/* ============================================================
   PORTFOLIO CSS — Alex Mercer
   Dark/Light mode, custom animations, unique aesthetic
   ============================================================ */

/* ---------- Google Fonts fallback in case CDN blocked ---------- */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

/* ---------- CSS Variables (Dark Mode default) ---------- */
@keyframes spin {
    to { transform: rotate(360deg); }
}


:root {
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Brand accent */
  --accent: #6EE7C7;
  --accent-2: #A78BFA;
  --accent-3: #F97316;

  /* Surface */
  --bg-base: #0A0A0F;
  --bg-surface: #111118;
  --bg-card: #17171F;
  --bg-card-hover: #1E1E28;
  --bg-glass: rgba(255, 255, 255, 0.04);

  /* Text */
  --text-primary: #F0EFF6;
  --text-secondary: #9B9AAD;
  --text-muted: #5A5A72;

  /* Border */
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(110, 231, 199, 0.3);

  /* Glow */
  --glow-accent: rgba(110, 231, 199, 0.15);
  --glow-2: rgba(167, 139, 250, 0.1);

  /* Shadows */
  --shadow-card: 0 4px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 60px rgba(110, 231, 199, 0.08);

  /* Nav */
  --nav-bg: rgba(10, 10, 15, 0.85);

  /* Transition */
  --t: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-base: #F8F7FF;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F3F2FF;
  --bg-glass: rgba(0, 0, 0, 0.03);

  --text-primary: #0E0E1A;
  --text-secondary: #5A5870;
  --text-muted: #9B9AAD;

  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(79, 70, 229, 0.3);

  --glow-accent: rgba(79, 70, 229, 0.08);
  --glow-2: rgba(167, 139, 250, 0.06);

  --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 60px rgba(79, 70, 229, 0.06);

  --nav-bg: rgba(248, 247, 255, 0.9);

  --accent: #4F46E5;
  --accent-2: #7C3AED;
  --accent-3: #EA580C;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  transition: background-color var(--t), color var(--t);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------- Noise Texture ---------- */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
}

/* ---------- Custom Cursor ---------- */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-accent) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: left 0.1s, top 0.1s;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.pf-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t), border-color var(--t);
}

.pf-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.pf-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.pf-nav__logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: #0A0A0F;
  flex-shrink: 0;
}

.pf-nav__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  transition: color var(--t);
}

.pf-nav__links {
  display: none;
  gap: 0.25rem;
  margin-left: auto;
}

@media (min-width: 992px) {
  .pf-nav__links { display: flex; }
}

.pf-nav__link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: color var(--t), background var(--t);
  letter-spacing: 0.01em;
}
.pf-nav__link:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.pf-nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

@media (min-width: 992px) {
  .pf-nav__actions { margin-left: 0; }
}

/* Theme Toggle */
.pf-theme-toggle {
  width: 42px; height: 42px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.pf-theme-toggle:hover {
  color: var(--accent);
  border-color: var(--border-hover);
  background: var(--glow-accent);
}

.pf-theme-toggle__icon {
  position: absolute;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s;
}

.pf-theme-toggle__sun { transform: translateY(0); opacity: 1; }
.pf-theme-toggle__moon { transform: translateY(100%); opacity: 0; }

[data-theme="light"] .pf-theme-toggle__sun { transform: translateY(-100%); opacity: 0; }
[data-theme="light"] .pf-theme-toggle__moon { transform: translateY(0); opacity: 1; }

/* Nav CTA */
.pf-nav__cta {
  display: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--bg-base);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 10px;
  padding: 0.55rem 1.3rem;
  text-decoration: none;
  transition: opacity var(--t), transform var(--t);
}
.pf-nav__cta:hover { opacity: 0.9; transform: translateY(-1px); color: var(--bg-base); }

@media (min-width: 992px) { .pf-nav__cta { display: inline-flex; } }

/* Hamburger */
.pf-nav__hamburger {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px; height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.pf-nav__hamburger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--t);
}

/* Mobile Menu */
.pf-nav__mobile {
  display: flex;
  flex-direction: column;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 1px solid transparent;
}
.pf-nav__mobile.open {
  max-height: 300px;
  border-color: var(--border);
}
.pf-nav__mobile-link {
  font-size: 15px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  transition: color var(--t);
}
.pf-nav__mobile-link:hover { color: var(--text-primary); }

/* Scrolled state */
.pf-nav.scrolled { border-bottom-color: var(--border); }

/* ============================================================
   HERO
   ============================================================ */
.pf-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 7rem 0 4rem;
}

/* Animated grid background */
.pf-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* Floating gradient orbs */
.pf-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}
.pf-hero__orb--1 {
  width: 500px; height: 500px;
  top: -100px; left: -100px;
  background: var(--glow-accent);
}
.pf-hero__orb--2 {
  width: 400px; height: 400px;
  bottom: -50px; right: -50px;
  background: var(--glow-2);
  animation-delay: -4s;
}
.pf-hero__orb--3 {
  width: 250px; height: 250px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(249, 115, 22, 0.06);
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}

