/* ═══════════════════════════════════════════════════════
   PORTFOLIO – style.css
   Alex Morgan | Frontend Developer Portfolio
═══════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────── */
:root {
  /* Dark theme (default) */
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #0f0f1a;
  --bg-card:       #13131f;
  --bg-card-hover: #1a1a2e;
  --bg-glass:      rgba(255,255,255,0.04);
  --border:        rgba(255,255,255,0.08);
  --border-hover:  rgba(139,92,246,0.4);

  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #64748b;

  --accent-1:      #8b5cf6;   /* violet */
  --accent-2:      #06b6d4;   /* cyan   */
  --accent-3:      #f472b6;   /* pink   */
  --gradient:      linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --gradient-soft: linear-gradient(135deg, rgba(139,92,246,.15) 0%, rgba(6,182,212,.15) 100%);

  --shadow-sm:     0 2px 8px rgba(0,0,0,.4);
  --shadow-md:     0 8px 32px rgba(0,0,0,.5);
  --shadow-lg:     0 20px 60px rgba(0,0,0,.6);
  --shadow-glow:   0 0 40px rgba(139,92,246,.25);

  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     20px;
  --radius-xl:     28px;

  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.6s cubic-bezier(0.4,0,0.2,1);

  --nav-h:         70px;
  --font-main:     'Inter', sans-serif;
  --font-code:     'Fira Code', monospace;
}

[data-theme="light"] {
  --bg-primary:    #f8fafc;
  --bg-secondary:  #f1f5f9;
  --bg-card:       #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-glass:      rgba(0,0,0,0.03);
  --border:        rgba(0,0,0,0.08);
  --border-hover:  rgba(139,92,246,0.5);

  --text-primary:  #0f172a;
  --text-secondary:#475569;
  --text-muted:    #94a3b8;

  --shadow-sm:     0 2px 8px rgba(0,0,0,.06);
  --shadow-md:     0 8px 32px rgba(0,0,0,.08);
  --shadow-lg:     0 20px 60px rgba(0,0,0,.12);
  --shadow-glow:   0 0 40px rgba(139,92,246,.15);
}

/* ── Reset & Base ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: none; }
input, textarea { font-family: inherit; }

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent-1), var(--accent-2));
  border-radius: 99px;
}

/* ── Gradient Text ──────────────────────────────────── */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Container ──────────────────────────────────────── */
.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

/* ── Section Base ───────────────────────────────────── */
.section { padding: 7rem 0; }
.section-alt { background: var(--bg-secondary); }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: .6rem;
  display: block;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
}

/* ── Buttons ────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 2rem;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139,92,246,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139,92,246,.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  border: 2px solid var(--border-hover);
  color: var(--accent-1);
  background: transparent;
}
.btn-secondary:hover {
  background: rgba(139,92,246,.1);
  transform: translateY(-2px);
}

/* ── Tags ───────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: .2rem .65rem;
  background: var(--gradient-soft);
  border: 1px solid var(--border-hover);
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  color: var(--accent-2);
  letter-spacing: .03em;
}

/* ════════════════════════════════════════════════════
   PRELOADER
════════════════════════════════════════════════════ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; }

.preloader-inner { text-align: center; }
.preloader-logo {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse 1.2s ease-in-out infinite;
  margin-bottom: 1.5rem;
}
.preloader-bar {
  width: 200px;
  height: 3px;
  background: var(--border);
  border-radius: 99px;
  margin: 0 auto .75rem;
  overflow: hidden;
}
.preloader-fill {
  height: 100%;
  border-radius: 99px;
  background: var(--gradient);
  animation: preload-fill 2s ease forwards;
  width: 0;
}
.preloader-text {
  font-size: .8rem;
  color: var(--text-muted);
  font-family: var(--font-code);
}

@keyframes preload-fill { to { width: 100%; } }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.7;transform:scale(0.97)} }

/* ════════════════════════════════════════════════════
   CUSTOM CURSOR
════════════════════════════════════════════════════ */
#cursor-dot, #cursor-outline {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition-property: transform, opacity;
  transition-timing-function: cubic-bezier(0.4,0,0.2,1);
}
#cursor-dot {
  width: 8px; height: 8px;
  background: var(--accent-1);
  transition-duration: 0s;
}
#cursor-outline {
  width: 36px; height: 36px;
  border: 2px solid rgba(139,92,246,.6);
  background: transparent;
  transition-duration: .12s;
}
.cursor-hover #cursor-outline {
  width: 56px; height: 56px;
  background: rgba(139,92,246,.08);
  border-color: var(--accent-1);
}

