:root {
  /* Base */
  --bg: #182623; /* obsidian (dark green-black) */
  --surface: rgba(16, 24, 22, 0.72);
  --border: rgba(168, 191, 178, 0.18);

  /* Text */
  --text: #f4f1ea; /* warm off-white */
  --muted: rgba(244, 241, 234, 0.72);
  --muted2: rgba(244, 241, 234, 0.58);

  /* Accents (non-cliche) */
  --copper: #d98a3d; /* warm copper */
  --ember: #ffb457; /* lighter copper highlight */
  --sage: #8fd1b6; /* mint/sage */
  --sage2: #b8f0d0; /* brighter mint */

  /* Effects */
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --radius: 16px;
}

body {
  color: var(--text);

  /* UI-lab background: warm + mint glows + blueprint grid */
  background: radial-gradient(
      900px 520px at 18% 12%,
      rgba(217, 138, 61, 0.12),
      transparent 62%
    ),
    radial-gradient(
      980px 520px at 82% 28%,
      rgba(143, 209, 182, 0.1),
      transparent 62%
    ),
    linear-gradient(rgba(244, 241, 234, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 234, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 56px 56px, 56px 56px, auto;
}

/* Improve Bootstrap muted text on dark */
.text-secondary {
  color: var(--muted2) !important;
}
.text-light-50 {
  color: var(--muted);
}

/* NAV */
.navbar .nav-link {
  color: var(--muted2);
}
.navbar .nav-link:hover {
  color: var(--text);
}

/* HERO */
.hero-box {
  border-radius: calc(var(--radius) + 2px);
  background: rgba(16, 24, 22, 0.78);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-title {
  /* copper → mint gradient (unique and warm) */
  background: linear-gradient(135deg, var(--ember), var(--sage2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-img {
  margin-top: 10px;
  width: 100%;
  max-width: 420px;
  opacity: 0.62;
  filter: saturate(1.05) contrast(1.02);
}

/* Divider */
.section-divider {
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(217, 139, 61, 0.71),
    transparent
  );
  border: 0;
  margin: 34px 0;
}

/* Buttons */
.btn-neo {
  background: rgba(217, 138, 61, 0.14);
  border: 1px solid rgba(217, 138, 61, 0.42);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 0 18px rgba(143, 209, 182, 0.1);
}

.btn-neo:hover {
  border-color: rgba(143, 209, 182, 0.55);
  color: var(--text);
  box-shadow: 0 0 22px rgba(143, 209, 182, 0.16);
}

.btn-outline-neo {
  background: transparent;
  border: 1px solid rgba(168, 191, 178, 0.24);
  color: var(--text);
}

.btn-outline-neo:hover {
  border-color: rgba(217, 138, 61, 0.55);
  color: var(--text);
}

/* Cards / boxes */
.card-neo,
.box-neo {
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3);
}

.card-neo {
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.card-neo:hover {
  transform: translateY(-4px);
  border-color: rgba(143, 209, 182, 0.35);
  box-shadow: 0 14px 45px rgba(0, 0, 0, 0.4), 0 0 20px rgba(217, 138, 61, 0.1);
}

.project-image {
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Cut corners (optional for “sci-fi” vibe) */
.box-cut {
  clip-path: polygon(0 0, 92% 0, 100% 18%, 100% 100%, 0 100%);
}

@supports not (clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%)) {
  .box-cut {
    clip-path: none;
    border-radius: var(--radius);
  }
}

/* Tags */
.tag {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
  border-radius: 10px;
  padding: 7px 10px;

  border: 1px solid rgba(143, 209, 182, 0.28);
  background: rgba(143, 209, 182, 0.08);
}

.tag.soft {
  border-color: rgba(217, 138, 61, 0.28);
  background: rgba(217, 138, 61, 0.08);
}

/* Small polish */
.project-title {
  color: var(--sage2);
}