/* ─── VARIABLES ─── */
:root {
  color-scheme: dark;

  --bg: #050714;
  --bg-elevated: #0b0f22;
  --bg-elevated-2: #111736;
  --surface: rgba(17, 23, 54, 0.72);
  --surface-solid: #111736;
  --surface-hover: rgba(37, 46, 94, 0.55);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.24);
  --text: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --accent: #22d3ee;
  --accent-secondary: #a855f7;
  --accent-tertiary: #f43f5e;
  --accent-glow: rgba(34, 211, 238, 0.22);
  --accent-glow-strong: rgba(34, 211, 238, 0.35);
  --emerald: #4ade80;
  --gradient-text: linear-gradient(135deg, #22d3ee 0%, #a855f7 50%, #f43f5e 100%);
  --grid-color: rgba(255, 255, 255, 0.04);
  --orb-1: rgba(168, 85, 247, 0.35);
  --orb-2: rgba(34, 211, 238, 0.3);
  --orb-3: rgba(244, 63, 94, 0.25);
  --focus: #38bdf8;
  --focus-ring: 0 0 0 3px rgba(56, 189, 248, 0.35);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --radius-sm: 12px;
  --transition-fast: 160ms ease;
  --transition-base: 260ms ease;
}

[data-theme="light"] {
  color-scheme: light;

  --bg: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-elevated-2: #f1f5f9;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --surface-hover: rgba(241, 245, 249, 0.9);
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.18);
  --text: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --accent: #0891b2;
  --accent-secondary: #7c3aed;
  --accent-tertiary: #e11d48;
  --accent-glow: rgba(8, 145, 178, 0.14);
  --accent-glow-strong: rgba(8, 145, 178, 0.28);
  --emerald: #16a34a;
  --gradient-text: linear-gradient(135deg, #0891b2 0%, #7c3aed 50%, #e11d48 100%);
  --grid-color: rgba(15, 23, 42, 0.05);
  --orb-1: rgba(124, 58, 237, 0.14);
  --orb-2: rgba(8, 145, 178, 0.12);
  --orb-3: rgba(225, 29, 72, 0.1);
  --focus: #0284c7;
  --focus-ring: 0 0 0 3px rgba(2, 132, 199, 0.25);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.12);
}

/* ─── BASE ─── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, p {
  margin: 0;
}

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

img {
  max-width: 100%;
  height: auto;
}

.mono { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; }

/* ─── SKIP LINK ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ─── FOCUS STATES ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ─── NAVBAR ─── */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1rem 0;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.nav-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--gradient-text);
  color: #fff;
  font-size: 1rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text em {
  font-style: normal;
  font-size: 0.62rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.theme-toggle svg {
  position: absolute;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.theme-toggle .icon-sun {
  opacity: 0;
  transform: scale(0.7) rotate(-45deg);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: scale(0.7) rotate(45deg);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  place-items: center;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 20px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gradient-text);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.nav-cta {
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--surface);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 8rem 0 5rem;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, var(--bg-elevated-2) 0%, var(--bg) 60%);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, black 20%, transparent 70%);
  pointer-events: none;
}

.aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 12s ease-in-out infinite;
}

.orb-1 {
  width: 520px;
  height: 520px;
  background: var(--orb-1);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 420px;
  height: 420px;
  background: var(--orb-2);
  top: 20%;
  right: -12%;
  animation-delay: -4s;
}

.orb-3 {
  width: 360px;
  height: 360px;
  background: var(--orb-3);
  bottom: 5%;
  left: 30%;
  animation-delay: -8s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-inner {
  position: relative;
  width: min(1200px, 92%);
  margin: 0 auto;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.2rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(74,222,128,0.6); }
  100% { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 6.2vw, 5.4rem);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 1.4rem;
}

.grad-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 500;
}

.hero-subtitle {
  display: block;
  font-size: 0.4em;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-top: 14px;
  -webkit-text-fill-color: var(--text-secondary);
}

.hero-sub {
  max-width: 620px;
  margin-bottom: 2.2rem;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--accent);
}

.btn-full { width: 100%; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  max-width: 900px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.stat {
  padding: 1.5rem 1.25rem;
  background: var(--surface);
  border: none;
  backdrop-filter: blur(10px);
  transition: background-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

.stat strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ─── SECTIONS ─── */
.section {
  padding: 6.5rem 0;
}

.section-head {
  width: min(1100px, 92%);
  margin: 0 auto 3.5rem;
  text-align: left;
}

.section-label {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-head h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.9rem;
}

.section-head p {
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 1.08rem;
}

