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

/* ── DESIGN TOKENS ── */
:root {
  --cyan:            #1BBDD4;
  --dark:            #080c10;
  --dark-card:       #0e1318;
  --dark-border:     rgba(255, 255, 255, 0.08);
  --white:           #ffffff;
  --text-muted:      rgba(255, 255, 255, 0.55);
  --text-body:       rgba(255, 255, 255, 0.8);
  --text-dark:       #1a1f2e;
  --text-dark-muted: #6b7280;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--white);
  overflow-x: hidden;
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dark-border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
}

.footer-logo-img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
  margin-bottom: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.btn-ghost {
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-ghost:hover { opacity: 0.6; }

/* ══════════════════════════════════════
   LOGIN MODAL
══════════════════════════════════════ */

.login-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
}

.login-modal.is-open {
  display: flex;
}

.login-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}

.login-modal-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalFadeIn 0.22s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(1.015); }
  to   { opacity: 1; transform: scale(1); }
}

.login-modal-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.login-modal-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.login-modal-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8,12,16,0.60) 0%,
    rgba(8,12,16,0.30) 45%,
    rgba(8,12,16,0.72) 100%
  );
}

.login-modal-topbar {
  position: relative;
  z-index: 10;
  height: 56px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--dark-border);
  background: rgba(8,12,16,0.70);
  backdrop-filter: blur(10px);
}

.login-topbar-logo img {
  height: 26px;
  width: auto;
  display: block;
}

.login-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--dark-border);
  background: transparent;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.login-modal-close:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--white);
}

.login-modal-main {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 48px 24px;
}

.lm-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.lm-logo img {
  height: 50px;
  width: auto;
}

.lm-heading {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
}

.lm-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 32px 36px;
  width: 100%;
  max-width: 390px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}

.lm-btn-sso {
  width: 100%;
  padding: 13px 20px;
  background: #f3f4f6;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: #1a1f2e;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.2s;
}

.lm-btn-sso:hover { background: #e9eaec; }

.lm-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}

.lm-divider::before,
.lm-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(0,0,0,0.10);
}

.lm-divider span {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #9ca3af;
}

.lm-field {
  margin-bottom: 16px;
}

.lm-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
  margin-bottom: 6px;
}

.lm-field input {
  width: 100%;
  padding: 11px 14px;
  background: #f9fafb;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  color: #1a1f2e;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lm-field input::placeholder { color: #b0b7c3; }

.lm-field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(27,189,212,0.15);
  background: #fff;
}

.lm-btn-continue {
  width: 100%;
  padding: 13px 20px;
  background: var(--cyan);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.lm-btn-continue:hover {
  background: #17a5ba;
  transform: translateY(-1px);
}

.lm-legal {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  text-align: center;
  max-width: 380px;
}

.lm-legal a {
  color: rgba(255,255,255,0.75);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.lm-legal a:hover { color: var(--white); }

.btn-primary {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--cyan);
  border: none;
  border-radius: 6px;
  padding: 9px 20px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: #17a5ba;
  transform: translateY(-1px);
}

.nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 64px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding-bottom: 100px;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(8, 12, 16, 0.80) 0%,
    rgba(8, 12, 16, 0.40) 60%,
    rgba(8, 12, 16, 0.10) 100%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding-left: 48px;
}

.hero-tag {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}

.hero-headline-accent {
  color: var(--cyan);
  display: block;
  font-size: clamp(32px, 4vw, 64px);
  font-weight: 700;
}

.hero-subtext {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-body);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero-cta-primary {
  padding: 12px 28px;
  font-size: 15px;
}

.hero-cta-ghost {
  font-size: 15px;
}

/* ══════════════════════════════════════
   OVERVIEW SECTION
══════════════════════════════════════ */

.overview {
  background: var(--white);
  padding: 120px 0;
}

.overview-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.overview-text {
  display: grid;
  grid-template-columns: 45fr 55fr;
  gap: 80px;
  align-items: start;
  margin-bottom: 80px;
}

.section-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  flex-shrink: 0;
}

.overview-headline {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.5vw, 30px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-dark);
}

