/* ============================================
   SEFERA — Design System & Styles
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Brand Colors */
  --color-primary: #0d6e5f;
  --color-primary-dark: #0a5649;
  --color-primary-light: #14a892;
  --color-primary-subtle: #e6f5f2;

  --color-accent: #c8952e;
  --color-accent-light: #f5e6c8;

  /* Neutrals */
  --color-bg: #fafbfc;
  --color-bg-alt: #f0f3f5;
  --color-surface: #ffffff;
  --color-border: #e2e8ef;
  --color-border-light: #eef1f5;

  --color-text: #1a2332;
  --color-text-secondary: #5a6578;
  --color-text-muted: #8892a4;

  /* Semantic */
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-error: #dc2626;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.25rem;

  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  /* 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;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 720px;
  --header-height: 72px;

  /* Effects */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(26, 35, 50, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 35, 50, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 35, 50, 0.12);
  --shadow-xl: 0 24px 64px rgba(26, 35, 50, 0.16);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
-webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn--block {
  width: 100%;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn--ghost:hover {
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.btn--whatsapp {
  background: #25d366;
  color: #fff;
  border-color: #25d366;
}

.btn--whatsapp:hover {
  background: #1fb855;
  border-color: #1fb855;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

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

.logo__img {
  height: 40px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

.logo__img--footer {
  height: 36px;
  max-width: 140px;
  border-radius: var(--radius-sm);
}

.nav__list {
  display: flex;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-20);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(13, 110, 95, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(200, 149, 46, 0.06) 0%, transparent 50%),
    var(--color-bg);
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-12);
  align-items: center;
}

.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: clamp(var(--font-size-3xl), 4.5vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.trust-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --- Dashboard Mockup --- */
.hero__visual {
  position: relative;
}

.dashboard-mockup {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
  transition: transform var(--transition-slow);
}

.dashboard-mockup:hover {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}

.dashboard-mockup__bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.dashboard-mockup__dots {
  display: flex;
  gap: 6px;
}

.dashboard-mockup__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.dashboard-mockup__dots span:nth-child(1) { background: #ff5f57; }
.dashboard-mockup__dots span:nth-child(2) { background: #febc2e; }
.dashboard-mockup__dots span:nth-child(3) { background: #28c840; }

.dashboard-mockup__url {
  flex: 1;
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: var(--color-surface);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-sm);
  max-width: 220px;
  margin: 0 auto;
}

.dashboard-mockup__body {
  display: flex;
  min-height: 320px;
}

.dashboard-mockup__sidebar {
  width: 56px;
  background: var(--color-primary-dark);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sidebar-item {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
}

.sidebar-item--active {
  background: rgba(255,255,255,0.25);
}

.dashboard-mockup__main {
  flex: 1;
  padding: var(--space-5);
  background: var(--color-bg);
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.dash-header__title {
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.dash-header__badge {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.dash-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.dash-stat {
  background: var(--color-surface);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.dash-stat__label {
  display: block;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.dash-stat__value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.dash-table {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

.dash-table__row {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.7fr 0.9fr 0.9fr;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  border-bottom: 1px solid var(--color-border-light);
  align-items: center;
}

.dash-table__row:last-child {
  border-bottom: none;
}

.dash-table__row--head {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 600;
}

.status--ok {
  background: #dcfce7;
  color: var(--color-success);
}

.status--warn {
  background: #fef3c7;
  color: var(--color-warning);
}

.status--pending {
  background: #fee2e2;
  color: var(--color-error);
}

.dash-table__row--live {
  animation: dashRowPulse 5s ease-in-out infinite;
}

.dash-table__row--live-delay {
  animation-delay: 2.5s;
}

@keyframes dashRowPulse {
  0%, 100% { background: transparent; }
  50% { background: rgba(13, 110, 95, 0.05); }
}

.dash-table__row--live .status--warn {
  animation: statusSoftGlow 5s ease-in-out infinite;
}

.dash-table__row--live-delay .status--warn {
  animation-delay: 2.5s;
}

@keyframes statusSoftGlow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}

.hero__float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border: 1px solid var(--color-border);
  animation: float 4s ease-in-out infinite;
}

