/* ═══════════════════════════════════════════════════
   CHANDRU G — PORTFOLIO  |  style.css
   Design: Space Grotesk + Inter · Deep Space Dark Theme
   ═══════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────── */
:root {
  --bg-deep:      #060818;
  --bg-mid:       #0d1b3e;
  --bg-card:      rgba(13, 27, 62, 0.6);
  --bg-card-h:    rgba(0, 212, 255, 0.05);
  --cyan:         #00d4ff;
  --cyan-dim:     rgba(0, 212, 255, 0.15);
  --cyan-glow:    rgba(0, 212, 255, 0.35);
  --purple:       #7c3aed;
  --purple-glow:  rgba(124, 58, 237, 0.3);
  --green:        #10b981;
  --white:        #e8f4f8;
  --muted:        #8892a4;
  --border:       rgba(0, 212, 255, 0.12);
  --border-h:     rgba(0, 212, 255, 0.35);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-code:    'JetBrains Mono', monospace;

  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --section-pad:  120px;
}

/* ── RESET ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
canvas { display: block; }

/* ── UTILITY ─────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: var(--section-pad) 0; }
.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mt-16 { margin-top: 16px; }

/* ── REVEAL ANIMATIONS ───────────────────────────── */
.reveal, .reveal-right {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right {
  transform: translateX(40px);
}
.reveal.visible, .reveal-right.visible {
  opacity: 1;
  transform: none;
}

/* ── SCROLL STAGGER ──────────────────────────────── */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ═══════════════════════ NAVBAR ════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 20px 0;
}
.navbar.scrolled {
  background: rgba(6, 8, 24, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
  padding: 14px 0;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo-bracket { color: var(--cyan); }

.nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 9px 22px;
  border: 1.5px solid var(--cyan);
  border-radius: 8px;
  color: var(--cyan);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--cyan);
  color: var(--bg-deep);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(6, 8, 24, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  transition: opacity var(--transition);
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
}
.mobile-menu ul { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--cyan); }

/* ═══════════════════════ HERO ══════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
}
#heroCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 40%, rgba(255,255,255,0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 24px;
  min-height: 2em;
}
.typed-text { color: var(--cyan); font-weight: 600; }
.cursor {
  color: var(--cyan);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-tagline {
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(232, 244, 248, 0.75);
  margin-bottom: 36px;
  max-width: 520px;
}
.br-desk { display: block; }

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

/* ── BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #0099cc 100%);
  color: var(--bg-deep);
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.5);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(232, 244, 248, 0.25);
}
.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
  transform: translateY(-2px);
}
.full-width { width: 100%; justify-content: center; }

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.badge {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--muted);
}

/* ── CODE CARD ───────────────────────────────────── */
.hero-visual { position: relative; z-index: 2; }
.code-card {
  background: rgba(13, 20, 40, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.code-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
}
.code-card-header .dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.code-card-title {
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: var(--muted);
  margin-left: 10px;
}
.code-snippet {
  padding: 24px 22px;
  font-family: var(--font-code);
  font-size: 0.82rem;
  line-height: 1.8;
  white-space: pre;
}
.c-kw  { color: #c792ea; }
.c-fn  { color: #82aaff; }
.c-str { color: #c3e88d; }
.c-num { color: #f78c6c; }
.c-bool{ color: #ff9d00; }
.code-card-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.pill {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--green);
  background: rgba(16, 185, 129, 0.12);
  padding: 3px 12px;
  border-radius: 100px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}
.pill::before { content: '● '; }

/* ── SCROLL HINT ─────────────────────────────────── */
.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.scroll-hint span {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--cyan);
  border-radius: 100px;
  animation: scroll-anim 2s ease-in-out infinite;
}
@keyframes scroll-anim {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ═══════════════════════ SECTION HEADER ════════════ */
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ═══════════════════════ ABOUT ═════════════════════ */
.about { background: linear-gradient(180deg, var(--bg-deep) 0%, rgba(13,27,62,0.3) 100%); }
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: center;
}
.profile-frame {
  position: relative;
  width: 320px;
  height: 380px;
}
.profile-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.15) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.profile-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(0,212,255,0.08) 0%, transparent 60%);
}
.profile-initials {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.profile-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, var(--cyan-glow) 0%, transparent 70%);
  filter: blur(30px);
  z-index: -1;
  opacity: 0.5;
}
.profile-chip {
  position: absolute;
  background: rgba(6, 8, 24, 0.9);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  white-space: nowrap;
}
.chip-1 {
  bottom: 20px;
  left: -20px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.chip-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
.chip-2 { top: 30px; right: -20px; }

