:root {
  --slate-950: #020617;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --purple-400: #a78bfa;
  --purple-500: #8b5cf6;
  --orange-400: #fb923c;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --yellow-300: #fde047;
  --red-500: #ef4444;
  --yellow-500: #eab308;
  --green-500: #22c55e;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--slate-950);
  color: var(--slate-200);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection {
  background: rgba(6, 182, 212, 0.3);
  color: #a5f3fc;
}

/* Fixed radial gradient backdrop */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -10;
  background: radial-gradient(ellipse at top, var(--slate-900) 0%, var(--slate-950) 50%, var(--slate-950) 100%);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== SHARED COMPONENTS ===== */

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: rgba(30, 41, 59, 0.5);
  color: var(--slate-300);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.social-icon:hover {
  background: var(--slate-700);
  color: var(--cyan-400);
}

.social-icon svg { display: block; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--cyan-500);
  color: #000;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.35);
}

.btn-primary:active { transform: scale(0.98); }

.pill-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background: var(--slate-900);
  border: 1px solid var(--slate-700);
  color: var(--cyan-400);
  font-size: 0.875rem;
  font-weight: 500;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate-400);
  background: rgba(30, 41, 59, 0.5);
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
}

.gradient-value {
  background: linear-gradient(to bottom, #fff, var(--slate-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cyan-accent { color: var(--cyan-500); }
.purple-accent { color: var(--purple-500); }

/* ===== HERO ===== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 5rem;
  overflow: hidden;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  width: 100%;
}

.hero__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}

.hero__title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #fff;
  line-height: 1.2;
}

.hero__subtitle {
  display: block;
  margin-top: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--cyan-400), var(--blue-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  font-size: 1.125rem;
  color: var(--slate-400);
  max-width: 42rem;
  margin: 0 auto;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
}

.hero__stack {
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: var(--slate-500);
  font-size: 0.875rem;
}

/* Phone mockup */
.hero__phone-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__decor {
  position: absolute;
  z-index: -1;
  font-size: 7rem;
  font-weight: 700;
  font-family: 'Fira Code', monospace;
  color: rgba(30, 41, 59, 0.5);
  user-select: none;
  line-height: 1;
}

.hero__decor--close {
  bottom: -2.5rem;
  right: -2.5rem;
  transform: rotate(12deg);
}

.hero__decor--open {
  top: 2.5rem;
  left: -2.5rem;
  transform: rotate(-12deg);
}

.phone {
  position: relative;
  border: 8px solid var(--gray-800);
  background: var(--gray-900);
  border-radius: 2.5rem;
  height: 600px;
  width: 300px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transition: transform 0.5s;
}

.phone:hover { transform: scale(1.05); }

.phone__btn {
  position: absolute;
  width: 3px;
  background: var(--gray-800);
  border-radius: 9999px;
}

.phone__btn--top-left { height: 32px; left: -10px; top: 72px; border-radius: 2px 0 0 2px; }
.phone__btn--mid-left-1 { height: 46px; left: -10px; top: 124px; border-radius: 2px 0 0 2px; }
.phone__btn--mid-left-2 { height: 46px; left: -10px; top: 178px; border-radius: 2px 0 0 2px; }
.phone__btn--right { height: 64px; right: -10px; top: 142px; border-radius: 0 2px 2px 0; }

.phone__screen {
  border-radius: 2rem;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: var(--slate-950);
  position: relative;
}

.phone__ui {
  position: absolute;
  inset: 0;
  background: var(--slate-900);
  display: flex;
  flex-direction: column;
}

.phone__bar {
  padding: 3rem 1rem 1rem;
  background: var(--slate-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--slate-800);
}

.phone__bar-icon { color: var(--cyan-500); display: block; }

.phone__bar-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  background: var(--slate-800);
}

.phone__content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skeleton {
  background: var(--slate-800);
  border-radius: 0.25rem;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.skeleton--title { width: 66%; height: 1.5rem; }

.phone__img-box {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 0.5rem;
  background: var(--slate-900);
  border: 1px solid var(--slate-800);
  overflow: hidden;
}

.phone__img-box img { width: 100%; height: 100%; object-fit: cover; display: block; }

.phone__filler-row { display: flex; gap: 0.5rem; }

.phone__filler {
  flex: 1;
  height: 5rem;
  border-radius: 0.25rem;
  background: rgba(30, 41, 59, 0.5);
}

.phone__lines { display: flex; flex-direction: column; gap: 0.5rem; padding-top: 1rem; }

.phone__line {
  height: 1rem;
  border-radius: 0.25rem;
  background: rgba(30, 41, 59, 0.3);
}

.phone__line--short { width: 83%; }

.phone__fab {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  background: var(--cyan-500);
  border-radius: 9999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
}

/* ===== SOCIAL PROOF ===== */

.social-proof {
  width: 100%;
  background: rgba(15, 23, 42, 0.8);
  border-top: 1px solid rgba(30, 41, 59, 0.5);
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(4px);
  position: relative;
  z-index: 20;
}

.social-proof__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  justify-items: center;
}

.social-proof__metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 6rem;
}

.social-proof__value {
  font-size: 1.875rem;
  font-weight: 700;
  background: linear-gradient(to bottom, #fff, var(--slate-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: opacity 0.4s;
}

.social-proof__label {
  font-size: 0.875rem;
  color: var(--slate-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ===== PROJECTS ===== */

.projects {
  padding: 6rem 0;
  background: var(--slate-950);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--slate-400);
  max-width: 42rem;
  margin: 0 auto;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.card {
  border-radius: 0.75rem;
  border: 1px solid var(--slate-800);
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.3s;
}

