/* =========================================================
   TOKENS
   ========================================================= */
:root {
  --bg: #f5f6f3;
  --surface: #ffffff;
  --surface-2: #ecefe9;
  --text: #171b19;
  --text-muted: #5c6b63;
  --border: #dde1d9;
  --accent: #1f6f5c;
  --accent-text: #ffffff;
  --accent-soft: #e3efe9;
  --status-planned: #a3743f;
  --status-planned-soft: #f3e7d8;
  --shadow: 0 1px 2px rgba(20, 30, 25, 0.04), 0 8px 24px rgba(20, 30, 25, 0.05);
  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;

  --font-display: "IBM Plex Sans", "IBM Plex Sans Arabic", sans-serif;
  --font-body: "IBM Plex Sans", "IBM Plex Sans Arabic", sans-serif;
  --font-mono: "IBM Plex Mono", "IBM Plex Sans Arabic", monospace;
}

html[data-theme="dark"] {
  --bg: #10140f;
  --surface: #171d18;
  --surface-2: #1e2620;
  --text: #e7ece7;
  --text-muted: #8fa098;
  --border: #29342c;
  --accent: #55c2a3;
  --accent-text: #0b1512;
  --accent-soft: #1a2b25;
  --status-planned: #e0a25c;
  --status-planned-soft: #2c2317;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 28px rgba(0, 0, 0, 0.28);
}

html[lang="ar"] {
  --font-display: "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
  --font-body: "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 10px;
}

html[lang="ar"] .eyebrow {
  letter-spacing: 0;
}

section {
  padding: 88px 0;
  border-bottom: 1px solid var(--border);
}
section:last-of-type {
  border-bottom: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  margin: 0;
  font-weight: 600;
}

h2.section-title {
  font-size: clamp(26px, 3.4vw, 34px);
  margin-bottom: 36px;
  letter-spacing: -0.01em;
}

/* =========================================================
   TOP BAR
   ========================================================= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;

  font-family: var(--font-mono);
  font-size: 15px;
}

.brand-logo {
  width: 34px;

  height: 34px;

  border-radius: 10px;

  box-shadow: 0 0 18px rgba(85, 194, 163, 0.35);

  transition: 0.3s;
}

.brand-logo:hover {
  transform: rotate(8deg) scale(1.08);
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14.5px;
}

.nav-links a {
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.nav-links a:hover {
  color: var(--text);
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-s);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    transform 0.1s ease;
}
.icon-btn:hover {
  border-color: var(--accent);
}
.icon-btn:active {
  transform: scale(0.94);
}
.icon-btn svg {
  width: 17px;
  height: 17px;
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 0 12px;
  height: 36px;
  border-radius: var(--radius-s);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.lang-btn:hover {
  border-color: var(--accent);
}

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

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: 72px 0 96px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.hero-role {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--text-muted);
  margin-bottom: 10px;
}

.hero-learning {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: var(--radius-s);
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    transform 0.12s ease,
    opacity 0.15s ease,
    border-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
}
.btn-primary:hover {
  opacity: 0.9;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
}

/* Terminal */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-inline-start: 6px;
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 20px;
  min-height: 190px;
}

.term-line {
  margin-bottom: 14px;
}
.term-line:last-child {
  margin-bottom: 0;
}

.term-prompt {
  color: var(--accent);
}
.term-prompt::before {
  content: "$ ";
  opacity: 0.6;
}
.term-output {
  color: var(--text-muted);
  margin-top: 4px;
  white-space: pre-wrap;
}

.term-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--accent);
  margin-inline-start: 4px;
  vertical-align: -2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}

.photo-card {
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.photo-card img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.photo-meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  justify-content: space-between;
}

.about-bio {
  font-size: 17px;
  color: var(--text);
  max-width: 62ch;
}

/* =========================================================
   SKILLS
   ========================================================= */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 22px;
  box-shadow: var(--shadow);
}

.skill-cat {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 22px;
  color: var(--accent);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.skill-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  transition: 0.25s;
}

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

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.skill-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-info i {
  font-size: 30px;
}

.skill-info span {
  font-size: 15px;
  font-weight: 600;
}

.skill-percent {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.progress {
  width: 100%;
  height: 9px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  transition: width 0.8s ease;
}

/* =========================================================
   PROJECTS
   ========================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-card.is-planned {
  background: transparent;
  border-style: dashed;
  box-shadow: none;
}

.project-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.project-name {
  font-family: var(--font-mono);
  font-size: 16.5px;
  font-weight: 600;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.status-badge.planned {
  background: var(--status-planned-soft);
  color: var(--status-planned);
}
.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.project-desc {
  color: var(--text-muted);
  font-size: 14.5px;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tech-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  background: var(--surface-2);
  padding: 3px 8px;
  border-radius: 4px;
}

.project-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.project-link svg {
  width: 13px;
  height: 13px;
  transition: transform 0.15s ease;
}
.project-link:hover svg {
  transform: translate(2px, -2px);
}
html[dir="rtl"] .project-link:hover svg {
  transform: translate(-2px, -2px);
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  transition:
    border-color 0.15s ease,
    transform 0.1s ease;
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-s);
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg {
  width: 19px;
  height: 19px;
}

.contact-label {
  font-size: 14px;
  font-weight: 500;
}
.contact-value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  word-break: break-all;
}

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  padding: 32px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
}
/* =========================================================
   ACHIEVEMENTS
   ========================================================= */

#achievements {
  padding: 40px 0;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.achievement-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

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

.achievement-value {
  font-size: 34px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.achievement-title {
  font-size: 14px;
  color: var(--text-muted);
}

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

.menu-toggle {
  display: none;

  font-size: 28px;

  background: none;

  border: none;

  color: var(--text);

  cursor: pointer;
}

/* ==========================
   Custom Scrollbar
========================== */

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 20px;
  border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  opacity: 0.8;
}

.back-to-top {
  position: fixed;

  right: 25px;

  bottom: 25px;

  width: 48px;

  height: 48px;

  border: none;

  border-radius: 50%;

  background: var(--accent);

  color: white;

  font-size: 22px;

  cursor: pointer;

  display: none;

  align-items: center;

  justify-content: center;

  box-shadow: var(--shadow);

  transition: 0.3s;

  z-index: 999;
}

.back-to-top:hover {
  transform: translateY(-4px);
}

.back-to-top.show {
  display: flex;
}

.nav-links a.active {
  color: var(--accent);

  font-weight: 600;

  position: relative;
}

.nav-links a.active::after {
  content: "";

  position: absolute;

  left: 0;

  bottom: -8px;

  width: 100%;

  height: 2px;

  background: var(--accent);
}

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

  .nav-links {
    position: absolute;

    top: 70px;

    left: 0;

    right: 0;

    background: var(--surface);

    border-top: 1px solid var(--border);

    display: flex;

    flex-direction: column;

    gap: 0;

    max-height: 0;

    overflow: hidden;

    transition: 0.3s;

    box-shadow: var(--shadow);
  }

  .nav-links.open {
    max-height: 350px;
  }

  .nav-links a {
    padding: 18px 25px;

    border-bottom: 1px solid var(--border);
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

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

  .photo-card {
    max-width: 220px;
  }

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

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  section {
    padding: 56px 0;
  }
}

@media (max-width: 520px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .achievements-grid {
    grid-template-columns: 1fr;
  }
}