/* ============================================================
   BEJUGAM MANASA — PORTFOLIO STYLES
   Architecture: Tokens → Reset → Base → Layout → Components → Sections → Utilities
   ============================================================ */

/* ── DESIGN TOKENS ───────────────────────────────────────── */
:root {
  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing scale */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 7rem;

  /* Radius */
  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-pill: 999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 200ms;
  --dur-med: 380ms;
  --dur-slow: 600ms;
}

/* DARK THEME (default) */
[data-theme="dark"] {
  --bg: #080b14;
  --bg-2: #0d1120;
  --bg-3: #141929;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.2);
  --text-primary: #f0f4ff;
  --text-secondary: #8b95b0;
  --text-muted: #4a5270;
  --accent: #6d8cff;
  --accent-2: #a78bfa;
  --accent-glow: rgba(109, 140, 255, 0.25);
  --accent-grad: linear-gradient(135deg, #6d8cff, #a78bfa);
  --nav-bg: rgba(8, 11, 20, 0.85);
  --tag-bg: rgba(109,140,255,0.12);
  --tag-color: #8fa8ff;
  --badge-data-bg: rgba(52, 211, 153, 0.15);
  --badge-data-color: #34d399;
  --badge-design-bg: rgba(251, 113, 133, 0.15);
  --badge-design-color: #fb7185;
  --badge-hackathon-bg: rgba(251, 191, 36, 0.15);
  --badge-hackathon-color: #fbbf24;
  --skill-track: rgba(255,255,255,0.07);
  --orb-1: rgba(109,140,255,0.18);
  --orb-2: rgba(167,139,250,0.12);
  --orb-3: rgba(52,211,153,0.08);
}

/* LIGHT THEME */
[data-theme="light"] {
  --bg: #f8f9ff;
  --bg-2: #ffffff;
  --bg-3: #eef0f8;
  --bg-card: rgba(0,0,0,0.03);
  --bg-card-hover: rgba(0,0,0,0.06);
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.2);
  --text-primary: #0a0f1e;
  --text-secondary: #4a5270;
  --text-muted: #9ba3bf;
  --accent: #4c6ef5;
  --accent-2: #7c5cfc;
  --accent-glow: rgba(76, 110, 245, 0.2);
  --accent-grad: linear-gradient(135deg, #4c6ef5, #7c5cfc);
  --nav-bg: rgba(248, 249, 255, 0.9);
  --tag-bg: rgba(76,110,245,0.1);
  --tag-color: #4c6ef5;
  --badge-data-bg: rgba(16, 185, 129, 0.1);
  --badge-data-color: #059669;
  --badge-design-bg: rgba(239, 68, 68, 0.1);
  --badge-design-color: #dc2626;
  --badge-hackathon-bg: rgba(245, 158, 11, 0.1);
  --badge-hackathon-color: #d97706;
  --skill-track: rgba(0,0,0,0.06);
  --orb-1: rgba(76,110,245,0.12);
  --orb-2: rgba(124,92,252,0.08);
  --orb-3: rgba(16,185,129,0.06);
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

/* ── TYPOGRAPHY ──────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; }
h1 { font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { color: var(--text-secondary); }

/* ── LAYOUT UTILITIES ────────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--sp-md);
}
.section {
  padding: var(--sp-2xl) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-sm);
}
.section-label::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--accent-grad);
  border-radius: 2px;
}
.section-title { color: var(--text-primary); }
.section-header { margin-bottom: var(--sp-xl); }
.accent { background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── REVEAL ANIMATIONS ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
.reveal--delay-5 { transition-delay: 400ms; }
.reveal--delay-6 { transition-delay: 480ms; }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75em 1.6em;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--dur-med) var(--ease-out);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.btn--ghost {
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
}
.btn--ghost:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--accent);
}
.btn--full { width: 100%; justify-content: center; }

/* ── TAGS & BADGES ───────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 0.3em 0.9em;
  background: var(--tag-bg);
  color: var(--tag-color);
  border-radius: var(--r-pill);
  font-size: 0.78rem;
  font-weight: 500;
}
.badge {
  display: inline-block;
  padding: 0.2em 0.7em;
  border-radius: var(--r-pill);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge--data { background: var(--badge-data-bg); color: var(--badge-data-color); }
.badge--design { background: var(--badge-design-bg); color: var(--badge-design-color); }
.badge--hackathon { background: var(--badge-hackathon-bg); color: var(--badge-hackathon-color); }

/* ══════════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--sp-md);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}
.nav__logo-mark {
  width: 32px;
  height: 32px;
  background: var(--accent-grad);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: #fff;
  font-weight: 800;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-grad);
  transition: width var(--dur-med) var(--ease-out);
  border-radius: 2px;
}
.nav__links a:hover { color: var(--text-primary); }
.nav__links a:hover::after { width: 100%; }
.nav__actions { display: flex; align-items: center; gap: var(--sp-sm); }

