/* ============================================================
   UI REVAMP — polish existing components only
   No new sections. Same layout, sharper visuals.
   Inspired by: Apple clarity · Tesla restraint · Igloo craft
   ============================================================ */

/* ---------- Design token tweaks (existing system) ---------- */
:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-full: 999px;
}

[data-theme="dark"] {
  --bg-primary: #050608;
  --bg-secondary: #0a0c10;
  --bg-card: #12151c;
  --bg-card-hover: #181c26;
  --bg-nav: rgba(12, 14, 18, 0.72);
  --text-primary: #f0f2f5;
  --text-secondary: rgba(240, 242, 245, 0.68);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.45);
}

[data-theme="light"] {
  --bg-primary: #f5f6f8;
  --bg-secondary: #eef0f3;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fb;
  --bg-nav: rgba(255, 255, 255, 0.78);
  --text-primary: #15171c;
  --text-secondary: rgba(21, 23, 28, 0.62);
  --border-color: rgba(0, 0, 0, 0.07);
  --border-color-hover: rgba(0, 0, 0, 0.12);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* ---------- Nav: keep pill, refine glass ---------- */
.navbar {
  background: var(--bg-nav);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

[data-theme="light"] .nav-link.active {
  background: rgba(0, 0, 0, 0.06);
}

/* ---------- Hero: clearer hierarchy, no smear ---------- */
.hero {
  background: #050608;
}

/* Soften heavy video grade — more cinematic, still readable */
.hero-video-bg {
  pointer-events: none !important;
}

.hero-video-bg iframe,
.hero-video-bg #ytBgPlaceholder {
  pointer-events: none !important;
  /* Crop YouTube chrome */
  width: max(112%, 200vh) !important;
  height: max(63vw, 112%) !important;
  min-width: 112% !important;
  min-height: 112% !important;
}

.hero-video-blocker {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: auto;
  background: transparent;
}

.hero-video-bg::after {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(5, 6, 8, 0.45) 0%, rgba(5, 6, 8, 0.28) 40%, rgba(5, 6, 8, 0.72) 100%),
    radial-gradient(ellipse 70% 55% at 50% 45%, transparent 20%, rgba(5, 6, 8, 0.55) 100%) !important;
}

/* Blur tunnel was smearing the availability badge — turn into soft glow only */
.hero-blur-tunnel {
  width: min(720px, 90vw) !important;
  height: 280px !important;
  border: none !important;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.25) 0%, transparent 70%) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  mask-image: none !important;
  -webkit-mask-image: none !important;
  opacity: 0.7;
  z-index: 0 !important;
}

.hero-greeting {
  letter-spacing: 0.28em;
  font-weight: 500;
  font-size: 0.75rem;
  opacity: 0.95;
}

.hero-name {
  letter-spacing: -0.04em;
  font-weight: 650;
  text-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

.hero-subtitle {
  max-width: 34rem;
  line-height: 1.55;
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  color: rgba(240, 242, 245, 0.72);
}

/* CRITICAL FIX: availability badge was an unreadable green smear */
.availability-badge {
  position: relative;
  z-index: 12;
  margin-top: 1.25rem;
  padding: 9px 18px;
  gap: 10px;
  background: rgba(16, 185, 129, 0.12) !important;
  border: 1px solid rgba(52, 211, 153, 0.35) !important;
  border-radius: var(--radius-full);
  color: #6ee7b7 !important;
  font-size: 0.8rem !important;
  font-weight: 550 !important;
  letter-spacing: 0.02em;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  white-space: nowrap;
  max-width: none;
  /* kill float that made it look broken */
  animation: none !important;
  transform: none !important;
}

.availability-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  background: #34d399 !important;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
}

.availability-dot::after {
  border-color: #34d399 !important;
  animation: availabilityPulse 2.2s ease-out infinite;
}

[data-theme="light"] .hero {
  background: #eef1f5;
}

[data-theme="light"] .hero-video-bg::after {
  background:
    linear-gradient(180deg, rgba(238, 241, 245, 0.55) 0%, rgba(238, 241, 245, 0.3) 40%, rgba(238, 241, 245, 0.8) 100%),
    radial-gradient(ellipse 70% 55% at 50% 45%, transparent 25%, rgba(180, 190, 200, 0.4) 100%) !important;
}

[data-theme="light"] .hero-subtitle {
  color: rgba(21, 23, 28, 0.65);
}

[data-theme="light"] .hero-name {
  color: #15171c;
  text-shadow: none;
}

[data-theme="light"] .availability-badge {
  background: rgba(4, 120, 87, 0.08) !important;
  border-color: rgba(4, 120, 87, 0.28) !important;
  color: #047857 !important;
}

[data-theme="light"] .availability-dot {
  background: #059669 !important;
}

/* ---------- Buttons: liquid glass on existing .btn ---------- */
.btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  font-weight: 550;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    background 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out),
    color 0.25s ease;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    115deg,
    transparent 25%,
    rgba(255, 255, 255, 0.35) 45%,
    rgba(255, 255, 255, 0.08) 55%,
    transparent 70%
  );
  background-size: 220% 100%;
  background-position: 140% 0;
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

.btn:hover::before {
  opacity: 1;
  animation: btn-shine 0.95s var(--ease-out) forwards;
}

@keyframes btn-shine {
  0%   { background-position: 140% 0; }
  100% { background-position: -40% 0; }
}

