/* ============================================================
   KeyBle Marketing Site — CSS
   ============================================================ */

/* --- Reset & Base ------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --c-primary:      #1B4FD8;
  --c-primary-dark: #1440B8;
  --c-primary-light:#EEF2FF;
  --c-accent:       #10B981;
  --c-accent-light: #D1FAE5;
  --c-dark:         #0F172A;
  --c-body:         #334155;
  --c-muted:        #64748B;
  --c-border:       #E2E8F0;
  --c-bg:           #FFFFFF;
  --c-bg-soft:      #F8FAFC;
  --c-bg-dark:      #0F172A;

  /* Typography */
  --font:           'Inter', system-ui, -apple-system, sans-serif;
  --text-xs:        0.75rem;
  --text-sm:        0.875rem;
  --text-base:      1rem;
  --text-lg:        1.125rem;
  --text-xl:        1.25rem;
  --text-2xl:       1.5rem;
  --text-3xl:       1.875rem;
  --text-4xl:       2.25rem;
  --text-5xl:       3rem;
  --text-6xl:       3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm:  0.375rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--c-body);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* --- Layout ----------------------------------------------- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

/* --- Typography ------------------------------------------- */
.section__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-primary);
  background: var(--c-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.section__header--left {
  text-align: left;
  margin: 0 0 var(--space-10);
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--c-dark);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.section__desc {
  font-size: var(--text-lg);
  color: var(--c-muted);
  line-height: 1.7;
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all 0.15s ease;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn--sm  { font-size: var(--text-sm);  padding: 0.5rem 1.125rem; }
.btn--md  { font-size: var(--text-base); padding: 0.625rem 1.5rem; }
.btn--lg  { font-size: var(--text-base); padding: 0.875rem 2rem; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}
.btn--primary:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(27, 79, 216, 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--c-dark);
  border-color: var(--c-border);
}
.btn--ghost:hover {
  background: var(--c-bg-soft);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn--outline:hover {
  background: var(--c-primary-light);
  transform: translateY(-1px);
}

/* --- Logo -------------------------------------------------- */
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--c-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: var(--text-sm);
}

.logo-mark--sm {
  width: 1.25rem;
  height: 1.25rem;
  font-size: var(--text-xs);
}

/* --- Navigation ------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.2s;
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--c-dark);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-body);
  transition: color 0.15s;
}

.nav__links a:hover {
  color: var(--c-primary);
}

.nav__cta {
  margin-left: var(--space-4);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-dark);
  border-radius: 2px;
  transition: all 0.2s;
}

/* --- Hero -------------------------------------------------- */
.hero {
  background: linear-gradient(160deg, #F0F4FF 0%, #FFFFFF 50%, #F0FDF9 100%);
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
}

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

.hero__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: var(--c-accent-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.hero__heading {
  font-size: var(--text-6xl);
  font-weight: 800;
  color: var(--c-dark);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}

.hero__sub {
  font-size: var(--text-xl);
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero__proof {
  font-size: var(--text-sm);
  color: var(--c-muted);
}

/* --- Phone Mockup ----------------------------------------- */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-10) 0;
}

.phone-mockup {
  width: 280px;
  background: var(--c-dark);
  border-radius: 36px;
  padding: 10px;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.1) inset;
  position: relative;
  z-index: 2;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  z-index: 3;
}

.phone-mockup__screen {
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  min-height: 520px;
}

.mock-status-bar {
  background: var(--c-primary);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px 8px;
  font-size: 11px;
  font-weight: 700;
}

.mock-signal { letter-spacing: -2px; }

.mock-header {
  padding: 16px;
  background: var(--c-primary);
  color: #fff;
  padding-bottom: 20px;
}

.mock-site-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 2px;
}

.mock-subtitle {
  font-size: 12px;
  opacity: 0.75;
}

.mock-key-list {
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mock-key {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 8px;
  background: var(--c-bg-soft);
}

.mock-key__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mock-key--in  .mock-key__dot { background: var(--c-accent); }
.mock-key--out .mock-key__dot { background: #F59E0B; }

.mock-key__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.mock-key__label {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-key__meta {
  font-size: 9px;
  color: var(--c-muted);
}

.mock-key__status {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.mock-key__status.in  { background: var(--c-accent-light); color: #065F46; }
.mock-key__status.out { background: #FEF3C7; color: #92400E; }

