/* === RESET & BASE === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0a0f;
  --bg2: #0d0d18;
  --bg3: #111122;
  --card: #12121e;
  --border: #1e1e32;
  --accent: #00d4ff;
  --accent2: #7c3aed;
  --text: #e2e2e8;
  --text-dim: #7a7a90;
  --nav-h: 72px;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "Consolas", "Fira Code", monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* === CONTAINER === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 110px 0;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4 {
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
}
h3 {
  font-size: 1.25rem;
  font-weight: 700;
}
.accent {
  color: var(--accent);
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding: 5px 14px;
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.05);
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-header h2 {
  margin-top: 10px;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition:
    background 0.3s,
    border-color 0.3s,
    backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--border);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.nav-logo span {
  color: var(--accent);
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 40px;
  align-items: center;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--text);
}
.nav-cta {
  background: var(--accent) !important;
  color: #000 !important;
  padding: 9px 22px !important;
  border-radius: 7px !important;
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  transition:
    opacity 0.2s,
    transform 0.2s,
    box-shadow 0.2s !important;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.25) !important;
}
.nav-cta:hover {
  opacity: 0.88 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.45) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition:
    transform 0.3s,
    opacity 0.3s;
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  transform: translateY(calc(-100% - var(--nav-h)));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open {
  transform: translateY(0);
}
.mobile-menu ul {
  list-style: none;
  padding: 12px 0 20px;
}
.mobile-menu li a {
  display: block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dim);
  transition:
    color 0.2s,
    background 0.2s;
}
.mobile-menu li a:hover {
  color: var(--text);
  background: var(--bg3);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 34px;
  border-radius: 9px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    opacity 0.2s,
    border-color 0.2s,
    color 0.2s;
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.55);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 212, 255, 0.5);
  color: var(--accent);
}
.btn-full {
  width: 100%;
}

/* === HERO === */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
/* Subtle radial glow behind content */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 50% at 50% 50%,
    rgba(0, 212, 255, 0.04) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  padding: 0 28px;
}
.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s forwards;
}
.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}
.hero-accent {
  color: var(--accent);
  display: block;
  min-height: 1.15em;
  text-shadow: 0 0 60px rgba(0, 212, 255, 0.25);
}
.hero-sub {
  margin-top: 28px;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--text-dim);
  max-width: 580px;
  margin-inline: auto;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s 0.7s forwards;
}
.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 44px;
  opacity: 0;
  animation: fadeUp 0.8s 0.9s forwards;
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 1s 1.6s forwards;
  z-index: 1;
}
.scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.8;
    transform: scaleY(1) translateY(0);
  }
  50% {
    opacity: 0.3;
    transform: scaleY(0.7) translateY(4px);
  }
}

/* === ABOUT === */
.about {
  background: var(--bg2);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text h2 {
  margin: 10px 0 22px;
}
.about-text p {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.stats {
  display: flex;
  gap: 44px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.stat-num {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

/* Code card */
.code-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 32px 96px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(0, 212, 255, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transform: perspective(800px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.4s ease;
}
.code-card:hover {
  transform: perspective(800px) rotateY(0deg) rotateX(0deg);
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
}
.dot-red {
  background: #ff5f57;
}
.dot-yellow {
  background: #febc2e;
}
.dot-green {
  background: #28c840;
}
.code-filename {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-left: 10px;
  font-family: var(--mono);
}
.code-body {
  padding: 28px;
  font-size: 0.88rem;
  line-height: 1.9;
  font-family: var(--mono);
  white-space: pre;
  overflow-x: auto;
}
.c-purple {
  color: #c678dd;
}
.c-cyan {
  color: #56b6c2;
}
.c-blue {
  color: #61afef;
}
.c-green {
  color: #98c379;
}

/* === SERVICES === */
.services {
  background: var(--bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 30px;
  transition:
    transform 0.3s,
    border-color 0.3s,
    box-shadow 0.3s;
  cursor: default;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  transform: translateY(-7px);
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(0, 212, 255, 0.08);
}
.service-card:hover::before {
  opacity: 1;
}
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 22px;
  display: block;
}
.service-icon svg {
  width: 100%;
  height: 100%;
}
.service-card h3 {
  margin-bottom: 12px;
  color: var(--text);
}
.service-card p {
  color: var(--text-dim);
  font-size: 0.93rem;
  line-height: 1.75;
}

/* === PORTFOLIO === */
.portfolio {
  background: var(--bg2);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 600px));
  gap: 20px;
  justify-content: center;
}
.portfolio-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.45);
}
.portfolio-img {
  height: 260px;
  background: var(--grad, var(--bg3));
  position: relative;
  overflow: hidden;
}

/* Abstract SVG-style graphics in each portfolio card */
.portfolio-gfx {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  transition:
    opacity 0.3s,
    transform 0.4s;
}
.portfolio-card:hover .portfolio-gfx {
  opacity: 0.3;
  transform: scale(1.05);
}

