/* =========================================================================
   مسنه — Msnah marine app website
   Design system mirrored from the app's "Charted" DT tokens.
   Dark-first marine palette · RTL Arabic · nautical depth-chart aesthetic.
   ========================================================================= */

:root {
  /* Backgrounds (dark marine) */
  --bg:           #0B1232;
  --bg-deep:      #070C24;
  --bg-elevated:  #131A3F;
  --bg-card:      #1B2350;

  /* Ink / text */
  --ink:   #F5F7FF;
  --ink2:  #B8C2E8;
  --ink3:  #7C87B8;

  /* CTA — sky cyan */
  --cta:        #0EA5E9;
  --cta-light:  #38BDF8;
  --cta-ink:    #061025;

  /* Category / marker colors */
  --c-fishing: #F59E0B;
  --c-island:  #C7B26A;
  --c-ramp:    #38BDF8;
  --c-warning: #FF5A5F;
  --c-line:    #A78BFA;
  --c-saved:   #34D399;

  /* Status */
  --danger:  #FF5A5F;
  --warn:    #F59E0B;
  --success: #34D399;

  /* Hairlines */
  --line:  rgba(255, 255, 255, 0.08);
  --line2: rgba(255, 255, 255, 0.14);

  /* Radii */
  --r-pill:  999px;
  --r-card:  16px;
  --r-cta:   14px;
  --r-input: 12px;

  /* Fonts */
  --font-display: "Cairo", "Tajawal", system-ui, sans-serif;
  --font-body:    "Tajawal", "Cairo", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1160px;
  --shadow-glow: 0 0 0 1px rgba(56, 189, 248, 0.25), 0 18px 50px -12px rgba(14, 165, 233, 0.45);
}

/* ----------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 17px;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Atmospheric background: deep navy + cyan glows + nautical chart grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 600px at 85% -5%, rgba(14, 165, 233, 0.20), transparent 60%),
    radial-gradient(700px 500px at 10% 10%, rgba(52, 211, 153, 0.10), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(184, 194, 232, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(184, 194, 232, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(1200px 900px at 70% 0%, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(1200px 900px at 70% 0%, #000 35%, transparent 80%);
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: var(--cta-light); text-decoration: none; }
a:hover { color: var(--ink); }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 900; line-height: 1.25; margin: 0; }

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.mono { font-family: var(--font-mono); letter-spacing: -0.02em; }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(11, 18, 50, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 70px;
}
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 900; font-size: 22px; color: var(--ink); }
.brand .mark { width: 40px; height: 40px; flex: none; border-radius: 11px; background: #0B1232; border: 1px solid rgba(56, 189, 248, 0.35); object-fit: contain; }
.nav-links { display: flex; gap: 26px; margin-inline-start: auto; }
.nav-links a { color: var(--ink2); font-weight: 500; font-size: 16px; position: relative; }
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; inset-inline-start: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--cta-light); transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta { margin-inline-start: 8px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); cursor: pointer; padding: 6px; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  padding: 12px 22px;
  border-radius: var(--r-cta);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, var(--cta-light), var(--cta));
  color: var(--cta-ink);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); color: var(--cta-ink); box-shadow: 0 0 0 1px rgba(56,189,248,0.5), 0 22px 60px -10px rgba(14,165,233,0.6); }
.btn-ghost { background: rgba(255,255,255,0.04); border-color: var(--line2); color: var(--ink); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); color: var(--ink); transform: translateY(-2px); }
.btn-lg { padding: 15px 28px; font-size: 18px; }

/* App Store badge */
.appstore-badge { display: inline-flex; align-items: center; line-height: 0; transition: transform .15s ease, opacity .15s ease; }
.appstore-badge img { height: 56px; width: auto; display: block; border-radius: 11px; box-shadow: 0 0 0 1px rgba(245,247,255,.16); }
.appstore-badge:hover { transform: translateY(-2px); }
.appstore-badge:hover img { opacity: .92; }
.cta-band .appstore-badge img { height: 60px; }

/* ------------------------------------------------------------------ hero */
.hero { position: relative; padding: 86px 0 70px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cta-light);
  background: rgba(56, 189, 248, 0.10);
  border: 1px solid rgba(56, 189, 248, 0.28);
  padding: 7px 15px;
  border-radius: var(--r-pill);
  margin-bottom: 22px;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-saved); box-shadow: 0 0 12px var(--c-saved); }
.hero h1 { font-size: clamp(38px, 6vw, 64px); letter-spacing: -0.01em; }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--cta-light), var(--c-saved));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--ink2); max-width: 46ch; margin: 22px 0 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 42px; flex-wrap: wrap; }
.hero-stats .stat strong { font-family: var(--font-display); font-size: 30px; display: block; color: var(--ink); }
.hero-stats .stat span { color: var(--ink3); font-size: 14px; }