.overview-body {
  font-size: 20px;
  line-height: 1.7;
  color: var(--text-dark-muted);
  margin-bottom: 20px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  border: 1px solid rgba(26,31,46,0.3);
  border-radius: 6px;
  padding: 10px 20px;
  text-decoration: none;
  margin-top: 12px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover {
  border-color: var(--text-dark);
  color: var(--text-dark);
}

.overview-mockups {
  width: 100%;
}

.mockup-frame {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* ══════════════════════════════════════
   HOW IT WORKS
══════════════════════════════════════ */

.how-it-works {
  background: #f5f6f8;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hiw-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.hiw-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
}

.hiw-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-dark);
  margin-top: 12px;
}

.hiw-header-right {
  display: flex;
  gap: 10px;
  padding-bottom: 6px;
}

.hiw-arrow {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(26, 31, 46, 0.2);
  background: transparent;
  font-size: 22px;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.hiw-arrow--active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--white);
}

.hiw-arrow:hover:not(.hiw-arrow--active) {
  background: rgba(26, 31, 46, 0.06);
}

.hiw-track-wrapper {
  padding-left: 48px;
  overflow-x: scroll;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}

.hiw-track-wrapper::-webkit-scrollbar {
  display: none;
}

.hiw-track-wrapper:active {
  cursor: grabbing;
}

.hiw-track {
  display: flex;
  gap: 20px;
}

.hiw-card {
  flex-shrink: 0;
  width: 340px;
  min-height: 340px;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  scroll-snap-align: start;
}

.hiw-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.hiw-card-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dark-muted);
}

.hiw-card-number {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: rgba(26, 31, 46, 0.1);
}

.hiw-card-number--active {
  color: var(--cyan);
}

/* ══════════════════════════════════════
   CORE MODULES
══════════════════════════════════════ */

.core-modules {
  background: var(--dark);
  padding: 120px 0;
}

.cm-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-tag--light {
  color: var(--text-muted);
}

.section-tag--light .tag-dot {
  background: var(--cyan);
}

.cm-header {
  text-align: center;
  margin-bottom: 64px;
}

.cm-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-top: 16px;
}

.cm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cm-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 28px;
}

.cm-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(27, 189, 212, 0.1);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.cm-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.cm-card-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.cm-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  text-decoration: none;
  transition: opacity 0.2s;
}

.cm-link:hover { opacity: 0.7; }

/* ══════════════════════════════════════
   INTELLIGENCE & AUTOMATION
══════════════════════════════════════ */

.intelligence {
  background: var(--white);
  padding: 120px 0;
}

.intel-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.intel-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.intel-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-dark);
  margin: 16px 0 20px;
}

.intel-subtext {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dark-muted);
}

.intel-body {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: center;
}

.intel-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.intel-feature-card {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 24px;
}

.intel-feature-card--dark {
  background: var(--dark);
  border-color: var(--dark-border);
}

.intel-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #f0fafb;
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.intel-feature-icon--light {
  background: rgba(27, 189, 212, 0.15);
}

.intel-feature-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.intel-feature-title--light {
  color: var(--white);
}

.intel-feature-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dark-muted);
}

.intel-feature-desc--light {
  color: var(--text-muted);
}

.intel-images {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 20px;
  align-items: start;
}

.intel-img-card {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.intel-img-card img {
  width: 100%;
  height: auto;
  display: block;
}

.intel-mockup {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

.intel-mockup img {
  width: 100%;
  height: auto;
  display: block;
}

/* ══════════════════════════════════════
   USE CASES
══════════════════════════════════════ */

.use-cases {
  background: var(--white);
  padding: 120px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.uc-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.uc-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}

.uc-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  color: var(--text-dark);
  margin: 16px 0 12px;
}

.uc-subtext {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dark-muted);
}

.uc-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.uc-tab {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid rgba(26, 31, 46, 0.15);
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.uc-tab--active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--white);
}

.uc-tab:hover:not(.uc-tab--active) {
  border-color: var(--text-dark);
  color: var(--text-dark);
}

.uc-panel {
  background: #f5f6f8;
  border-radius: 16px;
  padding: 48px;
}

.uc-panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.uc-role-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.uc-role-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dark-muted);
  margin-bottom: 28px;
}

