/* ============================================================
   4iNTE Portfolio – style.css
   Palette : #1E3A8A, #3B82F6, #1F2937, #10B981
   Font: Inter / Poppins (Google Fonts)
============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --clr-blue-dark: #1E3A8A;
  --clr-blue: #3B82F6;
  --clr-blue-light: #60A5FA;
  --clr-green: #10B981;
  --clr-green-light: #34D399;
  --clr-purple: #7C3AED;
  --clr-violet: #4F46E5;

  /* Dark theme defaults */
  --bg-primary: #0B1120;
  --bg-secondary: #111827;
  --bg-card: #1A2435;
  --bg-card-hover: #1F2D45;
  --bg-glass: rgba(26, 36, 53, 0.85);
  --surface: #1F2937;
  --surface-2: #263347;

  --txt-primary: #F1F5F9;
  --txt-secondary: #94A3B8;
  --txt-muted: #64748B;

  --border: rgba(59, 130, 246, 0.15);
  --border-hover: rgba(59, 130, 246, 0.4);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);

  --gradient-hero: linear-gradient(135deg, #0B1120 0%, #1a1040 40%, #0d2450 70%, #0B1120 100%);
  --gradient-primary: linear-gradient(135deg, var(--clr-blue-dark), var(--clr-blue));
  --gradient-green: linear-gradient(135deg, #059669, var(--clr-green));
  --gradient-text: linear-gradient(135deg, var(--clr-blue-light), var(--clr-green));

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --nav-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #EFF4FF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --surface: #E2E8F0;
  --surface-2: #CBD5E1;

  --txt-primary: #0F172A;
  --txt-secondary: #475569;
  --txt-muted: #94A3B8;

  --border: rgba(59, 130, 246, 0.2);
  --border-hover: rgba(59, 130, 246, 0.5);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.2);

  --gradient-hero: linear-gradient(135deg, #1E3A8A 0%, #2D1B69 40%, #1E40AF 70%, #1E3A8A 100%);
}

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

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

body {
  font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--txt-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ============================================================
   SECTIONS
============================================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-blue);
  background: rgba(59, 130, 246, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(59, 130, 246, 0.3);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--txt-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--txt-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(59, 130, 246, .5);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(59, 130, 246, .4);
}

.btn-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {

  0%,
  100% {
    box-shadow: var(--shadow-md), 0 0 15px rgba(59, 130, 246, .3);
  }

  50% {
    box-shadow: var(--shadow-lg), 0 0 35px rgba(59, 130, 246, .6);
  }
}

.btn-outline {
  background: transparent;
  color: var(--clr-blue-light);
  border: 2px solid rgba(96, 165, 250, .5);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, .15);
  border-color: var(--clr-blue);
  transform: translateY(-2px);
}

.btn-nav {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(11, 17, 32, 0.7);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(248, 250, 252, 0.85);
}

.navbar.scrolled {
  background: rgba(11, 17, 32, 0.95);
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(248, 250, 252, 0.98);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, .4));
  transition: filter var(--transition);
}

.logo-img:hover {
  filter: drop-shadow(0 0 16px rgba(59, 130, 246, .7));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--txt-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--txt-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.nav-link.active {
  color: var(--clr-blue-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 16px;
}

.theme-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--txt-secondary);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.theme-btn:hover {
  color: var(--clr-blue);
  border-color: var(--clr-blue);
  background: rgba(59, 130, 246, .1);
}

.theme-btn svg {
  width: 18px;
  height: 18px;
}

[data-theme="dark"] .icon-moon {
  display: none;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--txt-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
}

.mobile-menu.open {
  display: block;
}

.mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--txt-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.mobile-link:hover {
  color: var(--clr-blue);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 80%, rgba(59, 130, 246, .15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, .15) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, .05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--clr-green-light);
  background: rgba(16, 185, 129, .1);
  border: 1px solid rgba(16, 185, 129, .3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-green);
  box-shadow: 0 0 8px var(--clr-green);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.5);
    opacity: .7;
  }
}

.hero-logo-wrap {
  margin-bottom: 20px;
}

.hero-logo {
  height: 64px;
  width: auto;
  margin: 0 auto;
  filter: drop-shadow(0 4px 16px rgba(59, 130, 246, .5));
  animation: floatLogo 4s ease-in-out infinite;
}

@keyframes floatLogo {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.hero-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 12px;
}

.location-tag {
  display: block;
  font-size: 0.45em;
  font-weight: 500;
  color: rgba(255, 255, 255, .6);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255, 255, 255, .75);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-subtitle strong {
  color: rgba(255, 255, 255, .95);
}

