/* =========================================================
   KAMAL RAO — PORTFOLIO STYLESHEET
   Structure:
   1. Variables & Reset
   2. Base / Typography
   3. Layout helpers
   4. Loader
   5. Custom Cursor
   6. Header / Nav
   7. Hero
   8. About
   9. Skills
   10. Portfolio + Modal
   11. Video Section + Modal
   12. Services
   13. Timeline
   14. Testimonials
   15. Contact
   16. Footer
   17. Animations
   18. Responsive
   ========================================================= */

/* ---------- 1. VARIABLES & RESET ---------- */
:root {
  --bg: #050505;
  --card: #111111;
  --card-2: #161616;
  --accent: #3B82F6;
  --accent-2: #60A5FA;
  --text: #FFFFFF;
  --text-secondary: #BDBDBD;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --shadow-accent: rgba(59, 130, 246, 0.35);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --transition: .4s var(--ease);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Poppins', sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }

::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }

/* ---------- 2. BASE / TYPOGRAPHY ---------- */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .25em;
  font-size: .75rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: .75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 3rem;
  color: var(--text);
}

.glass {
  background: rgba(17, 17, 17, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

/* ---------- 3. LAYOUT HELPERS ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 6vw;
}

section { position: relative; padding: 8rem 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 2rem;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 rgba(59,130,246,0);
}
.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px var(--shadow-accent);
}
.btn-outline {
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  transform: translateY(-3px);
}
.btn-ghost {
  color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text); }

/* Ripple effect */
.ripple { position: relative; }
.ripple-circle {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: rippleAnim .6s ease-out;
  background: rgba(255,255,255,.4);
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(3); opacity: 0; }
}

/* ---------- 4. LOADER ---------- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
}
.loader.loaded { opacity: 0; visibility: hidden; }

.loader-inner { text-align: center; }

.loader-mark {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: .1em;
  margin-bottom: 1.5rem;
}
.loader-mark span {
  display: inline-block;
  color: var(--accent);
  animation: loaderPulse 1.4s ease-in-out infinite;
}
.loader-mark span:nth-child(2) { animation-delay: .2s; color: var(--text); }
@keyframes loaderPulse {
  0%, 100% { transform: translateY(0); opacity: .5; }
  50% { transform: translateY(-10px); opacity: 1; }
}

.loader-bar-track {
  width: 220px;
  height: 3px;
  background: var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 auto;
}
.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  transition: width .2s ease-out;
}
.loader-percent {
  margin-top: 1rem;
  font-size: .8rem;
  color: var(--text-secondary);
  letter-spacing: .1em;
}

/* ---------- 5. CUSTOM CURSOR ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--accent-2);
  transition: opacity .3s ease;
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid var(--border-strong);
  transition: opacity .3s ease, width .25s ease, height .25s ease, background .25s ease;
}
.cursor-ring.hover-target {
  width: 60px; height: 60px;
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--accent);
}
body.cursor-active .cursor-dot,
body.cursor-active .cursor-ring { opacity: 1; }

@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 9997;
  transition: width .1s linear;
}

/* ---------- 6. HEADER / NAV ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 1.5rem 0;
  transition: background var(--transition), padding var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5, 5, 5, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 1rem 0;
  border-color: var(--border);
}

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

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.2rem;
}
.nav-link {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: .3rem 0;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active-link { color: var(--text); }
.nav-link:hover::after, .nav-link.active-link::after { width: 100%; }

.nav-cta { padding: .7rem 1.6rem; font-size: .85rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 950;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity 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); }

/* ---------- 7. HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 6rem;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  z-index: 0;
  animation: blobFloat 14s ease-in-out infinite;
}
.blob-1 {
  width: 480px; height: 480px;
  background: var(--accent);
  top: -10%; left: -10%;
}
.blob-2 {
  width: 380px; height: 380px;
  background: #7C3AED;
  bottom: -10%; right: -5%;
  animation-delay: -4s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: #06B6D4;
  top: 40%; left: 45%;
  animation-delay: -8s;
  opacity: .2;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 20px) scale(.95); }
}

.particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3rem;
  align-items: center;
}

.hero-hello {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-name {
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  line-height: 1.05;
  margin: .3rem 0 1.2rem;
  background: linear-gradient(120deg, #fff 40%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-typing {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1.4rem;
  min-height: 2rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.typing-prefix { color: var(--text-secondary); font-weight: 400; }
.typing-text { color: var(--accent-2); }
.typing-cursor {
  color: var(--accent);
  animation: blinkCursor 1s step-end infinite;
}
@keyframes blinkCursor { 50% { opacity: 0; } }

.hero-desc {
  max-width: 480px;
  color: var(--text-secondary);
  margin-bottom: 2.2rem;
  font-size: 1.02rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.4rem;
}

