/* ============================================================
   DESIGN TOKENS (BRIGHT THEME)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Colors - Light Theme */
  --clr-bg: #f8fafc;
  --clr-surface: #ffffff;
  --clr-surface-2: #f1f5f9;
  --clr-surface-3: #e2e8f0;
  --clr-border: rgba(15, 23, 42, 0.08);
  --clr-border-hover: rgba(15, 23, 42, 0.2);

  --clr-accent: #2563eb;
  --clr-accent-dim: rgba(37, 99, 235, 0.08);
  --clr-accent-glow: rgba(37, 99, 235, 0.25);
  --clr-green: #059669;
  --clr-green-dim: rgba(5, 150, 105, 0.08);
  --clr-orange: #d97706;
  --clr-orange-dim: rgba(217, 119, 6, 0.08);

  --clr-text-primary: #0f172a;
  --clr-text-secondary: #475569;
  --clr-text-muted: #64748b;

  /* Typography */
  --font: 'Inter', sans-serif;
  --tracking-tight: -0.04em;
  --tracking-wide: 0.15em;

  /* Spacing & Layout */
  --max-w: 1200px;
  --section-pad: 32px;
  --nav-h: 72px;

  /* Animation */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.7s;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--font);
  background-color: var(--clr-bg);
  color: var(--clr-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ============================================================
   NOISE TEXTURE OVERLAY
   ============================================================ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
  filter: invert(1);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 40px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav__logo {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: var(--tracking-tight);
  color: var(--clr-text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: var(--clr-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav__link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-text-primary);
  background: var(--clr-surface-3);
}

.nav__cta {
  margin-left: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: #fff;
  background: var(--clr-accent);
  padding: 9px 22px;
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 12px var(--clr-accent-glow);
}

.nav__cta:hover { 
  opacity: 0.9; 
  transform: translateY(-1px); 
  box-shadow: 0 6px 16px var(--clr-accent-glow);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 20px);
  padding-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
  top: -100px; left: -200px;
  pointer-events: none;
}

.hero__glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(5, 150, 105, 0.08) 0%, transparent 70%);
  bottom: 0px; right: 0;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 24px;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 2px;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero__title .highlight {
  background: linear-gradient(135deg, var(--clr-accent), #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--clr-text-secondary);
  line-height: 1.4;
  max-width: 600px;
  margin-bottom: 24px;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.hero__tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: 6px 14px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.hero__actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--clr-accent);
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
  box-shadow: 0 6px 20px var(--clr-accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.35);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-primary);
  background: var(--clr-surface);
  padding: 13px 28px;
  border-radius: 10px;
  border: 1px solid var(--clr-border);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.btn-outline:hover {
  border-color: var(--clr-accent);
  background: var(--clr-surface-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.05);
}

/* Hero Visual - Profile Image */
.hero__visual {
  position: relative;
}

.hero__profile-img-container {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1/1;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1), 0 0 0 8px var(--clr-surface);
  position: relative;
  background: var(--clr-surface);
}

.hero__profile-img-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-accent), #6366f1, var(--clr-green));
  z-index: 2;
}

.hero__profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__floating-badge {
  position: absolute;
  top: 16px; right: -24px;
  background: var(--clr-green);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(5, 150, 105, 0.35);
  animation: float 3s ease-in-out infinite;
  z-index: 10;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding: var(--section-pad) 40px;
  position: relative;
}

.section--compact {
  padding: 16px 40px;
}

.aligned-container {
  max-width: 100%;
  margin: 0 auto;
}

.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 16px;
}

.section__tag::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 2px;
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
  margin-bottom: 12px;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 32px;
}

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.skills__header {
  text-align: center;
  margin-bottom: 32px;
}

.skills__header .section__subtitle {
  margin: 0 auto;
}

.skill-group-title {
  font-size: 0.75rem;
  font-weight: 950;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-group-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.skills__grid--people {
  margin-top: 16px;
}

.skill-card--no-icon {
  padding: 24px 16px;
  text-align: center;
}

.skill-card--no-icon .skill-card__title {
  white-space: normal;
  text-align: center;
}

