/* ============================================================
   KUMARAVEL M · PORTFOLIO CSS
   Theme: Crisp White + Ink Black + Electric Accent
   Bootstrap 5 compatible · Fully Mobile Responsive
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --black:    #0a0a0a;
  --white:    #ffffff;
  --off:      #f5f5f3;
  --accent:   #111111;
  --electric: #00d4ff;
  --green:    #16a34a;
  --red:      #e11d48;
  --gray:     #6b7280;
  --light:    #e5e7eb;
  --border:   #e2e2e2;
  --shadow:   0 4px 32px rgba(0,0,0,0.08);
  --shadow-lg:0 16px 64px rgba(0,0,0,0.12);
  --radius:   14px;
  --radius-lg:20px;
  --font-main:'DM Sans', sans-serif;
  --font-head:'Syne', sans-serif;
  --font-mono:'DM Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-main);
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.7;
}

/* ── Custom Cursor ─────────────────────────────────────────── */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--black);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s;
}
.cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 2px solid rgba(0,0,0,0.3);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, border-color 0.2s;
}
a:hover ~ .cursor-ring,
button:hover ~ .cursor-ring { width: 52px; height: 52px; border-color: var(--black); }

@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAVBAR ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  transition: var(--transition);
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: var(--transition);
}
.nav-logo span { color: var(--electric); }
.nav-logo:hover { opacity: 0.75; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 100px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--black); background: var(--off); }

.nav-cta {
  background: var(--black) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  font-weight: 600 !important;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-cta:hover { background: #333 !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: var(--transition);
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ── Mobile Nav ────────────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.77,0,0.175,1);
}
.mobile-nav.open { transform: translateX(0); }

.mobile-nav a {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  opacity: 0.85;
}
.mobile-nav a:hover { opacity: 1; color: var(--electric); }
.mobile-nav a i { font-size: 1.2rem; }

.mobile-close {
  position: absolute;
  top: 28px;
  right: 28px;
  background: var(--off);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--black);
  transition: var(--transition);
}
.mobile-close:hover { background: var(--black); color: var(--white); }

/* ── HERO ──────────────────────────────────────────────────── */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--white);
  padding-top: 80px;
}

/* Animated background grid */
#home::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
}

/* Orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
  z-index: 0;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #000 0%, transparent 70%);
  top: -200px; right: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #00d4ff 0%, transparent 70%);
  bottom: -100px; left: -100px;
  opacity: 0.08;
  animation-delay: 3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #000 0%, transparent 70%);
  top: 50%; left: 40%;
  opacity: 0.05;
  animation-delay: 6s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray);
  background: var(--off);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  animation: fadeUp 0.7s ease both;
}

.hero-name {
  font-family: var(--font-head);
  font-weight:0.10;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--black);
  margin-bottom: 16px;
  animation: fadeUp 0.7s 0.1s ease both;
}

.hero-name .highlight {
  background: var(--black);
  color: var(--white);
  padding: 0 8px;
  border-radius: 6px;
  display: inline-block;
}

.hero-role {
  font-size: 1.15rem;
  color: var(--gray);
  margin-bottom: 16px;
  font-weight: 400;
  animation: fadeUp 0.7s 0.2s ease both;
  min-height: 1.7em;
}

.typed-text {
  color: var(--black);
  font-weight: 600;
  border-right: 2px solid var(--black);
  padding-right: 2px;
  animation: blink 0.8s step-end infinite;
}
@keyframes blink { 0%,100%{border-color:var(--black)} 50%{border-color:transparent} }

.hero-desc {
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
  animation: fadeUp 0.7s 0.3s ease both;
}
.hero-desc strong { color: var(--black); }

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  animation: fadeUp 0.7s 0.4s ease both;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--black);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid var(--black);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--electric);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
}
.btn-primary:hover::before { opacity: 0.15; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.25); color: var(--white); }
.btn-primary i, .btn-primary span { position: relative; z-index: 1; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--black);
  padding: 14px 28px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid var(--border);
}
.btn-ghost:hover { border-color: var(--black); transform: translateY(-3px); color: var(--black); background: var(--off); }

/* Available badge */
.available-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray);
  font-weight: 500;
  animation: fadeUp 0.7s 0.5s ease both;
}
.available-badge strong { color: var(--green); }
.available-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(22,163,74,0); }
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  animation: fadeUp 0.7s 0.6s ease both;
}
.hero-stats > div {
  display: flex;
  flex-direction: column;
}
.stat-val {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--black);
  line-height: 1;
}
.stat-val span { color: var(--electric); }
.stat-lbl {
  font-size: 0.78rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeUp 0.8s 0.2s ease both;
  width: 420px;
  height: 420px;
  margin: 0 auto;
}