/* Phone mockup + sonar */
.hero-visual { position: relative; display: grid; place-items: center; min-height: 520px; }
.sonar { position: absolute; width: 320px; height: 320px; }
.sonar span {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.4);
  animation: ping 3.4s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.sonar span:nth-child(2) { animation-delay: 1.1s; }
.sonar span:nth-child(3) { animation-delay: 2.2s; }
@keyframes ping {
  0%   { transform: scale(0.35); opacity: 0.9; }
  80%  { opacity: 0; }
  100% { transform: scale(1.4); opacity: 0; }
}
.phone {
  position: relative;
  width: 270px;
  aspect-ratio: 9 / 19.5;
  border-radius: 42px;
  padding: 12px;
  background: linear-gradient(160deg, #2a3566, #10173a);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.7), inset 0 0 0 1px var(--line2);
}
.phone::before { /* notch */
  content: ""; position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  width: 92px; height: 22px; border-radius: 12px; background: #05081c; z-index: 3;
}
.phone-screen {
  width: 100%; height: 100%; border-radius: 32px; overflow: hidden;
  background: #070B1E;
  display: grid; place-items: center;
  position: relative;
}
.phone-screen img { width: 100%; height: 100%; object-fit: contain; }
.phone-screen .placeholder {
  text-align: center; color: var(--ink3); font-size: 14px; padding: 20px; line-height: 1.9;
}
.phone-screen .placeholder svg { margin-inline: auto; margin-bottom: 12px; }

/* ---------------------------------------------------------------- common */
.section { padding: 76px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-head .kicker { color: var(--cta-light); font-weight: 700; font-size: 15px; letter-spacing: 0.02em; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); margin: 12px 0 14px; }
.section-head p { color: var(--ink2); font-size: 18px; }

/* --------------------------------------------------------------- features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 28px 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}
.feature:hover { transform: translateY(-4px); border-color: rgba(56,189,248,0.35); box-shadow: 0 20px 50px -20px rgba(14,165,233,0.4); }
.feature .icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
}
.feature h3 { font-size: 21px; margin-bottom: 8px; }
.feature p { color: var(--ink2); font-size: 16px; margin: 0; }
/* per-category icon tints */
.ic-fishing { background: rgba(245,158,11,0.14); color: var(--c-fishing); }
.ic-ramp    { background: rgba(56,189,248,0.14); color: var(--c-ramp); }
.ic-island  { background: rgba(199,178,106,0.16); color: var(--c-island); }
.ic-warning { background: rgba(255,90,95,0.14); color: var(--c-warning); }
.ic-saved   { background: rgba(52,211,153,0.14); color: var(--c-saved); }
.ic-line    { background: rgba(167,139,250,0.16); color: var(--c-line); }

/* -------------------------------------------------------------- screens */
.screens-rail {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.screens-rail::-webkit-scrollbar { height: 8px; }
.screens-rail::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 999px; }
.shot {
  flex: 0 0 auto;
  width: 240px;
  aspect-ratio: 9 / 19.5;
  border-radius: 34px;
  padding: 10px;
  background: linear-gradient(160deg, #2a3566, #10173a);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.7), inset 0 0 0 1px var(--line2);
  scroll-snap-align: center;
}
.shot .inner {
  width: 100%; height: 100%; border-radius: 26px; overflow: hidden;
  background: #070B1E; display: grid; place-items: center;
  color: var(--ink3); font-size: 13px; text-align: center; padding: 16px;
}
.shot .inner:has(img) { padding: 0; }
.shot .inner img { width: 100%; height: 100%; object-fit: contain; }

/* --------------------------------------------------------------- pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 820px;
  margin-inline: auto;
}
.plan {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 32px 28px;
  position: relative;
}
.plan.pro { border-color: rgba(56,189,248,0.45); box-shadow: var(--shadow-glow); }
.plan .plan-tag {
  position: absolute; top: 18px; inset-inline-start: 28px;
  background: var(--cta); color: var(--cta-ink); font-weight: 700; font-size: 13px;
  padding: 4px 12px; border-radius: var(--r-pill);
}
.plan h3 { font-size: 24px; margin-bottom: 6px; }
.plan .price { font-family: var(--font-display); font-size: 40px; font-weight: 900; margin: 14px 0 2px; }
.plan .price small { font-size: 16px; color: var(--ink3); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 26px; display: grid; gap: 13px; }
.plan li { display: flex; align-items: flex-start; gap: 10px; color: var(--ink2); }
.plan li svg { flex: none; margin-top: 4px; }
.plan li.muted { color: var(--ink3); }