.pf-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.pf-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  animation: fadeSlideUp 0.6s ease both;
}
.pf-hero__eyebrow::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.pf-hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  animation: fadeSlideUp 0.6s 0.1s ease both;
}

.pf-hero__headline-line { display: block; }
.pf-hero__headline-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pf-hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  animation: fadeSlideUp 0.6s 0.2s ease both;
}

.pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
  animation: fadeSlideUp 0.6s 0.3s ease both;
}

/* Buttons */
.btn-primary-pf {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: #0A0A0F;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 12px;
  padding: 0.85rem 2rem;
  text-decoration: none;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.btn-primary-pf::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--t);
}
.btn-primary-pf:hover { transform: translateY(-2px); color: #0A0A0F; }
.btn-primary-pf:hover::after { opacity: 1; }

.btn-ghost-pf {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 2rem;
  text-decoration: none;
  transition: all var(--t);
}
.btn-ghost-pf:hover {
  border-color: var(--border-hover);
  background: var(--glow-accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* Stats bar */
.pf-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  animation: fadeSlideUp 0.6s 0.4s ease both;
}

.pf-hero__stat {}
.pf-hero__stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pf-hero__stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Scroll indicator */
.pf-hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeIn 1s 1s ease both;
}
.pf-hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   SECTION BASE
   ============================================================ */
.pf-section {
  padding: 6rem 0;
  position: relative;
}

.pf-section__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.pf-section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.pf-section__label::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--accent);
}

.pf-section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.pf-section__subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

/* ============================================================
   WORK / PROJECTS
   ============================================================ */
.pf-works {
  background: var(--bg-surface);
}

.pf-works__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.pf-works__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .pf-works__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .pf-works__grid { grid-template-columns: repeat(3, 1fr); }
  .pf-works__grid .pf-card--featured {
    grid-column: span 2;
  }
}

/* Project Card */
.pf-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--t);
  position: relative;
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}
.pf-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  color: inherit;
}

.pf-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  background: var(--bg-card-hover);
  position: relative;
  overflow: hidden;
}

/* Placeholder image with pattern */
.pf-card__img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-card-hover);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-card__img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, var(--border) 0, var(--border) 1px, transparent 0, transparent 50%);
  background-size: 20px 20px;
}

.pf-card__img-icon {
  position: relative;
  z-index: 1;
  font-size: 3rem;
  opacity: 0.15;
}

.pf-card__body {
  padding: 1.5rem;
}

.pf-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1rem;
}

.pf-card__tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--glow-accent);
  border: 1px solid rgba(110, 231, 199, 0.2);
  border-radius: 6px;
  padding: 3px 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

[data-theme="light"] .pf-card__tag {
  color: var(--accent);
  background: rgba(79, 70, 229, 0.06);
  border-color: rgba(79, 70, 229, 0.2);
}

.pf-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.pf-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.pf-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pf-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: gap var(--t);
}
.pf-card:hover .pf-card__link { gap: 10px; }

.pf-card__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--glow-accent);
  border: 1px solid var(--border-hover);
  color: var(--accent);
  transition: all var(--t);
}
.pf-card:hover .pf-card__arrow {
  background: var(--accent);
  color: #0A0A0F;
}

/* ============================================================
   ABOUT
   ============================================================ */
.pf-about__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}
@media (min-width: 992px) {
  .pf-about__layout { grid-template-columns: 1fr 1fr; }
}

.pf-about__visual {
  position: relative;
}

.pf-about__photo-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

/* Placeholder photo pattern */
.pf-about__photo-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-card-hover) 0%, var(--bg-card) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.pf-about__photo-placeholder::after {
  content: 'AM';
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 800;
  color: var(--border);
  letter-spacing: -0.05em;
}

/* Floating badge on photo */
.pf-about__badge {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  z-index: 2;
}
.pf-about__badge-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.pf-about__badge-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Corner decoration */
.pf-about__deco {
  position: absolute;
  top: -1.5rem;
  left: -1.5rem;
  width: 80px; height: 80px;
  border: 2px solid var(--accent);
  border-radius: 16px;
  opacity: 0.3;
  animation: spinSlow 20s linear infinite;
}

@keyframes spinSlow { to { transform: rotate(360deg); } }

.pf-about__content {}

.pf-about__bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

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

.pf-about__list {
  list-style: none;
  margin-bottom: 2rem;
}
.pf-about__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.pf-about__list li:first-child { border-top: 1px solid var(--border); }
.pf-about__list-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

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

.pf-skills__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .pf-skills__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .pf-skills__grid { grid-template-columns: repeat(4, 1fr); }
}

