/*
  ComSetu marketing site — design tokens transcribed verbatim from
  appdesign/agraone/DESIGN.md (the same source of truth the Flutter app's
  AppColors and the Angular admin's _tokens.scss are kept in sync with).
  Bootstrap 5 is loaded before this file and re-skinned via its own CSS
  custom properties (--bs-*) below, rather than fought with overrides.
*/

:root {
  /* Colors — DESIGN.md */
  --color-primary: #51000d;
  --color-on-primary: #ffffff;
  --color-primary-container: #7a0019;
  --color-on-primary-container: #ff7b7f;
  --color-secondary: #755b00;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #fed255;
  --color-on-secondary-container: #735a00;
  --color-tertiary: #4e051a;
  --color-on-tertiary: #ffffff;
  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;

  --color-surface: #fcf9f8;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f6f3f2;
  --color-surface-container: #f0eded;
  --color-surface-container-high: #eae7e7;
  --color-surface-dim: #dcd9d9;
  --color-on-surface: #1b1c1c;
  --color-on-surface-variant: #584141;
  --color-outline: #8c7070;
  --color-outline-variant: #e0bfbe;
  --color-inverse-surface: #303030;
  --color-inverse-on-surface: #f3f0ef;

  /* Radii */
  --radius-sm: 0.25rem;
  --radius-default: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Spacing (8px base rhythm) */
  --space-xs: 4px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --container-margin: 20px;

  /* Elevation — DESIGN.md "Elevation & Depth" */
  --shadow-card: 0 4px 20px rgba(37, 37, 37, 0.05);
  --shadow-floating: 0 8px 30px rgba(122, 0, 25, 0.1);

  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-script: "Dancing Script", cursive;

  /* Re-skin Bootstrap 5 to the brand instead of overriding every component. */
  --bs-primary: var(--color-primary);
  --bs-primary-rgb: 81, 0, 13;
  --bs-secondary: var(--color-secondary);
  --bs-secondary-rgb: 117, 91, 0;
  --bs-body-color: var(--color-on-surface);
  --bs-body-bg: var(--color-surface);
  --bs-body-font-family: var(--font-sans);
  --bs-border-radius: var(--radius-default);
  --bs-border-radius-sm: var(--radius-sm);
  --bs-border-radius-lg: var(--radius-md);
  --bs-border-radius-xl: var(--radius-lg);
  --bs-link-color: var(--color-primary);
  --bs-link-hover-color: var(--color-tertiary);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-on-surface);
  background: var(--color-surface);
}

.script-accent {
  font-family: var(--font-script);
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1.3;
}

/* ------------------------------------------------------------- Typography */
h1, h2, h3, h4, .display-headline {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-on-surface);
}
.text-primary-brand { color: var(--color-primary) !important; }
.text-secondary-brand { color: var(--color-secondary) !important; }
.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}
.lead-muted { color: var(--color-on-surface-variant); }

/* Skip-to-content link — visually hidden until focused (keyboard a11y) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 2000;
  border-radius: 0 0 var(--radius-default) 0;
}
.skip-link:focus { left: 0; }

/* ------------------------------------------------------------------ Nav */
.navbar-comsetu {
  background: rgba(252, 249, 248, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  transition: box-shadow 0.2s ease;
}
.navbar-comsetu.is-scrolled { box-shadow: var(--shadow-card); }
.navbar-comsetu .navbar-brand { display: flex; align-items: center; gap: 0.6rem; }
.navbar-comsetu .brand-mark { height: 40px; width: 40px; object-fit: contain; }
.navbar-comsetu .brand-text { line-height: 1.1; }
.navbar-comsetu .brand-text .brand-name { font-weight: 800; font-size: 1.25rem; color: var(--color-primary); }
.navbar-comsetu .brand-text .brand-tagline { font-size: 0.7rem; color: var(--color-on-surface-variant); letter-spacing: 0.02em; }
.navbar-comsetu .nav-link {
  position: relative;
  font-weight: 600;
  color: var(--color-on-surface);
  padding: 0.5rem 1rem !important;
  transition: color 0.2s ease;
}
.navbar-comsetu .nav-link.active,
.navbar-comsetu .nav-link:hover { color: var(--color-primary); }
.navbar-comsetu .nav-link::after {
  content: "";
  position: absolute;
  left: 1rem; right: 1rem; bottom: 0.1rem;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.navbar-comsetu .nav-link.active::after,
.navbar-comsetu .nav-link:hover::after { transform: scaleX(1); }