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 1rem;
  transition: all var(--dur-fast);
}
.theme-toggle:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }
.theme-toggle__icon { line-height: 1; display: none; }
[data-theme="dark"] .theme-toggle__sun { display: block; }
[data-theme="light"] .theme-toggle__moon { display: block; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--dur-med) var(--ease-out);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: var(--sp-sm) var(--sp-md);
  gap: var(--sp-xs);
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
  padding: 0.75em 0;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--dur-fast);
}
.nav__mobile-link:last-child { border-bottom: none; }
.nav__mobile-link:hover { color: var(--accent); }

/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.hero__orb--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: var(--orb-1);
  animation: drift 12s ease-in-out infinite alternate;
}
.hero__orb--2 {
  width: 400px;
  height: 400px;
  bottom: 0;
  left: -150px;
  background: var(--orb-2);
  animation: drift 16s ease-in-out infinite alternate-reverse;
}
.hero__orb--3 {
  width: 300px;
  height: 300px;
  top: 40%;
  left: 40%;
  background: var(--orb-3);
  animation: drift 10s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(40px, -30px) scale(1.08); }
}
.hero__grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 120px var(--sp-md) var(--sp-2xl);
  width: 100%;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4em 1em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  margin-bottom: var(--sp-md);
  letter-spacing: 0.04em;
}
.hero__dot {
  width: 7px;
  height: 7px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 8px #34d399;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px #34d399, 0 0 0 0 rgba(52,211,153,0.4); }
  50% { box-shadow: 0 0 8px #34d399, 0 0 0 8px rgba(52,211,153,0); }
}
.hero__title {
  margin-bottom: var(--sp-md);
  max-width: 800px;
}
.hero__title-accent { background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: var(--sp-lg);
  line-height: 1.7;
}
.hero__sub strong { color: var(--text-primary); font-weight: 500; }
.hero__cta { display: flex; gap: var(--sp-sm); flex-wrap: wrap; margin-bottom: var(--sp-xl); }
.hero__stats { display: flex; align-items: center; gap: var(--sp-lg); }
.hero__stat { display: flex; flex-direction: column; gap: 0.2em; }
.hero__stat-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em; }
.hero__stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.hero__stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero__scroll-hint {
  position: absolute;
  bottom: var(--sp-lg);
  left: var(--sp-md);
  display: flex;
  align-items: center;
  gap: 0.75em;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 40px;
  height: 1px;
  background: var(--text-muted);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--accent);
  animation: scroll-line 1.8s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ══════════════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════════════ */
.about {
  background: var(--bg-2);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--sp-xl);
  align-items: start;
}
.about__body {
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: var(--sp-sm);
  color: var(--text-secondary);
}
.about__body em { font-style: italic; color: var(--text-primary); }
.about__tags { display: flex; flex-wrap: wrap; gap: var(--sp-xs); margin-top: var(--sp-md); }
.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  position: sticky;
  top: 90px;
  transition: border-color var(--dur-med);
}
.about__card:hover { border-color: var(--border-hover); }
.about__card-inner { display: flex; flex-direction: column; gap: var(--sp-md); }
.about__avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--r-md);
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}
.about__info h3 { font-size: 1.1rem; color: var(--text-primary); }
.about__info p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.3em; }
.about__details { display: flex; flex-direction: column; gap: 0.75em; padding-top: var(--sp-sm); border-top: 1px solid var(--border); }
.about__details li { display: flex; align-items: flex-start; gap: 0.75em; font-size: 0.85rem; color: var(--text-secondary); }
.about__detail-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.05em; }
.about__linkedin {
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.6em 1em;
  background: var(--accent-grad);
  color: #fff;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  font-weight: 600;
  justify-content: center;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}
.about__linkedin:hover { opacity: 0.9; transform: translateY(-1px); }

/* ══════════════════════════════════════════════════════════
   SKILLS
   ══════════════════════════════════════════════════════════ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}
.skill-category:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.skill-category__header {
  display: flex;
  align-items: center;
  gap: 0.75em;
  margin-bottom: var(--sp-md);
}
.skill-category__icon { font-size: 1.4rem; }
.skill-category__header h3 { font-size: 1rem; color: var(--text-primary); }
.skill-bars { display: flex; flex-direction: column; gap: var(--sp-sm); }
.skill-bar__meta { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.4em; }
.skill-bar__pct { color: var(--accent); font-weight: 600; }
.skill-bar__track {
  height: 5px;
  background: var(--skill-track);
  border-radius: var(--r-pill);
  overflow: hidden;
}
.skill-bar__fill {
  height: 100%;
  width: 0%;
  background: var(--accent-grad);
  border-radius: var(--r-pill);
  transition: width 1s var(--ease-out);
}