.hero__tag-float {
  position: absolute;
  z-index: 3;
}

.hero__tag-float--1 {
  top: 15%;
  right: 0;
}

.hero__tag-float--2 {
  bottom: 15%;
  left: -3%;
}

.ble-tag {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 80px;
  animation: float 3s ease-in-out infinite;
}

.hero__tag-float--2 .ble-tag {
  animation-delay: 1.5s;
}

.ble-tag__icon { font-size: 1.25rem; }

.ble-tag__icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.ble-tag__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--c-body);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --- Tag Spotlight ---------------------------------------- */
.tag-spotlight__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.tag-spotlight__image {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--c-bg-soft);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  border: 1px solid var(--c-border);
}

.tag-spotlight__image img {
  max-width: 420px;
  width: 100%;
}

.tag-spotlight__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--c-dark);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
}

.tag-spotlight__desc {
  font-size: var(--text-lg);
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.tag-specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.tag-spec {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.tag-spec__icon {
  font-size: 1.125rem;
  background: var(--c-primary-light);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tag-spec__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: var(--space-2);
}

.tag-spec__body strong {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-dark);
}

.tag-spec__body span {
  font-size: var(--text-sm);
  color: var(--c-muted);
}

/* --- Proof Bar -------------------------------------------- */
.proof-bar {
  background: var(--c-bg-soft);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-5) 0;
}

.proof-bar .container {
  text-align: center;
}

.proof-bar__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.proof-bar__segments {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-body);
}

.proof-bar__segments span:nth-child(even) {
  color: var(--c-border);
}

/* --- Trust Strip ------------------------------------------ */
.trust-strip {
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-8) 0;
}

.trust-strip__items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  min-width: 220px;
  max-width: 300px;
}

.trust-item__icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.trust-item__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trust-item__body strong {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-dark);
}

.trust-item__body span {
  font-size: var(--text-xs);
  color: var(--c-muted);
}

.trust-item__divider {
  width: 1px;
  height: 40px;
  background: var(--c-border);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .trust-item__divider { display: none; }
  .trust-strip__items { gap: var(--space-6); }
  .trust-item { min-width: 100%; }
}

/* --- Steps ------------------------------------------------- */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.step__number {
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--c-primary);
  margin-bottom: var(--space-3);
}

.step__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  background: var(--c-primary-light);
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--space-3);
}

.step__desc {
  font-size: var(--text-base);
  color: var(--c-muted);
  line-height: 1.7;
}

.step__connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-border) 100%);
  align-self: center;
  margin-top: -24px;
  flex-shrink: 0;
}

.steps__privacy-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-top: var(--space-10);
  padding: var(--space-4) var(--space-5);
  background: var(--c-primary-light);
  border: 1px solid #C7D7F9;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--c-body);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.steps__privacy-note svg {
  color: var(--c-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- Features Grid ---------------------------------------- */
.features {
  background: var(--c-bg-soft);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.feature-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card__icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
}

.feature-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.65;
}

/* --- Segments Grid ---------------------------------------- */
.segments__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.segment-card {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  transition: box-shadow 0.2s, transform 0.2s;
}

.segment-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--c-primary);
}

.segment-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.segment-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--space-3);
}

.segment-card__desc {
  font-size: var(--text-base);
  color: var(--c-muted);
  line-height: 1.7;
}

/* --- Comparison Table ------------------------------------- */
.comparison {
  background: var(--c-bg-soft);
}

.comparison__table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-bg);
  font-size: var(--text-sm);
}

.comparison__table thead tr {
  background: var(--c-bg-soft);
}

.comparison__table th,
.comparison__table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}

.comparison__table th {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.comparison__table td:first-child {
  font-weight: 500;
  color: var(--c-dark);
  background: var(--c-bg-soft);
}

.comparison__col--keyble {
  background: var(--c-primary-light) !important;
}

.comparison__table th.comparison__col--keyble {
  color: var(--c-primary) !important;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.check {
  color: var(--c-accent);
  font-weight: 700;
}

.cross {
  color: #EF4444;
  font-weight: 700;
}

.comparison__table tbody tr:last-child td {
  border-bottom: none;
}

/* --- Pricing ---------------------------------------------- */
.pricing__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: box-shadow 0.2s;
}

.pricing-card--featured {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 1px var(--c-primary), var(--shadow-lg);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card__header {
  margin-bottom: var(--space-6);
}

.pricing-card__name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--space-2);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.5;
}

.pricing-card__price {
  display: flex;
  align-items: flex-end;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}

.pricing-card__currency {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--c-dark);
  padding-bottom: 4px;
}