/* Hero photo */
.hero-photo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 32px;
}

.hero-photo-ring {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  padding: 4px;
  background: var(--gradient-text);
  box-shadow: 0 0 40px rgba(59, 130, 246, .4), 0 0 80px rgba(59, 130, 246, .15);
  animation: rotateRing 8s linear infinite;
  position: relative;
}

@keyframes rotateRing {
  0% {
    box-shadow: 0 0 40px rgba(59, 130, 246, .4), 0 0 80px rgba(59, 130, 246, .15);
  }

  50% {
    box-shadow: 0 0 60px rgba(16, 185, 129, .5), 0 0 100px rgba(16, 185, 129, .2);
  }

  100% {
    box-shadow: 0 0 40px rgba(59, 130, 246, .4), 0 0 80px rgba(59, 130, 246, .15);
  }
}

.hero-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  background: var(--bg-card);
}

.photo-label {
  margin-top: 16px;
  font-weight: 700;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, .95);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.photo-label span {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, .55);
}

/* CTA buttons */
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255, 255, 255, .05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  max-width: 480px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 32px;
}

.stat-num {
  font-family: 'Poppins', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-plus {
  color: var(--clr-green);
  font-size: 1.4rem;
  font-weight: 700;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255, 255, 255, .5);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, .15);
  flex-shrink: 0;
}

/* Scroll indicator */
.scroll-down {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-arrow {
  width: 28px;
  height: 28px;
  border-right: 2px solid rgba(255, 255, 255, .5);
  border-bottom: 2px solid rgba(255, 255, 255, .5);
  transform: rotate(45deg);
  animation: scrollBounce 1.5s ease-in-out infinite;
  margin: 0 auto;
}

@keyframes scrollBounce {

  0%,
  100% {
    transform: rotate(45deg) translateY(0);
    opacity: .7;
  }

  50% {
    transform: rotate(45deg) translateY(6px);
    opacity: 1;
  }
}

/* Fade-in on load */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease var(--delay, 0s), transform 0.7s ease var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   ABOUT
============================================================ */
.about {
  background: var(--bg-secondary);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-blue), var(--clr-green), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 56px;
  align-items: start;
}

/* Left column */
.about-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-photo-wrap {
  position: relative;
  align-self: center;
}

.about-photo {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: top center;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg), 0 0 24px rgba(59, 130, 246, .2);
  transition: transform var(--transition), box-shadow var(--transition);
}

.about-photo:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(59, 130, 246, .4);
}

.about-photo-badge {
  position: absolute;
  bottom: -12px;
  right: -12px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--gradient-green);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(16, 185, 129, .4);
}

.about-photo-badge svg {
  width: 14px;
  height: 14px;
}

.about-contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.about-contact-card h3,
.about-hobbies h3,
.skills-section h3,
.experience-section h3,
.about-bio h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.about-contact-card h3::before,
.about-hobbies h3::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 16px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--txt-secondary);
}

.contact-info-list li svg {
  width: 16px;
  height: 16px;
  color: var(--clr-blue);
  flex-shrink: 0;
}

.contact-info-list li a {
  color: var(--clr-blue-light);
  transition: color var(--transition);
}

.contact-info-list li a:hover {
  color: var(--clr-green);
}

.about-hobbies {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.hobbies-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.hobby-tag {
  font-size: 0.78rem;
  background: rgba(59, 130, 246, .1);
  border: 1px solid rgba(59, 130, 246, .25);
  color: var(--clr-blue-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.hobby-tag:hover {
  background: rgba(59, 130, 246, .2);
  border-color: var(--clr-blue);
  transform: translateY(-1px);
}

.hobby-note {
  font-size: 0.78rem;
  color: var(--txt-muted);
  font-style: italic;
}

/* Right column */
.about-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-bio {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.about-bio p {
  color: var(--txt-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.about-bio p:last-child {
  margin-bottom: 0;
}

.about-bio strong {
  color: var(--clr-blue-light);
}

/* Skills grid */
.skills-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.skill-category {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: background var(--transition);
}

.skill-category:hover {
  background: var(--surface-2);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: 12px;
}

.skill-cat-header svg {
  width: 16px;
  height: 16px;
  color: var(--clr-blue);
  flex-shrink: 0;
}

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

.skill-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.skill-expert {
  background: rgba(59, 130, 246, .15);
  color: var(--clr-blue-light);
  border-color: rgba(59, 130, 246, .3);
}