.pf-skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.75rem 1.5rem;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.pf-skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.pf-skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pf-skill-card:hover::before { transform: scaleX(1); }

.pf-skill-card__icon {
  width: 48px; height: 48px;
  background: var(--glow-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  border: 1px solid var(--border-hover);
}

.pf-skill-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.pf-skill-card__items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pf-skill-pill {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
}

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
.pf-timeline {
  position: relative;
  padding-left: 2rem;
  margin-top: 2rem;
}
.pf-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.pf-timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}
.pf-timeline__item:last-child { padding-bottom: 0; }

.pf-timeline__dot {
  position: absolute;
  left: -2.4rem;
  top: 4px;
  width: 14px; height: 14px;
  background: var(--bg-base);
  border: 2px solid var(--accent);
  border-radius: 50%;
}

.pf-timeline__period {
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 4px;
}

.pf-timeline__role {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pf-timeline__company {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 2px;
  margin-bottom: 0.75rem;
}

.pf-timeline__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   CONTACT
   ============================================================ */
.pf-contact {
  position: relative;
  overflow: hidden;
}

.pf-contact__inner-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 4rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.pf-contact__inner-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, var(--glow-accent), transparent 60%),
              radial-gradient(ellipse at bottom right, var(--glow-2), transparent 60%);
  pointer-events: none;
}

.pf-contact__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
}

.pf-contact__sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  position: relative;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.pf-contact__form {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  text-align: left;
}

.pf-form-group {
  margin-bottom: 1.25rem;
}

.pf-form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.pf-form-control {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  transition: all var(--t);
  outline: none;
  resize: none;
}
.pf-form-control:focus {
  border-color: var(--border-hover);
  box-shadow: 0 0 0 3px var(--glow-accent);
}
.pf-form-control::placeholder { color: var(--text-muted); }

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

@media (max-width: 480px) {
  .pf-form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.pf-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 1.5rem;
  background: var(--bg-base);
}

.pf-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

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

.pf-footer__brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.pf-footer__links {
  display: flex;
  gap: 1rem;
}

.pf-footer__social {
  width: 40px; height: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--t);
}
.pf-footer__social:hover {
  color: var(--accent);
  border-color: var(--border-hover);
  background: var(--glow-accent);
}

.pf-footer__bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.pf-footer__bottom p {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 768px) {
  .pf-contact__inner-box { padding: 2rem 1.5rem; }
  .pf-about__badge { right: 0; }
}










.ap-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 0 4rem;
}

.ap-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.ap-hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}
.ap-hero__orb--1 {
    width: 500px; height: 500px;
    top: -150px; right: -100px;
    background: var(--glow-accent);
}
.ap-hero__orb--2 {
    width: 300px; height: 300px;
    bottom: -50px; left: -50px;
    background: var(--glow-2);
    animation-delay: -4s;
}

.ap-hero__inner {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.ap-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    margin-bottom: 2.5rem;
    transition: all var(--t);
    width: fit-content;
}
.ap-back-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateX(-3px);
}

.ap-hero__content {
    margin-bottom: 3rem;
    animation: fadeSlideUp 0.7s ease both;
}

.ap-hero__headline {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    margin-top: 1.5rem;
}

.ap-hero__line { display: block; }
.ap-hero__line--accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ap-hero__sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
    animation: fadeSlideUp 0.7s 0.1s ease both;
}

/* Stats */
.ap-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    animation: fadeSlideUp 0.7s 0.2s ease both;
}
.ap-stat-num {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.ap-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ── Filter bar ───────────────────────────── */
.ap-filter-section {
    position: sticky;
    top: 68px;
    z-index: 50;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.ap-filter-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.ap-filter-bar {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    flex: 1;
}

.ap-filter-btn {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.45rem 1.1rem;
    cursor: pointer;
    transition: all var(--t);
    white-space: nowrap;
}
.ap-filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--glow-accent);
}
.ap-filter-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-color: transparent;
    color: #0A0A0F;
    font-weight: 600;
}

/* Search */
.ap-search-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.45rem 1.1rem;
    color: var(--text-muted);
    min-width: 200px;
    transition: border-color var(--t);
}
.ap-search-wrap:focus-within {
    border-color: var(--border-hover);
    color: var(--accent);
}
.ap-search {
    background: none;
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
    width: 100%;
}
.ap-search::placeholder { color: var(--text-muted); }

/* ── Projects grid ────────────────────────── */
.ap-projects {
    padding: 4rem 0 6rem;
}
.ap-projects__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.ap-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .ap-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
    .ap-grid { grid-template-columns: repeat(3, 1fr); }
    .ap-grid .pf-card--featured { grid-column: span 2; }
}

/* Card hide/show for filtering */
.ap-card.hidden {
    display: none !important;
}

/* No results */
.ap-no-results {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 15px;
    grid-column: 1 / -1;
}