/* ═══════════════════════════════════════════════════════════════
   AMAN ULLA — Portfolio Styles
   Futuristic / Glassmorphic / Neon-Glow Design System
   ═══════════════════════════════════════════════════════════════ */

/* ───────── CSS VARIABLES ───────── */
:root {
  /* Base palette */
  --bg-primary: #050510;
  --bg-secondary: #0a0a1a;
  --bg-card: rgba(15, 15, 35, 0.6);

  /* Accent colors */
  --accent-blue: #4d7cff;
  --accent-violet: #7c3aed;
  --accent-cyan: #06d6a0;
  --accent-pink: #ec4899;
  --accent-neon: #00f0ff;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4d7cff, #7c3aed);
  --gradient-glow: linear-gradient(135deg, #4d7cff20, #7c3aed20);
  --gradient-card: linear-gradient(135deg, rgba(77, 124, 255, 0.08), rgba(124, 58, 237, 0.08));
  --gradient-hero: radial-gradient(ellipse at 30% 50%, rgba(77, 124, 255, 0.15) 0%, transparent 60%),
                   radial-gradient(ellipse at 70% 30%, rgba(124, 58, 237, 0.12) 0%, transparent 55%);

  /* Text */
  --text-primary: #f0f0ff;
  --text-secondary: rgba(240, 240, 255, 0.6);
  --text-muted: rgba(240, 240, 255, 0.35);

  /* Glass */
  --glass-bg: rgba(15, 15, 40, 0.45);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-blur: 24px;

  /* Shadows */
  --shadow-glow: 0 0 40px rgba(77, 124, 255, 0.15), 0 0 80px rgba(124, 58, 237, 0.1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* Spacing */
  --section-pad: clamp(80px, 12vw, 160px);
  --container-max: 1200px;

  /* Transitions */
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  letter-spacing: -0.01em;
  cursor: none;
}

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

button, input, textarea {
  font-family: inherit;
  cursor: none;
}

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

::selection {
  background: rgba(77, 124, 255, 0.3);
  color: #fff;
}

/* ───────── CUSTOM CURSOR ───────── */
.cursor {
  width: 8px;
  height: 8px;
  background: var(--accent-neon);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}

.cursor-follower {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(77, 124, 255, 0.4);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-smooth), height 0.3s var(--ease-smooth),
              border-color 0.3s, background 0.3s;
}

body:hover .cursor.cursor--hover {
  width: 16px;
  height: 16px;
  background: var(--accent-blue);
}

body:hover .cursor-follower.cursor--hover {
  width: 56px;
  height: 56px;
  border-color: rgba(77, 124, 255, 0.6);
  background: rgba(77, 124, 255, 0.06);
}

@media (max-width: 768px) {
  .cursor, .cursor-follower {
    display: none !important;
  }
  body, a, button, input, textarea {
    cursor: auto;
  }
}

/* ═══════════════════════════════════════════════════════════════
   PRELOADER
   ═══════════════════════════════════════════════════════════════ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preloader__inner {
  text-align: center;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 500px;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preloader__logo {
  display: flex;
  gap: 2px;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  position: relative;
  width: 100%;
}

.preloader__letter {
  font-size: clamp(72px, 12vw, 140px);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #4D7CFF 0%, #7C3AED 40%, #a78bfa 70%, #c7d2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(30px);
  display: inline-block;
  filter: blur(8px);
  line-height: 1;
}

.preloader__tagline {
  font-size: clamp(12px, 2vw, 16px);
  color: var(--text-secondary);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 40px;
  opacity: 0;
}

.preloader__bar-wrap {
  width: clamp(200px, 50vw, 400px);
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  margin: 0 auto 12px;
  overflow: hidden;
}

.preloader__bar {
  width: 0%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(77, 124, 255, 0.5);
}

.preloader__percent {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  font-variant-numeric: tabular-nums;
}

.preloader__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.preloader__orb--1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(77, 124, 255, 0.4), transparent);
  top: 10%;
  left: 15%;
}

.preloader__orb--2 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent);
  bottom: 15%;
  right: 10%;
}

.preloader__orb--3 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(6, 214, 160, 0.3), transparent);
  top: 50%;
  left: 60%;
}

/* ═══════════════════════════════════════════════════════════════
   MAIN CONTENT (hidden initially)
   ═══════════════════════════════════════════════════════════════ */
.main-content {
  opacity: 0;
  visibility: hidden;
}

