/* =========================================
   styles.css – Bhanu Charan K Portfolio
   ========================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
  --clr-bg:         #0a0e1a;
  --clr-bg-2:       #0d1220;
  --clr-surface:    #111827;
  --clr-surface-2:  #1a2235;
  --clr-border:     rgba(99, 179, 237, 0.12);
  --clr-primary:    #6366f1;
  --clr-primary-h:  #818cf8;
  --clr-accent:     #06b6d4;
  --clr-text:       #e2e8f0;
  --clr-text-muted: #94a3b8;
  --clr-white:      #ffffff;

  --gradient-primary: linear-gradient(135deg, #6366f1, #06b6d4);
  --gradient-hero:    linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.08));
  --hero-max-width:   1200px;
  --hero-layout-left: 3fr;
  --hero-layout-right: 2fr;
  --hero-gap:         42px;
  --font-size-chip:   0.78rem;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 30px rgba(99,102,241,0.25);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --noise-texture:
    radial-gradient(circle at 25% 20%, rgba(255,255,255,0.08) 0 1px, transparent 1px 100%),
    radial-gradient(circle at 75% 80%, rgba(255,255,255,0.05) 0 1px, transparent 1px 100%);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

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

::selection { background: rgba(99,102,241,0.35); }

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

/* ---------- Typography ---------- */
h1,h2,h3,h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ---------- Container ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  gap: 8px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: -120%;
  left: -180%;
  width: 150%;
  height: 320%;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.22) 50%, transparent 70%);
  transform: rotate(14deg);
  transition: transform var(--transition-slow), left var(--transition-slow);
  pointer-events: none;
}

.btn:hover::after,
.btn:focus-visible::after {
  left: 130%;
  transform: rotate(14deg) translateX(40%);
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(99,102,241,0.5);
}

.btn--outline {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: transparent;
}
.btn--outline:hover {
  background: rgba(99,102,241,0.1);
  transform: translateY(-2px);
}

.btn--sm   { padding: 8px 20px; font-size: 0.875rem; }
.btn--full { width: 100%; }

/* =========================================
   HEADER / NAV
   ========================================= */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
}

#header.scrolled {
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.02em;
}

.logo-bracket {
  color: var(--clr-primary);
}

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

.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 1px;
  background: var(--gradient-primary);
  transition: var(--transition);
}
.nav__link:hover,
.nav__link:focus-visible,
.nav__link.active {
  color: var(--clr-white);
}
.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link.active::after {
  width: calc(100% - 28px);
}

.nav__link--cta {
  background: var(--gradient-primary);
  color: var(--clr-white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-md);
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { opacity: 0.9; transform: translateY(-1px); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  isolation: isolate;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(99,102,241,0.18), transparent 62%),
    var(--noise-texture);
  background-size: auto, 180px 180px;
  opacity: 0.65;
  pointer-events: none;
  z-index: 0;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite alternate;
}
.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(99,102,241,0.18);
  top: -100px;
  right: -100px;
}
.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(6,182,212,0.12);
  bottom: -80px;
  left: -80px;
  animation-delay: -4s;
}

@keyframes float {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-30px) scale(1.04); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--hero-max-width);
  padding: 80px 24px;
}

.hero__layout {
  display: grid;
  grid-template-columns: var(--hero-layout-left) var(--hero-layout-right);
  gap: var(--hero-gap);
  align-items: center;
}

.hero__left {
  min-width: 0;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__profile-card {
  width: min(360px, 100%);
  background: rgba(17, 24, 39, 0.62);
  border: 1px solid rgba(129, 140, 248, 0.28);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  padding: 34px 28px;
  text-align: center;
}

.hero__profile-avatar {
  width: 110px;
  height: 110px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--clr-white);
  background: var(--gradient-primary);
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.35);
}

.hero__profile-role {
  color: var(--clr-white);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero__profile-skills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.hero__profile-skills span {
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--clr-primary-h);
  font-size: var(--font-size-chip);
  font-family: var(--font-mono);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  margin-bottom: 18px;
  border-radius: 100px;
  border: 1px solid rgba(129,140,248,0.35);
  background: rgba(17,24,39,0.6);
  color: #c7d2fe;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero__eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 14px rgba(34,211,238,0.8);
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.72); opacity: 0.55; }
}

.hero__greeting {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--clr-primary-h);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.hero__name {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  color: var(--clr-white);
  line-height: 1.05;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 40%, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__role {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 600;
  color: var(--clr-text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.role-prefix { color: var(--clr-text-muted); }
.typed-text  { color: var(--clr-accent); font-family: var(--font-mono); }
.cursor {
  color: var(--clr-accent);
  font-weight: 300;
  animation: blink 0.8s step-end infinite;
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