.skill-advanced {
  background: rgba(16, 185, 129, .1);
  color: var(--clr-green-light);
  border-color: rgba(16, 185, 129, .25);
}

.skill-intermediate {
  background: rgba(124, 58, 237, .1);
  color: #A78BFA;
  border-color: rgba(124, 58, 237, .25);
}

.skill-tag:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* Timeline */
.experience-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-blue), var(--clr-green));
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  gap: 24px;
  padding-bottom: 28px;
  position: relative;
}

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

.timeline-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--clr-blue);
  flex-shrink: 0;
  margin-top: 4px;
  position: relative;
  z-index: 1;
}

.timeline-dot.current {
  background: var(--clr-green);
  border-color: var(--clr-green);
  box-shadow: 0 0 12px rgba(16, 185, 129, .5);
  animation: pulseDot 2s ease-in-out infinite;
}

.timeline-content {
  flex: 1;
}

.timeline-date {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-blue-light);
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: 2px;
}

.timeline-company {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-green);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.875rem;
  color: var(--txt-secondary);
  line-height: 1.6;
}

.timeline-content p strong {
  color: var(--clr-blue-light);
}

/* ============================================================
   PROJECTS
============================================================ */
.projects {
  background: var(--bg-primary);
  position: relative;
}

.projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-green), var(--clr-blue), transparent);
}

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

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

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.project-video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 */
  background: var(--surface);
  overflow: hidden;
}

.project-video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.project-image-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* Ratio 16:9 */
  background: var(--surface);
  overflow: hidden;
}

.project-image-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.project-card:hover .project-image-wrap img {
  transform: scale(1.05); /* Effet zoom au survol de la carte */
}

.project-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--clr-blue-dark), #0d2450);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb-android {
  background: linear-gradient(135deg, #14532d, #065f46);
}

.project-thumb-scorer {
  background: linear-gradient(135deg, #1e3a8a, #312e81);
}

.project-thumb-audio {
  background: linear-gradient(135deg, #7c2d12, #92400e);
}

.project-thumb-book {
  background: linear-gradient(135deg, #78350f, #92400e);
}

.project-thumb-saas {
  background: linear-gradient(135deg, #4c1d95, #5b21b6);
}

.project-thumb-mobile {
  background: linear-gradient(135deg, #92400e, #b45309);
}

.project-thumb-vitrine {
  background: linear-gradient(135deg, #064e3b, #065f46);
}

.project-thumb-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, .55);
}

.thumb-icon {
  width: 48px;
  height: 48px;
}

.project-thumb-inner span {
  font-size: 0.8rem;
  font-weight: 600;
}

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.project-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ptag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.ptag-web {
  background: rgba(59, 130, 246, .15);
  color: var(--clr-blue-light);
  border: 1px solid rgba(59, 130, 246, .3);
}

.ptag-saas {
  background: rgba(16, 185, 129, .12);
  color: var(--clr-green);
  border: 1px solid rgba(16, 185, 129, .25);
}

.ptag-pwa {
  background: rgba(124, 58, 237, .12);
  color: #A78BFA;
  border: 1px solid rgba(124, 58, 237, .25);
}

.ptag-mobile {
  background: rgba(245, 158, 11, .12);
  color: #FCD34D;
  border: 1px solid rgba(245, 158, 11, .25);
}

.ptag-book {
  background: rgba(251, 191, 36, .12);
  color: #FCD34D;
  border: 1px solid rgba(251, 191, 36, .3);
}

.book-stars {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1rem;
  color: #FBBF24;
  margin-top: 4px;
}

.book-stars span {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, .6);
  font-weight: 600;
}

.project-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--txt-primary);
}

.project-desc {
  font-size: 0.875rem;
  color: var(--txt-secondary);
  line-height: 1.6;
  flex: 1;
}

.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-blue-light);
  padding: 6px 14px;
  border: 1px solid rgba(59, 130, 246, .3);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.project-link svg {
  width: 14px;
  height: 14px;
}

.project-link:hover {
  background: rgba(59, 130, 246, .15);
  border-color: var(--clr-blue);
  transform: translateY(-1px);
  color: #fff;
}

/* ============================================================
   CONTACT
============================================================ */
.contact {
  background: var(--bg-secondary);
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-blue), var(--clr-green), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
  align-items: start;
}

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

.contact-form-wrap h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--txt-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--txt-secondary);
}