/* ─── SERVICES ─── */
.services {
  background: var(--bg);
}

.service-grid {
  width: min(1100px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-base), box-shadow var(--transition-fast);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(139,92,246,0.1) 0%, rgba(6,182,212,0.1) 50%, rgba(236,72,153,0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
  pointer-events: none;
}

.service-card:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated-2);
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.service-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
}

.service-card li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  padding-left: 16px;
  position: relative;
}

.service-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-secondary);
}

/* ─── TECH STACK ─── */
.tech {
  background: var(--bg-elevated);
}

.tech-columns {
  width: min(1100px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.tech-group {
  padding: 1.75rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-fast);
}

.tech-group:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.tech-group-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated-2);
  color: var(--accent);
  margin-bottom: 1rem;
}

.tech-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.tech-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.tech-item::before {
  content: '';
  width: 5px;
  height: 5px;
  min-width: 5px;
  background: var(--accent-secondary);
  border-radius: 50%;
}

/* ─── PROCESS ─── */
.process {
  background: var(--bg);
}

.process-list {
  width: min(900px, 92%);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.process-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.1rem;
  background: var(--bg-elevated-2);
  color: var(--accent);
  border: 1px solid var(--border-strong);
  flex-shrink: 0;
}

.step-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.step-meta h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
}

.step-weeks {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-secondary);
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--bg-elevated-2);
  white-space: nowrap;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* ─── TEAM ─── */
.team {
  background: var(--bg-elevated);
}

.team-grid {
  width: min(1100px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.team-card {
  padding: 1.6rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: left;
  transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 1.2rem;
  background: var(--gradient-text);
}

.avatar-2 { background: linear-gradient(135deg, #06b6d4, #8b5cf6); }
.avatar-3 { background: linear-gradient(135deg, #ec4899, #f59e0b); }

.team-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.role {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.bio {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ─── CONTACT ─── */
.contact {
  padding: 6.5rem 0;
  background: var(--bg);
}

.contact-card {
  width: min(1100px, 92%);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 64px);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.18), transparent 60%);
  pointer-events: none;
}

.contact-info { position: relative; }

.contact-info h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.65;
}

.contact-address {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-style: normal;
}

.contact-address a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
  width: fit-content;
}

.contact-address a:hover {
  text-decoration: underline;
}

.contact-address span {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  position: relative;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.field-full { grid-column: 1 / -1; }

.field span {
  font-weight: 500;
  margin-left: 0.1rem;
}

.field input,
.field select,
.field textarea {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: background-color var(--transition-base), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

[data-theme="light"] .field input,
[data-theme="light"] .field select,
[data-theme="light"] .field textarea {
  background: rgba(15, 23, 42, 0.04);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-tertiary);
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--accent);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
  background: rgba(0,0,0,0.4);
}

[data-theme="light"] .field input:focus,
[data-theme="light"] .field select:focus,
[data-theme="light"] .field textarea:focus {
  background: rgba(15, 23, 42, 0.06);
}

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

.form-note {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: center;
  margin: 0;
}

/* ─── FOOTER ─── */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-inner {
  width: min(1100px, 92%);
  margin: 0 auto 2.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand .brand-mark {
  flex-shrink: 0;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer-col h5 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.footer-col li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: default;
  transition: color var(--transition-fast);
}

.footer-col li:hover {
  color: var(--text);
}

.footer-bottom {
  width: min(1100px, 92%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

/* ─── REVEAL ANIMATIONS ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .service-grid,
  .tech-columns {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .navbar {
    padding: 0.85rem 0;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 4%;
    width: min(360px, 92%);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: var(--surface-solid);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .nav-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-links {
    flex-direction: column;
    gap: 0.25rem;
  }

  .nav-links a {
    display: block;
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
  }

  .nav-links a:hover {
    background: var(--surface-hover);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    padding: 0.8rem;
  }

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

  .nav-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
  }

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

  .hero {
    padding: 7rem 0 4rem;
    min-height: auto;
  }

  .hero-inner {
    text-align: left;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-card {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4.5rem 0;
  }

  .service-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .tech-columns {
    grid-template-columns: 1fr;
  }

  .process-list li {
    grid-template-columns: 1fr;
    gap: 1rem;
    text-align: center;
  }

  .step-number {
    margin: 0 auto;
  }

  .step-meta {
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat strong {
    font-size: 1.5rem;
  }

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

  .footer-inner,
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    justify-content: center;
  }
}

@media (max-width: 380px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .nav-controls {
    gap: 0.5rem;
  }
}