/* ============================================================
   DarwishCodes — portfolio
   Vanilla CSS, no build step. Design tokens in :root.
   ============================================================ */

:root {
  --bg: #0d1117;
  --bg-alt: #101623;
  --surface: #151d2b;
  --surface-hover: #1b2536;
  --border: #263349;
  --text: #e6edf3;
  --text-dim: #9aa7bd;
  --accent: #7c6cff;
  --accent-2: #3fd8b6;
  --accent-grad: linear-gradient(90deg, var(--accent), var(--accent-2));
  --container: 1080px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:
    'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

/* ---------- Light theme ---------- */
[data-theme='light'] {
  --bg: #f5f7fb;
  --bg-alt: #eceff5;
  --surface: #ffffff;
  --surface-hover: #f2f4fa;
  --border: #d8deea;
  --text: #1a2333;
  --text-dim: #5b6880;
  --shadow: 0 10px 30px rgba(30, 41, 70, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition:
    background 0.3s ease,
    color 0.3s ease;
}

/* Subtle radial glow + grid pattern behind everything */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      600px 400px at 12% 8%,
      rgba(124, 108, 255, 0.14),
      transparent 70%
    ),
    radial-gradient(
      700px 500px at 88% 90%,
      rgba(63, 216, 182, 0.1),
      transparent 70%
    ),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size:
    auto,
    auto,
    42px 42px,
    42px 42px;
  pointer-events: none;
}

[data-theme='light'] body::before {
  background:
    radial-gradient(
      600px 400px at 12% 8%,
      rgba(124, 108, 255, 0.1),
      transparent 70%
    ),
    radial-gradient(
      700px 500px at 88% 90%,
      rgba(63, 216, 182, 0.08),
      transparent 70%
    ),
    linear-gradient(rgba(30, 41, 70, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 41, 70, 0.03) 1px, transparent 1px);
  background-size:
    auto,
    auto,
    42px 42px,
    42px 42px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-2);
}

.mono {
  font-family: var(--font-mono);
}
.mono.inline {
  display: inline;
}

.text-gradient {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.4rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  z-index: 100;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s ease,
    background 0.3s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  white-space: nowrap;
}
.logo:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-size: 0.92rem;
}

.nav-link {
  color: var(--text-dim);
  font-family: var(--font-mono);
  transition: color 0.2s ease;
  padding: 0.3rem 0;
}
.nav-link:hover {
  color: var(--text);
}
.nav-link.active {
  color: var(--text);
  border-bottom: 2px solid var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    background 0.2s ease;
}
.theme-toggle:hover {
  border-color: var(--accent);
  background: rgba(124, 108, 255, 0.12);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}
.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9rem 1.4rem 4rem 1.4rem;
}

.hero-greeting {
  color: var(--accent);
  font-size: 1rem;
  margin: 0 0 0.6rem;
}

.hero-name {
  font-size: clamp(2.6rem, 7.5vw, 5rem);
  margin: 0 0 0.7rem;
  line-height: 1.1;
  font-weight: 800;
}

.hero-role {
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  color: var(--text-dim);
  margin: 0 0 1.2rem;
  min-height: 1.6em;
}

#typed {
  color: var(--accent);
  font-weight: 600;
}

.caret {
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-desc {
  max-width: 600px;
  color: var(--text-dim);
  font-size: 1.02rem;
}

.hero-cta {
  display: flex;
  gap: 0.9rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}
.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px rgba(124, 108, 255, 0.35);
}
.btn-primary:hover {
  background: #8d7eff;
  transform: translateY(-2px);
  color: #fff;
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(124, 108, 255, 0.1);
  color: var(--text);
}

.hero-stats {
  display: flex;
  gap: 2.4rem;
  margin-top: 3.2rem;
  flex-wrap: wrap;
}