.form-input-wrap {
  position: relative;
}

.form-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--txt-muted);
  pointer-events: none;
  z-index: 1;
}

.form-textarea+.form-icon,
.form-input-wrap:has(textarea) .form-icon {
  top: 16px;
  transform: none;
}

.form-input {
  width: 100%;
  padding: 14px 14px 14px 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--txt-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder {
  color: var(--txt-muted);
}

.form-input:focus {
  border-color: var(--clr-blue);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .15);
}

.form-select {
  cursor: pointer;
  padding-right: 40px;
}

.form-select option {
  background: var(--bg-card);
  color: var(--txt-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: 14px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: rgba(16, 185, 129, .1);
  border: 1px solid rgba(16, 185, 129, .3);
  border-radius: var(--radius-sm);
  color: var(--clr-green);
  font-weight: 600;
}

.form-success.visible {
  display: flex;
}

.form-success svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Sidebar */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.social-card,
.calendly-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.social-card h3,
.calendly-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--txt-primary);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--surface-2);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

.social-icon.linkedin {
  background: rgba(10, 102, 194, .2);
  color: #0A66C2;
}

.social-icon.malt {
  background: rgba(252, 82, 0, .15);
  color: #FC5200;
  font-weight: 900;
  font-size: 1.2rem;
}

.social-icon.codeur {
  background: rgba(59, 130, 246, .15);
  color: var(--clr-blue);
}

.social-icon.email {
  background: rgba(16, 185, 129, .12);
  color: var(--clr-green);
}

.social-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.social-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--txt-primary);
}

.social-desc {
  font-size: 0.72rem;
  color: var(--txt-muted);
}

.social-arrow {
  width: 16px;
  height: 16px;
  color: var(--txt-muted);
}

/* Calendly */
.calendly-card {
  text-align: center;
}

.calendly-card>p {
  font-size: 0.875rem;
  color: var(--txt-secondary);
  margin-bottom: 16px;
}

.calendly-placeholder {
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.calendly-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 20px;
}

.calendly-inner svg {
  width: 40px;
  height: 40px;
  color: var(--clr-blue);
}

.calendly-inner span {
  font-weight: 700;
  color: var(--txt-primary);
}

.calendly-inner p {
  font-size: 0.8rem;
  color: var(--txt-muted);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 6px rgba(59, 130, 246, .3));
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--txt-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--txt-secondary);
  transition: all var(--transition);
}

.footer-social-link svg {
  width: 16px;
  height: 16px;
}

.footer-social-link:hover {
  background: rgba(59, 130, 246, .15);
  border-color: var(--clr-blue);
  color: var(--clr-blue-light);
  transform: translateY(-2px);
}

.footer-nav h4,
.footer-services h4,
.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--txt-primary);
  margin-bottom: 16px;
}

.footer-nav ul,
.footer-services ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a,
.footer-services a {
  font-size: 0.875rem;
  color: var(--txt-muted);
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-services a:hover {
  color: var(--clr-blue-light);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--txt-muted);
}

.footer-contact li svg {
  width: 14px;
  height: 14px;
  color: var(--clr-blue);
  flex-shrink: 0;
}

.footer-contact a {
  color: var(--txt-muted);
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--clr-blue-light);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--txt-muted);
}

.footer-bottom a {
  color: var(--clr-blue-light);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--clr-green);
}

.footer-legal {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-legal span {
  font-size: 0.75rem;
  color: var(--txt-muted);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-left {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .about-photo-wrap {
    order: -1;
  }

  .about-photo {
    width: 200px;
    height: 200px;
  }

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

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

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

@media (max-width: 768px) {

  .nav-links,
  .btn-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .about-left {
    flex-direction: column;
  }

  .about-photo {
    width: 240px;
    height: 240px;
  }

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

  .hero-photo-ring {
    width: 220px;
    height: 220px;
  }

  .hero-stats {
    padding: 20px;
  }

  .stat-item {
    padding: 0 16px;
  }

  .stat-num {
    font-size: 1.7rem;
  }

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

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

@media (max-width: 480px) {
  .section {
    padding: 72px 0;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-stats {
    gap: 0;
  }

  .stat-divider {
    display: none;
  }

  .stat-item {
    padding: 0 12px;
  }

  .contact-form-wrap {
    padding: 24px;
  }
}

/* ============================================================
   SCROLLBAR
============================================================ */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--clr-blue-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-blue);
}

/* ============================================================
   SELECTION
============================================================ */
::selection {
  background: rgba(59, 130, 246, .3);
  color: #fff;
}