/* Sit Space – Fully Rewritten CSS (Mobile‑Optimized, Light‑Mode Only) */

:root {
  --navy: #0e0e2f;
  --lavender: #b69cd6;
  --sit-green: #4a7c59;
  --sit-green-dark: #3b6447;
  --sit-soft: #a5c882;
  --card-bg: rgba(255, 255, 255, 0.92);
  --card-border: #e5e2f0;
  --page-bg: #f7f6fb;
}

/* -------------------------------------------------- */
/* Base Reset & Structure                              */
/* -------------------------------------------------- */
* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: #1f2136;
  background: radial-gradient(circle at top, #fdfbff 0%, var(--page-bg) 45%, #efeaf8 100%);
  overscroll-behavior: none;
}

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

/* Prevent iPhone Dark Mode */
html {
  color-scheme: light;
}

/* -------------------------------------------------- */
/* Navigation                                          */
/* -------------------------------------------------- */
.sit-nav {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid #e4e2ef;
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-brand img {
  width: 140px;
  height: auto;
}

.navbar .nav-link {
  font-size: 0.95rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  color: #444a67;
  transition: 0.2s ease;
}

.navbar .nav-link:hover {
  background: #f0ecfb;
  color: #1f2136;
}

.navbar .nav-link.active {
  background: var(--lavender);
  color: var(--navy) !important;
}

/* -------------------------------------------------- */
/* Hero Section                                        */
/* -------------------------------------------------- */
.hero {
  padding: 4rem 0 3rem;
}

.hero-ambient {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.hero-inner {
  background: var(--card-bg);
  border-radius: 24px;
  border: 1px solid var(--card-border);
  box-shadow: 0 18px 38px rgba(14, 14, 47, 0.18);
  padding: 2.5rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.1rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  color: var(--navy);
}

.hero .lead {
  font-size: 1.08rem;
  margin-bottom: 1.5rem;
  color: #4b4e72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.hero-ambient::before,
.hero-ambient::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(24px);
  opacity: 0.83;
}

.hero-ambient::before {
  inset: -40% 25% auto -10%;
  background: radial-gradient(circle at 10% 20%, rgba(182, 156, 214, 0.38), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(74, 124, 89, 0.35), transparent 60%);
}

.hero-ambient::after {
  inset: auto -15% -45% 30%;
  background: radial-gradient(circle at 30% 40%, rgba(165, 200, 130, 0.35), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(14, 14, 47, 0.25), transparent 65%);
}

/* -------------------------------------------------- */
/* Section Panels                                      */
/* -------------------------------------------------- */
.section-panel {
  padding: 3rem 0 3.5rem;
}

.panel-card,
.card {
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--card-border);
  box-shadow: 0 14px 28px rgba(14, 14, 47, 0.16);
  padding: 2rem;
}

.card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
  color: var(--navy);
}

/* -------------------------------------------------- */
/* Mockup Handling                                     */
/* -------------------------------------------------- */
.mockup-image-wrap {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(14, 14, 47, 0.22);
  max-width: 100%;
}

#mockup img {
  width: 100%;
  height: auto;
  display: block;
}

/* -------------------------------------------------- */
/* Buttons                                             */
/* -------------------------------------------------- */
.btn-primary {
  background-color: var(--sit-green);
  border-color: var(--sit-green);
  border-radius: 999px;
  padding: 0.65rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  color: white;
  transition: 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--sit-green-dark);
  border-color: var(--sit-green-dark);
}

.btn-outline-light {
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: white;
  padding: 0.65rem 1.5rem;
}

/* -------------------------------------------------- */
/* Footer                                              */
/* -------------------------------------------------- */
.sit-footer {
  background: var(--navy);
  color: #ffffff;
  padding: 2.5rem 1.25rem;
  text-align: center;
}

.sit-footer .footer-link {
  color: var(--lavender);
  text-decoration: none;
  font-size: 0.92rem;
  transition: 0.2s ease;
}

.sit-footer .footer-link:hover {
  text-decoration: underline;
}

.sit-footer .dot {
  padding: 0 0.4rem;
  color: #636489;
}

/* -------------------------------------------------- */
/* Forms                                               */
/* -------------------------------------------------- */
form .form-control {
  border-radius: 12px;
  border-color: #d8d5ea;
  padding: 0.65rem 0.8rem;
}

form .form-control:focus {
  border-color: var(--lavender);
  box-shadow: 0 0 0 0.15rem rgba(182, 156, 214, 0.35);
}

/* -------------------------------------------------- */
/* Mobile Breakpoints                                  */
/* -------------------------------------------------- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.7rem;
  }

  .hero .lead {
    font-size: 1rem;
  }

  .panel-card,
  .card {
    padding: 1.5rem;
  }
}