/* =========================================
   NAWAWI DIGITAL — Main Stylesheet
   ========================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- Custom Properties --- */
:root {
  /* Colors */
  --clr-bg:          #0a0f1e;
  --clr-bg-2:        #0d1428;
  --clr-surface:     #111827;
  --clr-surface-2:   #1a2236;
  --clr-border:      rgba(255,255,255,0.08);
  --clr-primary:     #3b82f6;
  --clr-primary-dim: rgba(59,130,246,0.15);
  --clr-accent:      #06b6d4;
  --clr-accent-dim:  rgba(6,182,212,0.12);
  --clr-green:       #10b981;
  --clr-purple:      #8b5cf6;
  --clr-text:        #f1f5f9;
  --clr-text-muted:  #94a3b8;
  --clr-text-dim:    #475569;

  /* Typography */
  --ff-heading:  'Space Grotesk', sans-serif;
  --ff-body:     'Inter', sans-serif;

  /* Spacing */
  --nav-h:       72px;
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;

  /* Transitions */
  --ease:        cubic-bezier(.4,0,.2,1);
  --dur-fast:    .15s;
  --dur-mid:     .3s;
  --dur-slow:    .5s;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* --- Selection --- */
::selection { background: var(--clr-primary-dim); color: var(--clr-primary); }

/* =========================================
   LAYOUT
   ========================================= */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--sm {
  padding: 64px 0;
}

/* =========================================
   NAVIGATION
   ========================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}

.nav.scrolled {
  background: rgba(10, 15, 30, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--ff-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: -.02em;
}

.nav__logo span {
  color: var(--clr-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

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

.nav__link.active {
  color: var(--clr-primary);
}

.nav__cta {
  font-size: .875rem;
  font-weight: 600;
  color: var(--clr-primary);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-primary);
  margin-left: 8px;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}

.nav__cta:hover {
  background: var(--clr-primary);
  color: #fff;
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--dur-mid) var(--ease),
              opacity var(--dur-mid) var(--ease);
}

.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(10, 15, 30, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
}

.nav__mobile.open { display: flex; }

.nav__mobile .nav__link {
  font-size: 1rem;
  padding: 12px 16px;
}

.nav__mobile .nav__cta {
  margin: 8px 0 0;
  text-align: center;
  padding: 12px;
}

/* =========================================
   HERO (index.html)
   ========================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,.1) 0%, transparent 70%);
  bottom: 0; left: -50px;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-primary-dim);
  border: 1px solid rgba(59,130,246,.3);
  color: var(--clr-primary);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero__badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--clr-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

.hero__name {
  font-family: var(--ff-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 16px;
}

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

.hero__title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: 24px;
  min-height: 1.8em;
}

.hero__title .typed-cursor {
  color: var(--clr-primary);
  animation: blink .7s infinite;
}

@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero__desc {
  font-size: 1rem;
  color: var(--clr-text-muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--clr-border);
}

.hero__stat-num {
  font-family: var(--ff-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1;
}

.hero__stat-num span {
  color: var(--clr-primary);
}

.hero__stat-label {
  font-size: .8rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* Hero Avatar */
.hero__avatar-wrap {
  position: relative;
}

.hero__avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--clr-surface-2), var(--clr-surface));
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.hero__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__avatar-placeholder {
  font-size: 7rem;
  opacity: .3;
}

.hero__avatar::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent), transparent, transparent);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* Floating cards on avatar */
.hero__float-card {
  position: absolute;
  background: rgba(17,24,39,.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.hero__float-card--1 {
  bottom: -16px; left: -24px;
  animation: float1 4s ease-in-out infinite;
}

.hero__float-card--2 {
  top: -16px; right: -24px;
  animation: float2 5s ease-in-out infinite;
}

@keyframes float1 {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes float2 {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.hero__float-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.hero__float-icon--blue { background: var(--clr-primary-dim); }
.hero__float-icon--cyan { background: var(--clr-accent-dim); }

.hero__float-label {
  font-size: .75rem;
  color: var(--clr-text-muted);
}

.hero__float-value {
  font-size: .875rem;
  font-weight: 600;
  color: var(--clr-text);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .9375rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast) var(--ease);
}

.btn--primary {
  background: var(--clr-primary);
  color: #fff;
}

.btn--primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(59,130,246,.35);
}

.btn--outline {
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  background: var(--clr-surface);
}

.btn--outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--clr-primary);
  padding: 12px 0;
}