/* ── Outer pulse rings (glow effect) ── */
.hero-visual::before,
.hero-visual::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-visual::before {
  inset: -18px;
  border: 2px dashed rgba(0,0,0,0.12);
  animation: rotate-slow 18s linear infinite;
}
.hero-visual::after {
  inset: -36px;
  border: 1.5px dashed rgba(0,0,0,0.06);
  animation: rotate-slow 28s linear infinite reverse;
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Main spinning gradient ring ── */
.profile-ring {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  position: relative;
  z-index: 2;
  padding: 5px;
  background: conic-gradient(
    from 0deg,
    #000000 0%,
    #555555 20%,
    #ffffff 40%,
    #000000 60%,
    #aaaaaa 80%,
    #000000 100%
  );
  animation: conic-spin 3s linear infinite;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.08),
    0 8px 40px rgba(0,0,0,0.18),
    0 24px 80px rgba(0,0,0,0.10);
}

@keyframes conic-spin {
  from { background: conic-gradient(from 0deg,   #000 0%, #555 20%, #fff 40%, #000 60%, #aaa 80%, #000 100%); }
  to   { background: conic-gradient(from 360deg, #000 0%, #555 20%, #fff 40%, #000 60%, #aaa 80%, #000 100%); }
}

/* ── Second inner decorative ring ── */
.profile-ring::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,0,0,0.08);
  animation: rotate-slow 6s linear infinite reverse;
  z-index: -1;
}

/* ── Glowing dot that orbits the ring ── */
.profile-ring::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--black);
  border-radius: 50%;
  top: 50%;
  left: -7px;
  margin-top: -7px;
  box-shadow: 0 0 12px 4px rgba(0,0,0,0.35);
  transform-origin: calc(150px + 7px) 7px;
  animation: orbit-dot 3s linear infinite;
}

@keyframes orbit-dot {
  from { transform: rotate(0deg) translateX(0); }
  to   { transform: rotate(360deg) translateX(0); }
}

/* Reposition so the dot actually orbits the circle center */
.profile-ring::after {
  top: calc(50% - 7px);
  left: calc(50% - 7px);
  transform-origin: 7px 7px;
  animation: orbit-around 3s linear infinite;
}
@keyframes orbit-around {
  from { transform: rotate(0deg) translateX(155px); }
  to   { transform: rotate(360deg) translateX(155px); }
}

.profile-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 5px solid var(--white);
  display: block;
  position: relative;
  z-index: 1;
  transition: filter 0.4s;
}
.profile-img:hover { filter: grayscale(20%) brightness(1.05); }

/* Floating badges */
.float-badge {
  position: absolute;
  background: var(--white);
  border: 1.5px solid var(--border);
  padding: 10px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  white-space: nowrap;
  z-index: 2;
}
.float-badge i { font-size: 1rem; }

.fb-1 { top: 30px; right: -10px; animation: floatBadge 4s ease-in-out infinite; }
.fb-2 { bottom: 60px; left: -20px; animation: floatBadge 4s 1s ease-in-out infinite; }
.fb-3 { top: 50%; right: -30px; animation: floatBadge 4s 2s ease-in-out infinite; }
.fb-4 { bottom: 20px; right: 10px; animation: floatBadge 4s 3s ease-in-out infinite; }
.fb-5 { top: 20px; left: 20px; animation: floatBadge 4s 1.5s ease-in-out infinite; }
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ── RESPONSIVE HERO — Tablet ──────────────────────────────── */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    padding: 40px 20px 60px;
  }
  .hero-visual { order: -1; margin: 0 auto; width: 280px; height: 280px; }
  .hero-content { order: 1; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .available-badge { justify-content: center; }
  .profile-ring { width: 220px; height: 220px; }
  .fb-1 { top: 0px; right: 0px; font-size: 0.72rem; padding: 6px 11px; }
  .fb-2 { bottom: 0px; left: 0px; font-size: 0.72rem; padding: 6px 11px; }
  .fb-3, .fb-4 { display: none; }
}

/* ── RESPONSIVE HERO — Mobile ──────────────────────────────── */
@media (max-width: 600px) {
  #home { padding-top: 70px; }
  .hero-container { padding: 32px 16px 56px; gap: 32px; }

