/* ═══════════════════════════════════════════════════════════
   MAIN.CSS — Ona Inc shared styles
   Design tokens · Reset · Utilities · Navbar · Footer
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --navy:       #0D2B3E;
  --teal:       #0D6E8A;
  --cyan:       #00C9E0;
  --light-bg:   #F8FAFB;
  --white:      #FFFFFF;
  --text:       #1a2e3b;
  --text-mid:   #4a6272;
  --text-muted: #8fa8b8;
  --border:     #e2ecf0;
  --grad:       linear-gradient(135deg, #0D2B3E 0%, #0D6E8A 55%, #00C9E0 100%);
  --grad-h:     linear-gradient(90deg, #0D6E8A, #00C9E0);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --shadow-sm:  0 2px 12px rgba(13,43,62,0.08);
  --shadow-md:  0 8px 32px rgba(13,43,62,0.10);
  --shadow-lg:  0 24px 60px rgba(13,43,62,0.13);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Layout Utilities ───────────────────────────────────────── */
.wrap { max-width: 1200px; margin: 0 auto; }
section { padding: 96px 28px; }

/* ── Typography Helpers ─────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--teal); font-size: 12px; font-weight: 700;
  letter-spacing: 1.8px; text-transform: uppercase; margin-bottom: 10px;
}
.eyebrow::before {
  content: ''; width: 22px; height: 2px;
  background: var(--cyan); border-radius: 2px; flex-shrink: 0;
}
.eyebrow.light { color: var(--cyan); }
.eyebrow.center { justify-content: center; }

.sec-title {
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 800; color: var(--navy);
  line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 14px;
}
.sec-title span { color: var(--teal); }
.sec-title.white { color: #fff; }
.sec-title.center { text-align: center; }

.sec-sub {
  font-size: 17px; color: var(--text-mid); line-height: 1.75;
}
.sec-sub.center { text-align: center; max-width: 560px; margin-inline: auto; }
.sec-sub.light { color: rgba(255,255,255,0.58); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 13px 26px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 15px; font-family: inherit;
  transition: transform 0.25s, box-shadow 0.25s, background 0.2s, border-color 0.2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad-h); color: #fff;
  box-shadow: 0 4px 22px rgba(0,201,224,0.32);
}
.btn-primary:hover { box-shadow: 0 8px 32px rgba(0,201,224,0.44); }

.btn-ghost {
  background: transparent; color: #fff;
  border: 1.5px solid rgba(255,255,255,0.28);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.5); }

.btn-white {
  background: #fff; color: var(--teal);
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
}
.btn-white:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.26); }

.btn-woutline {
  background: transparent; color: #fff;
  border: 1.5px solid rgba(255,255,255,0.36);
}
.btn-woutline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.65); }

.btn-teal {
  background: var(--grad-h); color: #fff;
  box-shadow: 0 4px 18px rgba(13,110,138,0.28);
}
.btn-teal:hover { box-shadow: 0 8px 28px rgba(0,201,224,0.38); }

.btn-outline-teal {
  background: transparent; color: var(--teal);
  border: 1.5px solid var(--teal);
}
.btn-outline-teal:hover { background: rgba(13,110,138,0.06); }

/* ── Scroll-reveal ──────────────────────────────────────────── */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.in { opacity: 1; transform: none; }

/* ── Tech Stack (shared — used by home and service pages) ───── */
.tech-rows { display: flex; flex-direction: column; }
.tech-row {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 16px 0; border-bottom: 1px solid var(--border);
}
.tech-row:last-child { border-bottom: none; }
.t-lbl {
  width: 170px; flex-shrink: 0;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--text-muted); padding-top: 5px;
}
.t-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.t-pill {
  background: var(--light-bg); border: 1px solid var(--border);
  color: var(--text-mid); font-size: 13px; font-weight: 500;
  padding: 6px 14px; border-radius: var(--radius-sm);
  transition: background 0.18s, border-color 0.18s, color 0.18s; cursor: default;
}
.t-pill:hover { background: rgba(13,110,138,0.07); border-color: var(--teal); color: var(--teal); }

/* ══════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
#nav.scrolled { box-shadow: 0 4px 32px rgba(13,43,62,0.10); }

.nav-wrap {
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 46px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > li > a {
  display: block; padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 500; color: var(--text-mid);
  transition: background 0.18s, color 0.18s;
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
  background: rgba(13,110,138,0.08); color: var(--teal);
}

/* Dropdown */
.nav-dd { position: relative; }
.nav-dd > a::after { content: ' ▾'; font-size: 10px; opacity: 0.65; }

.dd-panel {
  position: absolute; top: calc(100% + 10px); left: 0;
  background: #fff; border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow-lg);
  padding: 8px; min-width: 240px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all 0.2s ease;
}
.nav-dd:hover .dd-panel { opacity: 1; visibility: visible; transform: none; }

.dd-panel a {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px;
  font-size: 14px; color: var(--text-mid);
  transition: background 0.15s, color 0.15s;
}
.dd-panel a:hover { background: var(--light-bg); color: var(--teal); }