.uc-image {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.uc-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ══════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════ */

.testimonials {
  background: var(--white);
  padding: 120px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.tst-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.tst-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 64px;
}

.tst-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  color: var(--text-dark);
  margin: 16px 0 12px;
}

.tst-subtext {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dark-muted);
}

.tst-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tst-card {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tst-logo-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dark);
}

.tst-logo-accent {
  color: #e07b2a;
}

.tst-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dark-muted);
  flex: 1;
}

.tst-author {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.tst-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #d1d5db;
  flex-shrink: 0;
}

.tst-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}

/* ══════════════════════════════════════
   CTA BANNER
══════════════════════════════════════ */

.cta-banner {
  position: relative;
  background: var(--dark);
  background-image: url('assets/earth.jpg');
  background-size: cover;
  background-position: center;
  padding: 120px 48px;
  text-align: left;
  overflow: hidden;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,189,212,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}

.cta-accent {
  color: var(--cyan);
}

.cta-subtext {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-body);
  max-width: 480px;
  margin-bottom: 36px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.cta-btn-primary {
  padding: 12px 28px;
  font-size: 15px;
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */

.footer {
  background: var(--dark);
  border-top: 1px solid var(--dark-border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 72px 0 64px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  flex: 0 0 320px;
}

.footer-logo-link {
  display: inline-flex;
  text-decoration: none;
}

.footer-addr {
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-muted);
  margin-bottom: 0;
}

.footer-addr + .footer-addr {
  margin-top: 10px;
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--dark-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.footer-social-btn:hover {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.footer-nav {
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.footer-nav-heading {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 28px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.footer-nav-list a {
  font-size: 13.5px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav-list a:hover {
  color: var(--white);
}

.footer-bar {
  border-top: 1px solid var(--dark-border);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bar-copy {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.footer-bar-links {
  display: flex;
  gap: 32px;
}

.footer-bar-links a {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bar-links a:hover {
  color: var(--white);
}

/* ══════════════════════════════════════
   HAMBURGER / MOBILE MENU
══════════════════════════════════════ */

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 110;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(8, 12, 16, 0.97);
  backdrop-filter: blur(16px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 40px 24px;
}

.mobile-menu.is-open {
  display: flex;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.mobile-nav-links a {
  font-size: 24px;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.mobile-nav-links a:hover { opacity: 1; }

.mobile-nav-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.mobile-nav-actions .btn-primary {
  padding: 12px 32px;
  font-size: 15px;
}

.mobile-nav-actions .btn-ghost {
  font-size: 15px;
}

/* ══════════════════════════════════════
   RESPONSIVE — 1024px
══════════════════════════════════════ */

@media (max-width: 1024px) {
  .navbar { padding: 0 32px; }
  .nav-links { gap: 24px; }
  .hero-content { padding-left: 32px; max-width: 680px; }
  .overview-text { grid-template-columns: 1fr 1fr; gap: 48px; }
  .overview-container { padding: 0 32px; }
  .overview { padding: 80px 0; }
  .hiw-container { padding: 0 32px; }
  .hiw-track-wrapper { padding-left: 32px; }
  .cm-container { padding: 0 32px; }
  .cm-grid { grid-template-columns: repeat(2, 1fr); }
  .intel-container { padding: 0 32px; }
  .intel-body { gap: 40px; }
  .uc-container { padding: 0 32px; }
  .uc-panel-content { gap: 40px; }
  .tst-container { padding: 0 32px; }
  .tst-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { padding: 80px 32px; }
  .footer-inner { padding: 0 32px; }
  .footer-nav { gap: 48px; }
}