.project-card:hover { border-color: rgba(6, 182, 212, 0.3); }

.card__header { padding: 1.5rem 1.5rem 0; }

.card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.card__icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--slate-700);
  overflow: hidden;
  flex-shrink: 0;
}

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

.card__category {
  font-size: 0.625rem;
  font-family: 'Fira Code', monospace;
  color: var(--slate-500);
  background: var(--slate-900);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  border: 1px solid var(--slate-800);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: right;
  flex: 1;
  margin-left: 0.5rem;
}

.card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--slate-100);
  margin-bottom: 0.5rem;
}

.card__desc {
  font-size: 0.875rem;
  color: var(--slate-400);
}

.card__content { padding: 1rem 1.5rem; flex: 1; }

.card__content p {
  font-size: 0.875rem;
  color: var(--slate-300);
  margin-bottom: 0.75rem;
}

.card__content p:last-child { margin-bottom: 0; }

.card__footer {
  padding: 0 1.5rem 1.5rem;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(30, 41, 59, 0.5);
}

/* ===== OPEN SOURCE ===== */

.open-source {
  padding: 6rem 0;
  background: var(--slate-900);
  position: relative;
}

.open-source::before {
  content: '';
  position: absolute;
  inset-x: 0;
  top: 0;
  height: 6rem;
  background: linear-gradient(to bottom, var(--slate-950), transparent);
}

.open-source::after {
  content: '';
  position: absolute;
  inset-x: 0;
  bottom: 0;
  height: 6rem;
  background: linear-gradient(to top, var(--slate-950), transparent);
}

.open-source__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 10;
}

.repo-card {
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid var(--slate-800);
  transition: transform 0.3s, border-color 0.3s;
  display: block;
  text-decoration: none;
  height: 100%;
}

.repo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.5);
}

.repo-card:hover .repo-card__title { color: var(--cyan-400); }
.repo-card:hover .repo-card__github { color: var(--cyan-400); }
.repo-card:hover .repo-card__external { stroke: var(--cyan-500); }

.repo-card__header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.repo-card__github-box {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: var(--slate-900);
  border: 1px solid var(--slate-800);
  color: var(--cyan-500);
  transition: color 0.3s;
  display: flex;
}

.repo-card__external {
  color: var(--slate-600);
  display: block;
  transition: color 0.3s;
}

.repo-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-100);
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.repo-card__desc {
  font-size: 0.875rem;
  color: var(--slate-400);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1.5rem 1.5rem;
}

.repo-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate-500);
  background: var(--slate-900);
  border: 1px solid var(--slate-800);
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
}

/* ===== TECH PHILOSOPHY ===== */

.philosophy {
  padding: 6rem 0;
  background: rgba(15, 23, 42, 0.5);
  position: relative;
  overflow: hidden;
}

.philosophy__noise {
  position: absolute;
  inset: 0;
  background-image: url('images/noise.svg');
  opacity: 0.2;
  pointer-events: none;
}

.philosophy__inner {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.philosophy__list {
  flex: 1;
  width: 100%;
}

.philosophy__list h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2rem;
}

.philosophy__items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.philosophy__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.philosophy__icon {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: var(--slate-800);
  border: 1px solid var(--slate-700);
  display: flex;
  flex-shrink: 0;
  transition: border-color 0.2s;
}

.philosophy__item:hover .philosophy__icon {
  border-color: rgba(139, 92, 246, 0.5);
}

.philosophy__item-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-200);
  margin-bottom: 0.25rem;
}

.philosophy__item-text p {
  color: var(--slate-400);
  line-height: 1.75;
}

.philosophy__code {
  flex: 1;
  width: 100%;
}

/* Code window */
.code-window {
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--slate-700);
  background: var(--slate-950);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.code-window__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--slate-900);
  border-bottom: 1px solid var(--slate-800);
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 9999px;
}

.dot--red { background: var(--red-500); }
.dot--yellow { background: var(--yellow-500); }
.dot--green { background: var(--green-500); }

.code-window__filename {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: var(--slate-500);
  font-family: 'Fira Code', monospace;
}

.code-window__body {
  padding: 1.5rem;
  overflow-x: auto;
  min-height: 300px;
}

.code-window__body pre {
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--slate-300);
}

.kw { color: var(--purple-400); }
.type { color: var(--yellow-300); }
.fn { color: var(--blue-400); }

/* ===== FOOTER ===== */

.footer {
  background: var(--slate-950);
  padding: 3rem 0;
  border-top: 1px solid var(--slate-900);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer__sub { color: var(--slate-500); }

/* ===== ANIMATIONS ===== */

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===== RESPONSIVE ===== */

@media (min-width: 768px) {
  .hero__title { font-size: 3.75rem; }
  .hero__subtitle { font-size: 2.25rem; }

  .social-proof__grid { grid-template-columns: repeat(3, 1fr); }
  .social-proof__value { font-size: 2.25rem; }

  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .section-header h2 { font-size: 3rem; }
  .open-source__grid { grid-template-columns: 1fr; }

  .footer__inner { flex-direction: row; justify-content: space-between; text-align: left; }

  .philosophy__list h2 { font-size: 3rem; }
}

@media (min-width: 1024px) {
  .hero__inner { flex-direction: row; align-items: center; }
  .hero__text { text-align: left; }
  .hero__desc { margin: 0; }
  .hero__actions { align-items: flex-start; }
  .hero__stack { justify-content: flex-start; }

  .projects__grid { grid-template-columns: repeat(4, 1fr); }
  .open-source__grid { grid-template-columns: repeat(3, 1fr); }

  .philosophy__inner { flex-direction: row; gap: 4rem; align-items: center; }
}