.dd-icon {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--light-bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; flex-shrink: 0;
}
.dd-panel .dd-title { font-size: 14px; font-weight: 700; color: var(--navy); display: block; }
.dd-panel .dd-sub { font-size: 12px; color: var(--text-muted); }

.btn-nav {
  background: var(--grad-h) !important; color: #fff !important;
  padding: 9px 22px !important; border-radius: var(--radius-sm) !important;
  font-weight: 600 !important; font-size: 15px;
  box-shadow: 0 2px 12px rgba(0,201,224,0.22);
  transition: opacity 0.2s, transform 0.2s !important;
}
.btn-nav:hover { opacity: 0.9; transform: translateY(-1px) !important; }

/* Mobile hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); border-radius: 2px; transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none; position: absolute; top: 72px; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 16px 28px 20px; flex-direction: column; gap: 4px;
  box-shadow: 0 8px 30px rgba(13,43,62,0.08);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 500; color: var(--text-mid);
  transition: background 0.15s, color 0.15s;
}
.mobile-menu a:hover { background: var(--light-bg); color: var(--teal); }
.mobile-menu .m-sep { height: 1px; background: var(--border); margin: 6px 0; }
.mobile-menu .m-cta { color: var(--teal) !important; font-weight: 700 !important; }

/* ══════════════════════════════════════════════════════════════
   INNER PAGE HERO BANNER
   ══════════════════════════════════════════════════════════════ */
.page-hero {
  background: var(--grad);
  padding: 140px 28px 80px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='1' fill='rgba(255,255,255,0.04)'/%3E%3C/svg%3E");
  pointer-events: none;
}
.page-hero-wrap {
  max-width: 1200px; margin: 0 auto; position: relative; z-index: 2;
}
.page-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,201,224,0.14); border: 1px solid rgba(0,201,224,0.28);
  color: var(--cyan); font-size: 12px; font-weight: 700;
  padding: 5px 14px; border-radius: 100px; letter-spacing: 0.8px;
  margin-bottom: 18px;
}
.page-hero h1 {
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 900; color: #fff;
  line-height: 1.1; letter-spacing: -1px; margin-bottom: 16px;
}
.page-hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #00C9E0, #7ee8f5);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero p {
  font-size: 18px; color: rgba(255,255,255,0.65);
  line-height: 1.72; max-width: 620px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: rgba(255,255,255,0.48);
  margin-bottom: 22px;
}
.breadcrumb a { color: rgba(255,255,255,0.55); transition: color 0.18s; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { color: rgba(255,255,255,0.3); }

/* ══════════════════════════════════════════════════════════════
   SHARED CTA SECTION
   ══════════════════════════════════════════════════════════════ */
.cta-sec {
  background: var(--grad);
  padding: 96px 28px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-sec::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.cta-sec .wrap { position: relative; z-index: 2; }
.cta-sec h2 {
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 900; color: #fff; margin-bottom: 14px; letter-spacing: -0.5px;
}
.cta-sec > .wrap > p {
  font-size: 18px; color: rgba(255,255,255,0.65); margin-bottom: 38px;
}
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
footer { background: var(--navy); padding: 72px 28px 28px; }
.foot-wrap { max-width: 1200px; margin: 0 auto; }

.foot-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}

.foot-brand img {
  height: 42px; margin-bottom: 16px;
  filter: brightness(0) invert(1) opacity(0.88);
}
.foot-brand p { font-size: 13.5px; color: rgba(255,255,255,0.47); line-height: 1.75; margin-bottom: 22px; }

.foot-contacts a {
  display: flex; align-items: center; gap: 9px;
  color: rgba(255,255,255,0.5); font-size: 13px;
  margin-bottom: 9px; transition: color 0.18s;
}
.foot-contacts a:hover { color: var(--cyan); }
.foot-contacts .fc-icon { font-size: 14px; width: 18px; flex-shrink: 0; }

.foot-col h5 {
  font-size: 11.5px; font-weight: 700; color: #fff;
  letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 18px;
}
.foot-col li { margin-bottom: 9px; }
.foot-col li a { font-size: 14px; color: rgba(255,255,255,0.47); transition: color 0.18s; }
.foot-col li a:hover { color: var(--cyan); }

.foot-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.foot-bottom p { font-size: 13px; color: rgba(255,255,255,0.30); }
.foot-bottom p span { color: var(--cyan); }

.socials { display: flex; gap: 10px; }
.s-link {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.45); font-size: 14px; font-weight: 700;
  transition: background 0.2s, color 0.2s;
}
.s-link:hover { background: rgba(0,201,224,0.2); color: var(--cyan); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — shared breakpoints
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .foot-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  section { padding: 68px 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .foot-top { grid-template-columns: 1fr; gap: 28px; }
  .page-hero { padding: 128px 20px 64px; }
}
@media (max-width: 480px) {
  section { padding: 56px 16px; }
}