/* ══════════════════════════════════════════════════
   Lunaris Core — style.css
   Dark space theme · Syne + Figtree typography
   ══════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg:            #04080f;
  --bg-2:          #070d1a;
  --bg-card:       rgba(10, 16, 30, 0.7);
  --blue:          #3b9eff;
  --blue-dim:      rgba(59, 158, 255, 0.18);
  --blue-glow:     rgba(59, 158, 255, 0.35);
  --violet:        #8b5cf6;
  --violet-dim:    rgba(139, 92, 246, 0.18);
  --cyan:          #22d3ee;
  --text:          #e0e8f5;
  --text-muted:    #6a7d96;
  --border:        rgba(59, 158, 255, 0.12);
  --border-hover:  rgba(59, 158, 255, 0.4);
  --radius:        12px;
  --radius-lg:     20px;
  --nav-h:         68px;
  --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;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Figtree', sans-serif;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.75;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: 'Syne', sans-serif; line-height: 1.1; }

.section-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 3rem;
}

/* ── Layout ── */
.site-wrapper {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}

.section {
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.section--alt {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  background: rgba(4, 8, 15, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 0 40px rgba(59, 158, 255, 0.08);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  transition: color var(--transition);
}

.nav-logo:hover { color: var(--blue); }

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border-hover);
  border-radius: 6px;
  color: var(--blue) !important;
  transition: background var(--transition), border-color var(--transition) !important;
}

.nav-cta:hover {
  background: var(--blue-dim) !important;
}

.nav-cta::after { display: none; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(59, 158, 255, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 6px 28px rgba(59, 158, 255, 0.45);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-hover);
}

.btn--ghost:hover {
  background: var(--blue-dim);
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
}

.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.78rem; }
.btn--full { width: 100%; justify-content: center; margin-top: auto; }
.btn--submit { min-width: 180px; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#starCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* Atmospheric orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.45;
}

.orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,158,255,0.3), transparent 70%);
  top: -10%; right: -15%;
  animation: orbFloat 12s ease-in-out infinite;
}

.orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.4), transparent 70%);
  bottom: 5%; left: -10%;
  animation: orbFloat 16s ease-in-out infinite reverse;
}

.orb--3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(34,211,238,0.25), transparent 70%);
  top: 50%; left: 40%;
  animation: orbFloat 10s ease-in-out infinite 3s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(2%, 3%) scale(1.04); }
  66%       { transform: translate(-2%, -2%) scale(0.97); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: var(--nav-h);
  padding-bottom: 4rem;
}

.hero-eyebrow {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(4.5rem, 12vw, 9rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
}

.title-line { display: block; color: var(--text); }

.accent-line {
  background: linear-gradient(135deg, var(--blue) 20%, var(--violet) 60%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px rgba(59,158,255,0.4));
}

.hero-sub {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  max-width: 560px;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1;   transform: translateX(-50%) translateY(6px); }
}

/* ── Fade-up animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.9;
}

.about-text p:last-child { margin-bottom: 0; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.skill-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  transition: all var(--transition);
  cursor: default;
}

.skill-badge:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--blue-dim);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(59,158,255,0.15);
}

.skill-icon {
  font-size: 1.2rem;
  display: block;
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(59,158,255,0.1), 0 0 0 1px rgba(59,158,255,0.08);
}

.service-icon { font-size: 1.8rem; }

.service-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.service-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.btn-learn {
  align-self: flex-start;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--blue);
  transition: color var(--transition), letter-spacing var(--transition);
  padding: 0;
}

.btn-learn:hover { color: var(--cyan); letter-spacing: 0.1em; }

.service-details {
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
  animation: expandIn 0.25s ease;
}

.service-details ul { display: flex; flex-direction: column; gap: 0.4rem; }
.service-details li { padding-left: 0.75rem; position: relative; }
.service-details li::before {
  content: '—';
  position: absolute; left: 0;
  color: var(--blue);
}

@keyframes expandIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(59,158,255,0.12);
}

.project-img {
  height: 180px;
  background: var(--img-color, #111827);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Subtle grid pattern on project image */
.project-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(59,158,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,158,255,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.project-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 60%, transparent 30%, rgba(4,8,15,0.6) 100%);
}