.main-content.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(24px, 5vw, 60px);
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s;
}

.nav.is-scrolled {
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--glass-border);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 0.05em;
}

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

.nav__logo-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(6, 214, 160, 0.6);
}

.nav__links {
  display: flex;
  gap: 36px;
  list-style: none;
}

/* Nav Social Icons */
.nav__socials {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 20px;
}

.nav__socials a {
  font-size: 18px;
  color: var(--text-muted);
  transition: color 0.3s, transform 0.3s;
  display: flex;
  align-items: center;
}

.nav__socials a:hover {
  color: var(--accent-blue);
  transform: translateY(-2px);
}

.nav-svg-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.contact-svg-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.footer-svg-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

@media (max-width: 768px) {
  .nav__socials {
    display: flex;
    gap: 10px;
    margin-left: auto;
    margin-right: 12px;
  }
  .nav__socials a {
    font-size: 16px;
  }
  .nav-svg-icon {
    width: 16px;
    height: 16px;
  }

  /* Mobile navbar: show only Twitter + Instagram */
  .nav__socials .nav-social {
    display: none;
  }
  .nav__socials .nav-social--twitter,
  .nav__socials .nav-social--instagram {
    display: flex;
  }
}

.nav__link {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gradient-primary);
  transition: width 0.3s var(--ease-smooth);
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link:hover::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease-smooth);
  transform-origin: center;
}

.nav__hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Tray */
.mobile-tray {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(5, 5, 16, 0.96);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.mobile-tray.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-tray__links {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.mobile-tray__link {
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(30px);
  transition: color 0.3s;
}

.mobile-tray.is-open .mobile-tray__link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-tray__link:hover {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-tray__socials {
  display: none;
}

.mobile-tray__socials a {
  font-size: 24px;
  color: var(--text-secondary);
  transition: color 0.3s;
  display: flex;
  align-items: center;
}

.mobile-tray__socials a:hover {
  color: var(--accent-blue);
}

.mobile-tray__socials .nav-svg-icon {
  width: 24px;
  height: 24px;
}

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

/* ═══════════════════════════════════════════════════════════════
   SECTION HEADERS (Shared)
   ═══════════════════════════════════════════════════════════════ */
.section__header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: clamp(48px, 8vw, 80px);
  padding: 0 clamp(24px, 5vw, 60px);
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
}

.section__number {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-blue);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
}

.section__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.section__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--glass-border), transparent);
}

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(100px, 15vh, 160px) clamp(24px, 5vw, 60px) clamp(60px, 10vh, 120px);
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero__bg-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
}

.glow-orb--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(77, 124, 255, 0.5), transparent 70%);
  top: -10%;
  left: -5%;
}

.glow-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent 70%);
  bottom: 10%;
  right: 5%;
}

.glow-orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(6, 214, 160, 0.25), transparent 70%);
  top: 40%;
  left: 40%;
}

.glow-orb--4 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.3), transparent 70%);
  top: 15%;
  right: 20%;
}

.glow-orb--5 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.2), transparent 70%);
  bottom: -5%;
  left: 30%;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero__greeting {
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 400;
  color: var(--accent-cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0;
}

.hero__name {
  font-size: clamp(48px, 9vw, 96px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #c7d2fe 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  filter: blur(10px);
}

.hero__title {
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  opacity: 0;
}

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

.hero__subtitle {
  font-size: clamp(14px, 2vw, 16px);
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__keyword {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 40px;
  border: 1px solid rgba(77, 124, 255, 0.15);
  background: rgba(77, 124, 255, 0.05);
  color: var(--text-secondary);
  font-size: clamp(12px, 1.5vw, 14px);
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all 0.4s var(--ease-smooth);
}

.hero__keyword:hover {
  border-color: rgba(77, 124, 255, 0.4);
  background: rgba(77, 124, 255, 0.1);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(77, 124, 255, 0.15);
}

.hero__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-blue);
  opacity: 0.4;
  flex-shrink: 0;
}

.hero__tagline-sub {
  font-size: clamp(13px, 1.8vw, 15px);
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 36px;
  opacity: 0;
  letter-spacing: 0.01em;
}