.hero-socials { display: flex; gap: 1rem; }
.social-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.social-icon svg { width: 18px; height: 18px; fill: var(--text-secondary); transition: fill var(--transition); }
.social-icon:hover {
  border-color: var(--accent);
  background: rgba(59,130,246,.1);
  transform: translateY(-4px);
}
.social-icon:hover svg { fill: var(--accent-2); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-image-wrap {
  position: relative;
  width: min(380px, 80vw);
  aspect-ratio: 4/5;
  animation: floatY 5s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}
.hero-image {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  position: relative;
  z-index: 2;
  transition: transform .6s var(--ease);
}
.hero-image-wrap:hover .hero-image { transform: scale(1.04); }
.hero-image-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, var(--shadow-accent), transparent 70%);
  filter: blur(30px);
  z-index: 1;
}
.hero-image-ring {
  position: absolute;
  inset: -14px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-lg) + 14px);
  z-index: 1;
}

.floating-chip {
  position: absolute;
  padding: .6rem 1rem;
  font-size: .78rem;
  font-weight: 600;
  background: rgba(17,17,17,.75);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 100px;
  z-index: 3;
  animation: chipFloat 6s ease-in-out infinite;
  white-space: nowrap;
}
.chip-1 { top: 8%; left: -8%; animation-delay: 0s; }
.chip-2 { bottom: 20%; right: -10%; animation-delay: -2s; }
.chip-3 { bottom: -4%; left: 10%; animation-delay: -4s; }
.chip-4 { top: 20%; right: -10%; animation-delay: -6s; }
.chip-5 { bottom: 20%; left: -10%; animation-delay: -8s; }
@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 2.2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: .6rem;
  color: var(--text-secondary);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  display: flex; justify-content: center; padding-top: 6px;
}
.scroll-wheel {
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 10px;
  animation: scrollWheel 1.6s ease-in-out infinite;
}
@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ---------- 8. ABOUT ---------- */
.about-card { padding: clamp(2rem, 4vw, 4rem); }
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
.stat-item {
  display: flex;
  flex-direction: column;
  padding: 1.4rem;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}
.stat-item:hover { border-color: var(--accent); transform: translateY(-4px); }
.stat-number {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent-2);
}
.stat-label {
  font-size: .8rem;
  color: var(--text-secondary);
  margin-top: .3rem;
}

/* ---------- 9. SKILLS ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 4rem;
}
.skill-bar { margin-bottom: 1.6rem; }
.skill-head {
  display: flex;
  justify-content: space-between;
  font-size: .92rem;
  font-weight: 500;
  margin-bottom: .5rem;
}
.skill-percent { color: var(--accent-2); font-weight: 600; }
.skill-track {
  height: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1.4s var(--ease);
  box-shadow: 0 0 12px var(--shadow-accent);
}

/* ---------- 10. PORTFOLIO ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: .6rem 1.4rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: .85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.masonry-grid {
  columns: 3 280px;
  column-gap: 1.5rem;
}
.project-card {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.project-card.hidden-item { display: none; }
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,.5), 0 0 0 1px var(--accent);
}
.project-thumb {
  width: 100%;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.project-thumb.tall { height: 340px; }
.project-icon { font-size: 3rem; opacity: .8; }
.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.4rem;
  background: linear-gradient(0deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.1) 55%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-category {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: .3rem;
}
.project-title { font-size: 1.1rem; }

/* Modal (shared: project + video) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(10px);
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s var(--ease), visibility .4s var(--ease);
  padding: 2rem;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  transform: scale(.92) translateY(20px);
  opacity: 0;
  transition: transform .45s var(--ease), opacity .45s var(--ease);
}
.modal-overlay.open .modal-box { transform: scale(1) translateY(0); opacity: 1; }
.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,.5);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  z-index: 5;
  transition: background var(--transition), transform var(--transition);
}
.modal-close:hover { background: var(--accent); transform: rotate(90deg); }
.modal-image {
  width: 100%;
  height: 380px;
  background: linear-gradient(160deg, #1a2a52, #0d1224);
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-content { padding: 2.2rem; }
.modal-content h3 { font-size: 1.6rem; margin: .5rem 0 1rem; }
.modal-content p { color: var(--text-secondary); }
.modal-tools { margin-top: 1.4rem; }
.modal-tools-label {
  display: block;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent-2);
  margin-bottom: .4rem;
}
.modal-content .btn { margin-top: 1.6rem; }

/* ---------- 11. VIDEO SECTION ---------- */
.video-row-wrap { overflow-x: auto; padding: 0 0 1rem; scrollbar-width: thin; }
.video-row {
  display: flex;
  gap: 1.4rem;
  padding: 0 6vw 1rem;
}
.video-card {
  flex: 0 0 300px;
  cursor: pointer;
  transition: transform var(--transition);
}
.video-card:hover { transform: translateY(-6px); }
.video-thumb {
  position: relative;
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.video-card:hover .video-thumb { box-shadow: 0 16px 34px rgba(0,0,0,.55); border-color: var(--accent); }
.play-btn {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition), background var(--transition);
}
.play-btn svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.video-card:hover .play-btn { background: var(--accent); transform: scale(1.1); }
.video-info { padding: .9rem .2rem 0; }
.video-info h4 { font-size: .98rem; margin-bottom: .2rem; }
.video-info span { font-size: .78rem; color: var(--text-secondary); }