/* ------------------------------------------------------------- Buttons */
.btn-brand-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-container));
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-default);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  box-shadow: var(--shadow-floating);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-brand-primary:hover, .btn-brand-primary:focus {
  color: var(--color-on-primary);
  transform: translateY(-1px);
  box-shadow: 0 10px 34px rgba(117, 91, 0, 0.28);
}
.btn-brand-outline {
  background: #fff;
  color: var(--color-primary);
  border: 1.5px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.btn-brand-outline:hover, .btn-brand-outline:focus {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.btn-brand-white {
  background: #fff;
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-default);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
}
.btn-brand-white:hover { color: var(--color-tertiary); }

/* --------------------------------------------------------------- Cards */
.card-surface {
  background: var(--color-surface-container-lowest);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card-surface.card-gold-edge { border: 1px solid var(--color-outline-variant); }
a:hover > .card-surface,
.card-surface:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-floating);
}

.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
a:hover > .card-surface .icon-badge,
.card-surface:hover .icon-badge { transform: scale(1.08) rotate(-4deg); }
.icon-badge.badge-maroon { background: var(--color-primary); color: var(--color-on-primary); }
.icon-badge.badge-gold { background: var(--color-secondary-container); color: var(--color-on-secondary-container); }
.icon-badge.badge-soft { background: rgba(81, 0, 13, 0.08); color: var(--color-primary); }

.feature-card {
  padding: var(--space-lg);
  height: 100%;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
}

/* ------------------------------------------------------------ Sections */
.section-py { padding-top: var(--space-xxl); padding-bottom: var(--space-xxl); }
.bg-surface-soft { background: var(--color-surface-container-low); }
.bg-hero-gradient {
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(254, 210, 85, 0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(122, 0, 25, 0.07), transparent 60%),
    var(--color-surface);
}
.bg-brand-band {
  background: linear-gradient(120deg, var(--color-primary), var(--color-tertiary));
  color: #fff;
}
.bg-brand-band .script-accent { color: rgba(255, 255, 255, 0.75); }

/* --------------------------------------------------------- Device mockup */
/* A lightweight, real-CSS phone+laptop mockup showing a simplified ComSetu
   dashboard — used in every hero instead of a cropped screenshot, so it
   stays crisp at any size and the "content" inside can be tuned per page. */
.device-mockup { position: relative; }
.device-laptop {
  background: #1b1c1c;
  border-radius: 14px;
  padding: 10px 10px 26px;
  box-shadow: var(--shadow-floating);
}
.device-laptop::after {
  content: "";
  display: block;
  height: 6px;
  width: 70px;
  margin: 8px auto 0;
  background: #3a3a3a;
  border-radius: var(--radius-full);
}
.device-screen {
  background: var(--color-surface-container-lowest);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.7rem;
}
.device-screen .screen-topbar {
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  font-weight: 700;
}
.device-screen .screen-topbar img { height: 18px; width: 18px; }
.device-screen .screen-body { padding: 0.75rem; }
.device-stat {
  background: var(--color-surface-container-low);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  text-align: center;
}
.device-stat .stat-num { font-weight: 800; color: var(--color-primary); display: block; font-size: 0.9rem; }
.device-stat .stat-label { color: var(--color-on-surface-variant); font-size: 0.6rem; }
.device-sparkline {
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(81,0,13,0.12), rgba(81,0,13,0));
  position: relative;
  overflow: hidden;
}
.device-sparkline svg { display: block; width: 100%; height: 100%; }

.device-phone {
  position: absolute;
  right: -6%;
  bottom: -12%;
  width: 46%;
  background: #1b1c1c;
  border-radius: 28px;
  padding: 10px;
  box-shadow: var(--shadow-floating);
}
.device-phone .device-screen { border-radius: 18px; }
.device-phone .screen-notch {
  width: 40%;
  height: 14px;
  background: #1b1c1c;
  border-radius: 0 0 10px 10px;
  margin: 0 auto;
  position: relative;
  top: 0;
}

@media (max-width: 767.98px) {
  .device-phone { position: static; width: 70%; margin: 1.25rem auto 0; }
}

/* --------------------------------------------------------------- Footer */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.85); }
.site-footer a { color: rgba(255,255,255,0.85); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer h6 { color: #fff; font-weight: 700; margin-bottom: var(--space-md); }
.site-footer .social-icon {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  color: #fff;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.site-footer .social-icon:hover { background: var(--color-secondary-container); color: var(--color-on-secondary-container); transform: translateY(-3px) scale(1.08); }
.footer-cta-band { background: linear-gradient(120deg, var(--color-primary), var(--color-tertiary)); color: #fff; }