/* Soft skill rings */
.soft-skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-md); }
.soft-skill { display: flex; flex-direction: column; align-items: center; gap: 0.5em; }
.soft-skill__ring {
  position: relative;
  width: 80px;
  height: 80px;
}
.soft-skill__ring svg {
  width: 80px;
  height: 80px;
  transform: rotate(-90deg);
}
.soft-skill__bg { fill: none; stroke: var(--skill-track); stroke-width: 4; }
.soft-skill__progress {
  fill: none;
  stroke: url(#ringGrad);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 175.9;
  stroke-dashoffset: 175.9;
  transition: stroke-dashoffset 1.2s var(--ease-out);
}
.soft-skill__num {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
}
.soft-skill p { font-size: 0.78rem; color: var(--text-secondary); text-align: center; }

/* ══════════════════════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════════════════════ */
.projects { background: var(--bg-2); }
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  transition: border-color var(--dur-med), transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med);
  cursor: default;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 20px 60px -20px var(--accent-glow);
}
.project-card__header { display: flex; align-items: center; justify-content: space-between; }
.project-card__icon { font-size: 2rem; }
.project-card__badges { display: flex; gap: 0.4em; flex-wrap: wrap; }
.project-card__title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.project-card__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.project-card__stack { display: flex; flex-wrap: wrap; gap: 0.4em; }
.project-card__stack span {
  font-size: 0.72rem;
  padding: 0.25em 0.7em;
  background: var(--skill-track);
  color: var(--text-secondary);
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
}
.project-card__footer { padding-top: var(--sp-xs); border-top: 1px solid var(--border); }
.project-card__metric { font-size: 0.8rem; color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════
   TIMELINE
   ══════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}
.timeline__item {
  position: relative;
  margin-bottom: var(--sp-xl);
}
.timeline__item:last-child { margin-bottom: 0; }
.timeline__marker {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--accent-grad);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--accent);
  transition: box-shadow var(--dur-med);
}
.timeline__item:hover .timeline__marker {
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--accent), 0 0 16px var(--accent-glow);
}
.timeline__date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.4em;
}
.timeline__title { font-size: 1.1rem; color: var(--text-primary); margin-bottom: 0.3em; }
.timeline__org { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5em; }
.timeline__desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; max-width: 640px; }

/* ══════════════════════════════════════════════════════════
   ACHIEVEMENTS
   ══════════════════════════════════════════════════════════ */
.achievements { background: var(--bg-2); }
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}
.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  transition: border-color var(--dur-med), transform var(--dur-med) var(--ease-out);
}
.achievement-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.achievement-card__icon { font-size: 2rem; margin-bottom: var(--sp-sm); }
.achievement-card h3 { font-size: 1rem; color: var(--text-primary); margin-bottom: 0.5em; }
.achievement-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }

/* ══════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════ */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: var(--sp-xl);
  align-items: start;
}
.contact__body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--sp-lg);
}
.contact__channels { display: flex; flex-direction: column; gap: var(--sp-sm); }
.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--dur-med), transform var(--dur-fast);
  cursor: pointer;
}
.contact__channel:hover { border-color: var(--border-hover); transform: translateX(4px); }
.contact__channel--location { pointer-events: none; cursor: default; }
.contact__channel--location:hover { transform: none; }
.contact__channel-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.contact__channel div { display: flex; flex-direction: column; gap: 0.15em; }
.contact__channel strong { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.contact__channel span { font-size: 0.8rem; color: var(--text-secondary); }

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: var(--sp-sm); }
.form-group { display: flex; flex-direction: column; gap: 0.4em; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--text-secondary); }
.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.8em 1em;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-success {
  display: none;
  padding: 0.9em 1em;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--r-sm);
  color: #34d399;
  font-size: 0.85rem;
  text-align: center;
}
.form-success.visible { display: block; }

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: var(--sp-xl) 0;
}
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: var(--sp-sm); text-align: center; }
.footer__brand { display: flex; align-items: center; gap: 0.5em; font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.footer__tagline { font-size: 0.82rem; color: var(--text-muted); }
.footer__links { display: flex; gap: var(--sp-md); margin-top: 0.5em; }
.footer__links a { font-size: 0.82rem; color: var(--text-muted); transition: color var(--dur-fast); }
.footer__links a:hover { color: var(--accent); }
.footer__copy { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.5em; }

/* ══════════════════════════════════════════════════════════
   SVG GRADIENT DEFS (for ring charts)
   ══════════════════════════════════════════════════════════ */
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .about__grid { grid-template-columns: 1fr; }
  .about__right { position: static; }
  .about__card { max-width: 440px; }
  .skills__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .achievements__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  :root { --sp-2xl: 4rem; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  .hero__stats { gap: var(--sp-md); }
  .hero__stat-num { font-size: 1.4rem; }
  .achievements__grid { grid-template-columns: 1fr; }
  .soft-skills { grid-template-columns: repeat(2, 1fr); }
}