/* =====================================================
   SIDOU.DEV — PORTFOLIO CSS  v2.0
   Dark Professional Theme
   ===================================================== */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
  --clr-bg:        #07090f;
  --clr-surface:   #0f1117;
  --clr-card:      #141720;
  --clr-border:    rgba(255,255,255,0.07);
  --clr-header:    rgba(7,9,15,0.92);
  --clr-menu:      rgba(7,9,15,0.97);
  --clr-hero-title:#ffffff;
  color-scheme: dark;

  --clr-primary:   #7c5cfc;
  --clr-cyan:      #22d3ee;
  --clr-pink:      #f472b6;
  --clr-green:     #34d399;

  --clr-text:      #e2e8f0;
  --clr-muted:     #8892a4;
  --clr-dim:       #4b5563;

  --grad-primary:  linear-gradient(135deg, #7c5cfc 0%, #22d3ee 100%);
  --grad-warm:     linear-gradient(135deg, #f472b6 0%, #fb923c 100%);
  --grad-hero:     linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);

  --glow-primary:  0 0 40px rgba(124, 92, 252, 0.35);
  --glow-cyan:     0 0 40px rgba(34, 211, 238, 0.25);

  --shadow-card:   0 4px 24px rgba(0,0,0,0.45);
  --shadow-hover:  0 12px 40px rgba(0,0,0,0.6);

  --t-fast:  0.18s ease;
  --t-norm:  0.32s ease;
  --t-slow:  0.5s ease;

  --section-pad: clamp(4rem, 8vw, 7rem);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
}

:root[data-theme="light"] {
  --clr-bg:        #f4f6fb;
  --clr-surface:   #ffffff;
  --clr-card:      #ffffff;
  --clr-border:    rgba(31,41,55,0.12);
  --clr-header:    rgba(255,255,255,0.94);
  --clr-menu:      rgba(255,255,255,0.98);
  --clr-hero-title:#172033;
  --clr-primary:   #6046d8;
  --clr-cyan:      #087e99;
  --clr-pink:      #c24182;
  --clr-green:     #13845e;
  --clr-text:      #20283a;
  --clr-muted:     #5e687b;
  --clr-dim:       #8590a2;
  --grad-primary:  linear-gradient(135deg, #694ee8 0%, #0786a0 100%);
  --grad-warm:     linear-gradient(135deg, #c24182 0%, #c76a27 100%);
  --grad-hero:     linear-gradient(135deg, #efedff 0%, #f5f7ff 52%, #e7f8fb 100%);
  --glow-primary:  0 0 32px rgba(96,70,216,0.16);
  --glow-cyan:     0 0 32px rgba(8,126,153,0.12);
  --shadow-card:   0 4px 24px rgba(31,41,55,0.08);
  --shadow-hover:  0 12px 32px rgba(31,41,55,0.14);
  color-scheme: light;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

:focus-visible {
  outline: 2px solid var(--clr-cyan);
  outline-offset: 4px;
}

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--t-norm), color var(--t-norm);
}

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 99px; }

/* =====================================================
   LAYOUT
   ===================================================== */
.container {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
}

/* =====================================================
   UTILITY
   ===================================================== */
.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--clr-text);
}

.section-subtitle {
  text-align: center;
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  background: rgba(34,211,238,0.1);
  padding: 0.35rem 0.9rem;
  border-radius: 99px;
  border: 1px solid rgba(34,211,238,0.2);
  margin-bottom: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.75rem;
  border-radius: 99px;
  font-size: 0.76rem;
  font-weight: 600;
  background: rgba(124,92,252,0.15);
  border: 1px solid rgba(124,92,252,0.3);
  color: var(--clr-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.75rem;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--t-norm);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(124,92,252,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 1.5px solid var(--clr-primary);
}
.btn-outline:hover {
  background: rgba(124,92,252,0.12);
  transform: translateY(-2px);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124,92,252,0); }
  50%       { box-shadow: 0 0 30px 8px rgba(124,92,252,0.3); }
}

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

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* =====================================================
   PROGRESS BAR
   ===================================================== */
#progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad-primary);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--t-norm);
}