/* ------------------------------------------------------------ Pricing */
.plan-card { border-radius: var(--radius-lg); padding: var(--space-lg); height: 100%; background: #fff; box-shadow: var(--shadow-card); border: 1px solid var(--color-outline-variant); position: relative; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.plan-card:not(.plan-featured):hover { transform: translateY(-4px); box-shadow: var(--shadow-floating); }
.plan-card.plan-featured {
  background: linear-gradient(160deg, var(--color-primary), var(--color-tertiary));
  color: #fff;
  box-shadow: var(--shadow-floating);
  border: none;
  transform: translateY(-8px);
}
.plan-card.plan-featured:hover { transform: translateY(-11px); }
.plan-card.plan-featured .plan-desc,
.plan-card.plan-featured .plan-price small { color: rgba(255,255,255,0.8) !important; }
.plan-card.plan-featured .list-check { color: #fff; }
.plan-ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--color-secondary-container); color: var(--color-on-secondary-container);
  font-size: 0.75rem; font-weight: 800; border-radius: var(--radius-full);
  padding: 0.3rem 0.9rem; white-space: nowrap;
}
.plan-price { font-size: 2.25rem; font-weight: 800; }
.list-check { list-style: none; padding-left: 0; }
.list-check li { display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.5rem; color: var(--color-on-surface-variant); }
.list-check.on-dark li { color: rgba(255,255,255,0.9); }
.list-check li i { color: var(--color-primary); margin-top: 0.15rem; }
.list-check.on-dark li i { color: var(--color-secondary-container); }

.compare-table th, .compare-table td { vertical-align: middle; }
.compare-table thead th { background: var(--color-surface-container-low); font-weight: 700; }

/* ----------------------------------------------------------- Timeline */
.milestone-track { position: relative; }
.milestone-track::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 26px; height: 2px;
  background: var(--color-outline-variant);
}
.milestone-dot {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary); color: #fff; position: relative; z-index: 1;
  margin: 0 auto var(--space-sm);
}

/* Added for about.php: milestone-track::before assumes a single-row layout.
   Below lg the 6-item timeline wraps onto multiple rows (row-cols-2/3), so the
   fixed-position connecting line would cut across unrelated rows — hide it
   there and keep the plain stacked dots/labels instead. */
@media (max-width: 991.98px) {
  .milestone-track::before { display: none; }
}

/* ------------------------------------------------------------- Utility */
.testimonial-card { padding: var(--space-lg); }
.testimonial-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.stat-tile { text-align: center; padding: var(--space-md); }
.stat-tile .stat-value { font-size: 1.75rem; font-weight: 800; color: var(--color-primary); }
.stat-tile .stat-label { color: var(--color-on-surface-variant); font-size: 0.85rem; }

.back-to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 1030;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: #fff; border: none;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-floating);
  opacity: 0;
  transform: translateY(12px) scale(0.85);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.back-to-top.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px) scale(1.05); }
.back-to-top.show:hover { transform: translateY(-3px) scale(1.05); }

.form-control, .form-select {
  background: var(--color-surface-container-low);
  border: 1px solid transparent;
  border-radius: var(--radius-default);
  padding: 0.75rem 1rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem rgba(81, 0, 13, 0.12);
  background: var(--color-surface-container-lowest);
}
label.form-label { font-weight: 600; font-size: 0.9rem; }

.accordion-button:not(.collapsed) {
  background: rgba(81, 0, 13, 0.06);
  color: var(--color-primary);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: 0 0 0 0.2rem rgba(81, 0, 13, 0.12); }
.accordion-button::after { transition: transform 0.25s ease; }

/* ============================================================ Animations
   A single, site-wide scroll-reveal system driven from assets/js/main.js
   (IntersectionObserver), instead of hand-adding a class to every section
   of every page — see main.js's initScrollReveal() for exactly which
   elements it targets. Reveals only happen ONCE per element (unobserved
   after showing) so re-scrolling past a section doesn't replay it.
   Respects prefers-reduced-motion: reduce by skipping the hidden-until-
   scrolled state entirely, so motion-sensitive visitors see content
   immediately with no animation at all. */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0s);
    will-change: opacity, transform;
  }
  [data-reveal="fade"] { transform: none; }
  [data-reveal="zoom"] { transform: scale(0.94); }
  [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
  }
}

/* Page-load fade so navigating between pages doesn't feel like a hard cut. */
body { animation: pageFadeIn 0.35s ease; }
@keyframes pageFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}