.hero__float svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero__float--1 {
  top: 10%;
  left: -8%;
  animation-delay: 0s;
}

.hero__float--2 {
  bottom: 15%;
  right: -5%;
  animation-delay: 2s;
}

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

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

.section--alt {
  background: var(--color-bg-alt);
}

.section--cta {
  padding-bottom: var(--space-24);
  position: relative;
  overflow: hidden;
}

.section--cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(13, 110, 95, 0.07), transparent 70%);
  pointer-events: none;
  animation: ctaGlow 10s ease-in-out infinite;
}

.section--cta .container {
  position: relative;
  z-index: 1;
}

@keyframes ctaGlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.section-header {
  margin-bottom: var(--space-12);
  max-width: 640px;
}

.section-header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  font-weight: 800;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

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

.problem-card {
  position: relative;
  background: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-error);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.problem-card:hover::before {
  transform: scaleX(1);
}

.problem-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #fef2f2;
  color: #dc2626;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.problem-card:hover .problem-card__icon {
  transform: translateY(-2px);
}

.problem-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.problem-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Solution --- */
.solution__intro {
  margin-bottom: var(--space-12);
}

.solution-transform {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: stretch;
  margin-bottom: var(--space-12);
}

.solution-panel {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  min-height: 340px;
  display: flex;
  flex-direction: column;
}

.solution-panel--chaos {
  background: linear-gradient(160deg, #fef2f2 0%, var(--color-surface) 45%);
  border-color: rgba(220, 38, 38, 0.12);
}

.solution-panel--unified {
  background: linear-gradient(160deg, var(--color-primary-subtle) 0%, var(--color-surface) 50%);
  border-color: rgba(13, 110, 95, 0.2);
  box-shadow: var(--shadow-md);
}

.solution-panel__head {
  margin-bottom: var(--space-5);
}

.solution-panel__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.solution-panel__badge--chaos {
  background: #fee2e2;
  color: var(--color-error);
}

.solution-panel__badge--unified {
  background: var(--color-primary);
  color: #fff;
}

.solution-panel__hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Chaos scatter */
.chaos-scatter {
  position: relative;
  flex: 1;
  min-height: 260px;
}

.chaos-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  animation: chaosDrift 6s ease-in-out infinite;
}

.chaos-chip svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.chaos-chip--1 { top: 8%; left: 4%; transform: rotate(-4deg); animation-delay: 0s; }
.chaos-chip--2 { top: 22%; right: 2%; transform: rotate(3deg); animation-delay: 1s; }
.chaos-chip--3 { top: 42%; left: 8%; transform: rotate(-2deg); animation-delay: 2s; }
.chaos-chip--4 { top: 58%; right: 6%; transform: rotate(5deg); animation-delay: 0.5s; }
.chaos-chip--5 { bottom: 18%; left: 2%; transform: rotate(-3deg); animation-delay: 1.5s; }
.chaos-chip--6 { bottom: 6%; right: 4%; transform: rotate(2deg); animation-delay: 2.5s; }

@keyframes chaosDrift {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -4px; }
}

/* Solution bridge */
.solution-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  min-width: 100px;
}

.solution-bridge__line {
  width: 2px;
  flex: 1;
  min-height: 40px;
  background: linear-gradient(to bottom, rgba(220, 38, 38, 0.2), var(--color-primary), rgba(13, 110, 95, 0.2));
  border-radius: var(--radius-full);
  opacity: 0.5;
}

.solution-bridge__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  animation: bridgePulse 3s ease-in-out infinite;
}

.solution-bridge__text {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
  line-height: var(--line-height-normal);
  max-width: 90px;
}

@keyframes bridgePulse {
  0%, 100% { box-shadow: var(--shadow-sm); }
  50% { box-shadow: 0 0 0 6px rgba(13, 110, 95, 0.08); }
}

/* Unified panel */
.unified-panel {
  flex: 1;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

.unified-panel__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-primary-dark);
  color: #fff;
}

