/* ═══════════════════════════════════════════════════
   Premium Su — Shared Stylesheet
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Variables ─── */
:root {
  --cobalt:       #0047AB;
  --cobalt-pale:  #2980E8;
  --ice-blue:     #64B5F6;
  --navy:         #001233;
  --navy-light:   #001845;
  --navy-mid:     #001A3E;
  --gold:         #D4AF5A;
  --text-pri:     #F0F4FF;
  --text-sec:     #9DB4D8;
  --text-muted:   #5A7099;
  --glass-bg:     rgba(0, 71, 171, 0.10);
  --glass-border: rgba(100, 181, 246, 0.14);
  --radius-sm:    10px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --radius-xl:    32px;
  --ease:         .25s ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  { font-family: 'Inter', sans-serif; background: var(--navy); color: var(--text-pri); line-height: 1.6; overflow-x: hidden; }
a     { color: var(--ice-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img   { max-width: 100%; display: block; }

/* ─── Layout ─── */
.container  { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.divider    { height: 1px; background: var(--glass-border); }

/* ─── Typography ─── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; }
h2 { font-size: clamp(26px, 4vw, 40px); }
h3 { font-size: 18px; }

.eyebrow {
  display: block;
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
  color: var(--cobalt-pale); text-transform: uppercase;
  margin-bottom: 12px;
}
.section-sub {
  color: var(--text-sec); font-size: 16px;
  max-width: 560px; line-height: 1.8;
}
.grad {
  background: linear-gradient(135deg, var(--ice-blue), var(--cobalt-pale));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Glass Card ─── */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--cobalt-pale), var(--cobalt));
  color: #fff; font-size: 15px; font-weight: 600; font-family: inherit;
  padding: 14px 28px; border-radius: 50px; border: none; cursor: pointer;
  box-shadow: 0 8px 24px rgba(41, 128, 232, .4);
  transition: transform var(--ease), box-shadow var(--ease);
  text-decoration: none;
}
.btn-primary:hover  { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(41, 128, 232, .6); text-decoration: none; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text-pri); font-size: 15px; font-weight: 600; font-family: inherit;
  padding: 14px 28px; border-radius: 50px; cursor: pointer;
  backdrop-filter: blur(8px); text-decoration: none;
  transition: border-color var(--ease), background var(--ease);
}
.btn-secondary:hover { border-color: var(--cobalt-pale); background: rgba(41, 128, 232, .15); text-decoration: none; }

/* ─── Feature List (in deep-dive) ─── */
.feat-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.feat-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15px; color: var(--text-sec); line-height: 1.6;
}
.feat-list li::before {
  content: "✦"; color: var(--cobalt-pale); font-size: 9px;
  margin-top: 6px; flex-shrink: 0;
}

/* ─── Navigation ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  background: rgba(0, 18, 51, .9); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  height: 64px; display: flex; align-items: center; padding: 0 24px;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.nav-brand:hover { text-decoration: none; }
.nav-brand img { width: 34px; height: 34px; border-radius: 8px; }
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-main { font-size: 15px; font-weight: 800; letter-spacing: 2.5px; color: var(--text-pri); text-transform: uppercase; }
.nav-brand-sub  { font-size: 7px;  font-weight: 400; letter-spacing: 2px;   color: var(--gold);     text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { font-size: 13.5px; font-weight: 500; color: var(--text-sec); transition: color var(--ease); }
.nav-links a:hover { color: var(--text-pri); text-decoration: none; }
.nav-links a.active { color: var(--text-pri); }
.nav-cta {
  background: linear-gradient(135deg, var(--cobalt-pale), var(--cobalt));
  color: #fff !important; padding: 8px 18px; border-radius: 50px;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 4px 12px rgba(41, 128, 232, .35);
  transition: box-shadow var(--ease), transform var(--ease);
}
.nav-cta:hover { box-shadow: 0 6px 18px rgba(41, 128, 232, .55); transform: translateY(-1px); text-decoration: none; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--text-pri); border-radius: 2px; transition: .3s; display: block; }

.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 299;
  background: rgba(0, 18, 51, .98); flex-direction: column;
  align-items: stretch; padding-top: 64px; overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 17px; color: var(--text-pri); font-weight: 600;
  padding: 18px 28px; border-bottom: 1px solid var(--glass-border);
  transition: background var(--ease);
}
.mobile-menu a:hover { background: rgba(41, 128, 232, .1); text-decoration: none; }
.mobile-menu .m-cta {
  margin: 24px 28px; padding: 16px 32px; border-radius: 50px;
  text-align: center; border-bottom: none;
  background: linear-gradient(135deg, var(--cobalt-pale), var(--cobalt));
  box-shadow: 0 6px 18px rgba(41, 128, 232, .4);
}

/* ─── Footer ─── */
footer { border-top: 1px solid var(--glass-border); padding: 64px 0 32px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-logo-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo-row img { width: 36px; height: 36px; border-radius: 9px; }
.footer-brand-main { font-size: 14px; font-weight: 800; letter-spacing: 2.5px; color: var(--text-pri); text-transform: uppercase; }
.footer-brand-sub  { font-size: 7px;  font-weight: 400; letter-spacing: 2px;   color: var(--gold); text-transform: uppercase; }
.footer-tagline { font-size: 14px; color: var(--text-muted); max-width: 280px; line-height: 1.75; }
.footer-col h4 {
  font-size: 11px; font-weight: 700; letter-spacing: 1.8px;
  text-transform: uppercase; color: var(--text-pri); margin-bottom: 18px;
}
.footer-col a {
  display: block; font-size: 14px; color: var(--text-muted);
  margin-bottom: 12px; transition: color var(--ease);
}
.footer-col a:hover { color: var(--text-pri); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--glass-border); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p, .footer-bottom a { font-size: 13px; color: var(--text-muted); }
.footer-bottom a:hover { color: var(--text-pri); }

/* ─── Scroll Fade-in ─── */
.fade-in { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: none; }
.fd1 { transition-delay: .08s; }
.fd2 { transition-delay: .16s; }
.fd3 { transition-delay: .24s; }
.fd4 { transition-delay: .32s; }
.fd5 { transition-delay: .40s; }
.fd6 { transition-delay: .48s; }
.fd7 { transition-delay: .56s; }
.fd8 { transition-delay: .64s; }
.fd9 { transition-delay: .72s; }

/* ─── Language Toggle ─── */
.en        { display: none !important; }
.en-block  { display: none !important; }
.en-flex   { display: none !important; }
body.lang-en .tr       { display: none !important; }
body.lang-en .tr-block { display: none !important; }
body.lang-en .tr-flex  { display: none !important; }
body.lang-en .en       { display: inline !important; }
body.lang-en .en-block { display: block !important; }
body.lang-en .en-flex  { display: flex !important; }

.lang-btn {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text-sec); font-size: 12px; font-weight: 600; font-family: inherit;
  padding: 5px 12px; border-radius: 50px; cursor: pointer;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
  flex-shrink: 0; letter-spacing: .4px;
}
.lang-btn:hover { border-color: var(--cobalt-pale); color: var(--text-pri); background: rgba(41,128,232,.1); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  .section    { padding: 72px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .container   { padding: 0 18px; }
}