/* ==========================================================================
   OsamaPro.com — Core Stylesheet
   Design Language: "The Precision Grid" — Kinetic Engineering
   A digital manifestation of the intersection between mechanical
   precision and algorithmic intelligence.
   ========================================================================== */

/* ===== CSS RESET ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
a,
textarea {
  font: inherit;
}

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

ul,
ol {
  list-style: none;
}

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Color Palette — Deep Space */
  --bg-primary: #070B11;
  --bg-secondary: #0F1724;
  --bg-card: #161F2C;
  --bg-elevated: #1A2433;
  --border: #273142;
  --border-subtle: #1E2838;

  /* Accents */
  --accent-primary: #4EA7FF;
  --accent-secondary: #42D4FF;
  --accent-glow: rgba(78, 167, 255, 0.15);
  --accent-glow-strong: rgba(78, 167, 255, 0.3);
  --success: #47D16C;
  --success-glow: rgba(71, 209, 108, 0.15);

  /* Text */
  --text-primary: #F8FAFC;
  --text-secondary: #98A7B8;
  --text-muted: #5C6B7D;

  /* Typography */
  --font-heading: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --section-padding: 8rem 0;

  /* Layout */
  --max-width: 1200px;
  --max-width-wide: 1400px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-pill: 100px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--accent-glow);

  /* Grid */
  --grid-gap: 2rem;
}

/* ===== BASE STYLES ===== */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  cursor: none;
}

/* Background texture — subtle blueprint grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(78, 167, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 167, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Radial glow at top */
body::after {
  content: '';
  position: fixed;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(78, 167, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-primary);
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  max-width: 600px;
  margin-bottom: 3rem;
  color: var(--text-secondary);
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

section {
  padding: var(--section-padding);
  position: relative;
  z-index: 1;
}

/* Section dividers — fine 1px borders */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  z-index: 1000;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 10px var(--accent-glow-strong);
  transition: width 0.1s linear;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 2rem;
  transition: all var(--transition);
}

.nav.scrolled {
  padding: 0.75rem 2rem;
}

.nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition);
}

.nav.scrolled .nav-inner {
  background: rgba(15, 23, 36, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  padding: 0.5rem 0.5rem 0.5rem 1.5rem;
  box-shadow: var(--shadow-md);
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: var(--accent-primary);
  background: var(--accent-glow);
}

.nav-cta {
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-pill);
  border: none;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--accent-secondary);
  box-shadow: 0 0 20px var(--accent-glow-strong);
  transform: translateY(-1px);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

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

.hero-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(4rem, 12vw, 10rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.hero-name .word {
  display: inline-block;
  white-space: nowrap;
}

.hero-name .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: char-reveal 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-roles {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  min-height: 2rem;
  font-weight: 500;
}

.hero-roles .typed-cursor {
  color: var(--accent-secondary);
  font-weight: 400;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.5;
  font-weight: 300;
}

.hero-tagline strong {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero visual — portrait + SVG network */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

.hero-portrait {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.05);
}

.hero-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 11, 17, 0.6) 100%);
  pointer-events: none;
}

/* SVG network graphic */
.hero-network {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-network svg {
  width: 100%;
  height: 100%;
}

/* System status panel */
.hero-status {
  position: absolute;
  bottom: 2rem;
  left: -1rem;
  background: rgba(15, 23, 36, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-status .indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-status span {
  color: var(--text-secondary);
}

.hero-status strong {
  color: var(--text-primary);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-secondary);
  box-shadow: 0 0 25px var(--accent-glow-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
  color: var(--accent-primary);
}

/* Glass-fill effect for visit buttons */
.btn-glass {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.btn-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
  transition: left 0.5s ease;
}

.btn-glass:hover::before {
  left: 100%;
}

.btn-glass:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Ripple effect */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out;
  pointer-events: none;
}

/* ===== DIGITAL ECOSYSTEM ===== */
.ecosystem {
  background: var(--bg-primary);
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.eco-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
  position: relative;
}

.eco-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
}

.eco-preview {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
}

.eco-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(4px) brightness(0.7);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.eco-card:hover .eco-preview img {
  filter: blur(0) brightness(0.95);
  transform: scale(1.03);
}

/* Browser chrome overlay on preview */
.eco-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 32px;
  background: rgba(15, 23, 36, 0.9);
  backdrop-filter: blur(8px);
  z-index: 2;
  border-bottom: 1px solid var(--border);
}

.eco-preview::after {
  content: '';
  position: absolute;
  top: 11px;
  left: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  box-shadow: 16px 0 0 var(--border), 32px 0 0 var(--border);
  z-index: 3;
}