.education__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 16px;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.skill-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.skill-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.skill-card__icon--blue { background: var(--clr-accent-dim); }
.skill-card__icon--green { background: var(--clr-green-dim); }
.skill-card__icon--orange { background: var(--clr-orange-dim); }
.skill-card__icon--purple { background: rgba(99, 102, 241, 0.1); }

.skill-card__title {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0;
  white-space: nowrap;
}

.skill-card__desc {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
}

.skill-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.tool-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: 4px 10px;
  border-radius: 6px;
}

.edu-logo {
  height: 60px;
  object-fit: contain;
  margin-top: 16px;
  display: block;
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects__header {
  text-align: center;
  margin-bottom: 24px;
}

.projects__header .section__subtitle {
  margin: 0 auto;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.35s var(--ease), box-shadow 0.35s;
  position: relative;
  box-shadow: 0 8px 30px rgba(0,0,0,0.03);
}

.project-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.08);
}

.project-card__visual {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__visual--olist {
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 50%, #7dd3fc 100%);
}

.project-card__visual--telco {
  background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 50%, #d8b4fe 100%);
}

.project-card__visual--ou {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 50%, #a7f3d0 100%);
}

.project-card__visual-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.project-card__visual-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  display: block;
}

.project-card__visual-label {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-text-secondary);
  background: rgba(255,255,255,0.6);
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.project-card__visual-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.4;
}

.project-card__body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__category {
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
  white-space: nowrap;
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 12px;
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
  flex: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.project-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 6px;
}

.project-tag--blue { background: var(--clr-accent-dim); color: var(--clr-accent); border: 1px solid rgba(37,99,235,0.15); }
.project-tag--green { background: var(--clr-green-dim); color: var(--clr-green); border: 1px solid rgba(5,150,105,0.15); }
.project-tag--orange { background: var(--clr-orange-dim); color: var(--clr-orange); border: 1px solid rgba(217,119,6,0.15); }
.project-tag--purple { background: rgba(99, 102, 241, 0.1); color: #4f46e5; border: 1px solid rgba(99,102,241,0.15); }
.project-tag--slate { background: var(--clr-bg); color: var(--clr-text-secondary); border: 1px solid var(--clr-border); }

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: auto;
  transition: gap 0.2s;
}

.project-card__link:hover { gap: 14px; }

.project-card__link--active { color: var(--clr-accent); }
.project-card__link--soon { color: var(--clr-text-muted); cursor: default; }

.project-card__coming-soon {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--clr-surface);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  z-index: 10;
}

/* ============================================================
   EXPERIENCE SECTION
   ============================================================ */
.experience {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.experience__layout {
  display: block;
  max-width: 100%;
  margin: 0 auto;
}

.experience__header {
  text-align: center;
  margin-bottom: 40px;
}

.experience__header .section__subtitle {
  margin: 0 auto;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.timeline__item {
  position: relative;
  padding-left: 24px;
  padding-bottom: 16px;
  border-left: 2px solid var(--clr-border);
}

.timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.timeline__dot {
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--clr-accent);
  border: 2px solid var(--clr-surface);
  box-shadow: 0 0 0 3px var(--clr-accent-dim);
}

.timeline__item:nth-child(2) .timeline__dot { background: var(--clr-green); box-shadow: 0 0 0 3px var(--clr-green-dim); }
.timeline__item:nth-child(3) .timeline__dot { background: var(--clr-orange); box-shadow: 0 0 0 3px var(--clr-orange-dim); }
.timeline__item:nth-child(4) .timeline__dot { background: var(--clr-text-muted); box-shadow: none; }

.timeline__date {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 8px;
}

.timeline__role {
  font-size: 1.05rem;
  font-weight: 900;
  margin-bottom: 2px;
}

.timeline__company {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: 8px;
}

.timeline__tasks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline__tasks li {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.4;
  position: relative;
  padding-left: 16px;
}