.btn > * {
  position: relative;
  z-index: 2;
}

.btn-primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, transparent 42%),
    linear-gradient(165deg, hsla(var(--accent-h), var(--accent-s), 58%, 0.95), hsla(var(--accent-h), var(--accent-s), 40%, 0.92)) !important;
  border: 1px solid rgba(255, 255, 255, 0.28) !important;
  color: #fff !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 8px 28px hsla(var(--accent-h), var(--accent-s), 40%, 0.35) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-primary:hover {
  transform: translateY(-2px) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 14px 36px hsla(var(--accent-h), var(--accent-s), 40%, 0.45) !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
  color: #fff !important;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  color: var(--text-primary) !important;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 6px 20px rgba(0, 0, 0, 0.15) !important;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: rgba(255, 255, 255, 0.32) !important;
  color: #fff !important;
  transform: translateY(-2px) !important;
}

[data-theme="light"] .btn-primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, transparent 40%),
    linear-gradient(165deg, hsla(var(--accent-h), var(--accent-s), 42%, 1), hsla(var(--accent-h), var(--accent-s), 32%, 1)) !important;
}

[data-theme="light"] .btn-secondary {
  background: rgba(255, 255, 255, 0.7) !important;
  border-color: rgba(0, 0, 0, 0.1) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06), inset 0 1px 0 #fff !important;
}

[data-theme="light"] .btn-secondary:hover {
  background: #fff !important;
  color: #111 !important;
}

/* CTA text link polish */
.cta-text-link {
  font-weight: 500;
  opacity: 0.85;
  transition: opacity 0.25s ease, color 0.25s ease;
}
.cta-text-link:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* Kill magnetic layout drift — keep structure, stop movement */
.magnetic-wrap {
  display: inline-block;
  transform: none !important;
}
.magnetic-wrap > * {
  transform: none !important;
}

/* ---------- Bento / cards ---------- */
.bento-card,
.timeline-card,
.project-card,
.cert-card,
.skill-category,
.contact-link,
.contact-form {
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition:
    border-color 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    transform 0.35s var(--ease-out),
    background 0.35s var(--ease-out);
}

.bento-card:hover,
.timeline-card:hover,
.project-card:hover,
.cert-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-card-hover);
}

.bento-card:hover {
  transform: translateY(-3px);
}

/* ---------- Project cards: denser, cleaner, less wall-of-text feel ---------- */
.projects-grid {
  gap: 1.25rem;
  padding-bottom: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

.project-card-image {
  aspect-ratio: 16 / 10;
}

.project-card-image img {
  transition: transform 0.7s var(--ease-out);
}

.project-card:hover .project-card-image img {
  transform: scale(1.04);
}

.project-card-body {
  gap: 0.65rem;
  padding: 1.35rem 1.4rem 1.5rem;
}

.project-card-category {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  opacity: 0.9;
}

.project-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.project-card-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Collapse long bullet walls — keep first visual quieter */
.project-card-details {
  font-size: 0.82rem;
  opacity: 0.8;
  max-height: 4.8em;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(180deg, #000 55%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent);
}

.project-card:hover .project-card-details,
.project-card:focus-within .project-card-details {
  max-height: none;
  mask-image: none;
  -webkit-mask-image: none;
}

.project-card-links .btn {
  padding: 9px 16px !important;
  font-size: 0.78rem !important;
  height: auto !important;
  border-radius: var(--radius-full) !important;
}

.project-card-links .btn.btn-primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, transparent 40%),
    linear-gradient(165deg, hsla(var(--accent-h), var(--accent-s), 55%, 0.95), hsla(var(--accent-h), var(--accent-s), 38%, 0.9)) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  color: #fff !important;
}

.project-card-links .btn.btn-secondary {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  color: var(--text-primary) !important;
}

.project-card-tags span {
  border-radius: 999px;
  font-size: 0.68rem;
  padding: 4px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
}

/* Filter chips */
.filter-btn {
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.8rem;
  padding: 9px 16px;
  transition: all 0.25s var(--ease-out);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  background: var(--bg-subtle);
}

.filter-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

/* ---------- Cert cards: row → refined tiles ---------- */
.certs-container {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
  gap: 1rem !important;
  margin-top: 2.5rem !important;
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  background: var(--bg-card);
  min-height: 120px;
  box-shadow: var(--shadow-card);
}

.cert-card:hover {
  transform: translateY(-3px);
}

.cert-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
}

.cert-info h3 {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--text-primary);
}

.cert-info p {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Timeline polish ---------- */
.timeline-card {
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

.timeline-company {
  letter-spacing: -0.02em;
}

.timeline-details li {
  line-height: 1.55;
  font-size: 0.9rem;
}

/* ---------- Skills tags ---------- */
.skill-tag {
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.skill-tag:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-subtle-hover);
  transform: translateY(-1px);
}

/* ---------- Contact ---------- */
.contact-form input,
.contact-form textarea {
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .contact-form input,
[data-theme="light"] .contact-form textarea {
  background: #fff;
}

/* ---------- Section titles ---------- */
.section-title {
  letter-spacing: -0.03em;
  font-weight: 600;
  line-height: 1.15;
}

.section-label {
  letter-spacing: 0.18em;
  font-weight: 550;
}

/* ---------- Motion: calmer, less jitter ---------- */
@media (prefers-reduced-motion: reduce) {
  .btn::before,
  .availability-dot::after {
    animation: none !important;
  }
  .btn:hover,
  .bento-card:hover,
  .cert-card:hover {
    transform: none !important;
  }
}

/* Mobile: stacked CTAs stay clean; badge can wrap */
@media (max-width: 640px) {
  .availability-badge {
    white-space: normal;
    max-width: 92vw;
    text-align: left;
    line-height: 1.35;
  }
  .hero-cta-group {
    flex-direction: column;
    width: min(100%, 300px);
  }
  .hero-cta-group .magnetic-wrap,
  .hero-cta-group .btn {
    width: 100%;
  }
  .hero-cta-group .btn {
    justify-content: center;
  }
  .certs-container {
    grid-template-columns: 1fr !important;
  }
}