/* =========================================
   Sven Jager — Personal Stakeholder Website
   Custom Styles
   ========================================= */

:root {
  --accent:       #00c6ff;
  --accent-2:     #0072ff;
  --dark-bg:      #050d1a;
  --card-bg:      rgba(10, 25, 50, 0.75);
  --text-light:   #cde0f5;
  --border-glow:  rgba(0, 198, 255, 0.25);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--dark-bg);
  color: var(--text-light);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navigation ── */
#mainNav {
  background: rgba(5, 13, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
  transition: background 0.3s ease;
}

#mainNav .navbar-brand {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
}

#mainNav .navbar-brand span { color: var(--accent); }

#mainNav .nav-link {
  color: var(--text-light);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  transition: color 0.25s ease;
}

#mainNav .nav-link:hover,
#mainNav .nav-link.active { color: var(--accent); }

/* ── Hero ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../gfx/Gemini_Generated_Image_oej9e4oej9e4oej9.png');
  background-size: cover;
  background-position: center;
  filter: brightness(0.55) saturate(1.2);
  z-index: 0;
  transform: scale(1.05);
  animation: subtleZoom 20s ease-in-out infinite alternate;
}

@keyframes subtleZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(5, 13, 26, 0.75) 0%,
    rgba(0, 114, 255, 0.08) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  margin-bottom: 1.2rem;
}

#hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.1;
  color: #fff;
}

#hero .lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-light);
  max-width: 560px;
}

.btn-glow {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 0 24px rgba(0, 198, 255, 0.4);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-glow:hover {
  box-shadow: 0 0 40px rgba(0, 198, 255, 0.7);
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline-glow {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.73rem 2rem;
  border-radius: 50px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-outline-glow:hover {
  background: var(--accent);
  color: var(--dark-bg);
  box-shadow: 0 0 24px rgba(0, 198, 255, 0.5);
}

/* ── Section Shared ── */
section { padding: 100px 0; }

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 1rem;
}

.divider-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  margin: 0 auto 3rem;
}

/* ── About ── */
#about { background: #07101f; }

.about-img-wrap {
  position: relative;
  display: inline-block;
}

.about-img-wrap img {
  width: 100%;
  max-width: 420px;
  border-radius: 12px;
  filter: saturate(0.9) brightness(0.92);
  border: 1px solid var(--border-glow);
}

.about-img-wrap::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid var(--accent);
  border-radius: 14px;
  opacity: 0.35;
}

.about-img-wrap::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.15;
  border-radius: 50%;
}

/* ── Stats ── */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.stat-number {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  opacity: 0.7;
}

/* ── Skills / Expertise ── */
#expertise { background: var(--dark-bg); }

.skill-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  height: 100%;
  backdrop-filter: blur(8px);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 198, 255, 0.12);
}

.skill-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0,198,255,0.15), rgba(0,114,255,0.15));
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  color: var(--accent);
}

.skill-card h5 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.skill-card p {
  font-size: 0.875rem;
  opacity: 0.75;
  margin: 0;
}

/* ── Projects / Focus Areas ── */
#projects { background: #07101f; }

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
  backdrop-filter: blur(8px);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 198, 255, 0.14);
}

.project-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: brightness(0.75) saturate(1.1);
  transition: filter 0.3s ease;
}

.project-card:hover .project-card-img { filter: brightness(0.9) saturate(1.2); }

.project-card-body {
  padding: 1.5rem;
}

.project-tag {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.project-card h5 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.project-card p {
  font-size: 0.875rem;
  opacity: 0.72;
  margin: 0;
}

/* ── Contact ── */
#contact { background: var(--dark-bg); }

.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  backdrop-filter: blur(12px);
  max-width: 640px;
  margin: 0 auto;
}

.form-control-dark {
  background: rgba(5, 13, 26, 0.8);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  color: #fff;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-control-dark::placeholder { color: rgba(255,255,255,0.3); }

.form-control-dark:focus {
  background: rgba(5, 13, 26, 0.9);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.15);
  color: #fff;
  outline: none;
}

/* ── Footer ── */
footer {
  background: #030a14;
  border-top: 1px solid var(--border-glow);
  padding: 2.5rem 0;
  font-size: 0.85rem;
  color: rgba(205, 224, 245, 0.5);
  text-align: center;
}

footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ── Scroll animation helpers ── */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Language toggle button ── */
.lang-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--accent);
  border-radius: 50px;
  padding: 0.3rem 0.9rem;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.lang-toggle-btn:hover {
  background: var(--accent);
  color: var(--dark-bg);
  border-color: var(--accent);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: var(--accent-2); border-radius: 3px; }

/* ── Responsive tweaks ── */
@media (max-width: 767.98px) {
  section { padding: 70px 0; }
  .contact-card { padding: 2rem 1.25rem; }
}