.unified-panel__logo {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.unified-panel__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.unified-panel__header strong {
  display: block;
  font-size: var(--font-size-sm);
}

.unified-panel__header span {
  font-size: var(--font-size-xs);
  opacity: 0.75;
}

.unified-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border-light);
}

.unified-item {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  transition: background var(--transition-base);
}

.unified-item--active {
  background: var(--color-primary-subtle);
}

.unified-item--pulse {
  animation: unifiedPulse 4s ease-in-out infinite;
}

@keyframes unifiedPulse {
  0%, 100% { background: var(--color-bg); }
  50% { background: rgba(13, 110, 95, 0.08); }
}

.unified-item__label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.unified-item__value {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text);
}

.unified-panel__sync {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-subtle);
  border-top: 1px solid rgba(13, 110, 95, 0.1);
}

.unified-panel__dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: syncDot 2s ease-in-out infinite;
}

@keyframes syncDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.solution__footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.solution__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-10);
  max-width: 720px;
  text-align: left;
}

.solution__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.solution__list svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

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

.module-card {
  position: relative;
  background: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.module-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px rgba(20, 168, 146, 0.3), var(--shadow-md);
  transform: translateY(-2px);
}

.module-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  transition: transform 0.35s ease, background 0.35s ease, color 0.35s ease;
}

.module-card:hover .module-card__icon {
  transform: scale(1.06);
  background: var(--color-primary);
  color: #fff;
}

.module-card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.module-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Comparison --- */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

.comparison__col {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.comparison__col--old {
  background: var(--color-surface);
}

.comparison__col--new {
  background: linear-gradient(135deg, var(--color-primary-subtle), var(--color-surface));
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

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

.comparison__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.comparison__badge--old {
  background: #fee2e2;
  color: var(--color-error);
}

.comparison__badge--new {
  background: var(--color-primary);
  color: #fff;
}

.comparison__header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.comparison__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.comparison__item--negative svg {
  color: var(--color-error);
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison__item--positive svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Audience --- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.audience-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.audience-card__number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary-subtle);
  -webkit-text-stroke: 1px var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: 1;
}

.audience-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.audience-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Process --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-5);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xl);
  font-weight: 800;
  border-radius: 50%;
  box-shadow: 0 0 0 8px var(--color-bg);
}

.section--alt .process-step__number {
  box-shadow: 0 0 0 8px var(--color-bg-alt);
}

.process-step h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.process-step p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

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

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  padding: var(--space-8);
  padding-top: var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 110, 95, 0.25);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured:hover {
  transform: translateY(-4px);
}

.pricing-card--pilot {
  border-style: dashed;
  border-color: var(--color-border);
  background: var(--color-bg);
}

.pricing-card--pilot:hover {
  border-color: var(--color-text-muted);
}

.pricing-card__badge {
  position: absolute;
  top: var(--space-5);
  left: var(--space-6);
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-card__badge--featured {
  background: var(--color-primary);
  color: #fff;
}

.pricing-card__badge--pilot {
  background: var(--color-text);
  color: #fff;
}

.pricing-card__header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  margin-top: var(--space-2);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
  min-height: 4.5em;
}

.pricing-card__tiers {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.pricing-tier {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.pricing-tier--highlight {
  background: var(--color-primary-subtle);
  border-color: rgba(13, 110, 95, 0.15);
}

.pricing-tier--single {
  padding: var(--space-4) var(--space-5);
}

.pricing-card--featured .pricing-tier--single {
  background: var(--color-primary-subtle);
  border-color: rgba(13, 110, 95, 0.2);
}

.pricing-tier__term {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.pricing-tier__amount {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.pricing-card--featured .pricing-tier__amount {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
}

.pricing-card__pilot-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: calc(var(--space-3) * -1);
  margin-bottom: var(--space-5);
  line-height: var(--line-height-relaxed);
}

.pricing-card__features {
  flex: 1;
  margin-bottom: var(--space-8);
}

.pricing-card__features li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pricing-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-primary-subtle);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d6e5f' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 10px;
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-card .btn {
  margin-top: auto;
}