.hero__cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 60px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  transition: all 0.4s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 24px rgba(77, 124, 255, 0.3), 0 0 60px rgba(77, 124, 255, 0.1);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 40px rgba(77, 124, 255, 0.45), 0 0 80px rgba(77, 124, 255, 0.2);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(77, 124, 255, 0.3);
  transform: translateY(-2px);
}

/* Hero 3D Illustration */
.hero__3d {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  height: 90%;
  z-index: 1;
  opacity: 0;
}

.hero__illustration {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__illo-svg {
  width: 100%;
  height: 100%;
  max-width: 720px;
  filter: drop-shadow(0 0 50px rgba(77, 124, 255, 0.12));
}

.pipeline-node {
  transition: filter 0.3s;
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero__scroll-indicator span {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--accent-blue), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.3); opacity: 0.3; transform-origin: top; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    justify-content: flex-start;
    align-items: center;
    min-height: auto;
    height: auto;
    overflow: visible;
    padding-top: clamp(100px, 15vh, 140px);
    padding-bottom: 40px;
  }
  .hero__content {
    max-width: 100%;
    z-index: 2;
    position: relative !important;
    order: 1;
    flex-shrink: 0;
    width: 100%;
  }
  .hero__3d {
    position: relative !important;
    right: auto !important;
    top: auto !important;
    transform: none !important;
    width: 100% !important;
    height: auto !important;
    max-height: 420px;
    margin-top: 48px;
    z-index: 1;
    order: 2;
    flex-shrink: 0;
  }
  .hero__illo-svg {
    max-height: 400px;
    width: auto;
  }
  .hero__subtitle {
    justify-content: center;
  }
  .hero__cta-group {
    justify-content: center;
    position: relative;
    z-index: 5;
  }
  .hero__cta-group .btn {
    padding: 11px 24px;
    font-size: 13px;
    gap: 8px;
  }
  .hero__scroll-indicator {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__3d {
    max-height: 340px;
    margin-top: 32px;
  }
  .hero__illo-svg {
    max-height: 320px;
  }
  .hero__cta-group .btn {
    padding: 10px 20px;
    font-size: 12px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════════ */
.about {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.about__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
}

.about__image-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.about__image-frame {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-card);
  border: 2px solid var(--glass-border);
  transition: transform 0.5s var(--ease-smooth), box-shadow 0.5s;
  overflow: hidden;
}

.about__image-frame:hover {
  transform: translateY(-8px) rotate(3deg);
  box-shadow: 0 0 60px rgba(77, 124, 255, 0.25);
}

.about__image-glow {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent-blue), var(--accent-violet), var(--accent-cyan), var(--accent-blue));
  opacity: 0.4;
  filter: blur(12px);
  animation: rotateGlow 6s linear infinite;
}

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

.about__image-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.about__image-placeholder i {
  font-size: 72px;
  color: var(--accent-blue);
  opacity: 0.5;
}

.about__image-placeholder span {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.about__image-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 40px;
  background: rgba(6, 214, 160, 0.08);
  border: 1px solid rgba(6, 214, 160, 0.15);
}

.about__info {
  padding-top: 8px;
}

.about__headline {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.3;
}

.about__bio {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-weight: 300;
}

/* Stats */
.about__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.about__stat {
  text-align: center;
  padding: 20px 12px;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
}

.about__stat-num {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__stat-plus {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Skills */
.about__skills-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.about__skills {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 12px;
}

.skill-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.3s var(--ease-smooth);
  backdrop-filter: blur(10px);
}

.skill-icon:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 124, 255, 0.3);
  box-shadow: 0 0 30px rgba(77, 124, 255, 0.12);
}

.skill-icon i {
  font-size: 28px;
  color: var(--accent-blue);
}

.skill-icon span {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about__image-wrap {
    order: -1;
  }
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .about__skills {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .about__skills {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ═══════════════════════════════════════════════════════════════
   EXPERIENCE SECTION
   ═══════════════════════════════════════════════════════════════ */
.experience {
  padding: var(--section-pad) 0;
  position: relative;
}

.experience__timeline {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.experience__timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-violet), transparent);
  border-radius: 2px;
}

.exp-card {
  position: relative;
  padding-left: 60px;
  padding-bottom: 48px;
}

.exp-card:last-child {
  padding-bottom: 0;
}

.exp-card__dot {
  position: absolute;
  left: 16px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-blue);
  box-shadow: 0 0 20px rgba(77, 124, 255, 0.4);
  z-index: 1;
}