.pricing-card__amount {
  font-size: var(--text-6xl);
  font-weight: 800;
  color: var(--c-dark);
  line-height: 1;
}

.pricing-card__amount--custom {
  font-size: var(--text-4xl);
}

.pricing-card__unit {
  font-size: var(--text-sm);
  color: var(--c-muted);
  padding-bottom: 8px;
}

.pricing-card__note {
  font-size: var(--text-xs);
  color: var(--c-muted);
  margin-bottom: var(--space-6);
}

.pricing-card__features {
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-card__features li {
  font-size: var(--text-sm);
  color: var(--c-body);
  padding-left: var(--space-5);
  position: relative;
}

.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-weight: 700;
}

.pricing__footnote {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--c-muted);
  line-height: 1.7;
}

.pricing__footnote a {
  color: var(--c-primary);
  text-decoration: underline;
}

/* --- FAQ -------------------------------------------------- */
.faq {
  background: var(--c-bg-soft);
}

.faq__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-16);
  align-items: start;
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq__item {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--c-dark);
  text-align: left;
  transition: background 0.15s;
}

.faq__question:hover {
  background: var(--c-bg-soft);
}

.faq__question[aria-expanded="true"] {
  color: var(--c-primary);
}

.faq__arrow {
  font-size: var(--text-sm);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.faq__question[aria-expanded="true"] .faq__arrow {
  transform: rotate(180deg);
}

.faq__answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
}

.faq__answer.open {
  display: block;
}

.faq__answer p {
  font-size: var(--text-base);
  color: var(--c-muted);
  line-height: 1.7;
}

/* --- CTA Section ------------------------------------------ */
.cta-section {
  background: linear-gradient(135deg, #0F172A 0%, #1B4FD8 100%);
  color: #fff;
}

.cta-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.cta-section__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.cta-section__desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.cta-section__checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cta-section__checklist li {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

/* --- Contact Form ----------------------------------------- */
.contact-form {
  background: #fff;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  box-shadow: var(--shadow-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: var(--text-base);
  color: var(--c-dark);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(27, 79, 216, 0.15);
  background: #fff;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form__privacy {
  font-size: var(--text-xs);
  color: var(--c-muted);
  text-align: center;
}

.form__privacy a {
  color: var(--c-primary);
  text-decoration: underline;
}

/* --- Footer ----------------------------------------------- */
.footer {
  background: var(--c-bg-dark);
  color: rgba(255,255,255,0.75);
  padding: var(--space-16) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand .nav__logo {
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}

.footer__links {
  display: flex;
  gap: var(--space-12);
}

.footer__col h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col ul li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  transition: color 0.15s;
}

.footer__col ul li a:hover {
  color: #fff;
}

.footer__bottom {
  padding: var(--space-5) 0;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}

/* --- Scroll Animations ------------------------------------ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Success State ---------------------------------------- */
.form-success {
  text-align: center;
  padding: var(--space-12) var(--space-8);
}

.form-success__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.form-success__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--space-3);
}

.form-success__msg {
  font-size: var(--text-base);
  color: var(--c-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__heading {
    font-size: var(--text-5xl);
  }
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__sub {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
    padding: 0;
  }

  .hero__tag-float--1,
  .hero__tag-float--2 {
    display: none;
  }

  .tag-spotlight__inner {
    grid-template-columns: 1fr;
  }

  .tag-spotlight__image {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .cta-section__inner {
    grid-template-columns: 1fr;
  }

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

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step__connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-border) 100%);
    margin: 0;
    margin-top: 0;
  }

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

  .pricing__cards {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer__links {
    gap: var(--space-8);
  }
}

@media (max-width: 640px) {
  .section__title {
    font-size: var(--text-3xl);
  }

  .hero__heading {
    font-size: var(--text-4xl);
  }

  .hero__sub {
    font-size: var(--text-base);
  }

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

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

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
    z-index: 99;
  }

  .nav__links.open + .nav__cta {
    display: flex;
    margin: 0 var(--space-6) var(--space-4);
    position: fixed;
    top: calc(64px + 180px);
    left: 0;
    right: 0;
    z-index: 99;
  }

  .nav__toggle {
    display: flex;
  }

  .cta-section__title {
    font-size: var(--text-3xl);
  }

  .comparison__table th,
  .comparison__table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
  }

  .footer__links {
    flex-direction: column;
    gap: var(--space-8);
  }

  .phone-mockup {
    width: 240px;
  }
}