.header.scrolled {
  background: var(--clr-header);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  padding: 0.65rem 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--t-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--grad-primary);
  border-radius: 99px;
  transition: width var(--t-norm);
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  color: var(--clr-text);
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.theme-toggle:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
}

.theme-icon {
  width: 19px;
  height: 19px;
}

.theme-icon-moon,
:root[data-theme="light"] .theme-icon-sun {
  display: none;
}

:root[data-theme="light"] .theme-icon-moon {
  display: block;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: 1;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 99px;
  transition: all var(--t-fast);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,92,252,0.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(34,211,238,0.12) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  padding: 3rem 0;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  padding: 0.4rem 1rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
  animation: fadeInLeft 0.6s ease both;
}

.hero-label .dot {
  width: 7px; height: 7px;
  background: var(--clr-cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(34,211,238,0.5);
  animation: pulse-glow 2s ease infinite;
}

.hero-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--clr-hero-title);
  margin-bottom: 0.5rem;
  animation: fadeInLeft 0.6s 0.1s ease both;
}

.hero-role {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: fadeInLeft 0.6s 0.2s ease both;
  min-height: 1.3em;
}

.typed-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cursor {
  color: var(--clr-primary);
  animation: blink 1s infinite;
  font-weight: 300;
  -webkit-text-fill-color: var(--clr-primary);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--clr-muted);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.2rem;
  animation: fadeInLeft 0.6s 0.3s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInLeft 0.6s 0.4s ease both;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
  animation: fadeInLeft 0.6s 0.5s ease both;
}

.hero-socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t-norm);
}

.hero-socials a:hover {
  border-color: var(--clr-primary);
  background: rgba(124,92,252,0.12);
  transform: translateY(-3px);
}

.hero-socials img {
  width: 18px; height: 18px;
  object-fit: contain;
  filter: brightness(0.7);
  transition: filter var(--t-fast);
}

.hero-socials a:hover img { filter: brightness(1); }

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: 0.35rem;
  color: var(--clr-muted);
  font-size: 0.82rem;
  white-space: nowrap;
}

.hero-location svg {
  width: 17px;
  height: 17px;
  color: var(--clr-primary);
  flex: 0 0 auto;
}

.hero-photo-wrap {
  animation: fadeInRight 0.7s 0.3s ease both;
  position: relative;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-photo-frame {
  position: relative;
  width: clamp(200px, 22vw, 270px);
  height: clamp(200px, 22vw, 270px);
}

.hero-photo-ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: conic-gradient(var(--clr-primary) 0deg, var(--clr-cyan) 120deg, var(--clr-pink) 240deg, var(--clr-primary) 360deg);
  animation: spin-slow 6s linear infinite;
  z-index: 0;
}

.hero-photo-ring::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: #24243e;
  border-radius: 50%;
}

.hero-photo {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  z-index: 1;
}

.hero-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.hero-photo:hover img { transform: scale(1.06); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: clamp(0.65rem, 2vw, 1.5rem);
  width: max-content;
  max-width: calc(100vw - 2.5rem);
  margin-top: 2.25rem;
  text-align: center;
  animation: fadeInUp 0.6s 0.55s ease both;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.76rem;
  color: var(--clr-muted);
  margin-top: 0.2rem;
  white-space: nowrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.35);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeInUp 1s 1s ease both;
}

.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 99px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}

.scroll-mouse::before {
  content: '';
  width: 3px; height: 7px;
  background: rgba(255,255,255,0.4);
  border-radius: 99px;
  animation: float 1.5s ease-in-out infinite;
}

/* =====================================================
   SKILLS
   ===================================================== */
.skills {
  padding: var(--section-pad) 0;
  background: var(--clr-surface);
  position: relative;
}

.skills::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--grad-primary);
  opacity: 0.25;
}

.skills-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skill-category {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: 1.8rem 2rem;
  transition: border-color var(--t-norm);
}

.skill-category:hover {
  border-color: rgba(124,92,252,0.3);
}

.skill-category-title {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

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

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-pill {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-sm);
  padding: 0.52rem 1rem;
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: all var(--t-norm);
  cursor: default;
  white-space: nowrap;
}