.exp-card__content {
  padding: 28px 32px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: all 0.5s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.exp-card__content::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.02), transparent);
  transition: none;
}

.exp-card__content:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(77, 124, 255, 0.25);
  box-shadow: 
    0 16px 50px rgba(77, 124, 255, 0.15),
    0 0 40px rgba(77, 124, 255, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.05);
  background: rgba(15, 15, 40, 0.5);
}

.exp-card__content:hover::after {
  animation: card-shimmer 0.8s ease forwards;
}

.exp-card__header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.exp-card__role {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.exp-card__company {
  font-size: 15px;
  color: var(--accent-cyan);
  font-weight: 500;
}

.exp-card__date {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 16px;
}

.exp-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.exp-card__list li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 300;
  padding-left: 20px;
  position: relative;
}

.exp-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-primary);
}

@media (max-width: 768px) {
  .experience__timeline {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    gap: 16px;
  }

  .experience__timeline::before {
    display: none;
  }
  .exp-card {
    padding: 0;
    flex: 0 0 340px;
    padding-bottom: 0;
  }
  .exp-card__dot {
    display: none;
  }
  .exp-card__content {
    padding: 20px 24px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   PROJECTS SECTION
   ═══════════════════════════════════════════════════════════════ */
.projects {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.projects__scroll-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 clamp(24px, 5vw, 60px) 20px;
}

.projects__scroll-wrap::-webkit-scrollbar {
  display: none;
}

.projects__track {
  display: flex;
  gap: 24px;
  width: max-content;
}

.project-card {
  position: relative;
  width: 340px;
  min-width: 340px;
  padding: 32px 28px;
  border-radius: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: all 0.5s var(--ease-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 25px;
  background: conic-gradient(from var(--card-angle, 0deg), transparent 40%, rgba(77,124,255,0.4), rgba(124,58,237,0.3), rgba(6,214,160,0.2), transparent 60%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.5s;
}

.project-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg at 50% 50%, transparent, rgba(77,124,255,0.03), transparent, rgba(124,58,237,0.03), transparent);
  animation: shimmer-rotate 6s linear infinite;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

@keyframes shimmer-rotate {
  100% { transform: rotate(360deg); }
}

.project-card__glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(77, 124, 255, 0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: transparent;
  box-shadow: 
    0 20px 60px rgba(77, 124, 255, 0.2),
    0 0 80px rgba(77, 124, 255, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.06);
  background: rgba(15, 15, 40, 0.7);
}

.project-card:hover::before {
  opacity: 1;
  animation: border-spin 3s linear infinite;
}

.project-card:hover::after {
  opacity: 1;
}

@keyframes border-spin {
  100% { --card-angle: 360deg; }
}

.project-card:hover .project-card__glow {
  opacity: 1;
}

.project-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient-glow);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.project-card__icon i {
  font-size: 26px;
  color: var(--accent-blue);
}

.project-card__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.project-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 20px;
  flex: 1;
}

.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-card__stack span {
  font-size: 11px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(77, 124, 255, 0.08);
  border: 1px solid rgba(77, 124, 255, 0.12);
  color: var(--accent-blue);
  letter-spacing: 0.03em;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-cyan);
  transition: color 0.3s, gap 0.3s;
}

.project-card__link:hover {
  color: #fff;
  gap: 12px;
}

.project-card__link--private {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .project-card {
    width: 290px;
    min-width: 290px;
    padding: 24px 20px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   ACHIEVEMENTS SECTION
   ═══════════════════════════════════════════════════════════════ */
.achievements {
  padding: var(--section-pad) 0;
  position: relative;
}

.achievements__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.achievement-card {
  padding: 32px 28px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: all 0.5s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.achievement-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: radial-gradient(ellipse at 30% 0%, rgba(124,58,237,0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.5s;
}

.achievement-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  transition: none;
}

.achievement-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 
    0 20px 60px rgba(124, 58, 237, 0.18),
    0 0 40px rgba(124, 58, 237, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.05);
  background: rgba(15, 15, 40, 0.6);
}

.achievement-card:hover::before {
  opacity: 1;
}

.achievement-card:hover::after {
  animation: card-shimmer 0.8s ease forwards;
}

@keyframes card-shimmer {
  100% { left: 120%; }
}

.achievement-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(77, 124, 255, 0.08));
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  overflow: hidden;
}