.btn--ghost:hover { gap: 12px; }

/* =========================================
   SECTION HEADER
   ========================================= */
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--clr-text-muted);
  max-width: 540px;
  line-height: 1.8;
}

.section-header {
  margin-bottom: 56px;
}

/* =========================================
   CARDS
   ========================================= */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color var(--dur-mid) var(--ease),
              transform var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}

.card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,.2);
}

/* =========================================
   ABOUT PAGE
   ========================================= */
.about-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 64px;
  text-align: center;
}

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: start;
}

.about-photo {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.about-photo__img {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(160deg, var(--clr-surface-2), var(--clr-surface));
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  margin-bottom: 20px;
  overflow: hidden;
  position: relative;
}

.about-photo__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo__name {
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 1.25rem;
  text-align: center;
  margin-bottom: 4px;
}

.about-photo__role {
  font-size: .875rem;
  color: var(--clr-primary);
  text-align: center;
  margin-bottom: 20px;
}

.about-photo__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-photo__link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  color: var(--clr-text-muted);
  padding: 10px 14px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  word-break: break-all;
}

.about-photo__link:hover {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

.about-photo__link-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.value-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

.value-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.value-card__title {
  font-weight: 600;
  font-size: .9375rem;
  margin-bottom: 8px;
}

.value-card__desc {
  font-size: .8125rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* Education */
.edu-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.edu-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}

.edu-item__icon {
  width: 48px; height: 48px;
  background: var(--clr-primary-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.edu-item__year {
  font-size: .8rem;
  color: var(--clr-primary);
  font-weight: 600;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.edu-item__degree {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 2px;
}

.edu-item__school {
  font-size: .875rem;
  color: var(--clr-text-muted);
  margin-bottom: 6px;
}

.edu-item__thesis {
  font-size: .8125rem;
  color: var(--clr-text-dim);
  font-style: italic;
}

/* =========================================
   EXPERIENCE PAGE — TIMELINE
   ========================================= */
.exp-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 64px;
}

.timeline {
  position: relative;
  padding-left: 36px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-primary), var(--clr-accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -33px;
  top: 20px;
  width: 16px; height: 16px;
  background: var(--clr-primary);
  border-radius: 50%;
  border: 3px solid var(--clr-bg);
  box-shadow: 0 0 0 2px var(--clr-primary);
}

.timeline-dot--current {
  background: var(--clr-accent);
  box-shadow: 0 0 0 2px var(--clr-accent), 0 0 16px var(--clr-accent);
}

.timeline-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  transition: border-color var(--dur-mid) var(--ease);
}

.timeline-card:hover {
  border-color: rgba(59,130,246,.3);
}

.timeline-card--current {
  border-color: rgba(6,182,212,.25);
  background: linear-gradient(135deg, rgba(6,182,212,.04), var(--clr-surface));
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.timeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  white-space: nowrap;
}

.timeline-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.timeline-badge--past {
  background: var(--clr-primary-dim);
  color: var(--clr-primary);
}

.timeline-badge--past::before {
  background: var(--clr-primary);
  animation: none;
}

.timeline-company {
  font-size: .8rem;
  color: var(--clr-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.timeline-role {
  font-family: var(--ff-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-period {
  font-size: .8125rem;
  color: var(--clr-text-dim);
}

.timeline-divider {
  height: 1px;
  background: var(--clr-border);
  margin: 20px 0;
}

.timeline-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-point {
  display: flex;
  gap: 12px;
  font-size: .875rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.timeline-point::before {
  content: '→';
  color: var(--clr-primary);
  flex-shrink: 0;
  margin-top: .05em;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag {
  font-size: .75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}

.tag:hover {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

/* =========================================
   PORTFOLIO PAGE
   ========================================= */
.portfolio-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 64px;
}

.portfolio-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  font-size: .8125rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  background: var(--clr-surface);
  transition: all var(--dur-fast) var(--ease);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}

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

.proj-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur-mid) var(--ease),
              transform var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
  display: flex;
  flex-direction: column;
}

.proj-card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.2);
}

.proj-card__header {
  padding: 24px 24px 20px;
  background: linear-gradient(135deg, var(--clr-surface-2), var(--clr-surface));
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.proj-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.proj-card__icon--blue   { background: var(--clr-primary-dim); }
.proj-card__icon--cyan   { background: var(--clr-accent-dim); }
.proj-card__icon--green  { background: rgba(16,185,129,.12); }
.proj-card__icon--purple { background: rgba(139,92,246,.12); }

.proj-card__category {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-text-dim);
  margin-top: 4px;
}

