrap: wrap; gap: 8px; }
.service-card__deliverables span {
  background: var(--bg-light);
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
}

/* ========== How We Work / Timeline ========== */
.timeline { max-width: 860px; margin: 0 auto; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 39px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--border);
}
.timeline__item { display: flex; gap: 28px; margin-bottom: 40px; position: relative; }
.timeline__item:last-child { margin-bottom: 0; }
.timeline__num {
  flex-shrink: 0;
  width: 80px; height: 80px;
  border-radius: 16px;
  background: var(--navy);
  color: var(--accent);
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  z-index: 1;
}
.timeline__content { padding-top: 12px; }
.timeline__content h3 { margin-bottom: 8px; }
.timeline__content p { color: var(--text-light); }

/* ========== Case Studies ========== */
.case-studies { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(15,35,65,0.06);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.case-card__header { background: var(--navy); padding: 24px 28px; border-top: 4px solid var(--accent); }
.case-card__industry { color: var(--accent); font-size: 0.76rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.case-card__header h3 { color: #fff; font-size: 1.12rem; margin-top: 8px; }
.case-card__body { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 24px 28px; flex: 1; }
.case-card__body h4 { color: var(--blue); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.case-card__body p { color: var(--text-light); font-size: 0.92rem; }
.case-card__results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
}
.result { background: var(--green-bg); padding: 20px 10px; text-align: center; }
.result__num { display: block; font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.35rem; color: var(--green); margin-bottom: 4px; }
.result__label { font-size: 0.76rem; color: #44546b; }

/* ========== Contact ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 920px; margin: 0 auto; }
.contact-card {
  background: var(--navy-2);
  border-radius: 14px;
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.08);
}
.contact-card h3 { color: var(--accent); margin-bottom: 22px; }
.contact-card ul { display: flex; flex-direction: column; gap: 14px; margin-bottom: 26px; }
.contact-card li { color: #cbd5e1; }
.contact-card a { color: #fff; font-weight: 600; border-bottom: 1px solid transparent; transition: border-color .2s; }
.contact-card a:hover { border-color: var(--accent); }
.contact-card p { color: #cbd5e1; margin-bottom: 8px; }
.contact-hours { color: var(--accent) !important; font-weight: 600; margin-top: 16px; }

/* ========== Footer ========== */
.footer { background: #081729; color: #94a3b8; padding-top: 56px; }
.footer__inner { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer__brand p { margin-top: 12px; color: var(--accent); font-style: italic; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { transition: color .2s; }
.footer__links a:hover { color: #fff; }
.footer__contact p { margin-bottom: 8px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; text-align: center; font-size: 0.85rem; }
.footer__services-list { margin-top: 8px; color: #54637a; }

/* ========== Back to top ========== */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .3s ease;
  z-index: 999;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-dark); transform: translateY(-4px); }

/* ========== Reveal animation ========== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .case-studies { grid-template-columns: 1fr; }
  .case-card__body { grid-template-columns: 1fr; }
  .values { grid-template-columns: repeat(2, 1fr); }
  .industries { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    transform: translateY(-150%);
    opacity: 0;
    transition: transform .3s ease, opacity .3s ease;
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
  }
  .nav.open { transform: translateY(0); opacity: 1; }
  .nav-toggle { display: flex; }
  .header__cta { display: none; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 1px solid rgba(255,255,255,0.08); }
  .stat:nth-child(2n) { border-right: none; }

  .vision-mission { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr 1fr; }
  .industries { grid-template-columns: 1fr 1fr; }

  .timeline::before { left: 29px; }
  .timeline__num { width: 60px; height: 60px; font-size: 1.2rem; }
  .timeline__item { gap: 20px; }

  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { letter-spacing: 3px; }
  .industries { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .vm-card, .contact-card { padding: 24px 20px; }
}