.achievement-card__logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.achievement-card__icon i {
  font-size: 24px;
  color: var(--accent-violet);
}

.achievement-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.achievement-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.achievement-card__gallery {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.achievement-card__gallery img {
  width: calc(50% - 5px);
  height: 90px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
}

/* ═══════════════════════════════════════════════════════════════
   TESTIMONIALS SECTION
   ═══════════════════════════════════════════════════════════════ */
.testimonials {
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}

.testimonials__viewport {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  overflow: hidden; /* hide the moving track */
}

.testimonials__grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 24px;
  align-items: stretch;
  width: max-content; /* allow translation-based marquee */
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.testimonial-card {
  padding: 32px 26px;
  border-radius: 22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: all 0.5s var(--ease-smooth);
  position: relative;
  overflow: hidden;
  flex: 0 0 clamp(260px, 32vw, 420px);
}

.testimonial-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 22px;
  background: radial-gradient(ellipse at 30% 0%, rgba(124,58,237,0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.testimonial-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow:
    0 20px 60px rgba(124, 58, 237, 0.18),
    0 0 40px rgba(124, 58, 237, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.05);
  background: rgba(15, 15, 40, 0.6);
}

.testimonial-card:hover::before {
  opacity: 1;
}

.testimonial-card__quote {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 9;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.testimonial-card__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.testimonial-card__name {
  font-size: 14px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.testimonial-card__role {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

@media (max-width: 900px) {
  .achievements__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonial-card {
    flex-basis: clamp(240px, 55vw, 360px);
  }
}

@media (max-width: 480px) {
  .achievements__grid {
    grid-template-columns: 1fr;
  }

  .testimonial-card {
    padding: 28px 18px;
    flex-basis: 82vw;
  }
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════════════════════ */
.contact {
  padding: var(--section-pad) 0;
  position: relative;
}

.contact__grid {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact__headline {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.contact__desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 32px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.contact__detail i {
  font-size: 20px;
  color: var(--accent-blue);
}

.contact__detail:hover {
  color: var(--text-primary);
}

.contact__socials {
  display: flex;
  gap: 14px;
  justify-content: center;
}

.contact__social {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--text-secondary);
  transition: all 0.3s var(--ease-smooth);
}

.contact__social:hover {
  background: rgba(77, 124, 255, 0.1);
  border-color: rgba(77, 124, 255, 0.3);
  color: var(--accent-blue);
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(77, 124, 255, 0.15);
}


/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
  position: relative;
  padding: 60px 0 32px;
  overflow: hidden;
  border-top: 1px solid var(--glass-border);
}

.footer__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.footer__particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-blue);
  opacity: 0.3;
  box-shadow: 0 0 12px rgba(77, 124, 255, 0.4);
}

.footer__particle--1 { top: 20%; left: 10%; }
.footer__particle--2 { top: 40%; left: 25%; }
.footer__particle--3 { top: 15%; left: 45%; }
.footer__particle--4 { top: 60%; left: 60%; }
.footer__particle--5 { top: 30%; left: 75%; }
.footer__particle--6 { top: 70%; left: 85%; }
.footer__particle--7 { top: 50%; left: 35%; }
.footer__particle--8 { top: 80%; left: 55%; }

.footer__content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer__brand {
  text-align: center;
}

.footer__logo {
  font-size: 32px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.05em;
}

.footer__tagline {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.08em;
}

.footer__nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.footer__nav a:hover {
  color: var(--text-primary);
}

.footer__socials {
  display: flex;
  gap: 16px;
}

.footer__socials a {
  font-size: 20px;
  color: var(--text-muted);
  transition: color 0.3s, transform 0.3s;
}

.footer__socials a:hover {
  color: var(--accent-blue);
  transform: translateY(-4px);
}

.footer__copy {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════════════
   UTILITY / ANIMATION STATES
   ═══════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(6px);
  transition: opacity 0.8s var(--ease-smooth), 
              transform 0.8s var(--ease-smooth), 
              filter 0.8s var(--ease-smooth);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Noise overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.015'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* Smooth scroll overrides */
html.has-scroll-smooth {
  overflow: hidden;
}

html.has-scroll-smooth body {
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════
   SKILLS SECTION (Interactive)
   ═══════════════════════════════════════════════════════════════ */
.skills {
  padding: var(--section-pad) 0;
  position: relative;
}