.timeline__tasks li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-text-muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.kpi-box {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.kpi-box:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}

.kpi-box__value {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  margin-bottom: 8px;
}

.kpi-box__label {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.kpi-box--blue .kpi-box__value { color: var(--clr-accent); }
.kpi-box--green .kpi-box__value { color: var(--clr-green); }
.kpi-box--orange .kpi-box__value { color: var(--clr-orange); }

.exp-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.exp-highlight {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.exp-highlight:hover { 
  border-color: var(--clr-border-hover); 
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.exp-highlight__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.exp-highlight__text {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
}

.exp-highlight__text strong { color: var(--clr-text-primary); font-weight: 800; }

/* ============================================================
   INSIGHTS / ARTICLES SECTION
   ============================================================ */
.insights__header {
  text-align: center;
  margin-bottom: 64px;
}

.insights__header .section__subtitle { margin: 0 auto; }

.insights__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.insight-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
}

.insight-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.06);
}

.insight-card__cat {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.insight-card__title {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.insight-card__summary {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.65;
  flex: 1;
}

.insight-card__meta {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
  padding-top: 16px;
  border-top: 1px solid var(--clr-border);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
}

.contact__layout {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact__info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
}

.contact__info-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
}

.contact__info-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.contact__socials {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.social-btn {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  border: 1px solid var(--clr-border);
  background: var(--clr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-primary);
  transition: border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.social-btn:hover {
  border-color: var(--clr-accent);
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px var(--clr-accent-glow);
}

/* Form */
.contact__form {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.04);
}

.form__title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.form__group {
  margin-bottom: 24px;
}

.form__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 10px;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 14px 18px;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--clr-text-primary);
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.01) inset;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 4px var(--clr-accent-dim);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--clr-text-muted);
}

.form__textarea { min-height: 140px; }

.form__select option { background: var(--clr-surface); }

.form__submit {
  width: 100%;
  padding: 16px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  background: var(--clr-accent);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 20px rgba(37,99,235,0.25);
}

.form__submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37,99,235,0.4);
}

.form__success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form__success.visible { display: block; }

.form__success-icon { font-size: 3rem; margin-bottom: 20px; color: var(--clr-green); }

.form__success-msg {
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 8px;
  color: var(--clr-text-primary);
}

.form__success-sub {
  font-size: 0.95rem;
  color: var(--clr-text-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--clr-border);
  padding: 64px 40px;
  background: var(--clr-surface);
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: center;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  font-weight: 500;
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__links a {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--clr-accent); }

.footer__contact {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  text-align: right;
  font-weight: 500;
}

.footer__contact a { color: var(--clr-accent); font-weight: 700;}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }
.reveal-delay-7 { transition-delay: 0.7s; }
.reveal-delay-8 { transition-delay: 0.8s; }
.reveal-delay-9 { transition-delay: 0.9s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 60px; }
  .hero__visual { max-width: 480px; }
  .skills__header { grid-template-columns: 1fr; gap: 40px; }
  .skills__grid { grid-template-columns: repeat(2, 1fr); }
  .education__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr 1fr; }
  .insights__grid { grid-template-columns: 1fr 1fr; }
  .experience__layout { grid-template-columns: 1fr; gap: 48px; }
  .contact__layout { grid-template-columns: 1fr; gap: 48px; }
  .kpi-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 80px; }
  .section { padding: var(--section-pad) 20px; }
  .nav { padding: 0 20px; }
  .nav__links { display: none; flex-direction: column; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--clr-surface); border-bottom: 1px solid var(--clr-border); padding: 20px; gap: 4px; box-shadow: 0 10px 20px rgba(0,0,0,0.05);}
  .nav__links.open { display: flex; }
  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .projects__grid { grid-template-columns: 1fr; }
  .insights__grid { grid-template-columns: 1fr; }
  .skills__grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .hero__inner { padding: 0 20px; }
  .footer__inner { grid-template-columns: 1fr; gap: 20px; text-align: center; }
  .footer__links { justify-content: center; }
  .footer__contact { text-align: center; }
}