/* ══════════════════════════════════════
   RESPONSIVE — 768px
══════════════════════════════════════ */

@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
  .hero { align-items: flex-end; padding-bottom: 64px; }
  .hero-content { padding-left: 20px; padding-right: 20px; max-width: 100%; }
  .hero-subtext { max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 14px; }
  .overview { padding: 64px 0; }
  .overview-container { padding: 0 20px; }
  .overview-text { grid-template-columns: 1fr; gap: 32px; margin-bottom: 48px; }
  .overview-body { font-size: 16px; }
  .how-it-works { padding: 64px 0 48px; }
  .hiw-container { padding: 0 20px; }
  .hiw-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hiw-track-wrapper { padding-left: 20px; }
  .hiw-card { width: 280px; min-height: 280px; }
  .core-modules { padding: 64px 0; }
  .cm-container { padding: 0 20px; }
  .cm-grid { grid-template-columns: 1fr; }
  .intelligence { padding: 64px 0; }
  .intel-container { padding: 0 20px; }
  .intel-body { grid-template-columns: 1fr; gap: 40px; }
  .intel-images { grid-template-columns: 1fr; }
  .intel-header { margin-bottom: 40px; }
  .use-cases { padding: 64px 0; }
  .uc-container { padding: 0 20px; }
  .uc-panel { padding: 28px 20px; }
  .uc-panel-content { grid-template-columns: 1fr; gap: 32px; }
  .uc-image { order: 1; }
  .uc-role-title { font-size: 22px; }
  .testimonials { padding: 64px 0; }
  .tst-container { padding: 0 20px; }
  .tst-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 64px 20px; }
  .cta-actions { flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer-inner { padding: 0 20px; }
  .footer-top { flex-direction: column; gap: 48px; padding: 48px 0 40px; }
  .footer-brand { flex: none; width: 100%; }
  .footer-nav { gap: 40px; flex-wrap: wrap; }
  .footer-bar { flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px 0; }
  .footer-bar-links { gap: 20px; flex-wrap: wrap; }
  .login-modal-topbar { padding: 0 20px; }
  .login-modal-main { padding: 32px 16px; gap: 16px; }
}

/* ══════════════════════════════════════
   RESPONSIVE — 480px
══════════════════════════════════════ */

@media (max-width: 480px) {
  .navbar { height: 56px; }
  .mobile-menu { top: 56px; }
  .hero { padding-top: 56px; padding-bottom: 48px; }
  .hero-content { padding-left: 16px; padding-right: 16px; }
  .overview { padding: 48px 0; }
  .overview-container { padding: 0 16px; }
  .how-it-works { padding: 48px 0 36px; }
  .hiw-container { padding: 0 16px; }
  .hiw-track-wrapper { padding-left: 16px; }
  .hiw-card { width: 260px; min-height: 260px; padding: 24px; }
  .hiw-card-number { font-size: 56px; }
  .core-modules { padding: 48px 0; }
  .cm-container { padding: 0 16px; }
  .intelligence { padding: 48px 0; }
  .intel-container { padding: 0 16px; }
  .use-cases { padding: 48px 0; }
  .uc-container { padding: 0 16px; }
  .uc-panel { padding: 20px 16px; border-radius: 12px; }
  .uc-tab { padding: 8px 14px; font-size: 13px; }
  .uc-role-title { font-size: 20px; }
  .testimonials { padding: 48px 0; }
  .tst-container { padding: 0 16px; }
  .tst-header { margin-bottom: 40px; }
  .cta-banner { padding: 48px 16px; }
  .footer-inner { padding: 0 16px; }
  .footer-nav { flex-direction: column; gap: 36px; }
  .footer-bar-links { flex-direction: column; gap: 10px; }
  .footer-top { padding: 40px 0 32px; }
  .footer-logo-img { margin-bottom: 20px; }
  .lm-card { padding: 24px 20px; max-width: 100%; }
  .lm-heading { font-size: 16px; }
}

/* ══════════════════════════════════════
   RESPONSIVE — 360px
══════════════════════════════════════ */

@media (max-width: 360px) {
  .hero-headline,
  .hero-headline-accent { font-size: 28px; }
  .hiw-card { width: 240px; }
  .cm-card { padding: 20px; }
  .uc-panel { padding: 16px 12px; }
  .btn-primary,
  .lm-btn-continue,
  .lm-btn-sso { font-size: 13px; padding: 11px 16px; }
  .footer-nav-heading { font-size: 10px; }
  .footer-nav-list a { font-size: 13px; }
}

/* ══════════════════════════════════════
   SCROLL ANIMATIONS — slide in from left
══════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }
.reveal:nth-child(7) { transition-delay: 0.6s; }