.hero__tagline {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 580px;
  margin-bottom: 40px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero__social {
  display: flex;
  gap: 16px;
}
.hero__social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  transition: var(--transition);
}
.hero__social a:hover,
.hero__social a:focus-visible {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
  background: rgba(99,102,241,0.1);
  transform: translateY(-3px);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-arrow {
  animation: bounce 1.5s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

/* =========================================
   SECTIONS – shared
   ========================================= */
.section {
  padding: 100px 0;
}

.section:nth-child(even) {
  background-color: var(--clr-bg-2);
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
}

.section__tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--clr-primary-h);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--clr-white);
  position: relative;
  display: inline-block;
  text-wrap: balance;
}
.section__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  border-radius: 2px;
  background: var(--gradient-primary);
}

.section__subtitle {
  margin-top: 24px;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
}

/* =========================================
   ABOUT
   ========================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}

.about__image-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.about__image-frame {
  position: relative;
  width: fit-content;
  margin: 0 auto;
}

.about__avatar {
  width: 260px;
  height: 260px;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-size: 5rem;
  font-weight: 900;
  color: var(--clr-white);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-glow);
  letter-spacing: -0.03em;
}

.about__image-decoration {
  position: absolute;
  inset: -12px;
  border-radius: calc(var(--radius-xl) + 8px);
  border: 2px dashed rgba(99,102,241,0.3);
  animation: spin 20s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 12px;
}

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.stat-card__number {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card__plus {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-primary);
}
.stat-card__label {
  display: block;
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
}

.about__text p {
  color: var(--clr-text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}
.about__text strong { color: var(--clr-white); }

.about__highlights {
  margin-bottom: 32px;
}
.about__highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--clr-text-muted);
  border-bottom: 1px solid var(--clr-border);
  font-size: 0.95rem;
}
.about__highlights li:last-child { border-bottom: none; }
.about__highlights .fa-circle-check { color: var(--clr-accent); }

/* =========================================
   SKILLS
   ========================================= */
.skills__categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.skill-category {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.skill-category__title {
  font-size: 1rem;
  color: var(--clr-white);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.skill-category__title i { color: var(--clr-primary); font-size: 1.1rem; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--clr-primary-h);
  transition: var(--transition);
}
.skill-tag:hover {
  background: rgba(99,102,241,0.25);
  color: var(--clr-white);
}

/* Skill bars */
.skills__bars {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.skills__bars-title {
  font-size: 1.1rem;
  color: var(--clr-white);
  margin-bottom: 28px;
  font-weight: 600;
}

.skill-bar { margin-bottom: 24px; }
.skill-bar:last-child { margin-bottom: 0; }

.skill-bar__meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}

.skill-bar__track {
  height: 6px;
  background: rgba(99,102,241,0.12);
  border-radius: 3px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  width: 0;
  border-radius: 3px;
  background: var(--gradient-primary);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   EXPERIENCE / TIMELINE
   ========================================= */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.timeline__item {
  position: relative;
  margin-bottom: 40px;
}
.timeline__item:last-child { margin-bottom: 0; }

.timeline__dot {
  position: absolute;
  left: -26px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--clr-bg);
  box-shadow: 0 0 10px rgba(99,102,241,0.5);
}

.timeline__card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: var(--transition);
}
.timeline__card:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}

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

.timeline__role {
  font-size: 1.15rem;
  color: var(--clr-white);
  font-weight: 700;
}
.timeline__company {
  color: var(--clr-primary-h);
  font-size: 0.9rem;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.timeline__period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  padding: 4px 12px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 100px;
  white-space: nowrap;
}

.timeline__bullets {
  list-style: disc inside;
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.timeline__bullets li { margin-bottom: 6px; line-height: 1.6; }
.timeline__bullets li::marker { color: var(--clr-primary); }

.timeline__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.timeline__tech span {
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.2);
  color: var(--clr-accent);
  font-family: var(--font-mono);
}

/* =========================================
   PROJECTS
   ========================================= */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover {
  border-color: rgba(99,102,241,0.5);
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.project-card:hover::before { opacity: 1; }

.project-card--featured {
  border-color: rgba(99,102,241,0.5);
}
.project-card__featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.project-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.3);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  color: var(--clr-primary-h);
  transition: var(--transition);
}

.project-card:hover .project-card__icon {
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 8px 20px rgba(99,102,241,0.28);
}