.proj-card__body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.proj-card__title {
  font-family: var(--ff-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.proj-card__desc {
  font-size: .8125rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.proj-card__meta {
  display: flex;
  gap: 16px;
  font-size: .75rem;
  color: var(--clr-text-dim);
  margin-bottom: 16px;
}

.proj-card__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.proj-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

/* =========================================
   SKILLS PAGE
   ========================================= */
.skills-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 64px;
}

.skills-sections {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.skills-group__title {
  font-family: var(--ff-heading);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.skills-group__title-icon {
  font-size: 1.25rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  font-size: .875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text-muted);
  transition: all var(--dur-fast) var(--ease);
}

.skill-tag:hover {
  color: var(--clr-text);
  border-color: rgba(59,130,246,.4);
  background: var(--clr-primary-dim);
}

.skill-tag--core {
  border-color: rgba(59,130,246,.3);
  color: var(--clr-text);
  background: var(--clr-primary-dim);
}

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

.cert-card {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-mid) var(--ease), transform var(--dur-mid) var(--ease);
}

.cert-card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-2px);
}

.cert-card__badge {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--clr-primary-dim), var(--clr-accent-dim));
  border: 1px solid rgba(59,130,246,.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.cert-card__name {
  font-weight: 600;
  font-size: .9375rem;
  margin-bottom: 2px;
}

.cert-card__issuer {
  font-size: .8rem;
  color: var(--clr-text-dim);
  margin-bottom: 8px;
}

.cert-card__year {
  font-size: .75rem;
  font-weight: 600;
  color: var(--clr-primary);
  background: var(--clr-primary-dim);
  padding: 2px 8px;
  border-radius: 100px;
  display: inline-block;
}

/* =========================================
   CONTACT PAGE
   ========================================= */
.contact-hero {
  padding-top: calc(var(--nav-h) + 64px);
  padding-bottom: 64px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  align-items: flex-start;
  transition: border-color var(--dur-mid) var(--ease);
}

.contact-card:hover { border-color: rgba(59,130,246,.3); }

.contact-card__icon {
  width: 44px; height: 44px;
  background: var(--clr-primary-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-card__label {
  font-size: .75rem;
  color: var(--clr-text-dim);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-card__value {
  font-size: .9375rem;
  font-weight: 500;
  word-break: break-all;
}

.contact-card__value a {
  color: var(--clr-primary);
  transition: opacity var(--dur-fast);
}
.contact-card__value a:hover { opacity: .8; }

/* Form */
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--clr-text-muted);
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--clr-bg-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: .9375rem;
  font-family: var(--ff-body);
  color: var(--clr-text);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--clr-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  border-top: 1px solid var(--clr-border);
  padding: 40px 0;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: .8125rem;
  color: var(--clr-text-dim);
}

.footer__copy a {
  color: var(--clr-primary);
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__link {
  font-size: .8125rem;
  color: var(--clr-text-dim);
  transition: color var(--dur-fast);
}

.footer__link:hover { color: var(--clr-primary); }

/* =========================================
   SCROLL ANIMATIONS
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal--delay-1 { transition-delay: .1s; }
.reveal--delay-2 { transition-delay: .2s; }
.reveal--delay-3 { transition-delay: .3s; }

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

/* =========================================
   PAGE TRANSITION
   ========================================= */
.page-fade {
  animation: pageFadeIn .4s var(--ease) forwards;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* =========================================
   GRID HELPERS
   ========================================= */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* =========================================
   UTILITY
   ========================================= */
.text-primary { color: var(--clr-primary); }
.text-muted   { color: var(--clr-text-muted); }
.text-accent  { color: var(--clr-accent); }
.fw-600       { font-weight: 600; }
.fw-700       { font-weight: 700; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr 280px; gap: 48px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 240px 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .hero { align-items: flex-start; padding-top: calc(var(--nav-h) + 48px); }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__avatar-wrap { display: none; }
  .hero__stats { gap: 24px; }
  .hero__stat-num { font-size: 1.5rem; }

  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; }
  .about-photo__img { aspect-ratio: 1; max-width: 200px; margin: 0 auto 20px; }

  .portfolio-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  .timeline { padding-left: 28px; }
  .timeline-head { flex-direction: column; }
  .timeline-card { padding: 20px; }

  .section { padding: 64px 0; }
  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
  .hero__stats { flex-wrap: wrap; gap: 20px; }
  .portfolio-filters { gap: 6px; }
  .filter-btn { font-size: .75rem; padding: 7px 14px; }
}