/* ════════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: all var(--transition);
  background: transparent;
}
#navbar.scrolled {
  background: rgba(10,10,15,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: 58px;
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] #navbar.scrolled {
  background: rgba(248,250,252,.88);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -.02em;
}
.nav-logo span { background: var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

.nav-links {
  display: flex;
  gap: .25rem;
  align-items: center;
}
.nav-link {
  padding: .45rem .9rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--gradient);
  border-radius: 99px;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  left: .7rem; right: .7rem;
}

.nav-actions { display: flex; align-items: center; gap: .75rem; }

.theme-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.theme-btn:hover { border-color: var(--accent-1); color: var(--accent-1); background: rgba(139,92,246,.1); }

.btn-resume {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-1);
  background: rgba(139,92,246,.1);
  color: var(--accent-1);
  font-size: .88rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-resume:hover { background: var(--accent-1); color: #fff; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 99px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: min(300px, 85%);
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: .5rem;
    z-index: 999;
    transition: right var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.1rem; width: 100%; }
  .btn-resume { display: none; }
}

/* ════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem 1rem;
  background: rgba(139,92,246,.12);
  border: 1px solid rgba(139,92,246,.3);
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent-1);
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 2px rgba(74,222,128,.3);
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.4} }

.hero-name {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}

.hero-role {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2.5rem;
}
.typed-text {
  color: var(--accent-2);
  font-weight: 700;
}
.cursor-blink {
  color: var(--accent-1);
  animation: blink-cursor .8s step-start infinite;
  font-weight: 300;
}
@keyframes blink-cursor { 50%{opacity:0} }

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2.5rem;
}
.hero-br { display: inline; }

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-socials {
  display: flex;
  gap: 1rem;
  justify-content: center;
}
.social-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.social-icon:hover {
  background: rgba(139,92,246,.15);
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(139,92,246,.25);
}

/* Scroll Hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--text-muted);
  font-size: .75rem;
  animation: float 2.5s ease-in-out infinite;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  display: flex; justify-content: center;
  padding-top: 5px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--text-muted);
  border-radius: 99px;
  animation: scroll-wheel 1.8s ease infinite;
}
@keyframes scroll-wheel { 0%{transform:translateY(0);opacity:1} 100%{transform:translateY(12px);opacity:0} }
@keyframes float { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(-6px)} }

/* ════════════════════════════════════════════════════
   ABOUT
════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}
.about-image-border {
  position: absolute;
  inset: -12px;
  border-radius: var(--radius-xl);
  background: var(--gradient);
  opacity: .35;
  z-index: 0;
}
.about-image-container {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border);
  aspect-ratio: 4/5;
}
.about-image-container img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform .5s ease;
}
.about-image-container:hover img { transform: scale(1.04); }

.about-stats {
  position: absolute;
  bottom: -1.5rem; right: -1.5rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  z-index: 2;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: .6rem 1rem;
  text-align: center;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  min-width: 100px;
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
}
.stat-label {
  display: block;
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: .1rem;
}

.about-text h3 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin: 1.5rem 0;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .88rem;
  color: var(--text-secondary);
}
.highlight-item i {
  color: var(--accent-1);
  width: 16px;
  flex-shrink: 0;
}

/* ════════════════════════════════════════════════════
   SKILLS
════════════════════════════════════════════════════ */
.skills-wrapper {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* Tech Icons */
.tech-icons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem .75rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  cursor: default;
  overflow: hidden;
}
.tech-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--tc,transparent) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
}
.tech-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.tech-card:hover::before { opacity: .08; }

.tech-icon-wrap {
  font-size: 2.2rem;
  color: var(--tc, var(--accent-1));
  margin-bottom: .5rem;
  display: flex; align-items: center; justify-content: center;
  height: 44px;
  filter: drop-shadow(0 0 8px var(--tc, var(--accent-1)));
  transition: var(--transition);
}
.tech-card:hover .tech-icon-wrap { transform: scale(1.1); }

.tech-card span {
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: .04em;
}

/* Tooltip */
.tech-card[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: .7rem;
  padding: .3rem .6rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.tech-card:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Skill Bars */
.skills-bars { position: sticky; top: 120px; }
.skills-bars-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}
.skill-bar-item { margin-bottom: 1.2rem; }
.skill-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .4rem;
  font-size: .88rem;
  font-weight: 500;
}
.skill-pct { color: var(--text-muted); font-size: .8rem; }
.skill-bar-track {
  height: 7px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: var(--bar-color, var(--accent-1));
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 10px var(--bar-color, var(--accent-1));
}