.project-card__links {
  display: flex;
  gap: 12px;
}
.project-card__links a {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}
.project-card__links a:hover,
.project-card__links a:focus-visible { color: var(--clr-primary-h); }

.project-card__title {
  font-size: 1.05rem;
  color: var(--clr-white);
  margin-bottom: 12px;
  font-weight: 700;
  position: relative;
  z-index: 1;
  transition: color var(--transition);
}

.project-card:hover .project-card__title {
  color: #c7d2fe;
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  flex: 1;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  line-height: 1.65;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.project-card__tech span {
  font-size: 0.76rem;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.2);
  color: var(--clr-accent);
  font-family: var(--font-mono);
}

.projects__more { text-align: center; }

/* =========================================
   EDUCATION
   ========================================= */
.education__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.edu-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
}
.edu-card:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.edu-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  color: white;
  flex-shrink: 0;
}

.edu-card__degree {
  font-size: 1rem;
  color: var(--clr-white);
  font-weight: 700;
  margin-bottom: 6px;
}
.edu-card__institution {
  color: var(--clr-primary-h);
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.edu-card__period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  margin-bottom: 8px;
}
.edu-card__detail {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}

/* Certs */
.certs__title {
  font-size: 1.15rem;
  color: var(--clr-white);
  margin-bottom: 24px;
  font-weight: 700;
}
.certs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.cert-badge {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  transition: var(--transition);
}
.cert-badge i {
  font-size: 1.3rem;
  color: var(--clr-primary-h);
}
.cert-badge:hover {
  border-color: rgba(99,102,241,0.4);
  color: var(--clr-text);
  transform: translateY(-2px);
}

/* =========================================
   CONTACT
   ========================================= */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: var(--transition);
  cursor: pointer;
}
.contact-item:hover,
.contact-item:focus-within {
  border-color: rgba(99,102,241,0.4);
  transform: translateX(4px);
}
.contact-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
}
.contact-item__label {
  display: block;
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.contact-item__value {
  display: block;
  color: var(--clr-text);
  font-size: 0.92rem;
  font-weight: 500;
}

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

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.form-group:last-of-type { margin-bottom: 28px; }

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text);
}
.form-group label span { color: var(--clr-primary); }

.form-group input,
.form-group textarea {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #f87171;
}

.form-error {
  font-size: 0.8rem;
  color: #f87171;
  min-height: 18px;
}

.form-success {
  text-align: center;
  padding: 16px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-sm);
  color: #34d399;
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer__logo { font-size: 1.2rem; }
.footer__copy {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}
.footer__copy .fa-heart { color: #f87171; }
.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social a {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}
.footer__social a:hover,
.footer__social a:focus-visible { color: var(--clr-primary-h); }

/* =========================================
   BACK TO TOP
   ========================================= */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  border: none;
  font-size: 1rem;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-3px); }

/* =========================================
   REVEAL ANIMATIONS
   ========================================= */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow), filter var(--transition-slow);
  filter: blur(4px);
}
.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

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

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .hero__layout { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__image-wrap { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 20px; }
  .contact__grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .nav__list {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(10,14,26,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px 32px;
    border-bottom: 1px solid var(--clr-border);
    gap: 4px;
    transform: translateY(-110%);
    transition: var(--transition);
    z-index: 999;
  }
  .nav__list.open {
    transform: translateY(0);
  }
  .nav__link { padding: 12px 16px; font-size: 1rem; width: 100%; }
  .nav__toggle { display: flex; }

  .hero__cta { flex-direction: column; align-items: flex-start; }
  .hero__profile-card { max-width: 320px; margin: 0 auto; }
  .hero__eyebrow { font-size: 0.72rem; letter-spacing: 0.06em; }
  .about__stats { grid-template-columns: repeat(3,1fr); }
  .form-row { grid-template-columns: 1fr; }
  .timeline { padding-left: 20px; }
  .timeline__card { padding: 20px; }
  .timeline__card-header { flex-direction: column; }
  .skills__bars { padding: 24px; }
  .contact__form { padding: 24px; }
  .footer__inner { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__eyebrow-dot {
    animation: pulse-dot 1.8s ease-in-out infinite;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-up,
  .reveal-left,
  .reveal-right { filter: blur(0) !important; }
  .hero__eyebrow {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

@media (max-width: 480px) {
  .about__stats { grid-template-columns: 1fr 1fr; }
  .about__avatar { width: 200px; height: 200px; font-size: 3.5rem; }
  .projects__grid { grid-template-columns: 1fr; }
  .back-to-top { bottom: 20px; right: 20px; }
}