/* ===== Ecosystem Logo Display ===== */
.eco-logo-area {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  position: relative;
  background:
    radial-gradient(circle at 30% 20%, rgba(78, 167, 255, 0.06), transparent 60%),
    linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
  border-bottom: 1px solid var(--border);
}

.eco-logo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0.85);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.eco-card:hover .eco-logo-img {
  filter: brightness(1);
  transform: scale(1.05);
}

.eco-logo-placeholder {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  opacity: 0.5;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.eco-card:hover .eco-logo-placeholder {
  opacity: 0.8;
  transform: scale(1.05);
}

.eco-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.eco-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eco-url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.eco-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex: 1;
}

.eco-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.eco-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.eco-card:hover .eco-tag {
  border-color: var(--border);
  color: var(--text-primary);
}

.eco-actions {
  display: flex;
  gap: 0.75rem;
}

.eco-actions .btn {
  flex: 1;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.about-visual {
  position: sticky;
  top: 6rem;
}

.about-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.about-panel-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.about-disciplines {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-discipline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.about-discipline:last-child {
  border-bottom: none;
}

.about-discipline .icon {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.about-discipline strong {
  color: var(--text-primary);
  font-weight: 500;
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-text p {
  margin-bottom: 1.5rem;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 500;
}

.about-text .accent {
  color: var(--accent-primary);
  font-weight: 500;
}

/* ===== STATISTICS ===== */
.statistics {
  background: var(--bg-primary);
  padding: 5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  border-right: 1px solid var(--border-subtle);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--accent-secondary);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* ===== SKILLS ===== */
.skills {
  background: var(--bg-secondary);
}

.skills-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.skill-category h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

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

.skill-chip {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: default;
}

.skill-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* ===== CAREER TIMELINE ===== */
.timeline {
  background: var(--bg-primary);
}

.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

/* The Conduit — vertical glowing line */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: var(--border-subtle);
}

.timeline-line-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 12px var(--accent-glow-strong);
  transition: height 0.3s ease;
}

.timeline-list {
  position: relative;
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 2rem 3rem;
  opacity: 0;
  transform: translateY(30px) rotateY(-5deg);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0) rotateY(0);
}

/* Timeline node */
.timeline-node {
  position: absolute;
  top: 2.5rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  z-index: 2;
  transition: all var(--transition);
}

.timeline-item:nth-child(odd) .timeline-node {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-node {
  left: -8px;
}

.timeline-item.visible .timeline-node {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 16px var(--accent-glow-strong), 0 0 32px var(--accent-glow);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== CURRENT PROJECTS ===== */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.project-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.project-badge.live {
  background: rgba(71, 209, 108, 0.1);
  color: var(--success);
  border: 1px solid rgba(71, 209, 108, 0.2);
}

.project-badge.live .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 2s ease-in-out infinite;
}

.project-badge.progress {
  background: rgba(78, 167, 255, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(78, 167, 255, 0.2);
}

.project-badge.progress .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex: 1;
}

.project-progress {
  margin-bottom: 1.5rem;
}

.project-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.project-progress-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-progress-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.project-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.project-progress-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  position: relative;
  transition: width 1s ease;
}

/* Marching ants animation */
.project-progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 4px,
    rgba(255, 255, 255, 0.15) 4px,
    rgba(255, 255, 255, 0.15) 8px
  );
  animation: marching-ants 0.6s linear infinite;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* ===== LATEST ACTIVITY ===== */
.activity {
  background: var(--bg-primary);
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.activity-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

.activity-source {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.activity-source-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.activity-source-dot.mep { background: var(--accent-primary); }
.activity-source-dot.rahaf { background: var(--accent-secondary); }
.activity-source-dot.gfh { background: var(--success); }

.activity-source-name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.activity-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: auto;
}

.activity-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.activity-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.activity-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition-fast);
}

.activity-link:hover {
  gap: 0.6rem;
}

.activity-placeholder {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  opacity: 0.5;
}

/* ===== CONTACT ===== */
.contact {
  background: var(--bg-secondary);
  text-align: center;
  padding: 6rem 0;
}

.contact-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.contact-subtitle {
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--accent-primary);
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer-status .indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ===== CUSTOM CURSOR ===== */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  pointer-events: none;
  z-index: 9999;
  transition: width 0.3s, height 0.3s, background 0.3s, border 0.3s;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.cursor-dot.expanded {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--accent-primary);
  mix-blend-mode: normal;
}

/* ===== FOCUS STATES ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-accent { color: var(--accent-primary); }
.text-success { color: var(--success); }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ===== SELECTION ===== */
::selection {
  background: var(--accent-glow-strong);
  color: var(--text-primary);
}