@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@300;400;600;700;900&family=Manrope:wght@300;400;500;600;700&display=swap');

/* ── VARIABLES & RESET ── */
:root {
  --sky:       #C8E6F5;
  --sky-mid:   #7EC8E3;
  --white:     #FFFFFF;
  --navy:      #0D2B55;
  --navy-mid:  #1A3F73;
  --black:     #0A0E17;
  --accent:    #2563EB;
  --gold:      #F59E0B;
  --nav-h:     72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Manrope', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.5;
}

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

section {
  min-height: 100vh; width: 100%;
  display: flex; flex-direction: column; justify-content: center;
  position: relative; overflow: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px;
  height: var(--nav-h);
  background: rgba(10,14,23,0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200,230,245,0.07);
  transition: background 0.4s, height 0.4s;
}
nav.scrolled {
  background: rgba(10,14,23,0.96);
  --nav-h: 60px;
}

.logo {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900; letter-spacing: -1px;
  flex-shrink: 0;
}
.logo span { color: var(--sky-mid); }

.nav-links {
  display: flex; gap: 2px; align-items: center;
}
.nav-links a {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.07em;
  color: rgba(255,255,255,0.6);
  padding: 8px 13px; border-radius: 100px;
  transition: all 0.25s; text-transform: uppercase;
  white-space: nowrap;
}
.nav-links a:hover  { color: var(--white); background: rgba(200,230,245,0.1); }
.nav-links a.active { color: var(--sky-mid); }
.nav-links .cta {
  background: var(--sky-mid); color: #000000; font-weight: 700;
  margin-left: 6px;
}
.nav-links .cta:hover { background: var(--sky); color: var(--navy); }

/* Burger */
.burger {
  display: none; flex-direction: column;
  justify-content: center; align-items: center; gap: 5px;
  width: 44px; height: 44px;
  background: rgba(126,200,227,0.08);
  border: 1px solid rgba(126,200,227,0.2);
  border-radius: 12px; cursor: pointer; z-index: 300;
  transition: background 0.25s, border-color 0.25s;
}
.burger:hover { background: rgba(126,200,227,0.15); border-color: rgba(126,200,227,0.45); }
.burger span {
  display: block; width: 20px; height: 2px;
  background: var(--sky-mid); border-radius: 2px;
  transition: transform 0.35s cubic-bezier(0.77,0,0.175,1), opacity 0.25s, width 0.3s;
  transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; width: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay { display: none; pointer-events: none; }

/* ── SHARED TYPOGRAPHY ── */
.section-label {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--sky-mid);
  margin-bottom: 18px; display: flex; align-items: center; gap: 14px;
}
.section-label::before {
  content: ''; width: 32px; height: 2px; background: var(--sky-mid); flex-shrink: 0;
}

h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(30px, 5vw, 62px);
  font-weight: 800; line-height: 1.02; letter-spacing: -1.5px;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--sky-mid); color: var(--navy);
  font-family: 'Unbounded', sans-serif; font-size: 12px; font-weight: 700;
  padding: 16px 36px; border-radius: 100px;
  border: none; cursor: pointer; transition: all 0.3s; letter-spacing: 0.04em;
  box-shadow: 0 0 40px rgba(126,200,227,0.3);
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--sky); transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(126,200,227,0.5);
}

.btn-ghost {
  display: inline-block;
  background: transparent; color: var(--white);
  font-family: 'Unbounded', sans-serif; font-size: 12px; font-weight: 600;
  padding: 16px 36px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.22); cursor: pointer; transition: all 0.3s;
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--sky-mid); color: var(--sky-mid); }

/* ── REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── SCROLL HINT ── */
.scroll-hint {
  position: absolute; bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); z-index: 10;
  animation: fadeUp 1s 1.2s ease both;
}
.scroll-hint .arrow {
  width: 18px; height: 18px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce 1.6s ease infinite;
}

/* ── FOOTER ── */
footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 56px 32px 48px;
  text-align: center;
}
.footer-logo {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(22px, 4vw, 32px); font-weight: 900;
  margin-bottom: 12px; color: var(--white);
}
.footer-logo span { color: var(--sky-mid); }
.footer-sub  { font-size: 13px;   color: rgba(255,255,255,0.3);  margin-bottom: 6px; }
.footer-sub a { font-size: 13px;   color: rgba(255, 255, 255, 0.6);  margin-bottom: 6px; }
.footer-copy { font-size: 11.5px; color: rgba(255,255,255,0.18); }
.footer-sub1 { font-size: 13px;   color: rgba(255, 255, 255, 0.6);  margin-bottom: 6px; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(5px); }
}

/* ── RESPONSIVE: NAV ── */
@media (max-width: 1100px) {
  nav { padding: 0 28px; }
}

@media (max-width: 815px) {
  .nav-links { display: none; }
  .burger    { display: flex; }

  .nav-links.open {
    pointer-events: auto;
    display: flex;
    flex-direction: column; align-items: flex-start; gap: 0;
    position: fixed;
    top: 0; right: 0;
    width: min(300px, 86vw); height: 100dvh;
    background: rgba(10,14,23,0.97);
    backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
    border-left: 1px solid rgba(126,200,227,0.1);
    padding: 88px 26px 48px;
    z-index: 230;
    box-shadow: -20px 0 60px rgba(0,0,0,0.5);
    animation: drawerIn 0.35s cubic-bezier(0.25,0.46,0.45,0.94) both;
  }
  .nav-links.open a {
    font-size: 12.5px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    padding: 15px 0; width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    border-radius: 0; background: transparent;
    transition: color 0.2s;
    position: relative;
    z-index: 310;
  }
  .nav-links.open a:first-child { border-top: 1px solid rgba(255,255,255,0.05); }
  .nav-links.open a:hover       { color: var(--sky-mid); background: transparent; }
  .nav-links.open a.cta {
    margin-top: 22px;
    background: var(--sky-mid); color: var(--navy);
    border-radius: 100px; padding: 14px 22px; text-align: center;
    border: none; font-weight: 700;
  }
  .nav-links.open a.cta:hover { background: var(--sky); }

  .nav-links.open a:nth-child(1) { animation: linkIn 0.28s 0.08s ease both; }
  .nav-links.open a:nth-child(2) { animation: linkIn 0.28s 0.13s ease both; }
  .nav-links.open a:nth-child(3) { animation: linkIn 0.28s 0.17s ease both; }
  .nav-links.open a:nth-child(4) { animation: linkIn 0.28s 0.21s ease both; }
  .nav-links.open a:nth-child(5) { animation: linkIn 0.28s 0.25s ease both; }
  .nav-links.open a:nth-child(6) { animation: linkIn 0.28s 0.29s ease both; }
  .nav-links.open a:nth-child(7) { animation: linkIn 0.28s 0.33s ease both; }

  .nav-overlay.open {
    display: block; pointer-events: auto;
    position: fixed; inset: 0; z-index: 250;
    background: rgba(0,0,0,0.45);
    animation: fadeInOverlay 0.25s ease both;
  }

  .btn-primary, .btn-ghost { padding: 14px 28px; font-size: 11px; }
}

@media (max-width: 480px) {
  :root { --nav-h: 64px; }
  nav   { padding: 0 18px; }
  .logo { font-size: 20px; }
  h2    { letter-spacing: -1px; }
  .scroll-hint { bottom: 18px; }
}

/* ── KEYFRAMES (shared) ── */
@keyframes drawerIn {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}
@keyframes linkIn {
  from { opacity: 0; transform: translateX(14px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInOverlay {
  from { opacity: 0; }
  to   { opacity: 1; }
}