/* =========================================================
   ROOT
========================================================= */

:root {

  --text: #f0f4f8;
  --text-dark: #0f172a;

  --muted: rgba(255, 255, 255, 0.76);

  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --accent-dark: #0369a1;

  --dark: #0f172a;
  --dark-deep: #07111f;

  --white: #ffffff;

  --bg-soft: #f8fafc;

  --border-light: #e2e8f0;

  --shadow-light:
    0 20px 60px rgba(15, 23, 42, 0.08);
}



/* =========================================================
   RESET
========================================================= */

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


html,
body {
  width: 100%;
  scroll-behavior: smooth;
}


body {

  min-width: 320px;

  font-family:
    "Inter",
    sans-serif;

  background:
    var(--dark);

  color:
    var(--text);

  line-height:
    1.6;
}


body.menu-open {
  overflow: hidden;
}


a {
  color: inherit;
  text-decoration: none;
}


button,
input,
textarea {
  font-family: inherit;
}


button {
  cursor: pointer;
}


img {
  max-width: 100%;
  display: block;
}


.container {

  width:
    min(
      1200px,
      calc(100% - 48px)
    );

  margin-inline: auto;
}



/* =========================================================
   BUTTONS
========================================================= */

.btn {

  min-height: 56px;

  display: inline-flex;

  align-items: center;
  justify-content: center;

  padding: 0 28px;

  border: none;
  border-radius: 12px;

  font-size: 1rem;
  font-weight: 700;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}


.btn:hover {
  transform: translateY(-2px);
}


.btn--primary {

  color: #ffffff;

  background:
    var(--accent-hover);

  box-shadow:
    0 6px 20px rgba(2,132,199,0.28);
}


.btn--primary:hover {
  background:
    var(--accent-dark);
}


.btn--ghost {

  color: #ffffff;

  border:
    1px solid rgba(255,255,255,0.22);

  background:
    rgba(255,255,255,0.08);

  backdrop-filter:
    blur(10px);

  -webkit-backdrop-filter:
    blur(10px);
}


.btn--ghost:hover {

  background:
    rgba(255,255,255,0.15);
}


.w-100 {
  width: 100%;
}


.mt-15 {
  margin-top: 15px;
}



/* =========================================================
   EYEBROW
========================================================= */

.section-eyebrow {

  margin-bottom: 14px;

  color:
    var(--accent-hover);

  font-size: 0.76rem;
  font-weight: 800;

  letter-spacing: 0.14em;

  text-transform: uppercase;
}


.section-eyebrow--center {
  text-align: center;
}


.section-eyebrow--dark,
.section-eyebrow--light {
  color: var(--accent);
}



/* =========================================================
   FORM INPUTS
========================================================= */

.form-input {

  width: 100%;

  padding:
    16px 17px;

  border:
    1px solid #cbd5e1;

  border-radius:
    11px;

  outline:
    none;

  background:
    #ffffff;

  color:
    #0f172a;

  font-size:
    1rem;

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}


.form-input:focus {

  border-color:
    var(--accent-hover);

  box-shadow:
    0 0 0 3px rgba(2,132,199,0.10);
}


textarea.form-input {
  resize: vertical;
}



/* =========================================================
   FIXED GLASS HEADER
========================================================= */

.site-header {

  position: fixed;

  top: 0;
  left: 50%;

  z-index: 900;

  transform:
    translateX(-50%);

  height: 92px;

  display: grid;

  grid-template-columns:
    auto
    1fr
    auto;

  align-items: center;

  gap: 34px;

  padding-left: 0;
  padding-right: 0;

  border:
    1px solid rgba(255,255,255,0);

  border-radius: 0;

  background:
    rgba(15,23,42,0);

  box-shadow:
    0 15px 45px rgba(0,0,0,0);

  backdrop-filter:
    blur(0);