.skills__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
}

.skills__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}

.skills__tab {
  padding: 10px 24px;
  border-radius: 40px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  backdrop-filter: blur(10px);
}

.skills__tab:hover {
  border-color: rgba(77, 124, 255, 0.3);
  color: var(--text-primary);
}

.skills__tab.is-active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(77, 124, 255, 0.3);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.skill-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: transform 0.4s var(--ease-smooth), border-color 0.4s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}

.skill-chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(77, 124, 255, 0.06), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}

.skill-chip:hover {
  transform: translateY(-5px) scale(1.04);
  border-color: rgba(77, 124, 255, 0.3);
  box-shadow: 
    0 12px 36px rgba(77, 124, 255, 0.18),
    0 0 30px rgba(77, 124, 255, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.05);
  background: rgba(15, 15, 40, 0.6);
}

.skill-chip:hover::before {
  opacity: 1;
}

.skill-chip.is-hidden {
  display: none;
}

.skill-chip i {
  font-size: 22px;
  color: var(--accent-blue);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.skill-chip span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  position: relative;
  z-index: 1;
}

.skill-chip__bar {
  width: 50px;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.skill-chip__fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(77, 124, 255, 0.4);
  transition: width 1s var(--ease-smooth);
}

.skill-chip--soft {
  border-color: rgba(124, 58, 237, 0.15);
}

.skill-chip--soft i {
  color: var(--accent-violet);
}

.skill-chip--soft:hover {
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.12);
}

@media (max-width: 768px) {
  .skills__grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    gap: 14px;
  }
  .skills__grid::-webkit-scrollbar {
    display: none;
  }

  .skill-chip {
    flex: 0 0 190px;
    min-width: 190px;
  }
  .skills__tabs {
    gap: 8px;
  }
  .skills__tab {
    padding: 8px 16px;
    font-size: 12px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   CERTIFICATIONS SECTION
   ═══════════════════════════════════════════════════════════════ */
.certifications {
  padding: var(--section-pad) 0;
  position: relative;
}

.certs__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border-radius: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  transition: all 0.5s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.cert-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  transition: none;
}

.cert-card:hover {
  transform: translateX(8px) scale(1.01);
  border-color: rgba(77, 124, 255, 0.25);
  box-shadow: 
    0 12px 40px rgba(77, 124, 255, 0.15),
    0 0 30px rgba(77, 124, 255, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.05);
  background: rgba(15, 15, 40, 0.5);
}

.cert-card:hover::after {
  animation: card-shimmer 0.8s ease forwards;
}

.cert-card:hover .cert-card__badge {
  border-color: rgba(77, 124, 255, 0.3);
  box-shadow: 0 0 20px rgba(77, 124, 255, 0.15);
}

.cert-card__badge {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient-glow);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.cert-card__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: brightness(0.95);
}

.cert-card__badge i {
  font-size: 24px;
  color: var(--accent-blue);
}

.cert-card__info {
  flex: 1;
}

.cert-card__info h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.cert-card__issuer {
  font-size: 13px;
  color: var(--accent-cyan);
  font-weight: 500;
  display: block;
  margin-bottom: 2px;
}

.cert-card__date {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.cert-card__status {
  font-size: 11px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.cert-card__status--active {
  background: rgba(6, 214, 160, 0.1);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(6, 214, 160, 0.15);
  animation: cert-glow-green 3s ease-in-out infinite;
}

.cert-card__status--completed {
  background: rgba(77, 124, 255, 0.08);
  color: rgba(150, 170, 255, 0.85);
  border: 1px solid rgba(77, 124, 255, 0.12);
  animation: cert-glow-blue 3s ease-in-out infinite;
}

/* Shimmer sweep on both status tags */
.cert-card__status--active::before,
.cert-card__status--completed::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.18) 50%, transparent 100%);
  animation: cert-shimmer 3s ease-in-out infinite;
}

.cert-card__status--active::after {
  content: '\2726';
  margin-left: 5px;
  font-size: 10px;
  display: inline-block;
  animation: cert-sparkle-star 2s ease-in-out infinite;
  filter: drop-shadow(0 0 3px rgba(6, 214, 160, 0.6));
}