.project-img-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(59,158,255,0.1);
  border: 1px solid rgba(59,158,255,0.3);
  border-radius: 4px;
  padding: 0.25rem 0.7rem;
  position: relative;
  z-index: 1;
}

.project-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tags span {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: var(--violet-dim);
  color: var(--violet);
  border: 1px solid rgba(139,92,246,0.2);
}

.project-actions {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.25rem;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4, 8, 15, 0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.2s ease;
}

.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 560px;
  width: 100%;
  position: relative;
  animation: slideUp 0.25s ease;
  box-shadow: 0 24px 80px rgba(59,158,255,0.15);
}

.modal-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--blue-dim);
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--blue);
  color: #fff;
}

.modal-body h3 {
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.modal-meta {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--blue);
  margin-bottom: 1.5rem;
}

.modal-details {
  display: grid;
  gap: 1rem;
}

.modal-details dt {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.modal-details dd {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.7;
}

.modal-link {
  color: var(--blue);
  font-weight: 600;
  transition: color var(--transition);
}
.modal-link:hover { color: var(--cyan); }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.pricing-card--featured {
  border-color: rgba(59,158,255,0.4);
  background: linear-gradient(160deg, rgba(59,158,255,0.06), rgba(139,92,246,0.06));
  box-shadow: 0 0 0 1px rgba(59,158,255,0.15), 0 16px 48px rgba(59,158,255,0.1);
}

.pricing-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: #fff;
  padding: 0.2rem 0.9rem;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-tier {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.85rem;
  flex: 1;
}

.pricing-features li {
  color: var(--text-muted);
  padding-left: 0.25rem;
}

.pricing-features li:nth-child(-n+5) { color: var(--text); }

/* ── Why Choose ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.why-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.why-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(59,158,255,0.08);
}

.why-icon { font-size: 1.8rem; margin-bottom: 0.75rem; }

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.why-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── FAQ ── */
.faq-wrapper { max-width: 740px; }

.faq-list { margin-top: 3rem; display: flex; flex-direction: column; gap: 0.75rem; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:has(.faq-q[aria-expanded="true"]) {
  border-color: var(--border-hover);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
}

.faq-q:hover { color: var(--blue); }

.faq-arrow {
  flex-shrink: 0;
  color: var(--blue);
  transition: transform var(--transition);
  font-size: 0.85rem;
}

.faq-q[aria-expanded="true"] .faq-arrow {
  transform: rotate(180deg);
}

.faq-a {
  padding: 0 1.5rem 1.25rem;
  animation: expandIn 0.2s ease;
}

.faq-a p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── Contact ── */
.contact-wrapper { max-width: 740px; }

.form-status {
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-status.success {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: #4ade80;
}

.form-status.error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
}

.contact-form { margin-top: 2.5rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-group label span { color: var(--blue); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Figtree', sans-serif;
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236a7d96' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}

.form-group select option { background: #07101f; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,158,255,0.12);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #ef4444;
}

.field-error {
  font-size: 0.75rem;
  color: #f87171;
  min-height: 1em;
}

.form-group textarea { resize: vertical; min-height: 140px; }

/* Honeypot — hidden from humans, visible to bots */
.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
  tab-size: 0;
  height: 0;
}

.btn-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ── Footer ── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.footer-brand .nav-logo { margin-bottom: 1rem; }

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 0.75rem;
}

.footer-email a {
  color: var(--blue);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}

.footer-email a:hover { color: var(--cyan); }

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.5rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

/* ── Accessibility ── */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(59,158,255,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(59,158,255,0.5); }

/* ── Responsive — Tablet ── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: repeat(4, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}

/* ── Responsive — Mobile ── */
@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(4, 8, 15, 0.98);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem clamp(1.25rem, 5vw, 3rem);
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    backdrop-filter: blur(16px);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links a { display: block; padding: 0.9rem 0; color: var(--text); }
  .nav-links a::after { display: none; }
  .nav-cta { border: none; padding-left: 0; }

  .nav-toggle { display: flex; }

  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  .form-row { grid-template-columns: 1fr; }

  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }

  .modal { padding: 1.75rem; }
}