/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── TOKENS ── */
:root {
  /* ── Light grayscale base ──
     Named per common web-color conventions, lightest to darkest:
     Whitesmoke → Gainsboro → Light Gray → Dim Gray → Eerie Black */
  --bg:           #f5f5f5;  /* Whitesmoke  — main page background, softer than pure white   */
  --bg-surface:   #e8e8e8;  /* Gainsboro   — card / section backgrounds, one step darker     */
  --bg-nav:       #009E60;  /* Shamrock Green — navbar sits above everything, kept brightest    */

  --accent:       #4eca6e;  /* Mantis Green — D.O.R.M.S. brand green, kept as the one pop of color */
  --accent-dim:   #3aaa58;  /* Sea Green    — darker green for hover/active states          */

  --white:        #ffffff;  /* White       — base for text-on-dark and card fills            */
  --text-body:    #4a4a4a;  /* Davy's Gray  — primary readable body text on light background */
  --text-muted:   #3a3131;  /* Dim Gray     — secondary/muted text, labels, footnotes        */
  --text-heading: #1f1f1f;  /* Eerie Black  — headline text, max contrast on light bg        */

  --btn-primary:   #3a9147; /* Sea Green (darker) — primary button fill                      */
  --btn-primary-h: #2d7a3a; /* Hunter Green        — primary button hover                    */
  --btn-ghost-b:   rgba(0,0,0,0.18); /* translucent black border for ghost buttons on light bg */

  --border:       #d4d4d4;  /* Light Gray  — hairline borders/dividers on light surfaces      */
  --shadow:       rgba(0,0,0,0.10); /* soft black shadow, lighter than dark-theme version     */

  --radius:       10px;
  --nav-h:        68px;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text-heading);  /* Eerie Black — default text now dark-on-light, inverted from before */
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── NAVBAR ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--bg-nav);
  display: flex;
  align-items: center;
  padding: 0 60px;
  gap: 0;
  border-bottom: 1px solid var(--border); /* Light Gray hairline, replaces dark theme's faint green line */
  box-shadow: 0 1px 4px var(--shadow);    /* tiny lift so the white navbar separates from the page bg   */
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: 56px;
  flex-shrink: 0;
}

.nav-brand-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(145deg, #4eca6e, #2d7a3a);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 12px rgba(78,202,110,0.35);
}

.nav-brand-text {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);  /* Eerie Black — was white, now dark since navbar bg is light */
  letter-spacing: -0.01em;
}

.nav-brand-text span { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  padding: 8px 18px;
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: color 0.18s, background 0.18s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-heading);  /* Eerie Black — was white, now dark text on light hover background */
  background: rgba(78,202,110,0.12);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--btn-ghost-b);
  color: var(--text-heading);  /* Eerie Black — was white, ghost button text now dark on light bg */
  padding: 8px 22px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.18s, background 0.18s;
}
.btn-ghost:hover { border-color: var(--accent); background: rgba(78,202,110,0.08); }

.btn-primary {
  background: var(--btn-primary);
  color: var(--white);
  border: none;
  padding: 9px 24px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.18s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary:hover { background: var(--btn-primary-h); }

.user-pill {
  display: flex; align-items: center; gap: 8px;
  background: rgba(78,202,110,0.1);
  border: 1.5px solid rgba(78,202,110,0.25);
  border-radius: 999px;
  padding: 5px 14px 5px 6px;
}
.user-pill .av {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.72rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.user-pill span { font-size: 0.85rem; font-weight: 500; color: var(--text-heading); }  /* Eerie Black — was white */

.btn-logout {
  background: none; border: none;
  color: var(--text-muted);
  font-size: 0.8rem; font-family: 'Inter', sans-serif;
  cursor: pointer; text-decoration: underline;
}

/* ── HERO ── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
}

/* Subtle radial glow bottom-left — the one "signature" element */
.hero::before {
  content: '';
  position: absolute;
  left: -160px; bottom: -160px;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78,202,110,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  flex: 1;
  max-width: 560px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  border: 1px solid rgba(78,202,110,0.3);
  padding: 4px 12px;
  border-radius: 999px;
}

