/* =========================================================
   LAYOUT
   ========================================================= */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-10);
}

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--dark-bg);
  z-index: 1000;
  transition: background var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease);
}

.nav.scrolled {
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(148,163,184,0.08),
              0 8px 32px rgba(2,6,23,0.30);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-10);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
  transition: opacity var(--t-fast);
}

.nav-logo:hover { opacity: 0.85; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: var(--space-4);
  flex: 1;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: rgba(226,232,240,0.75);
  padding: 7px 12px;
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(148,163,184,0.14);
}

.nav-has-drop { position: relative; }

.nav-drop-trigger {
  background: none;
  border: none;
  cursor: pointer;
}

.nav-chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--t-fast) var(--ease);
}

.nav-has-drop:hover .nav-chevron,
.nav-has-drop.open .nav-chevron {
  transform: rotate(180deg);
}

.nav-drop {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  width: 280px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-2);
  box-shadow: 0 16px 48px rgba(77,154,232,0.16), 0 4px 16px rgba(0,0,0,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: opacity var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              visibility var(--t-fast);
  z-index: 200;
}

.nav-has-drop:hover .nav-drop,
.nav-has-drop.open .nav-drop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-drop::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: var(--white);
  border-left: 1px solid var(--border);
  border-top: 1px solid var(--border);
  transform: translateX(-50%) rotate(45deg);
}

.drop-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: 10px 12px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--t-fast);
}

.drop-item:hover { background: var(--blue-pale); }

.drop-icon {
  width: 30px;
  height: 30px;
  background: var(--blue-pale);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 1px;
}

.drop-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}

.drop-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--r-md);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(14,165,233,0.25);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(14,165,233,0.35);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(226,232,240,0.90);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--space-5) var(--space-5);
  background: var(--dark-bg);
  border-top: 1px solid rgba(148,163,184,0.10);
  gap: var(--space-1);
}

.nav-mobile.open {
  display: flex;
}

.mob-link {
  display: block;
  padding: 12px 4px;
  color: rgba(226,232,240,0.85);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(148,163,184,0.08);
}

.mob-cta {
  display: block;
  margin-top: var(--space-3);
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 13px 20px;
  border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--dark-bg);
  padding: calc(var(--nav-h) + var(--space-20)) 0 var(--space-20);
  overflow: hidden;
  position: relative;
}

/* Floating gradient orbs */
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  width: 500px;
  height: 500px;
  background: var(--blue);
  top: -100px;
  right: -80px;
}

.hero::after {
  width: 400px;
  height: 400px;
  background: var(--purple);
  bottom: -120px;
  left: -60px;
  opacity: 0.15;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-10);
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-light);
  background: rgba(14,165,233,0.10);
  border: 1px solid rgba(14,165,233,0.18);
  border-radius: var(--r-full);
  padding: 6px 14px;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse-dot 2s infinite;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: #fff;
  margin: var(--space-5) 0 var(--space-5);
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--purple-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--dark-muted);
  line-height: 1.70;
  max-width: 480px;
  margin-bottom: var(--space-8);
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img {
  width: 100%;
  max-width: 520px;
  border-radius: var(--r-xl);
  box-shadow: 0 24px 80px rgba(2,6,23,0.45);
  position: relative;
  z-index: 2;
}

.hero-panel {
  position: absolute;
  background: rgba(15,23,42,0.85);
  border: 1px solid var(--dark-border);
  border-radius: var(--r-md);
  padding: var(--space-4);
  box-shadow: 0 8px 32px rgba(2,6,23,0.30);
  z-index: 3;
  backdrop-filter: blur(12px);
}

/* ---------- Sections ---------- */
.section-padding {
  padding: var(--space-24) 0;
}

.section-padding-sm {
  padding: var(--space-20) 0;
}

.section-heading {
  font-family: var(--font-sans);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: var(--space-4);
}

.section-subheading {
  font-family: var(--font-sans);
  font-size: 17px;
  color: var(--ink-muted);
  line-height: 1.65;
  max-width: 580px;
}

/* ---------- Services Strip ---------- */
.services-strip {
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
  background: var(--dark-bg);
  padding: var(--space-5) 0;
  overflow: hidden;
  position: relative;
}

.services-strip::before,
.services-strip::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.services-strip::before {
  left: 0;
  background: linear-gradient(to right, var(--dark-bg), transparent);
}

.services-strip::after {
  right: 0;
  background: linear-gradient(to left, var(--dark-bg), transparent);
}

/* ---------- Grid layouts ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.four-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-10);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--ink-mid);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  display: block;
  margin-bottom: var(--space-3);
}

.footer-tagline {
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  line-height: 1.65;
  max-width: 220px;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.90);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-link {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255,255,255,0.60);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color var(--t-fast);
}

.footer-link:hover {
  color: #fff;
}

.footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: var(--space-2) 0 var(--space-6);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-copy,
.footer-email {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
}

.footer-email:hover {
  color: #fff;
}

/* ---------- Service Detail ---------- */
.service-detail-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.service-detail-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.service-detail-item:nth-child(even) {
  direction: rtl;
}

.service-detail-item:nth-child(even) > * {
  direction: ltr;
}

.service-detail-number {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 400;
  color: var(--blue-border);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.service-detail-name {
  font-family: var(--font-sans);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.service-detail-desc {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.service-detail-list-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-detail-list-items li {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: var(--space-5);
  position: relative;
}

.service-detail-list-items li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
}

.service-detail-visual {
  position: relative;
}

.service-detail-visual-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
  display: block;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--blue);
  position: relative;
  overflow: hidden;
  padding: var(--space-24) var(--space-8);
  text-align: center;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta-heading {
  font-family: var(--font-sans);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
}

.cta-subtext {
  font-family: var(--font-sans);
  font-size: 17px;
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--space-8);
}

.cta-button {
  display: flex;
  justify-content: center;
}