*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #06060A;
  --sf: #0D0D14;
  --sf2: #111119;
  --bd: #1C1C28;
  --bd2: #272738;
  --t1: #E0DFF0;
  --t2: #5E5C78;
  --t3: #2E2D46;
  --ac: #FF5500;
  --ac-lo: rgba(255, 85, 0, 0.07);
  --vi: #9B7CF8;
  --gr: #4ADE80;
  --am: #F59E0B;
  --cy: #67E8F9;
}

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

body {
  background: var(--bg);
  color: var(--t1);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  min-height: 100vh;
}

::selection { background: rgba(255, 85, 0, 0.18); color: #fff; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bd2); border-radius: 2px; }

/* ── header ── */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--bd);
  background: rgba(6, 6, 10, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--ac);
  letter-spacing: 0.02em;
  text-decoration: none;
}

nav { display: flex; gap: 24px; align-items: center; }

nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--t2);
  text-decoration: none;
  transition: color 0.15s;
}

nav a:hover { color: var(--t1); }
nav a.cta { color: var(--ac); }
nav a.cta:hover { color: #ff7733; }

/* ── layout ── */

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ── hero ── */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 100px 0 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ac-lo);
  border: 1px solid rgba(255, 85, 0, 0.22);
  padding: 5px 12px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--ac);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ac);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.75); }
}

h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--t1);
  margin-bottom: 20px;
}

h1 em {
  font-style: normal;
  background: linear-gradient(130deg, var(--ac) 0%, #FF9A00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 14px;
  color: var(--t2);
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 36px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ac);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 13px 26px;
  border-radius: 6px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-cta:hover { background: #ff6a1a; transform: translateY(-1px); }

/* ── code window ── */

.code-window {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--bd);
  background: var(--sf2);
}

.tl { width: 10px; height: 10px; border-radius: 50%; }
.tl-r { background: #FF5F57; }
.tl-y { background: #FEBC2E; }
.tl-g { background: #28C840; }

.code-fname {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--t2);
  margin-left: 6px;
}

.code-body {
  padding: 18px 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.9;
  overflow: hidden;
}

/* each line starts invisible and slides up into place */
.cl {
  white-space: pre;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.14s ease, transform 0.14s ease;
}

.cl.visible {
  opacity: 1;
  transform: translateY(0);
}

.ln { color: var(--t3); user-select: none; display: inline-block; width: 20px; text-align: right; margin-right: 18px; }
.kw { color: var(--vi); }
.fn { color: var(--am); }
.st { color: var(--cy); }
.cm { color: #374937; font-style: italic; }
.cm.ok { color: var(--gr); font-style: normal; }
.ty { color: #c084fc; }
.nm { color: #fb923c; }

/* ── section layout ── */

section { padding: 80px 0; }

.sec-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.sec-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--ac);
  font-weight: 500;
  white-space: nowrap;
}

.sec-rule { flex: 1; border: none; border-top: 1px solid var(--bd); }

.sec-desc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--t3);
  font-weight: 500;
  white-space: nowrap;
}

/* ── resources ── */

.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.res-card {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  display: block;
  position: relative;
  transition: border-color 0.15s;
}

.res-card::after {
  content: '↗';
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 14px;
  color: var(--t3);
  transition: color 0.15s, transform 0.15s;
  line-height: 1;
}

.res-card:hover { border-color: rgba(255, 85, 0, 0.3); }
.res-card:hover::after { color: var(--ac); transform: translate(1px, -1px); }

.res-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 8px;
  display: block;
}

.res-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 7px;
  transition: color 0.15s;
  padding-right: 24px;
}

.res-card:hover h3 { color: var(--ac); }
.res-card p { font-size: 12px; color: var(--t2); line-height: 1.6; }

/* ── skills ── */

.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.skill-card {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 26px;
}

.skill-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-card h4::before {
  content: '';
  width: 3px;
  height: 15px;
  background: var(--ac);
  border-radius: 2px;
  flex-shrink: 0;
}

.skill-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.skill-list li {
  font-size: 12.5px;
  color: var(--t2);
  padding-left: 16px;
  position: relative;
  line-height: 1.55;
}

.skill-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--t3);
  font-size: 10px;
  top: 3px;
}

.pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--t1);
  background: var(--sf2);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--bd2);
  white-space: nowrap;
}

/* ── contact ── */

.section-contact { padding-bottom: 100px; }

.contact-card {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 44px;
}

.contact-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--bd);
}

.contact-top h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--t1);
  margin-bottom: 7px;
  letter-spacing: -0.025em;
}

.contact-top p { font-size: 13px; color: var(--t2); }

.rover-badge {
  background: rgba(88, 101, 242, 0.05);
  border: 1px solid rgba(88, 101, 242, 0.18);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.rover-badge svg { opacity: 0.55; flex-shrink: 0; }

.rover-info h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: #818CF8;
  letter-spacing: 0.04em;
}

.rover-info p { font-size: 10.5px; color: var(--t3); margin-top: 3px; }

.rover-btn {
  padding: 8px 15px;
  background: rgba(88, 101, 242, 0.07);
  color: rgba(129, 140, 248, 0.45);
  border: 1px solid rgba(88, 101, 242, 0.18);
  border-radius: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  cursor: not-allowed;
  opacity: 0.6;
  white-space: nowrap;
}

/* ── form ── */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }

label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--t2);
}

label .req { color: var(--ac); }

input[type=text],
input[type=email],
select,
textarea {
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--t1);
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

input::placeholder,
textarea::placeholder { color: var(--t3); }

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(255, 85, 0, 0.45);
  box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.07);
}

select {
  -webkit-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='%235E5C78' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

select option { background: #111; }
textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

.form-actions { display: flex; align-items: center; gap: 20px; margin-top: 8px; }

.btn-submit {
  background: var(--ac);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 30px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-submit:hover { background: #ff6a1a; }
.btn-submit:active { transform: scale(0.98); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-note { font-size: 11.5px; color: var(--t3); }

/* ── success state ── */

.success-state { display: none; text-align: center; padding: 56px 24px; }

.success-check {
  width: 52px;
  height: 52px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
}

.success-state h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--t1);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.success-state p { font-size: 13px; color: var(--t2); }

/* ── spinner ── */

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

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── footer ── */

footer {
  border-top: 1px solid var(--bd);
  padding: 28px 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-inner p { font-size: 11.5px; color: var(--t3); }
.footer-inner span { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--t3); }

/* ── responsive ── */

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 72px 0 60px; gap: 44px; }
  .res-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 18px; }
  .nav-inner { padding: 0 18px; }
  h1 { font-size: 26px; }
  .hero { padding: 56px 0 48px; gap: 36px; }
  .res-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-top { flex-direction: column; }
  .contact-card { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .form-actions { flex-direction: column; align-items: flex-start; }
}