  -webkit-backdrop-filter:
    blur(0);

  transition:
    top 0.45s cubic-bezier(0.22,1,0.36,1),
    height 0.45s cubic-bezier(0.22,1,0.36,1),
    padding 0.45s cubic-bezier(0.22,1,0.36,1),
    border-radius 0.45s cubic-bezier(0.22,1,0.36,1),
    border-color 0.45s ease,
    background 0.45s ease,
    box-shadow 0.45s ease,
    backdrop-filter 0.45s ease,
    -webkit-backdrop-filter 0.45s ease;
}


.site-header.is-scrolled {

  top: 14px;

  height: 68px;

  padding-left: 20px;
  padding-right: 20px;

  border:
    1px solid rgba(255,255,255,0.12);

  border-radius: 18px;

  background:
    rgba(10,22,37,0.58);

  box-shadow:
    0 18px 55px rgba(0,0,0,0.16);

  backdrop-filter:
    blur(18px)
    saturate(145%);

  -webkit-backdrop-filter:
    blur(18px)
    saturate(145%);
}



/* =========================================================
   LOGO
========================================================= */

.logo {

  flex-shrink: 0;

  color: #ffffff;

  font-size: 1.4rem;
  font-weight: 800;

  letter-spacing: -0.03em;
}


.logo span {
  color: var(--accent);
}



/* =========================================================
   NAV
========================================================= */

.nav {

  display: flex;

  align-items: center;
  justify-content: center;

  gap: 30px;
}


.nav a {

  position: relative;

  padding: 8px 0;

  color:
    rgba(255,255,255,0.72);

  font-size: 0.91rem;
  font-weight: 600;

  transition:
    color 0.2s ease;
}


.nav a::after {

  content: "";

  position: absolute;

  left: 0;
  bottom: 2px;

  width: 100%;
  height: 1px;

  background:
    var(--accent);

  transform:
    scaleX(0);

  transform-origin:
    right;

  transition:
    transform 0.2s ease;
}


.nav a:hover,
.nav a.nav-active {

  color:
    #ffffff;
}


.nav a:hover::after,
.nav a.nav-active::after {

  transform:
    scaleX(1);

  transform-origin:
    left;
}



/* =========================================================
   HEADER CTA
========================================================= */

.header-cta {

  padding:
    12px 22px;

  border-radius:
    999px;

  background:
    var(--accent-hover);

  color:
    #ffffff;

  font-size:
    0.88rem;

  font-weight:
    700;

  white-space:
    nowrap;

  transition:
    transform 0.2s ease,
    background 0.2s ease;
}


.header-cta:hover {

  transform:
    translateY(-1px);

  background:
    var(--accent-dark);
}



/* =========================================================
   HAMBURGER
========================================================= */

.mobile-menu-toggle {

  width: 48px;
  height: 48px;

  display: none;

  align-items: center;
  justify-content: center;

  flex-direction: column;

  gap: 5px;

  border:
    1px solid rgba(255,255,255,0.15);

  border-radius: 13px;

  background:
    rgba(255,255,255,0.08);
}


.mobile-menu-toggle span {

  width: 20px;
  height: 2px;

  display: block;

  border-radius:
    999px;

  background:
    #ffffff;
}



/* =========================================================
   MOBILE BACKDROP
========================================================= */

.mobile-menu-backdrop {

  position: fixed;

  inset: 0;

  z-index: 998;

  visibility: hidden;

  opacity: 0;

  background:
    rgba(2,8,23,0.72);

  backdrop-filter:
    blur(4px);

  -webkit-backdrop-filter:
    blur(4px);

  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}


.mobile-menu-backdrop.is-open {

  visibility: visible;

  opacity: 1;
}



/* =========================================================
   MOBILE MENU
========================================================= */

.mobile-menu {

  position: fixed;

  top: 0;
  right: 0;

  z-index: 999;

  width:
    min(390px,88vw);

  height:
    100vh;

  height:
    100dvh;

  display: flex;

  flex-direction: column;

  padding: 24px;

  color: #ffffff;

  background:

    radial-gradient(
      circle at 100% 0%,
      rgba(56,189,248,0.16),
      transparent 35%
    ),

