/* Google Fonts loaded via <link> in HTML with preconnect for better performance */

/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --bg-base:      #060b18;
  --bg-surface:   #0d1528;
  --bg-elevated:  #111e38;
  --border:       rgba(255,255,255,0.07);
  --border-hover: rgba(96,165,250,0.4);
  --accent:       #2563eb;
  --accent-light: #3b82f6;
  --accent-glow:  rgba(59,130,246,0.18);
  --text-primary: #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:   #475569;
  --blue-tint:    #93c5fd;
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    22px;
  --transition:   0.22s cubic-bezier(0.4,0,0.2,1);
  --shadow-glow:  0 0 40px rgba(37,99,235,0.15);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color: #94a3b8;
  background: #060b18;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Reset & Base ───────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-secondary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
img { display: block; max-width: 100%; }

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }

/* ─── Typography ──────────────────────────────────────────── */
h1 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); line-height: 1.08; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1.15; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
h3 { font-size: 1.05rem; font-weight: 600; color: var(--text-primary); }
p  { line-height: 1.7; }

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--blue-tint);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 60ch;
}

.section-head { margin-bottom: 56px; }
.section-head--center { text-align: center; }
.section-head--center .eyebrow { justify-content: center; margin-left: auto; margin-right: auto; }
.section-head--center .lead { margin: 16px auto 0; }

/* ─── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(241,245,249,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.navbar__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar__logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.navbar__logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.navbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--accent);
  background: rgba(37,99,235,0.07);
}

.navbar__cta { flex-shrink: 0; }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition),
              border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 18px rgba(37,99,235,0.3);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 24px rgba(59,130,246,0.4);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.15);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--border-hover);
  background: var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-lg { padding: 14px 28px; font-size: 0.95rem; border-radius: var(--radius-md); }

/* ─── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ─── Grids ──────────────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  padding: 100px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  background: var(--accent-glow);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--blue-tint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22d3ee;
  animation: pulse 2.4s ease-in-out infinite;
}

.hero h1 { margin-bottom: 22px; }

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero__stats {
  display: flex;
  gap: 44px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.hero__stat-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ─── Pillar cards ───────────────────────────────────────── */
.pillar-card { display: flex; flex-direction: column; gap: 14px; }

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* ─── Service cards ──────────────────────────────────────── */
.service-card__icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 22px;
}

.service-card__items {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.service-card__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-card__item::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─── Process ────────────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(12.5% + 4px);
  right: calc(12.5% + 4px);
  height: 1px;
  background: linear-gradient(to right, var(--accent), rgba(59,130,246,0.15));
  z-index: 0;
}

.process-step {
  padding: 0 16px;
  text-align: center;
  position: relative;
}

.process-step__num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue-tint);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 5px var(--bg-base);
}

.process-step h3 { font-size: 0.95rem; margin-bottom: 8px; }
.process-step p { font-size: 0.82rem; color: var(--text-muted); }

/* ─── Case Studies ───────────────────────────────────────── */
.case-card__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--blue-tint);
  letter-spacing: 0.06em;
}

.case-card__row {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.case-card__point { display: grid; gap: 3px; }

.case-card__point-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
}

.case-card__point-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.result-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  color: #86efac;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ─── CTA Section ────────────────────────────────────────── */
.cta-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, #0d1e40 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  padding: 80px 40px;
  margin: 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(37,99,235,0.2) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section h2 { position: relative; margin-bottom: 16px; }
.cta-section .lead { margin: 0 auto 32px; position: relative; }
.cta-section .btn { position: relative; }

/* ─── Form ───────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--accent-light); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394a3b8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.form-textarea { resize: vertical; min-height: 130px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: #fca5a5;
  display: none;
}

.form-error.visible { display: block; }

.form-success {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 48px 40px;
  text-align: center;
  display: none;
}

.form-success.visible { display: block; }

.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(34,197,94,0.12);
  border: 2px solid rgba(34,197,94,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.contact-info { display: flex; flex-direction: column; gap: 32px; }

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}

.contact-info__value {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* ─── About ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}

.values-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 36px;
}

.value-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.value-item__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.value-item h4 { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); margin-bottom: 3px; }
.value-item p  { font-size: 0.84rem; color: var(--text-secondary); line-height: 1.6; }

.team-visual {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 380px;
  position: relative;
  overflow: hidden;
}

.team-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(37,99,235,0.12) 0%, transparent 60%);
}

.team-visual__initials {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  position: relative;
}

.team-visual__sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  position: relative;
}

/* ─── Page Header ────────────────────────────────────────── */
.page-header {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 52px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.65;
  max-width: 28ch;
}

.footer__col-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__link:hover { color: var(--text-primary); }

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── Services page ──────────────────────────────────────── */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

/* ─── Work page ──────────────────────────────────────────── */
.work-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.work-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 48px;
  margin-top: 16px;
  align-items: start;
}

.work-client {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ─── Tech stack ─────────────────────────────────────────── */
.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 32px;
}

/* ─── Animations ─────────────────────────────────────────── */
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up   { animation: fadeUp 0.5s ease both; }
.fade-up-2 { animation: fadeUp 0.5s 0.1s ease both; }
.fade-up-3 { animation: fadeUp 0.5s 0.2s ease both; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .service-detail-grid { grid-template-columns: 1fr; gap: 24px; }
  .work-detail-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-steps::before { display: none; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .navbar__links .navbar__link:not(.active) { display: none; }
  .cta-section { padding: 56px 20px; }
  .process-steps { grid-template-columns: 1fr; }
}