.about-bio {
  color: rgba(232, 244, 248, 0.75);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-bio strong { color: var(--white); }

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.fact {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.fact-icon { font-size: 1.3rem; }
.fact strong { display: block; font-size: 0.9rem; font-weight: 600; }
.fact small { font-size: 0.78rem; color: var(--muted); }

/* ═══════════════════════ SKILLS ════════════════════ */
.skills {
  background: rgba(13, 27, 62, 0.25);
  position: relative;
  overflow: hidden;
}
.skills::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  pointer-events: none;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.skill-category:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
}
.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.skill-cat-icon { font-size: 1.3rem; }
.skill-cat-header h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}
.skill-items { display: flex; flex-direction: column; gap: 14px; }
.skill-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.skill-label span:last-child { color: var(--cyan); font-weight: 600; }
.skill-bar {
  height: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--purple) 100%);
  border-radius: 100px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tech-tag {
  font-size: 0.82rem;
  font-weight: 500;
  font-family: var(--font-code);
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--cyan);
  transition: all var(--transition);
  cursor: default;
}
.tech-tag:hover {
  background: rgba(0, 212, 255, 0.2);
  box-shadow: 0 0 12px var(--cyan-glow);
  transform: translateY(-2px);
}

/* ═══════════════════════ PROJECTS ══════════════════ */
.projects { position: relative; }
.projects::before {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -100px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.project-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.12);
}
.project-card-inner { display: flex; flex-direction: column; height: 100%; }

.project-thumb {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.thumb-1 { background: linear-gradient(135deg, #0d2b4e 0%, #1a1040 100%); }
.thumb-2 { background: linear-gradient(135deg, #0d1f3a 0%, #0d2b20 100%); }
.thumb-3 { background: linear-gradient(135deg, #1a0d2b 0%, #0d1a3a 100%); }
.thumb-4 { background: linear-gradient(135deg, #2b1a0d 0%, #0d1a2b 100%); }
.thumb-5 { background: linear-gradient(135deg, #0d2b2b 0%, #1a0d3a 100%); }
.thumb-6 { background: linear-gradient(135deg, #2b0d1a 0%, #0d2b3a 100%); }
.project-thumb-icon { font-size: 3.5rem; filter: drop-shadow(0 0 20px rgba(255,255,255,0.2)); }

.project-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.project-meta { display: flex; gap: 8px; }
.project-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}
.project-problem, .project-solution {
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--muted);
}
.project-problem strong, .project-solution strong {
  color: rgba(232,244,248,0.6);
  font-weight: 600;
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
}
.project-stack span {
  font-size: 0.72rem;
  font-family: var(--font-code);
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(232,244,248,0.6);
}
.project-links {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.proj-btn {
  flex: 1;
  text-align: center;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-demo {
  background: linear-gradient(135deg, var(--cyan), #0099cc);
  color: var(--bg-deep);
}
.btn-demo:hover { box-shadow: 0 4px 16px rgba(0,212,255,0.4); transform: translateY(-1px); }
.btn-gh {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
}
.btn-gh:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}

/* ═══════════════════════ SERVICES ══════════════════ */
.services { background: rgba(13,27,62,0.2); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,212,255,0.1);
  background: var(--bg-card-h);
}
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: 2rem; margin-bottom: 16px; }
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.service-benefit {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan);
}

/* ═══════════════════════ STATS ═════════════════════ */
.stats {
  background: linear-gradient(135deg, rgba(0,212,255,0.04) 0%, rgba(124,58,237,0.06) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-item:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
}
.stat-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--cyan-dim) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}
.stat-item:hover::after { opacity: 1; }
.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  display: inline;
}
.stat-plus {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--cyan);
  display: inline;
  vertical-align: super;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 10px;
  font-weight: 500;
}