    #0b1626;

  box-shadow:
    -30px 0 80px rgba(0,0,0,0.35);

  transform:
    translateX(105%);

  transition:
    transform 0.35s cubic-bezier(0.22,1,0.36,1);
}


.mobile-menu.is-open {

  transform:
    translateX(0);
}


.mobile-menu__header {

  display: flex;

  align-items: center;
  justify-content: space-between;

  padding-bottom: 26px;

  border-bottom:
    1px solid rgba(255,255,255,0.08);
}


.mobile-menu__close {

  position: relative;

  width: 44px;
  height: 44px;

  border:
    1px solid rgba(255,255,255,0.12);

  border-radius: 12px;

  background:
    rgba(255,255,255,0.05);
}


.mobile-menu__close span {

  position: absolute;

  top: 50%;
  left: 50%;

  width: 19px;
  height: 2px;

  border-radius:
    999px;

  background:
    #ffffff;
}


.mobile-menu__close span:first-child {

  transform:
    translate(-50%,-50%)
    rotate(45deg);
}


.mobile-menu__close span:last-child {

  transform:
    translate(-50%,-50%)
    rotate(-45deg);
}


.mobile-menu__nav {

  display: flex;

  flex-direction: column;

  padding:
    28px 0;
}


.mobile-menu__nav a {

  display: flex;

  align-items: center;

  gap: 16px;

  min-height: 64px;

  border-bottom:
    1px solid rgba(255,255,255,0.07);

  color: #ffffff;

  font-size: 1.05rem;
  font-weight: 650;
}


.mobile-menu__nav a > span {

  width: 28px;

  color:
    var(--accent);

  font-size: 0.68rem;
  font-weight: 800;
}


.mobile-menu__bottom {

  margin-top: auto;

  padding-top: 24px;

  border-top:
    1px solid rgba(255,255,255,0.08);
}


.mobile-menu__bottom p {

  margin-bottom: 15px;

  color:
    rgba(255,255,255,0.50);

  font-size: 0.79rem;
}


.mobile-menu__cta {

  min-height: 58px;

  display: flex;

  align-items: center;
  justify-content: space-between;

  padding:
    0 19px;

  border-radius:
    12px;

  background:
    var(--accent-hover);

  color:
    #ffffff;

  font-size: 0.92rem;
  font-weight: 700;
}



/* =========================================================
   FOOTER
========================================================= */

.site-footer {

  padding:
    30px 0;

  border-top:
    1px solid rgba(255,255,255,0.08);

  background:
    #0b1322;

  color:
    rgba(255,255,255,0.38);

  font-size: 0.78rem;

  text-align: center;
}



/* =========================================================
   TABLET
========================================================= */

@media (max-width: 992px) {

  .nav,
  .header-cta {

    display: none;
  }


  .mobile-menu-toggle {

    display: flex;
  }


  .site-header {

    grid-template-columns:
      1fr auto;
  }


  .site-header.is-scrolled {

    top: 10px;

    height: 66px;

    padding-left: 15px;
    padding-right: 12px;

    border-radius: 17px;
  }

}



/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 600px) {

  .container {

    width:
      calc(100% - 30px);
  }


  .site-header {

    height: 76px;
  }


  .site-header.is-scrolled {

    top: 9px;

    height: 60px;

    padding-left: 15px;
    padding-right: 9px;

    border-radius: 16px;

    background:
      rgba(10,22,37,0.60);

    backdrop-filter:
      blur(16px)
      saturate(140%);

    -webkit-backdrop-filter:
      blur(16px)
      saturate(140%);
  }


  .logo {
    font-size: 1.18rem;
  }


  .mobile-menu-toggle {

    width: 43px;
    height: 43px;

    border-radius: 12px;
  }


  .mobile-menu {

    width:
      min(360px,91vw);

    padding: 20px;
  }

}