.pricing-note {
  max-width: 640px;
  margin: var(--space-10) auto 0;
  padding: var(--space-4) var(--space-6);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  line-height: var(--line-height-relaxed);
}

/* --- FAQ --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-item__question {
  padding: var(--space-5) var(--space-6);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: '+';
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  padding: 0 var(--space-6);
  transition: grid-template-rows 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item[open] .faq-item__answer {
  grid-template-rows: 1fr;
  padding: 0 var(--space-6) var(--space-5);
}

.faq-item__answer > p {
  overflow: hidden;
  min-height: 0;
}

.faq-item__answer p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Demo Form --- */
.demo-box {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.demo-box__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.demo-box__header h2 {
  font-size: clamp(var(--font-size-xl), 2.5vw, var(--font-size-3xl));
  font-weight: 800;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

.demo-box__header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

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

.demo-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.form-note {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
}

.demo-result {
  text-align: center;
  padding: var(--space-8) 0 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

.demo-result__icon {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.demo-result--error .demo-result__icon {
  color: var(--color-warning);
}

.demo-result h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.demo-result p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.demo-form--locked {
  opacity: 0.55;
  pointer-events: none;
}

.form-group .required {
  color: var(--color-error);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer .logo--footer {
  display: inline-flex;
  margin-bottom: var(--space-1);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 320px;
}

.footer__company {
  font-weight: 700;
  color: #fff;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-3);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
}

.footer__contact a {
  transition: color var(--transition-fast);
}

.footer__contact a:hover {
  color: #fff;
}

.footer__col h4 {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer__col a {
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

/* --- Reduced Motion --- */
@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
    will-change: auto;
  }

  .hero__float,
  .chaos-chip,
  .solution-bridge__icon,
  .unified-item--pulse,
  .unified-panel__dot,
  .dash-table__row--live,
  .section--cta::before {
    animation: none !important;
  }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .hero__visual {
    order: -1;
    max-width: 600px;
    margin: 0 auto;
  }

  .hero__float--1 { left: 0; }
  .hero__float--2 { right: 0; }

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

  .solution-transform {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .solution-bridge {
    flex-direction: row;
    padding: var(--space-4) 0;
    min-width: auto;
  }

  .solution-bridge__line {
    width: auto;
    height: 2px;
    flex: 1;
    min-height: auto;
    background: linear-gradient(to right, rgba(220, 38, 38, 0.2), var(--color-primary), rgba(13, 110, 95, 0.2));
  }

  .solution-bridge__icon {
    transform: rotate(90deg);
  }

  .solution-bridge__text {
    max-width: none;
    white-space: nowrap;
  }

  .solution-panel {
    min-height: auto;
  }

  .chaos-scatter {
    min-height: 220px;
  }

  .solution__list {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

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

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }

  .process-steps::before {
    display: none;
  }

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

  .pricing-card--featured {
    order: -1;
  }

  .pricing-card__desc {
    min-height: auto;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .logo__img {
    height: 34px;
    max-width: 132px;
  }

  .logo__img--footer {
    height: 32px;
    max-width: 120px;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
    box-shadow: var(--shadow-lg);
  }

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

  .nav__list {
    flex-direction: column;
    gap: var(--space-4);
  }

  .nav__link {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--font-size-base);
  }

  .header__actions {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--header-height) + var(--space-10));
    padding-bottom: var(--space-12);
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
  }

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

  .dash-table__row {
    font-size: 0.6rem;
  }

  .hero__float {
    display: none;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .problem-grid,
  .modules-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .demo-box {
    padding: var(--space-6);
  }

  .demo-form__actions {
    flex-direction: column;
  }

  .demo-form__actions .btn {
    width: 100%;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .dashboard-mockup {
    transform: none;
  }

  .dashboard-mockup__body {
    min-height: 260px;
  }

  .chaos-chip {
    font-size: 0.65rem;
    padding: var(--space-1) var(--space-2);
  }

  .chaos-chip--2,
  .chaos-chip--4 {
    right: 0;
    left: auto;
  }
}