.skill-pill:hover {
  background: rgba(124,92,252,0.1);
  border-color: rgba(124,92,252,0.4);
  color: var(--clr-text);
  transform: translateY(-2px);
}

.skill-pill img {
  width: 22px; height: 22px;
  object-fit: contain;
  flex-shrink: 0;
}

.skill-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 2px;
  border-radius: 4px;
  background: var(--grad-primary);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}

/* =====================================================
   PROJECTS
   ===================================================== */
.projects {
  padding: clamp(3rem, 5vw, 4.5rem) 0;
  background: var(--clr-bg);
}

.projects-header {
  text-align: center;
  margin-bottom: 2rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.25rem;
}

.projects-grid:not(.experience-grid) > .project-card:nth-child(-n+3) {
  grid-column: span 2;
}

.projects-grid:not(.experience-grid) > .project-card:nth-last-child(-n+2) {
  grid-column: span 3;
}

.experience-grid .project-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(72%, 820px);
  aspect-ratio: 1.75 / 1;
  min-width: 0;
  margin: 0;
  transform: translate(-50%, -50%) scale(0.72);
  transform-style: preserve-3d;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
  transition:
    transform 0.65s cubic-bezier(0.2, 0.75, 0.25, 1),
    opacity 0.65s ease,
    filter 0.65s ease,
    border-color var(--t-norm),
    box-shadow var(--t-norm);
  will-change: transform, opacity;
}

.experience-carousel {
  position: relative;
  height: clamp(300px, 38vw, 500px);
  perspective: 1400px;
  overflow: hidden;
  touch-action: pan-y;
}

.experience-grid {
  display: contents;
}

.experience-grid .project-card.is-active,
.experience-grid .project-card.is-previous,
.experience-grid .project-card.is-next {
  visibility: visible;
  pointer-events: auto;
}

.experience-grid .project-card.is-active {
  z-index: 3;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.experience-grid .project-card.is-previous,
.experience-grid .project-card.is-next {
  z-index: 2;
  opacity: 0.56;
  filter: saturate(0.72);
  cursor: pointer;
}

.experience-grid .project-card.is-previous {
  transform: translate(calc(-50% - clamp(230px, 32vw, 390px)), -50%) rotateY(13deg) scale(0.76);
}

.experience-grid .project-card.is-next {
  transform: translate(calc(-50% + clamp(230px, 32vw, 390px)), -50%) rotateY(-13deg) scale(0.76);
}

.experience-grid .project-card.is-previous:hover,
.experience-grid .project-card.is-next:hover {
  opacity: 0.78;
  filter: saturate(0.9);
}

.project-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-norm);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: rgba(124,92,252,0.45);
  transform: translateY(-7px);
  box-shadow: var(--shadow-hover), var(--glow-primary);
}

.project-thumbnail {
  position: relative;
  overflow: hidden;
  height: 190px;
  flex-shrink: 0;
  background: #1a1f30;
}

.project-thumbnail img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.project-card:hover .project-thumbnail img {
  transform: scale(1.08);
}

.experience-grid .project-thumbnail {
  position: relative;
  inset: auto;
  flex: 1 1 auto;
  min-height: 0;
  background: #080a10;
}

.experience-grid .project-thumbnail img {
  object-fit: contain;
}

.experience-grid .project-card:hover .project-thumbnail img {
  transform: none;
}

.experience-grid .project-card.is-previous:hover,
.experience-grid .project-card.is-next:hover {
  transform: translateY(-50%) scale(0.8);
}

.experience-grid .project-card.is-previous:hover {
  transform: translate(calc(-50% - clamp(230px, 32vw, 390px)), -50%) rotateY(13deg) scale(0.8);
}

.experience-grid .project-card.is-next:hover {
  transform: translate(calc(-50% + clamp(230px, 32vw, 390px)), -50%) rotateY(-13deg) scale(0.8);
}

.experience-grid .project-num {
  display: none;
}

.experience-grid .project-body {
  position: relative;
  inset: auto;
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "tags link"
    "title link";
  align-items: center;
  column-gap: 1rem;
  padding: 0.9rem clamp(1rem, 2.4vw, 1.5rem);
  background: rgba(7,9,15,0.9);
  backdrop-filter: blur(8px);
}