.stat {
  display: grid;
  gap: 0.1rem;
}

.stat-num {
  font-size: 1.7rem;
  font-weight: 700;
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- Sections ---------- */
.section {
  padding: 5.5rem 0 1rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 2.2rem;
  font-weight: 800;
}
.section-title .inline {
  color: var(--accent);
  font-weight: 500;
}

.section-sub {
  color: var(--text-dim);
  max-width: 560px;
  margin-top: -1.4rem;
  margin-bottom: 2.2rem;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-grid > div:first-child p {
  color: var(--text-dim);
  margin-bottom: 1.1rem;
}
.about-grid > div:first-child p:last-child {
  margin-bottom: 0;
}

.about-facts {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: grid;
  gap: 1.2rem;
  position: relative;
  overflow: hidden;
}
.about-facts::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-grad);
}

.fact {
  display: grid;
  gap: 0.2rem;
}

.fact-key {
  color: var(--accent);
  font-size: 0.8rem;
}

.fact-val {
  font-weight: 500;
  font-size: 0.95rem;
}

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}
.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--surface-hover);
}

.skill-card-title {
  font-size: 1rem;
  color: var(--accent);
  margin: 0 0 1rem;
  overflow-wrap: anywhere;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(124, 108, 255, 0.1);
  border: 1px solid rgba(124, 108, 255, 0.25);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.project-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--text);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
  color: var(--text);
}

.project-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.project-card:hover .project-thumb img {
  transform: scale(1.06);
}

.project-flag {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 18px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  background: var(--surface);
}
.project-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: none;
}

.project-info {
  padding: 1rem 1.2rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.project-title {
  font-size: 1.1rem;
  margin: 0;
}

.project-link {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
}
.project-card:hover .project-link {
  color: var(--accent);
}

.project-badge {
  font-size: 0.75rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  align-self: start;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}

.project-card.is-archived {
  cursor: default;
}
.project-card.is-archived:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: none;
}
.project-card.is-archived .project-thumb img {
  filter: grayscale(0.65);
  opacity: 0.75;
}

/* ---------- Testimonials ---------- */
.testimonial-box {
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.4rem 2.6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.testimonial-box::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-grad);
}

.testimonial-stars {
  color: #f5b942;
  letter-spacing: 0.35em;
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
}

.testimonial-quote {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.7;
  min-height: 5.2em;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.testimonial-quote.is-fading {
  opacity: 0;
  transform: translateY(6px);
}

.testimonial-author {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 1rem 0 0;
}

.testimonial-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.t-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.95rem;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background 0.2s ease;
}
.t-btn:hover {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(124, 108, 255, 0.12);
}

.t-count {
  font-size: 0.82rem;
  color: var(--text-dim);
  min-width: 3.4em;
}

/* ---------- Contact ---------- */
.contact-form {
  display: grid;
  gap: 1.1rem;
  max-width: 620px;
  margin-top: 1.6rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-group {
  display: grid;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--accent);
}

.form-group input,
.form-group textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  resize: vertical;
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-hover);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

.form-status {
  font-size: 0.9rem;
  margin-top: 1.2rem;
  color: var(--accent-2);
  max-width: 620px;
}
.form-status.error {
  color: #ff7b72;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.8rem 0;
  background: var(--bg-alt);
  margin-top: 4.5rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-tag {
  color: var(--text-dim);
}

.footer-socials {
  display: flex;
  gap: 0.8rem;
}

.footer-socials a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}
.footer-socials a:hover {
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .caret {
    animation: none;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.25rem 1rem;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.25s ease,
      transform 0.25s ease,
      visibility 0.25s;
  }
  .nav-links.open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav-link {
    display: block;
    padding: 0.8rem 0.4rem;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav-link:last-child {
    border-bottom: 0;
  }

  .hero {
    padding: 7rem 1.4rem;
  }

  .about-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-box {
    padding: 1.8rem 1.4rem 1.5rem;
  }
  .testimonial-quote {
    min-height: 0;
    font-size: 1rem;
  }
}