/* -------------------------------------------------------------------- faq */
.faq { max-width: 760px; margin-inline: auto; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  background: var(--bg-elevated);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 22px;
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev { transition: transform 0.25s ease; color: var(--cta-light); flex: none; }
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq .answer { padding: 0 22px 20px; color: var(--ink2); }

/* --------------------------------------------------------------- cta band */
.cta-band {
  position: relative;
  text-align: center;
  background: linear-gradient(135deg, rgba(14,165,233,0.16), rgba(52,211,153,0.10));
  border: 1px solid rgba(56,189,248,0.3);
  border-radius: 28px;
  padding: 60px 28px;
  overflow: hidden;
}
.cta-band h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; }
.cta-band p { color: var(--ink2); font-size: 18px; margin-bottom: 28px; }

/* --------------------------------------------------------------- footer */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 80px;
  padding: 54px 0 36px;
  background: var(--bg-deep);
}
.footer-grid { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer-brand { max-width: 320px; }
.footer-brand p { color: var(--ink3); font-size: 15px; margin-top: 14px; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h4 { font-size: 15px; color: var(--ink); margin-bottom: 14px; font-family: var(--font-display); }
.footer-col a { display: block; color: var(--ink3); font-size: 15px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--cta-light); }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line);
  color: var(--ink3); font-size: 14px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ----------------------------------------------------------- legal pages */
.legal-hero { padding: 60px 0 30px; }
.legal-hero h1 { font-size: clamp(32px, 5vw, 48px); }
.legal-hero .updated { color: var(--ink3); margin-top: 10px; font-size: 15px; }
.legal-layout { display: grid; grid-template-columns: 240px 1fr; gap: 44px; align-items: start; padding-bottom: 40px; }
.legal-toc {
  position: sticky; top: 90px;
  background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 20px;
}
.legal-toc h4 { font-size: 14px; color: var(--ink3); margin-bottom: 12px; font-weight: 700; }
.legal-toc a { display: block; color: var(--ink2); font-size: 15px; margin-bottom: 9px; }
.legal-toc a:hover { color: var(--cta-light); }
.legal-content { max-width: 760px; }
.legal-content section { margin-bottom: 36px; scroll-margin-top: 90px; }
.legal-content h2 {
  font-size: 24px; margin-bottom: 14px; padding-inline-start: 14px;
  border-inline-start: 4px solid var(--cta);
}
.legal-content h3 { font-size: 19px; margin: 20px 0 10px; color: var(--ink); }
.legal-content p, .legal-content li { color: var(--ink2); }
.legal-content ul { padding-inline-start: 22px; }
.legal-content li { margin-bottom: 8px; }
.legal-content a { text-decoration: underline; }
.callout {
  background: rgba(56,189,248,0.08); border: 1px solid rgba(56,189,248,0.25);
  border-radius: var(--r-input); padding: 16px 18px; color: var(--ink2); margin: 18px 0;
}
.callout.warn { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.3); }

/* -------------------------------------------------------------- contact */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
  border: 1px solid var(--line); border-radius: var(--r-card); padding: 26px 22px; text-align: center;
}
.contact-card .icon { width: 50px; height: 50px; margin: 0 auto 16px; border-radius: 14px; display: grid; place-items: center; }
.contact-card h3 { font-size: 19px; margin-bottom: 6px; }
.contact-card p { color: var(--ink2); font-size: 15px; margin: 0 0 14px; }
.contact-card .mono { color: var(--cta-light); font-size: 15px; }

/* steps */
.steps { counter-reset: step; max-width: 720px; margin-inline: auto; }
.step { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.step .num {
  counter-increment: step; flex: none; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(56,189,248,0.14); color: var(--cta-light); display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 900;
}
.step .num::before { content: counter(step); }
.step h3 { font-size: 19px; margin-bottom: 5px; }
.step p { color: var(--ink2); margin: 0; }

/* --------------------------------------------------------------- reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------- responsive */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 440px; order: -1; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav-links {
    display: none; position: absolute; top: 70px; inset-inline: 0; flex-direction: column; gap: 0;
    background: rgba(11,18,50,0.97); border-bottom: 1px solid var(--line); padding: 8px 20px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-grid; margin-inline-start: auto; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-cols { gap: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}