
/* ─── Design Tokens ──────────────────────────────────────────── */
:root {
  --navy:       #21345f;
  --blue:       #4266a4;
  --blue-lt:    #5c82c8;
  --dark-bg:    #121d35;
  --body-color: #4a5568;
  --green:      #4ade80;

  --fs-h1:   64px;  --fs-h2:  40px;  --fs-h3:  22.4px;
  --fs-body: 16.8px; --fs-sm: 14.4px; --fs-xs:  12px;

  --sp-8:   8px;  --sp-12:  12px; --sp-16: 16px;
  --sp-20: 20px;  --sp-24:  24px; --sp-32: 32px;
  --sp-48: 48px;  --sp-64:  64px; --sp-96: 96px;

  --container:   1200px;
  --radius-card: 20px; --radius-card-s: 12px;
  --radius-btn:  10px; --radius-tag:    100px;
  --shadow-deep: 0 12px 48px rgba(33,52,95,0.15);
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--body-color); background: #fff; overflow-x: hidden; }
img  { display: block; max-width: 100%; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

/* ─── Scroll Reveal ──────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ─── Container ──────────────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ─── Section labels ─────────────────────────────────────────── */
.section-label {
  display: inline-flex; background: rgba(66,102,164,0.10);
  border-radius: var(--radius-tag); padding: 5px 14px;
  font-size: var(--fs-xs); font-weight: 700; color: var(--blue);
  letter-spacing: 1.2px; text-transform: uppercase; white-space: nowrap;
}
.section-label--light { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.9); }

/* ─── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 72px; display: flex; align-items: center;
  padding: 0 var(--sp-64);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav.scrolled {
  background: rgba(18,29,53,0.96); backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav__inner {
  max-width: var(--container); width: 100%; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo img { height: 36px; }
.nav__links { display: flex; gap: var(--sp-32); align-items: center; }
.nav__links a { font-size: var(--fs-sm); font-weight: 500; color: rgba(255,255,255,0.75); transition: color 0.2s; }
.nav__links a:hover { color: #fff; }
.nav__cta {
  background: var(--blue); color: #fff !important; border: 2px solid var(--blue);
  border-radius: var(--radius-btn); padding: 10px 24px; font-weight: 600;
  font-size: var(--fs-sm); transition: background 0.2s, border-color 0.2s;
}
.nav__cta:hover { background: #355394; border-color: #355394; }
.nav__login {
  border: 1.5px solid rgba(255,255,255,0.35); border-radius: var(--radius-btn);
  padding: 10px 20px; font-weight: 600; font-size: var(--fs-sm);
  color: rgba(255,255,255,0.85) !important; transition: border-color 0.2s, color 0.2s;
}
.nav__login:hover { border-color: #fff; color: #fff !important; }
.nav__item { position: relative; display: flex; align-items: center; }
.nav__link {
  font-size: var(--fs-sm); font-weight: 500; color: rgba(255,255,255,0.75);
  transition: color 0.2s; display: flex; align-items: center; gap: 4px;
  white-space: nowrap; cursor: pointer;
}
.nav__link:hover { color: #fff; }
.nav__chevron { width: 10px; height: 10px; opacity: 0.55; transition: transform 0.2s; }
.nav__item:hover .nav__chevron { transform: rotate(180deg); opacity: 0.9; }
.nav__dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(-10px) scale(0.96);
  transform-origin: top center; min-width: 210px;
  background: rgba(11,18,40,0.98); backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.10); border-radius: 14px;
  padding: 8px; opacity: 0; visibility: hidden;
  transition: opacity 0.2s cubic-bezier(0.16,1,0.3,1),
              transform 0.2s cubic-bezier(0.16,1,0.3,1), visibility 0.2s;
  z-index: 200; list-style: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.04);
  pointer-events: none;
}
.nav__dropdown::before { content: ''; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.nav__item:hover .nav__dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0) scale(1); pointer-events: auto; }
.nav__dropdown li a {
  display: block; padding: 9px 14px; font-size: 13.5px; font-weight: 400;
  color: rgba(255,255,255,0.6); transition: color 0.15s, background 0.15s;
  white-space: nowrap; border-radius: 8px;
}
.nav__dropdown li a:hover { color: #fff; background: rgba(255,255,255,0.07); }
.nav__dropdown li + li { margin-top: 2px; }
.nav__actions {
  display: flex; align-items: center; gap: 10px;
  margin-left: var(--sp-32); padding-left: var(--sp-32);
  border-left: 1px solid rgba(255,255,255,0.14);
}
.nav__lang { display: flex; align-items: center; padding: 0 4px; }
.nav__lang-btn {
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.5);
  transition: color 0.2s; cursor: pointer; background: none; border: none;
  font-family: inherit; padding: 0;
}
.nav__lang-btn:hover { color: rgba(255,255,255,0.9); }
.nav__hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px; background: none; border: none;
  cursor: pointer; padding: 4px; z-index: 300; flex-shrink: 0;
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px; background: rgba(255,255,255,0.85);
  border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; transform-origin: center;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(9,15,32,0.97); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); flex-direction: column;
  padding: 88px 28px 48px; overflow-y: auto;
}
.nav__mobile-menu.open { display: flex; }
.nav__mobile-section { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 6px 0; }
.nav__mobile-label { font-size: 10px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: rgba(255,255,255,0.28); padding: 12px 0 6px; }
.nav__mobile-section a { display: block; padding: 10px 0; font-size: 17px; font-weight: 500; color: rgba(255,255,255,0.78); transition: color 0.15s; }
.nav__mobile-section a:hover { color: #fff; }
.nav__mobile-ctas { display: flex; flex-direction: column; gap: 12px; padding-top: 28px; margin-top: auto; }
.nav__mobile-ctas .nav__cta, .nav__mobile-ctas .nav__login { display: block; width: 100%; text-align: center; padding: 13px 24px; font-size: 15px; }