.experience-grid .project-tags {
  grid-area: tags;
  margin: 0;
}

.experience-grid .project-tag {
  background: rgba(34,211,238,0.15);
  border-color: rgba(34,211,238,0.32);
  color: #a5f3fc;
}

.experience-grid .project-title {
  grid-area: title;
  margin: 0.45rem 0 0;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  color: #fff;
}

.experience-grid .project-desc {
  display: none;
}

.experience-grid .project-link {
  grid-area: link;
  align-self: center;
  color: #fff;
}

.experience-grid .project-link:hover {
  color: var(--clr-cyan);
}

.experience-carousel-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

.experience-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  background: var(--clr-card);
  color: var(--clr-text);
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.experience-arrow:hover {
  color: #fff;
  border-color: var(--clr-primary);
  background: var(--clr-primary);
  transform: translateY(-2px);
}

.experience-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.experience-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: var(--clr-dim);
  cursor: pointer;
  transition: width var(--t-fast), background var(--t-fast);
}

.experience-dot.active {
  width: 22px;
  background: var(--grad-primary);
}

.experience-count {
  min-width: 3.25rem;
  color: var(--clr-muted);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.project-num {
  position: absolute;
  top: 1rem; left: 1rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-primary);
  background: rgba(7,9,15,0.75);
  border: 1px solid rgba(124,92,252,0.4);
  padding: 0.2rem 0.65rem;
  border-radius: 99px;
  backdrop-filter: blur(6px);
}

.project-body {
  padding: 1.3rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.project-gallery a {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-sm);
}

.project-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-norm);
}

.project-gallery a:hover img {
  transform: scale(1.05);
}

.project-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.18rem 0.65rem;
  border-radius: 99px;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.2);
  color: var(--clr-cyan);
}

.project-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.project-desc {
  color: var(--clr-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.4rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--clr-primary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--t-fast);
  width: fit-content;
}

.project-link:hover {
  color: var(--clr-cyan);
  gap: 0.7rem;
}

/* =====================================================
   ABOUT
   ===================================================== */
.about {
  padding: var(--section-pad) 0;
  background: var(--clr-surface);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-left .section-title { text-align: left; margin-bottom: 1rem; }

.about-text {
  color: var(--clr-muted);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-text strong { color: var(--clr-text); }

.about-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.timeline-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.timeline-title::before {
  content: '';
  width: 4px; height: 18px;
  background: var(--grad-primary);
  border-radius: 99px;
}

.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-primary), var(--clr-cyan), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.9rem; top: 5px;
  width: 10px; height: 10px;
  background: var(--clr-primary);
  border-radius: 50%;
  border: 2px solid var(--clr-bg);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.25);
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-cyan);
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}

.timeline-degree {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 0.15rem;
}

.timeline-school {
  font-size: 0.83rem;
  color: var(--clr-muted);
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact {
  padding: var(--section-pad) 0;
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,92,252,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.contact-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.2rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  padding: 1.8rem 1.2rem;
  text-align: center;
  transition: all var(--t-norm);
  color: var(--clr-text);
}

.contact-card:hover {
  border-color: rgba(124,92,252,0.45);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover), var(--glow-primary);
}

.contact-icon {
  width: 50px; height: 50px;
  border-radius: var(--r-sm);
  background: rgba(124,92,252,0.1);
  border: 1px solid rgba(124,92,252,0.2);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t-norm);
  flex-shrink: 0;
}

.contact-card:hover .contact-icon {
  background: rgba(124,92,252,0.2);
  border-color: rgba(124,92,252,0.5);
}

.contact-icon img {
  width: 26px; height: 26px;
  object-fit: contain;
}

.contact-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--clr-text);
}

.contact-detail {
  font-size: 0.76rem;
  color: var(--clr-muted);
  word-break: break-all;
  line-height: 1.4;
}

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

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--clr-dim);
}

#back-to-top {
  position: fixed;
  bottom: 1.8rem; right: 1.8rem;
  width: 42px; height: 42px;
  background: var(--grad-primary);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--t-norm);
  box-shadow: var(--glow-primary);
  color: #fff;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(124,92,252,0.6);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-left .section-title { text-align: center; }
  .about-actions { justify-content: center; }
}

