:root {
  --bg: #050816;
  --bg-soft: rgba(12, 20, 41, 0.86);
  --text: #f8fbff;
  --muted: #9fb0c9;
  --primary: #2563eb;
  --secondary: #06b6d4;
  --accent: #7c3aed;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
}

body.light {
  --bg: #f5f8ff;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --text: #07111f;
  --muted: #5f6f8c;
  --border: rgba(7, 17, 31, 0.12);
  --shadow: 0 20px 60px rgba(37, 99, 235, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: radial-gradient(circle at top left, rgba(6, 182, 212, 0.16), transparent 32%), var(--bg);
  color: var(--text);
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
  pointer-events: none;
}

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

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

section {
  position: relative;
  padding: 7rem 0;
}

.container {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.glass-card,
.glass-nav,
.service-card,
.portfolio-card,
.stat-card,
.testimonial-card,
.tech-card,
.achievement-card,
.contact-card,
.about-card,
.timeline-card,
.profile-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.glass-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  border-radius: 14px;
  background: var(--gradient);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
}

.brand-text {
  font-size: 1rem;
}

.nav-link {
  color: var(--muted) !important;
  font-weight: 500;
  margin-inline: 0.35rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text) !important;
}

.navbar-toggler {
  border: 0;
  padding: 0.25rem 0.35rem;
}

.navbar-toggler span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
}

.navbar-collapse.show {
  display: block;
}

.theme-toggle {
  border: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--text);
  margin-left: 0.6rem;
}

.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: grid;
  place-items: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-ring {
  width: 72px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--primary);
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

.loader p {
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.cursor-dot,
.cursor-glow {
  position: fixed;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
  transition: transform 0.16s ease;
}

.cursor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary);
  mix-blend-mode: screen;
}

.cursor-glow {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.16);
  filter: blur(20px);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--gradient);
  z-index: 1001;
}

.eyebrow {
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-weight: 700;
  font-size: 0.76rem;
  margin-bottom: 0.85rem;
}

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

.hero {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding-top: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 4.3rem);
  font-family: "Plus Jakarta Sans", sans-serif;
  line-height: 1.06;
  margin-bottom: 1.2rem;
}

.hero-text,
.about-card p,
.service-card p,
.portfolio-content p,
.testimonial-card p,
.achievement-card p,
.contact-links a,
.footer-grid p,
.footer-grid li {
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.6rem 0 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 0.95rem 1.4rem;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.2);
}

.btn-primary {
  background: var(--gradient);
  color: white;
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
  margin-top: 1rem;
}

.typing-wrap {
  min-height: 2.8rem;
  margin-top: 1.2rem;
  font-size: 1.1rem;
  color: var(--text);
}

.typing-label {
  color: var(--muted);
  margin-right: 0.5rem;
}

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

.profile-card {
  position: relative;
  padding: 1.2rem;
  border-radius: 2rem;
  overflow: hidden;
}

.profile-card img {
  border-radius: 1.6rem;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.floating-badge {
  position: absolute;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(16px);
  font-weight: 600;
  box-shadow: var(--shadow);
}

.badge-top {
  top: 1.5rem;
  left: 1.5rem;
}

.badge-bottom {
  bottom: 1.3rem;
  right: 1.3rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2.4rem;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 2.7vw, 2.5rem);
  font-family: "Plus Jakarta Sans", sans-serif;
  margin: 0;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
}

.about-card,
.contact-card,
.service-card,
.portfolio-card,
.stat-card,
.testimonial-card,
.tech-card,
.achievement-card,
.timeline-card,
.skill-card {
  border-radius: 1.5rem;
  padding: 1.6rem;
}

.info-list {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.info-list a {
  color: var(--secondary);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.pill {
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.copy-btn {
  margin-top: 0.8rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 0.95fr 1.05fr;
  gap: 1.35rem;
}

.skill-head {
  display: flex;
  justify-content: space-between;
  margin-top: 0.8rem;
  font-weight: 600;
}

.progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  overflow: hidden;
  margin-top: 0.3rem;
}

.progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient);
}

.skill-circles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.circle-chart {
  width: 110px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--secondary) calc(var(--value) * 1%), rgba(255,255,255,0.1) 0);
  position: relative;
  color: var(--text);
  font-weight: 700;
}

.circle-chart::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--bg-soft);
}

.circle-chart span {
  position: relative;
  z-index: 1;
}

.skill-labels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  color: var(--muted);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.skill-tags span {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
}

.timeline-wrap {
  display: grid;
  gap: 1rem;
}

.timeline-card {
  position: relative;
  padding-left: 2rem;
}

.timeline-card::before {
  content: "";
  position: absolute;
  left: 0.6rem;
  top: 1.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 0 6px rgba(6, 182, 212, 0.15);
}

.timeline-year {
  display: inline-block;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.service-card i {
  color: var(--secondary);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.filter-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 0.7rem 1rem;
  border-radius: 999px;
}

.filter-btn.active {
  background: var(--gradient);
  color: white;
  border-color: transparent;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.portfolio-card {
  overflow: hidden;
  padding: 0;
}

.portfolio-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.portfolio-content {
  padding: 1.3rem 1.4rem 1.5rem;
}

.portfolio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.portfolio-actions a {
  color: var(--secondary);
  font-weight: 600;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  text-align: center;
}

.counter {
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 0.3rem;
}

.testimonial-swiper {
  padding-bottom: 2.4rem;
}

.testimonial-card i {
  color: var(--secondary);
  font-size: 1.45rem;
  margin-bottom: 0.85rem;
}

.swiper-pagination-bullet-active {
  background: var(--secondary) !important;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.tech-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 120px;
  color: var(--text);
}

.tech-card i {
  font-size: 1.8rem;
  color: var(--secondary);
}

.achievement-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.contact-card form label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.contact-card input,
.contact-card textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  outline: none;
}

.contact-card input:focus,
.contact-card textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.map-card {
  border-radius: 1.25rem;
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.map-card iframe {
  width: 100%;
  min-height: 240px;
  border: 0;
}

.contact-links {
  display: grid;
  gap: 0.75rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

footer {
  padding: 4rem 0 1.2rem;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 1.5rem;
}

.footer-grid h4 {
  margin-bottom: 0.9rem;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.social-links {
  display: flex;
  gap: 0.8rem;
}

.social-links a,
.back-to-top {
  width: 42px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.4rem;
  margin-top: 1.8rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.back-to-top {
  color: var(--text);
}

.floating-wa {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 56px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  box-shadow: var(--shadow);
  z-index: 900;
}

.toast {
  position: fixed;
  top: 1.1rem;
  right: 1.1rem;
  padding: 0.9rem 1rem;
  border-radius: 0.95rem;
  background: rgba(6, 182, 212, 0.95);
  color: white;
  z-index: 9999;
  opacity: 0;
  transform: translateY(-15px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

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