.hero-headline {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-heading);  /* Eerie Black — was white, headline now dark-on-light */
  margin-bottom: 24px;
}

.hero-headline em {
  font-style: normal;
  color: var(--accent);
}

.hero-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  max-width: 440px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-cta .btn-primary { font-size: 0.95rem; padding: 12px 30px; }
.hero-cta .btn-ghost   { font-size: 0.95rem; padding: 12px 30px; }

/* ── HERO IMAGE CLUSTER ── */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  z-index: 1;
  padding-left: 60px;
}

.img-cluster {
  position: relative;
  width: 520px;
  height: 380px;
}

.img-card {
  position: absolute;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: 0 24px 64px var(--shadow); /* shadow now light/soft, not heavy black like dark theme */
}

.img-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.92;
}

/* Placeholder when no real photo */
.img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #e8e8e8, #d4d4d4); /* Gainsboro → Light Gray, was dark green gradient */
  color: var(--text-muted);
  font-size: 0.82rem;
}
.img-placeholder svg { opacity: 0.55; }

.img-main {
  width: 380px; height: 280px;
  top: 40px; left: 60px;
  z-index: 2;
}

.img-secondary {
  width: 170px; height: 180px;
  top: 0; left: 0;
  z-index: 1;
  opacity: 0.75;
}

/* ── STATS BAR ── */
.stats-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);    /* Light Gray hairline */
  border-bottom: 1px solid var(--border); /* Light Gray hairline */
  padding: 36px 60px;
  display: flex;
  justify-content: space-around;
  gap: 24px;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-num {
  font-size: 2rem; font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── FOOTER ── */
footer {
  background: var(--bg-nav);
  border-top: 1px solid var(--border); /* Light Gray hairline, was faint green */
  padding: 24px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

footer .brand { color: var(--accent); font-weight: 700; }

/* ── LOGIN MODAL ── */
.overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45); /* slightly lighter dimming since the page itself is already light */
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.overlay.open { display: flex; }

.modal {
  background: var(--white);       /* White — modal floats above the gray page as the brightest surface */
  border: 1px solid var(--border); /* Light Gray hairline border */
  border-radius: 18px;
  padding: 44px 48px;
  width: 100%;
  max-width: 400px;
  position: relative;
  box-shadow: 0 32px 80px var(--shadow); /* soft shadow, not heavy black like dark theme */
}

.modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none;
  color: var(--text-muted); font-size: 1.5rem;
  cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--text-heading); } /* Eerie Black on hover, was white */

.modal h2 {
  font-size: 1.5rem; font-weight: 800;
  color: var(--text-heading); /* Eerie Black — was white */
  margin-bottom: 6px;
}
.modal p.sub { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 28px; }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 7px;
}
.field input {
  width: 100%;
  background: var(--bg);            /* Whitesmoke fill, was translucent white-on-dark */
  border: 1.5px solid var(--border); /* Light Gray border, was translucent green */
  border-radius: 9px;
  padding: 11px 14px;
  color: var(--text-heading);        /* Eerie Black typed text, was white */
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.18s;
}
.field input:focus { border-color: var(--accent); }

.modal .btn-primary { width: 100%; justify-content: center; padding: 13px; font-size: 0.95rem; margin-top: 4px; }

.error { color: #d64545; font-size: 0.84rem; margin-bottom: 14px; text-align: center; } /* Indian Red, slightly muted for light bg */
.demo-hint { text-align: center; color: var(--text-muted); font-size: 0.78rem; margin-top: 14px; }
.demo-hint strong { color: var(--text-body); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .navbar { padding: 0 24px; }
  .nav-links { display: none; }
  .hero { flex-direction: column; padding: 60px 24px; gap: 48px; min-height: auto; }
  .hero-visual { padding-left: 0; justify-content: center; width: 100%; }
  .img-cluster { width: 320px; height: 240px; }
  .img-main { width: 240px; height: 180px; top: 30px; left: 40px; }
  .img-secondary { width: 110px; height: 120px; }
  .stats-bar { padding: 28px 24px; }
  footer { padding: 20px 24px; flex-direction: column; align-items: flex-start; }
  .modal { padding: 32px 24px; margin: 20px; }
}