.video-modal-box { max-width: 960px; }
#modalVideo { width: 100%; max-height: 60vh; background: #000; border-radius: var(--radius-lg) var(--radius-lg) 0 0; display: block; }
.video-modal-content { padding: 1.6rem 2.2rem; }
.video-modal-content span { color: var(--text-secondary); font-size: .85rem; }

/* ---------- 12. SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.6rem;
}
.service-card {
  padding: 2.2rem;
  transition: transform var(--transition), border-color var(--transition);
}
.service-card:hover { border-color: var(--accent); }
.service-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.15rem; margin-bottom: .6rem; }
.service-card p { color: var(--text-secondary); font-size: .92rem; }

/* ---------- 13. TIMELINE ---------- */
.timeline {
  position: relative;
  padding-left: 2.4rem;
  border-left: 1px solid var(--border);
}
.timeline-item { position: relative; margin-bottom: 2.4rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -2.55rem;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(59,130,246,.2);
}
.timeline-card { padding: 1.6rem 1.8rem; }
.timeline-role { display: block; font-weight: 700; font-size: 1.05rem; }
.timeline-company { display: block; color: var(--accent-2); font-size: .85rem; margin: .2rem 0 .7rem; }
.timeline-card p { color: var(--text-secondary); font-size: .92rem; }

/* ---------- 14. TESTIMONIALS ---------- */
.testimonial-track-wrap { overflow: hidden; }
.testimonial-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: testimonialScroll 30s linear infinite;
  padding: 0 6vw;
}
.testimonial-track:hover { animation-play-state: paused; }
.testimonial-card {
  width: 360px;
  flex-shrink: 0;
  padding: 2rem;
}
.testimonial-card p { color: var(--text-secondary); font-size: .95rem; margin-bottom: 1.4rem; }
.testimonial-author { display: flex; align-items: center; gap: .8rem; }
.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #7C3AED);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.author-name { display: block; font-size: .92rem; font-weight: 600; }
.author-role { display: block; font-size: .78rem; color: var(--text-secondary); }
@keyframes testimonialScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- 15. CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-desc { color: var(--text-secondary); margin: 1rem 0 2rem; max-width: 420px; }
.contact-links { margin-bottom: 1.6rem; }
.contact-link { font-size: 1rem; color: var(--text-secondary); transition: color var(--transition); }
.contact-link:hover { color: var(--accent-2); }
.contact-link-icon { margin-right: .5rem; }
.contact-socials { display: flex; flex-wrap: wrap; gap: .8rem; }
.contact-social-btn { padding: .7rem 1.3rem; font-size: .82rem; }

.contact-form { padding: 2.4rem; }
.form-group { position: relative; margin-bottom: 1.6rem; }
.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  color: var(--text);
  font-size: .95rem;
  resize: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group label {
  position: absolute;
  left: 1rem; top: 1rem;
  color: var(--text-secondary);
  font-size: .95rem;
  pointer-events: none;
  transition: all var(--transition);
  background: var(--bg);
  padding: 0 .3rem;
}
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -.55rem;
  left: .8rem;
  font-size: .75rem;
  color: var(--accent-2);
}
.form-submit { width: 100%; margin-top: .4rem; }
.form-success {
  margin-top: 1rem;
  text-align: center;
  color: var(--accent-2);
  font-size: .85rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.form-success.show { opacity: 1; }

/* ---------- 16. FOOTER ---------- */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.4rem;
}
.footer-copy { color: var(--text-secondary); font-size: .85rem; }
.footer-socials { display: flex; gap: .8rem; }
.back-to-top {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.back-to-top svg { width: 18px; height: 18px; stroke: var(--text); fill: none; stroke-width: 2; }
.back-to-top:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-4px); }

/* ---------- 17. SCROLL ANIMATIONS ---------- */
.fade-up, .fade-left {
  opacity: 0;
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.fade-up { transform: translateY(40px); }
.fade-left { transform: translateX(60px); }
.fade-up.in-view, .fade-left.in-view { opacity: 1; transform: translate(0,0); }

[data-delay="1"] { transition-delay: .1s; }
[data-delay="2"] { transition-delay: .2s; }
[data-delay="3"] { transition-delay: .3s; }
[data-delay="4"] { transition-delay: .4s; }
[data-delay="5"] { transition-delay: .5s; }
[data-delay="6"] { transition-delay: .6s; }

.card-tilt { will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 18. RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-buttons, .hero-socials { justify-content: center; }
  .hero-visual { margin-top: 3rem; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .masonry-grid { columns: 2 260px; }
}

@media (max-width: 860px) {
  .nav-links { 
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: rgba(5,5,5,.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .skills-grid { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 640px) {
  section { padding: 5.5rem 0; }
  .container { padding: 0 5vw; }
  .masonry-grid { columns: 1 100%; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .floating-chip { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonial-card { width: 82vw; }
}