/* ═══════════════════════ CONTACT ═══════════════════ */
.contact { position: relative; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-start;
}
.contact-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.75;
  margin: 20px 0 32px;
}
.contact-actions { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.contact-link:hover {
  border-color: var(--cyan);
  background: var(--bg-card-h);
  transform: translateX(6px);
}
.contact-link-wa:hover { border-color: var(--green); }
.contact-link-icon { font-size: 1.5rem; }
.contact-link strong { display: block; font-size: 0.95rem; font-weight: 600; }
.contact-link small { font-size: 0.8rem; color: var(--muted); }

.contact-platforms { display: flex; gap: 12px; flex-wrap: wrap; }
.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 100px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.platform-badge:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ── CONTACT FORM CARD ───────────────────────────── */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(12px);
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 28px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(232,244,248,0.7);
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--white);
  outline: none;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.12);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #f87171;
}
.field-error {
  font-size: 0.78rem;
  color: #f87171;
  min-height: 1em;
}
.form-msg {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 20px;
}
.form-msg.success {
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--green);
}
.form-msg.error {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  color: #f87171;
}

/* ═══════════════════════ FOOTER ════════════════════ */
.footer {
  background: rgba(6,8,24,0.9);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.7;
}
.footer-links-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links-col a {
  font-size: 0.9rem;
  color: rgba(232,244,248,0.6);
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--cyan); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
}
.footer-tagline { color: rgba(232,244,248,0.4); font-style: italic; }

/* ═══════════════════════ RESPONSIVE ════════════════ */
@media (max-width: 1024px) {
  :root { --section-pad: 90px; }
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 140px;
  }
  .hero-visual { display: none; }
  .hero-tagline { max-width: 100%; }
  .hero-btns, .hero-badges { justify-content: center; }
  .scroll-hint { display: none; }
  .br-desk { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-image-col { display: flex; justify-content: center; }
  .profile-frame { width: 260px; height: 300px; }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }

  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --section-pad: 70px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero { padding-top: 120px; padding-bottom: 60px; }
  .hero-name { font-size: 2.5rem; }
  .about-facts { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-form-card { padding: 28px 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── REDUCED MOTION ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .code-card { animation: none; }
  .reveal, .reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* ── TESTIMONIALS SECTION ────────────────────────── */
.testimonials { background: linear-gradient(180deg, rgba(13,27,62,0.3) 0%, var(--bg-deep) 100%); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.testimonials-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 0;
  color: var(--text2);
  font-size: 15px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.testimonial-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px var(--border-h);
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 56px;
  line-height: 1;
  color: var(--cyan);
  opacity: 0.15;
  font-family: Georgia, serif;
}

.testimonial-stars {
  display: flex;
  gap: 3px;
}
.testimonial-stars .star-filled { color: #fbbf24; font-size: 18px; }
.testimonial-stars .star-empty  { color: rgba(255,255,255,0.15); font-size: 18px; }

.testimonial-message {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text2);
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--bg-deep);
  flex-shrink: 0;
}
.testimonial-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.testimonial-company {
  font-size: 12px;
  color: var(--cyan);
  margin-top: 2px;
}

.testimonials-cta {
  text-align: center;
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.testimonials-cta-text {
  color: var(--text2);
  font-size: 15px;
}

/* ── REVIEW MODAL ────────────────────────────────── */
.review-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 24, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.review-modal-overlay.open { display: flex; }

.review-modal {
  background: #0d1b3e;
  border: 1px solid var(--border-h);
  border-radius: 20px;
  padding: 36px 32px;
  width: 100%;
  max-width: 480px;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,212,255,0.12);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.review-modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.review-modal-close:hover { color: var(--cyan); background: var(--cyan-dim); }

.review-modal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.review-modal-sub {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 24px;
}

/* Star rating picker */
.star-rating {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.star-rating .star {
  font-size: 30px;
  color: rgba(255,255,255,0.15);
  cursor: pointer;
  transition: color 0.15s, transform 0.15s;
  line-height: 1;
  user-select: none;
}
.star-rating .star:hover,
.star-rating .star.hovered,
.star-rating .star.selected { color: #fbbf24; transform: scale(1.15); }

@media (max-width: 520px) {
  .review-modal { padding: 28px 20px; }
  .testimonials-grid { grid-template-columns: 1fr; }
}