  .hero-name {
    font-size: clamp(2rem, 11vw, 3rem);
    letter-spacing: -1px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .hero-eyebrow { font-size: 0.72rem; padding: 5px 12px; }
  .hero-role    { font-size: 1rem; }
  .hero-desc    { font-size: 0.9rem; }

  .hero-btns {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .btn-primary, .btn-ghost {
    width: 100%;
    max-width: 300px;
    justify-content: center;
    padding: 13px 20px;
    font-size: 0.9rem;
  }

  .hero-stats {
    gap: 0;
    justify-content: space-around;
    width: 100%;
    background: var(--off);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 8px;
  }
  .hero-stats > div { align-items: center; }
  .stat-val { font-size: 1.6rem; }
  .stat-lbl { font-size: 0.7rem; }

  .hero-visual { width: 220px; height: 220px; }
  .profile-ring { width: 175px; height: 175px; }
  .hero-visual::before, .hero-visual::after { display: none; }
  .fb-1 { top: 0px; right: 0px; font-size: 0.65rem; padding: 5px 9px; }
  .fb-2 { bottom: 0px; left: 0px; font-size: 0.65rem; padding: 5px 9px; }
  .float-badge i { font-size: 0.85rem; }
  .available-badge { font-size: 0.8rem; }
}

/* ── MARQUEE ───────────────────────────────────────────────── */
.marquee-section {
  padding: 20px 0;
  background: var(--black);
  overflow: hidden;
  position: relative;
}
.marquee-section::before, .marquee-section::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.marquee-section::before { left: 0; background: linear-gradient(to right, var(--black), transparent); }
.marquee-section::after  { right: 0; background: linear-gradient(to left, var(--black), transparent); }

.marquee-track {
  display: flex;
  gap: 0;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-right: 1px solid rgba(255,255,255,0.1);
  white-space: nowrap;
  transition: color 0.2s;
}
.marquee-item:hover { color: var(--white); }
.marquee-item i { font-size: 1rem; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── SECTIONS SHARED ───────────────────────────────────────── */
section {
  padding: 100px 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray);
  background: var(--off);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--black);
  border-radius: 50%;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--black);
  margin-bottom: 12px;
}

.section-sub {
  color: var(--gray);
  font-size: 1rem;
  max-width: 460px;
  line-height: 1.7;
}

/* ── REVEAL ANIMATIONS ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── ABOUT ─────────────────────────────────────────────────── */
#about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 72px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}
.about-img-wrap::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 2px solid var(--black);
  border-radius: var(--radius-lg);
  z-index: 0;
  transform: rotate(2deg);
  transition: transform 0.4s;
}
.about-img-wrap:hover::before { transform: rotate(0deg); }
.about-img-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
  position: relative;
  z-index: 1;
  filter: grayscale(20%);
  transition: filter 0.4s;
}
.about-img-wrap:hover img { filter: grayscale(0); }

.about-text p {
  color: var(--gray);
  line-height: 1.85;
  margin-bottom: 16px;
}
.about-text strong { color: var(--black); }

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
  background: var(--off);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
}
.info-item {}
.info-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.info-val { font-size: 0.9rem; font-weight: 500; color: var(--black); }

@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-img-wrap { max-width: 380px; margin: 0 auto; }
}

/* ── SKILLS ────────────────────────────────────────────────── */
#skills { background: var(--off); }

.skills-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.skill-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.skill-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.skill-card:hover {
  transform: translateY(-8px) !important;
  box-shadow: var(--shadow-lg);
  border-color: var(--black);
}
.skill-card:hover::before { transform: scaleX(1); }

.skill-card i {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 12px;
  transition: transform 0.3s;
}
.skill-card:hover i { transform: scale(1.15); }

.skill-card h5 {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}




@media (max-width: 1024px) { .skills-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 768px)  { .skills-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px)  { .skills-grid { grid-template-columns: repeat(2, 1fr); } }

/* ── EXPERIENCE ────────────────────────────────────────────── */
#experience { background: var(--white); }

.timeline { max-width: 780px; }

.timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 40px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--black), transparent);
}
.timeline-item::after {
  content: '';
  position: absolute;
  left: -5px; top: 20px;
  width: 12px; height: 12px;
  background: var(--black);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--black);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gray);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.exp-card {
  background: var(--off);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: var(--transition);
}
.exp-card:hover {
  border-color: var(--black);
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.exp-card h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.exp-card h3 i { font-size: 0.9rem; color: var(--gray); }

.exp-company {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.exp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.exp-list li {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.7;
  padding-left: 18px;
  position: relative;
}
.exp-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--black);
  font-weight: 700;
}
.exp-list li strong { color: var(--black); }