.cert-card__status--completed::after {
  content: '\2726';
  margin-left: 5px;
  font-size: 10px;
  display: inline-block;
  animation: cert-sparkle-star 2.5s ease-in-out infinite;
  filter: drop-shadow(0 0 3px rgba(77, 124, 255, 0.6));
}

@keyframes cert-shimmer {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

@keyframes cert-sparkle-star {
  0%, 100% { opacity: 0.4; transform: scale(0.8) rotate(0deg); }
  50% { opacity: 1; transform: scale(1.3) rotate(180deg); }
}

@keyframes cert-glow-green {
  0%, 100% { box-shadow: 0 0 16px rgba(6, 214, 160, 0.15); }
  50% { box-shadow: 0 0 24px rgba(6, 214, 160, 0.3), 0 0 8px rgba(6, 214, 160, 0.15) inset; }
}

@keyframes cert-glow-blue {
  0%, 100% { box-shadow: 0 0 12px rgba(77, 124, 255, 0.1); }
  50% { box-shadow: 0 0 20px rgba(77, 124, 255, 0.25), 0 0 8px rgba(77, 124, 255, 0.12) inset; }
}

@media (max-width: 768px) {
  .certs__grid {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    gap: 16px;
  }
  .certs__grid::-webkit-scrollbar {
    display: none;
  }

  .cert-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 20px 22px;
    flex: 0 0 320px;
    min-width: 320px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   PATENT SECTION
   ═══════════════════════════════════════════════════════════════ */
.patent {
  padding: var(--section-pad) 0;
  position: relative;
}

.patent__card {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 48px;
  border-radius: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  position: relative;
  overflow: hidden;
  margin-left: clamp(24px, 5vw, 60px);
  margin-right: clamp(24px, 5vw, 60px);
  display: flex;
  gap: 32px;
  align-items: flex-start;
  transition: all 0.4s var(--ease-smooth);
}

.patent__card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 
    0 20px 60px rgba(124, 58, 237, 0.18),
    0 0 60px rgba(124, 58, 237, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.05);
  transform: translateY(-4px);
  background: rgba(15, 15, 40, 0.6);
}

.patent__glow {
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08), transparent 60%);
  pointer-events: none;
}

.patent__icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(77, 124, 255, 0.1));
  border: 1px solid rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.patent__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.patent__icon i {
  font-size: 30px;
  color: var(--accent-violet);
}

.patent__content {
  position: relative;
  z-index: 1;
}

.patent__title {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  line-height: 1.3;
}

.patent__meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.patent__meta span {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.patent__meta i {
  color: var(--accent-violet);
}

.patent__desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 20px;
}

.patent__badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(77, 124, 255, 0.08));
  border: 1px solid rgba(124, 58, 237, 0.2);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-violet);
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .patent__card {
    flex-direction: column;
    padding: 28px 24px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   PUBLICATIONS SECTION
   ═══════════════════════════════════════════════════════════════ */
.publications {
  padding: var(--section-pad) 0;
  position: relative;
}

.pubs__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pub-card {
  padding: 36px 28px;
  border-radius: 22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  position: relative;
  overflow: hidden;
  transition: all 0.5s var(--ease-smooth);
  text-align: center;
}

.pub-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  transition: none;
}

.pub-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(77, 124, 255, 0.25);
  box-shadow: 
    0 20px 60px rgba(77, 124, 255, 0.16),
    0 0 40px rgba(77, 124, 255, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.05);
  background: rgba(15, 15, 40, 0.6);
}

.pub-card:hover::after {
  animation: card-shimmer 0.8s ease forwards;
}

.pub-card:hover .pub-card__glow {
  opacity: 1;
}

.pub-card__glow {
  position: absolute;
  bottom: -40%;
  left: -20%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(77, 124, 255, 0.04), transparent 40%);
  pointer-events: none;
}

.pub-card__type {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pub-card__type i {
  font-size: 18px;
}

.pub-card__stat {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  line-height: 1.1;
}

.pub-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 16px;
}

.pub-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-cyan);
  transition: color 0.3s, gap 0.3s;
}

.pub-card__link:hover {
  color: #fff;
  gap: 12px;
}

@media (max-width: 768px) {
  .pubs__grid {
    grid-template-columns: 1fr;
  }
}