/* ─── Hero ───────────────────────────────────────────────────── */
.about-hero {
  position: relative;
  overflow: hidden;
  background: rgb(10,16,28);
}
.about-hero__bg {
  position: relative;
  width: 100%;
  z-index: 0;
}
.about-hero__bg img {
  width: 100%;
  height: auto;
  min-height: 520px;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.about-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, rgba(10,16,30,0.55) 0%, rgba(10,16,30,0.20) 100%);
}
.about-hero__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 72px 24px 0;
  text-align: center;
}
.about-hero__headline {
  font-family: 'Roboto', sans-serif;
  font-weight: 900;
  font-size: 54px;
  line-height: 1.1;
  color: #fff;
}
.about-hero__sub {
  font-size: 17px;
  line-height: 1.65;
  color: rgba(255,255,255,0.78);
  font-weight: 400;
}

/* ─── Story Section ──────────────────────────────────────────── */
.about-story {
  padding: var(--sp-96) 0;
  background: #fff;
}
.about-story__grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 72px;
  align-items: start;
}
.about-story__text { display: flex; flex-direction: column; gap: var(--sp-24); }
.about-story__heading {
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
}
.about-story__body {
  font-size: 16.8px;
  line-height: 1.8;
  color: var(--body-color);
}

/* Fact card */
.about-fact-card {
  background: var(--navy);
  border-radius: var(--radius-card);
  padding: var(--sp-32);
  display: flex; flex-direction: column; gap: var(--sp-20);
  box-shadow: var(--shadow-deep);
  position: sticky;
  top: 96px;
}
.about-fact-card__title {
  font-size: 10px; font-weight: 700; letter-spacing: 1.4px;
  text-transform: uppercase; color: rgba(255,255,255,0.32);
  padding-bottom: var(--sp-16);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.about-fact { display: flex; flex-direction: column; gap: 4px; }
.about-fact__label {
  font-size: 10px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: rgba(255,255,255,0.3);
}
.about-fact__value {
  font-size: 14.5px; font-weight: 600;
  color: rgba(255,255,255,0.86); line-height: 1.5;
}
.about-fact__divider { height: 1px; background: rgba(255,255,255,0.07); }
.about-fact__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.about-fact__tag {
  font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 4px;
  background: rgba(92,130,200,0.15); border: 1px solid rgba(92,130,200,0.28);
  color: rgba(160,195,255,0.9);
}