@media (max-width: 980px) {
  .projects-grid:not(.experience-grid) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projects-grid:not(.experience-grid) > .project-card:nth-child(-n+3),
  .projects-grid:not(.experience-grid) > .project-card:nth-last-child(-n+2) { grid-column: span 1; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .reveal-left, .reveal-right {
    transform: translateY(40px);
  }

  .reveal-left.visible, .reveal-right.visible {
    transform: translateY(0);
  }

  .nav-list {
    position: fixed;
    inset: 0;
    background: var(--clr-menu);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--t-norm), visibility 0s linear var(--t-norm);
    z-index: 1000;
  }

  .nav-list.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transition: opacity var(--t-norm), visibility 0s;
  }

  .nav-link { font-size: 1.5rem; font-weight: 700; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .hero-photo-wrap {
    order: -1;
    display: flex;
    justify-content: center;
  }

  .hero-actions, .hero-socials { justify-content: center; }
  .hero-photo-wrap .hero-stats {
    justify-content: center;
    margin-top: 1.5rem;
  }
  .hero-desc { margin-inline: auto; }

  .experience-carousel {
    height: clamp(320px, 52vw, 410px);
  }

  .experience-grid .project-card {
    width: 86%;
    aspect-ratio: 1.6 / 1;
  }

  .experience-grid .project-body {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "tags"
      "title"
      "link";
    row-gap: 0.45rem;
  }

  .experience-grid .project-title {
    margin-top: 0;
  }

  .experience-grid .project-link {
    justify-self: start;
  }

  .experience-grid .project-card.is-previous {
    transform: translate(calc(-50% - clamp(160px, 36vw, 250px)), -50%) rotateY(9deg) scale(0.72);
  }

  .experience-grid .project-card.is-next {
    transform: translate(calc(-50% + clamp(160px, 36vw, 250px)), -50%) rotateY(-9deg) scale(0.72);
  }

  .experience-grid .project-card.is-previous:hover {
    transform: translate(calc(-50% - clamp(160px, 36vw, 250px)), -50%) rotateY(9deg) scale(0.75);
  }

  .experience-grid .project-card.is-next:hover {
    transform: translate(calc(-50% + clamp(160px, 36vw, 250px)), -50%) rotateY(-9deg) scale(0.75);
  }

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

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .section-title { font-size: clamp(1.2rem, 6.5vw, 1.9rem); }
  .projects-grid:not(.experience-grid) { grid-template-columns: 1fr; }
  .project-thumbnail { height: 210px; }
  .experience-carousel {
    height: 310px;
  }
  .experience-grid .project-card {
    width: 90%;
    aspect-ratio: 1.25 / 1;
  }
  .experience-grid .project-body {
    row-gap: 0.3rem;
    padding: 0.55rem 0.75rem;
  }
  .experience-grid .project-tags {
    gap: 0.3rem;
  }
  .experience-grid .project-tag {
    padding: 0.15rem 0.45rem;
    font-size: 0.64rem;
  }
  .experience-grid .project-title {
    font-size: 1.05rem;
  }
  .experience-grid .project-link {
    font-size: 0.78rem;
  }
  .experience-grid .project-card.is-previous,
  .experience-grid .project-card.is-previous:hover {
    transform: translate(calc(-50% - clamp(150px, 38vw, 190px)), -50%) rotateY(7deg) scale(0.7);
  }
  .experience-grid .project-card.is-next,
  .experience-grid .project-card.is-next:hover {
    transform: translate(calc(-50% + clamp(150px, 38vw, 190px)), -50%) rotateY(-7deg) scale(0.7);
  }
  .experience-carousel-footer { gap: 0.65rem; }
  .experience-pagination { gap: 0.3rem; }
  .experience-dot { width: 7px; height: 7px; }
  .experience-dot.active { width: 17px; }
  .experience-arrow { width: 36px; height: 36px; }
  .experience-count { min-width: 2.8rem; font-size: 0.75rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-photo-wrap .hero-stats { flex-wrap: wrap; gap: 0.85rem; }
  .hero-photo-wrap .stat-label { font-size: 0.66rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .skill-category { padding: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}