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

:root {
  --bg: #0a0a0f;
  --bg-2: #0f0f1a;
  --bg-3: #141428;
  --surface: #12121e;
  --border: rgba(255, 255, 255, 0.07);
  --border-2: rgba(255, 255, 255, 0.12);

  --text: #e8e8f0;
  --text-muted: #7878a0;
  --text-dim: #4a4a6a;

  --accent: #6c63ff;
  --accent-2: #8b5cf6;
  --accent-3: #a78bfa;
  --accent-glow: rgba(108, 99, 255, 0.35);

  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 68px;
  --section-py: 100px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===========================
   LAYOUT
   =========================== */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-py) 0; }

/* ===========================
   TYPOGRAPHY UTILITIES
   =========================== */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-3) 0%, var(--accent) 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-3);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-desc { margin: 0 auto; }

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}
.btn--sm { padding: 8px 16px; font-size: 14px; min-height: 36px; }
.btn--lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius); }
.btn--full { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border-2);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

/* ===========================
   NAV  (devvylab scroll pattern)
   =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.nav.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
  padding: 10px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  flex-shrink: 0;
  margin-right: auto;
}
.logo span { color: var(--accent-3); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  display: flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta { margin-left: 8px; }

/* Hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin: -8px -8px -8px 0;
  min-width: 44px;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}
.nav-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   MOBILE MENU  (devvylab fullscreen overlay)
   =========================== */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu a {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  display: block;
  padding: 14px 32px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.mobile-menu a:hover { color: var(--accent-3); }
.mobile-menu .btn-primary {
  font-size: 1rem;
  margin-top: 12px;
}

.mobile-menu__close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  -webkit-tap-highlight-color: transparent;
}
.mobile-menu__close span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  position: absolute;
}
.mobile-menu__close span:nth-child(1) { transform: rotate(45deg); }
.mobile-menu__close span:nth-child(2) { transform: rotate(-45deg); }

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  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: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,0.18), transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-50%);
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(56,189,248,0.12), transparent 70%);
  bottom: 0; right: 10%;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 60px 24px 100px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-3);
  border: 1px solid rgba(108,99,255,0.3);
  background: rgba(108,99,255,0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.hero-tags span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.02);
}

/* Scroll indicator — devvylab mouse pattern */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll-hint span {
  display: block;
  width: 22px;
  height: 36px;
  border: 2px solid rgba(167,139,250,0.3);
  border-radius: 20px;
  position: relative;
}
.hero-scroll-hint span::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-3);
  animation: scrollBob 2s ease-in-out infinite;
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80% { transform: translateX(-50%) translateY(13px); opacity: 0; }
}

/* ===========================
   SERVICES
   =========================== */
.services {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.05), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.service-card:hover {
  border-color: rgba(108,99,255,0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-3);
  position: relative;
  z-index: 1;
}
.service-icon svg { width: 22px; height: 22px; }

.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.service-list li {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  padding-left: 16px;
  position: relative;
}
.service-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===========================
   ABOUT
   =========================== */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text .section-title { margin-bottom: 20px; }
.about-text p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 16px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.code-window {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
}
.code-title-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.dot.red    { background: var(--red);    opacity: 0.8; }
.dot.yellow { background: var(--yellow); opacity: 0.8; }
.dot.green  { background: var(--green);  opacity: 0.8; }
.code-filename {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-left: 8px;
}
.code-block {
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.c-keyword    { color: #c792ea; }
.c-var        { color: #82aaff; }
.c-prop       { color: #f07178; }
.c-string     { color: #c3e88d; }
.c-punctuation{ color: #89ddff; }

/* ===========================
   VALUES
   =========================== */
.values {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: border-color var(--transition), transform var(--transition);
}
.value-card:hover { border-color: var(--border-2); transform: translateY(-2px); }

.value-num {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent-3);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  opacity: 0.7;
}
.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.value-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===========================
   CONTACT
   =========================== */
.contact-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 24px;
  padding: 72px;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.4);
}
.contact-glow {
  position: absolute;
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(108,99,255,0.12), transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.contact-content { position: relative; z-index: 1; }
.contact-content h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.contact-desc {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 520px;
  line-height: 1.7;
}

.contact-form { max-width: 680px; display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea {
  background: var(--bg-3);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 15px;
  font-size: 16px; /* prevents iOS zoom */
  font-family: var(--font);
  color: var(--text);
  outline: none;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(108,99,255,0.05);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand .logo { font-size: 18px; display: block; margin-bottom: 4px; }
.footer-brand p { font-size: 13px; color: var(--text-dim); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-muted); }
.footer-copy { font-size: 13px; color: var(--text-dim); }

/* ===========================
   SCROLL ANIMATIONS  (devvylab fade-up pattern)
   =========================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   RESPONSIVE — TABLET (≤1024px)
   =========================== */
@media (max-width: 1024px) {
  :root { --section-py: 80px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-card { padding: 52px 48px; }
}

/* ===========================
   RESPONSIVE — MOBILE (≤768px)  (devvylab pattern)
   =========================== */
@media (max-width: 768px) {
  :root { --section-py: 72px; }

  /* Nav */
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-burger { display: flex; }
  .mobile-menu { display: flex; }

  /* Hero */
  .hero-content { padding: 48px 24px 88px; }

  /* Grids */
  .services-grid { grid-template-columns: 1fr; }
  .values-grid   { grid-template-columns: 1fr; }

  /* Contact */
  .contact-card { padding: 40px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-desc { margin-bottom: 32px; }

  /* Footer */
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }

  /* Section headers */
  .section-header { margin-bottom: 48px; }
}

/* ===========================
   RESPONSIVE — SMALL (≤480px)  (devvylab pattern)
   =========================== */
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .contact-card { padding: 32px 20px; }
  .about-stats { gap: 24px; }
  .footer-links { gap: 12px 20px; }
}