/* ── PROJECTS ──────────────────────────────────────────────── */
#projects { background: var(--off); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
  display: flex;
  flex-direction: column;
}
.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--black);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
  border-radius: var(--radius-lg);
}
.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.15);
  border-color: var(--black);
}
.project-card:hover::after { opacity: 0.02; }

.project-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--light);
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
  position: absolute;
  top: 28px; right: 28px;
  font-size: 3rem;
  font-weight: 800;
  color: var(--off);
  font-family: var(--font-head);
  letter-spacing: -2px;
  line-height: 1;
}

.project-icon {
  margin-bottom: 16px;
}
.project-icon i { font-size: 2.4rem; transition: transform 0.3s; }
.project-card:hover .project-icon i { transform: scale(1.15) rotate(-5deg); }

.project-card h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.project-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-card p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 20px;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tags span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.73rem;
  font-weight: 600;
  background: var(--off);
  color: var(--black);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
  transition: var(--transition);
}
.project-card:hover .project-tags span {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.project-tags span i { font-size: 0.85rem; }

@media (max-width: 900px)  { .projects-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px)  { .projects-grid { grid-template-columns: 1fr; } }

/* ── CONTACT ───────────────────────────────────────────────── */
#contact { background: var(--white); }

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-info p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--off);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--black);
  transition: var(--transition);
}
.contact-item:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
  transform: translateX(6px);
}
.contact-item-icon {
  width: 42px;
  height: 42px;
  background: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--black);
  border: 1px solid var(--border);
}
.contact-item:hover .contact-item-icon {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.2);
  color: var(--white);
}
.contact-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-item-text strong {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.contact-item-text span { font-size: 0.88rem; opacity: 0.8; }

/* Socials */
.socials {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 44px;
  height: 44px;
  background: var(--off);
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
}
.social-btn:hover {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
  transform: translateY(-4px) rotate(-5deg);
}

/* Contact Form */
.contact-form-area {
  background: var(--off);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-bottom: 7px;
}
.form-control {
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--black);
  outline: none;
  transition: var(--transition);
  resize: none;
}
.form-control:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.06);
}
.form-control::placeholder { color: var(--light); }

.btn-submit {
  width: 100%;
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 15px;
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  letter-spacing: 0.02em;
  margin-top: 4px;
}
.btn-submit:hover {
  background: #222;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}

@media (max-width: 900px) {
  .contact-wrapper { grid-template-columns: 1fr; gap: 48px; }
}

/* ── FOOTER ────────────────────────────────────────────────── */
footer {
  background: var(--black);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 28px 24px;
  font-size: 0.85rem;
}
footer span { color: var(--white); font-weight: 600; }
footer i { margin: 0 4px; }

/* ── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--off); }
::-webkit-scrollbar-thumb { background: var(--black); border-radius: 10px; }

/* ── SELECTION ─────────────────────────────────────────────── */
::selection { background: var(--black); color: var(--white); }

/* ── GLOBAL MOBILE UTILITIES ───────────────────────────────── */

/* Prevent ANY horizontal overflow */
html, body { max-width: 100%; overflow-x: hidden; }
* { max-width: 100%; }
img { max-width: 100%; height: auto; }

@media (max-width: 768px) {
  section { padding: 64px 0; }

  .container { padding: 0 16px; }

  /* Section headers */
  .section-title {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
    letter-spacing: -0.8px;
  }
  .section-sub { font-size: 0.9rem; }
  .skills-header { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-img-wrap { max-width: 300px; margin: 0 auto; }
  .about-info-grid { grid-template-columns: 1fr 1fr; gap: 12px; padding: 16px; }

  /* Experience */
  .timeline-item { padding-left: 24px; }
  .exp-card { padding: 18px 16px; }
  .exp-card h3 { font-size: 1rem; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; gap: 16px; }
  .project-card { padding: 24px; }
  .project-number { font-size: 2rem; top: 18px; right: 18px; }

  /* Contact */
  .contact-wrapper { grid-template-columns: 1fr; gap: 36px; }
  .contact-form-area { padding: 20px; }
  .contact-item { padding: 12px 14px; }

  /* Navbar */
  .nav-logo { font-size: 1.15rem; }
}

@media (max-width: 400px) {
  .about-info-grid { grid-template-columns: 1fr; }
  .hero-stats > div { align-items: center; }
  .project-tags span { font-size: 0.67rem; padding: 3px 8px; }
  .float-badge { display: none; }
}