.gfx-1 {
  background:
    radial-gradient(
      circle at 30% 40%,
      rgba(0, 212, 255, 0.4) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(124, 58, 237, 0.3) 0%,
      transparent 40%
    );
}
.gfx-1::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0, 212, 255, 0.06) 0px,
      transparent 1px,
      transparent 40px,
      rgba(0, 212, 255, 0.06) 41px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 212, 255, 0.06) 0px,
      transparent 1px,
      transparent 40px,
      rgba(0, 212, 255, 0.06) 41px
    );
}

.gfx-2 {
  background:
    radial-gradient(
      circle at 60% 30%,
      rgba(236, 72, 153, 0.5) 0%,
      transparent 45%
    ),
    radial-gradient(
      circle at 20% 75%,
      rgba(124, 58, 237, 0.4) 0%,
      transparent 40%
    );
}
.gfx-2::before {
  content: "";
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 120px;
  height: 120px;
  border: 2px solid rgba(236, 72, 153, 0.3);
  border-radius: 50%;
  box-shadow:
    0 0 0 30px rgba(236, 72, 153, 0.06),
    0 0 0 60px rgba(236, 72, 153, 0.03);
}

.gfx-3 {
  background:
    radial-gradient(
      circle at 40% 55%,
      rgba(16, 185, 129, 0.45) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 25%,
      rgba(6, 182, 212, 0.3) 0%,
      transparent 40%
    );
}
.gfx-3::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 24px;
  width: 80px;
  height: 80px;
  border: 2px solid rgba(16, 185, 129, 0.35);
  border-radius: 4px;
  transform: rotate(20deg);
  box-shadow: 20px 20px 0 rgba(16, 185, 129, 0.12);
}

.gfx-4 {
  background:
    radial-gradient(
      circle at 50% 40%,
      rgba(245, 158, 11, 0.45) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 20% 80%,
      rgba(239, 68, 68, 0.3) 0%,
      transparent 40%
    );
}
.gfx-4::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%) rotate(45deg);
  width: 100px;
  height: 100px;
  border: 2px solid rgba(245, 158, 11, 0.3);
  box-shadow: 0 0 0 20px rgba(245, 158, 11, 0.06);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 28px;
  text-align: center;
}
.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}
.portfolio-overlay h3 {
  font-size: 1.4rem;
}
.portfolio-overlay p {
  color: var(--text-dim);
  font-size: 0.88rem;
}
.portfolio-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 20px;
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 6px;
  transition:
    background 0.2s,
    color 0.2s;
}
.portfolio-link:hover {
  background: rgba(0, 212, 255, 0.12);
}
.portfolio-info {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.portfolio-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
}
.portfolio-info span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.07);
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.portfolio-more {
  text-align: center;
  margin-top: 48px;
  color: var(--text-dim);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* === CONTACT === */
.contact {
  background: var(--bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.contact-text h2 {
  margin: 10px 0 18px;
}
.contact-text p {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 32px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  margin-bottom: 12px;
}
.contact-link:hover {
  color: var(--accent);
}
.contact-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.contact-icon svg {
  width: 100%;
  height: 100%;
}
.contact-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.contact-badges span {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-weight: 500;
}

/* Form */
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 44px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 9px;
  padding: 13px 17px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a7a90' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.form-group select option {
  background: var(--card);
}
.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

/* === FOOTER === */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  color: var(--text-dim);
  font-size: 0.82rem;
}
.footer-nav {
  display: flex;
  gap: 28px;
}
.footer-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer-nav a:hover {
  color: var(--text);
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-right {
  transform: translateY(24px) translateX(28px);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

.services-grid .reveal:nth-child(1) {
  transition-delay: 0s;
}
.services-grid .reveal:nth-child(2) {
  transition-delay: 0.1s;
}
.services-grid .reveal:nth-child(3) {
  transition-delay: 0.2s;
}
.services-grid .reveal:nth-child(4) {
  transition-delay: 0.1s;
}
.services-grid .reveal:nth-child(5) {
  transition-delay: 0.2s;
}
.services-grid .reveal:nth-child(6) {
  transition-delay: 0.3s;
}
.portfolio-grid .reveal:nth-child(1) {
  transition-delay: 0s;
}
.portfolio-grid .reveal:nth-child(2) {
  transition-delay: 0.12s;
}
.portfolio-grid .reveal:nth-child(3) {
  transition-delay: 0.06s;
}
.portfolio-grid .reveal:nth-child(4) {
  transition-delay: 0.18s;
}

/* === HERO KEYFRAMES === */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* === RESPONSIVE === */
@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}
@media (max-width: 680px) {
  .section {
    padding: 80px 0;
  }
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .stats {
    flex-wrap: wrap;
    gap: 28px;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-nav {
    justify-content: center;
  }
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  .contact-form {
    padding: 28px 22px;
  }
  .code-card {
    transform: none;
  }
}