/* ════════════════════════════════════════════════════
   PROJECTS
════════════════════════════════════════════════════ */
.filter-btns {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: .45rem 1.2rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: .85rem;
  font-weight: 600;
  transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(139,92,246,.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  transform-style: preserve-3d;
}
.project-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-6px);
}
.project-card.hidden { display: none; }

.project-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.project-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.project-card:hover .project-img-wrap img { transform: scale(1.06); }

.project-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,15,.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }

.overlay-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.overlay-btn:hover {
  background: var(--accent-1);
  border-color: var(--accent-1);
  transform: scale(1.1);
}

.project-body { padding: 1.25rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .75rem; }
.project-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .4rem;
  color: var(--text-primary);
}
.project-desc {
  font-size: .83rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ════════════════════════════════════════════════════
   EXPERIENCE / TIMELINE
════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-2));
  transform: translateX(-50%);
  border-radius: 99px;
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 2.5rem);
  margin-bottom: 3rem;
  position: relative;
}
.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 2.5rem);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 1.2rem;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--gradient);
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 0 4px rgba(139,92,246,.25);
  z-index: 1;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  width: 100%;
  transition: var(--transition);
}
.timeline-content:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateX(-4px);
}
.timeline-item:nth-child(even) .timeline-content:hover { transform: translateX(4px); }

.timeline-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .4rem;
  flex-wrap: wrap;
}
.timeline-header h3 { font-size: 1.05rem; font-weight: 700; }
.timeline-badge {
  font-size: .68rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.timeline-badge.current { background: rgba(74,222,128,.15); color:#4ade80; border:1px solid rgba(74,222,128,.3); }
.timeline-badge.edu { background: rgba(251,191,36,.15); color:#fbbf24; border:1px solid rgba(251,191,36,.3); }

.timeline-company, .timeline-date {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: .3rem;
}
.timeline-company i, .timeline-date i { color: var(--accent-1); font-size: .75rem; }
.timeline-date { margin-bottom: .8rem; }
.timeline-desc { font-size: .88rem; color: var(--text-secondary); margin-bottom: .75rem; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: .3rem; }

/* ════════════════════════════════════════════════════
   CONTACT
════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.contact-info > p { color: var(--text-secondary); margin-bottom: 2rem; }

.contact-details { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  color: var(--text-primary);
}
.contact-item:hover { border-color: var(--border-hover); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.contact-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(139,92,246,.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-1);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-label {
  display: block;
  font-size: .7rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.contact-value { font-size: .9rem; font-weight: 600; }

.contact-socials { display: flex; gap: .65rem; }
.csocial {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: .95rem;
  transition: var(--transition);
}
.csocial:hover { background: var(--gradient); border-color: transparent; color: #fff; transform: translateY(-3px); box-shadow: 0 8px 20px rgba(139,92,246,.3); }

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .4rem;
}
.required { color: var(--accent-3); }
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  color: var(--text-primary);
  font-size: .9rem;
  transition: var(--transition);
  outline: none;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(139,92,246,.15);
}
.form-group input.error, .form-group textarea.error { border-color: #f87171; }
.field-error {
  display: block;
  font-size: .75rem;
  color: #f87171;
  margin-top: .3rem;
  min-height: 1rem;
}

.form-submit { width: 100%; justify-content: center; margin-top: .5rem; border: none; }
.form-submit.loading { opacity: .7; pointer-events: none; }

.form-success {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .75rem 1rem;
  background: rgba(74,222,128,.1);
  border: 1px solid rgba(74,222,128,.3);
  border-radius: var(--radius-sm);
  color: #4ade80;
  font-size: .9rem;
  margin-top: .75rem;
  animation: fade-in .4s ease;
}

/* ════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════ */
#footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo { font-size: 1.5rem; font-weight: 900; display: inline-block; margin-bottom: .75rem; }
.footer-logo span { background: var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.footer-brand p { color: var(--text-muted); font-size: .85rem; margin-bottom: 1.25rem; }
.footer-socials { display: flex; gap: .5rem; }
.footer-socials a {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: .85rem;
  transition: var(--transition);
}
.footer-socials a:hover { background: var(--gradient); border-color: transparent; color: #fff; }

.footer-links-col h4 { font-size: .9rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-primary); }
.footer-links-col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-links-col a { font-size: .85rem; color: var(--text-muted); transition: var(--transition); }
.footer-links-col a:hover { color: var(--accent-1); padding-left: 4px; }