/* ─── Value Proposition ─────────────────────────────────────── */
.about-vp {
  background: #f0f2f5;
  padding: var(--sp-96) 0;
}
.about-vp__inner {
  max-width: 780px; margin: 0 auto; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-24);
}
.about-vp__icon-wrap {
  width: 60px; height: 60px;
  background: rgba(66,102,164,0.10);
  border: 2px solid rgba(66,102,164,0.18);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
}
.about-vp__heading {
  font-size: var(--fs-h2); font-weight: 800; color: var(--navy); line-height: 1.2;
}
.about-vp__body {
  font-size: 17.5px; line-height: 1.8; color: var(--body-color);
}
.about-vp__highlight { color: var(--navy); font-weight: 700; }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: rgb(18,29,53);
  padding: var(--sp-96) var(--sp-64) var(--sp-48);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer__inner { max-width: var(--container); margin: 0 auto; }
.footer__top {
  display: grid; grid-template-columns: 380px 1fr; gap: var(--sp-48);
  padding-bottom: var(--sp-32); border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 0;
}
.footer__bottom {
  padding-top: var(--sp-24);
  padding-bottom: var(--sp-24);
}
.footer__contact-label {
  font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.35);
  text-transform: uppercase; letter-spacing: 1px; margin-top: 6px; cursor: default;
}
.footer__brand { display: flex; flex-direction: column; gap: 12px; }
.footer__logo img { height: 36px; }
.footer__slogan { font-size: 15px; font-weight: 600; color: rgba(255,255,255,0.85); margin-bottom: var(--sp-12); }
.footer__tagline { font-size: var(--fs-sm); line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 404px; }
.footer__tags { display: flex; gap: 8px; flex-wrap: wrap; }
.footer__tag { border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-tag); padding: 4px 11px; font-size: 11.52px; font-weight: 600; color: rgba(255,255,255,0.5); }
.footer__nav { display: flex; justify-content: flex-end; gap: var(--sp-32); flex-wrap: wrap; }
.footer__col h4 { font-size: 12.8px; font-weight: 700; color: rgba(255,255,255,0.9); text-transform: uppercase; letter-spacing: 1.28px; margin-bottom: var(--sp-16); }
.footer__col ul { display: flex; flex-direction: column; gap: 9.6px; }
.footer__col ul li a { font-size: 14.08px; color: rgba(255,255,255,0.5); line-height: 1.65; transition: color 0.2s; }
.footer__col ul li a:hover { color: rgba(255,255,255,0.9); }
.footer__col ul.footer__col-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: var(--sp-32); row-gap: 9.6px; }
.footer__address { font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.65; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__copy { font-size: 12.8px; color: rgba(255,255,255,0.35); }
.footer__bottom-right { display: flex; align-items: center; gap: 24px; }
.footer__social { display: flex; gap: 16px; }
.footer__social a { font-size: 13px; color: rgba(255,255,255,0.45); transition: color 0.2s; }
.footer__social a:hover { color: rgba(255,255,255,0.9); }
.footer__lang a { font-size: 13px; color: rgba(255,255,255,0.45); transition: color 0.2s; }
.footer__lang a:hover { color: rgba(255,255,255,0.9); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --fs-h2: 32px; }
  .nav { padding: 0 var(--sp-32); }
  .about-story__grid { grid-template-columns: 1fr; gap: var(--sp-48); }
  .about-fact-card { position: static; }
  .footer__top { grid-template-columns: 1fr; }
  .about-hero__headline { font-size: 40px; }
}
@media (max-width: 640px) {
  :root { --fs-h2: 26px; --sp-96: 64px; --sp-64: 40px; }
  .nav { padding: 0 var(--sp-16); height: 60px; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .about-hero__headline { font-size: 30px; }
  .about-hero__content { padding: 60px 24px 0; }
  .footer { padding: var(--sp-64) var(--sp-16) var(--sp-32); }
  .footer__top { grid-template-columns: 1fr; }
  .footer__nav { gap: var(--sp-24); }
  .footer__col ul.footer__col-grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}