.footer-newsletter h4 { font-size: .9rem; font-weight: 700; margin-bottom: .5rem; color: var(--text-primary); }
.footer-newsletter p { font-size: .83rem; color: var(--text-muted); margin-bottom: 1rem; }
.newsletter-form { display: flex; gap: .5rem; }
.newsletter-form input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .6rem .9rem;
  color: var(--text-primary);
  font-size: .85rem;
  outline: none;
  transition: var(--transition);
}
.newsletter-form input:focus { border-color: var(--accent-1); }
.newsletter-form button {
  padding: .6rem 1rem;
  background: var(--gradient);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: .9rem;
  transition: var(--transition);
}
.newsletter-form button:hover { box-shadow: 0 4px 15px rgba(139,92,246,.35); transform: scale(1.05); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  font-size: .8rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); transition: var(--transition); }
.footer-bottom a:hover { color: var(--accent-1); }

/* ════════════════════════════════════════════════════
   SCROLL-TO-TOP
════════════════════════════════════════════════════ */
#scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--gradient);
  border: none;
  color: #fff;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(139,92,246,.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 500;
}
#scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(139,92,246,.5); }

/* ════════════════════════════════════════════════════
   PROJECT MODAL
════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: min(700px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(.92) translateY(20px);
  transition: transform .4s cubic-bezier(0.4,0,0.2,1);
  box-shadow: var(--shadow-lg);
}
.modal-overlay.open .modal-container { transform: scale(1) translateY(0); }

.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
  transition: var(--transition);
}
.modal-close:hover { background: #f87171; color: #fff; border-color: #f87171; }

.modal-img {
  width: 100%;
  aspect-ratio: 16/8;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-placeholder {
  width: 100%;
  aspect-ratio: 16/8;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  font-size: 5rem;
  color: rgba(255,255,255,.2);
}
.modal-info { padding: 1.75rem; }
.modal-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .75rem; }
.modal-info h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: .75rem; }
.modal-info p { color: var(--text-secondary); margin-bottom: 1.25rem; font-size: .9rem; }
.modal-links { display: flex; gap: .75rem; }
.modal-link {
  display: flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.modal-link:hover { border-color: var(--accent-1); color: var(--accent-1); background: rgba(139,92,246,.08); }
.modal-link.primary { background: var(--gradient); color: #fff; border-color: transparent; }
.modal-link.primary:hover { box-shadow: 0 4px 15px rgba(139,92,246,.4); transform: translateY(-1px); }

/* ════════════════════════════════════════════════════
   ANIMATIONS
════════════════════════════════════════════════════ */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity .7s ease, transform .7s ease;
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* Stagger for grid children */
.tech-icons-grid .tech-card:nth-child(1) { transition-delay:.05s; }
.tech-icons-grid .tech-card:nth-child(2) { transition-delay:.1s; }
.tech-icons-grid .tech-card:nth-child(3) { transition-delay:.15s; }
.tech-icons-grid .tech-card:nth-child(4) { transition-delay:.2s; }
.tech-icons-grid .tech-card:nth-child(5) { transition-delay:.25s; }
.tech-icons-grid .tech-card:nth-child(6) { transition-delay:.3s; }
.tech-icons-grid .tech-card:nth-child(7) { transition-delay:.35s; }
.tech-icons-grid .tech-card:nth-child(8) { transition-delay:.4s; }
.tech-icons-grid .tech-card:nth-child(9) { transition-delay:.45s; }
.tech-icons-grid .tech-card:nth-child(10) { transition-delay:.5s; }
.tech-icons-grid .tech-card:nth-child(11) { transition-delay:.55s; }
.tech-icons-grid .tech-card:nth-child(12) { transition-delay:.6s; }

.projects-grid .project-card:nth-child(1) { transition-delay:.05s; }
.projects-grid .project-card:nth-child(2) { transition-delay:.1s; }
.projects-grid .project-card:nth-child(3) { transition-delay:.15s; }
.projects-grid .project-card:nth-child(4) { transition-delay:.2s; }
.projects-grid .project-card:nth-child(5) { transition-delay:.25s; }
.projects-grid .project-card:nth-child(6) { transition-delay:.3s; }

@keyframes fade-in { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* ════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-image-wrap { max-width: 420px; margin: 0 auto; }
  .about-stats { flex-direction: row; flex-wrap: wrap; bottom: -1rem; right: .5rem; }

  .skills-wrapper { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-bars { position: static; }

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

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

@media (max-width: 768px) {
  .section { padding: 5rem 0; }

  .timeline::before { left: 18px; }
  .timeline-item, .timeline-item:nth-child(even) {
    padding-left: 3.5rem;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-dot { left: 18px; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

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

  .hero-br { display: none; }

  .tech-icons-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .about-highlights { grid-template-columns: 1fr; }
  .tech-icons-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; align-items: center; }
  #cursor-dot, #cursor-outline { display: none; }
  body { cursor: auto; }
  button { cursor: pointer; }
  a { cursor: pointer; }
}