/* ============================================================
   LAB TO DENT - Main Stylesheet
   Dental Laboratory Management Software
   ============================================================ */

/* ---- DESIGN TOKENS ---- */
:root {
  /* Primary: Indigo/Purple (from logo #4a3795) */
  --color-primary-900: #1a1145;
  --color-primary-800: #271a5e;
  --color-primary-700: #352478;
  --color-primary-600: #3f2e8a;
  --color-primary-500: #4a3795;

  /* Accent: Sky Blue (from logo #7ed3f0) */
  --color-accent-600: #3badd4;
  --color-accent-500: #5bc0e0;
  --color-accent-400: #7ed3f0;
  --color-accent-300: #a8e2f6;
  --color-accent-200: #c8eefa;
  --color-accent-100: #e8f7fd;

  /* Neutrals */
  --color-white: #ffffff;
  --color-gray-50:  #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Semantic */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-surface: var(--color-white);
  --color-text: var(--color-gray-800);
  --color-text-muted: var(--color-gray-500);
  --color-text-light: var(--color-gray-400);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* 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;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-padding: var(--space-6);

  /* Effects */
  --shadow-xs: 0 1px 2px rgba(10, 22, 40, 0.04);
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06), 0 1px 2px rgba(10, 22, 40, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(10, 22, 40, 0.08), 0 2px 4px -2px rgba(10, 22, 40, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(10, 22, 40, 0.08), 0 4px 6px -4px rgba(10, 22, 40, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(10, 22, 40, 0.1), 0 8px 10px -6px rgba(10, 22, 40, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(10, 22, 40, 0.2);
  --shadow-glow: 0 0 40px rgba(74, 55, 149, 0.15);

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

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  font-weight: var(--weight-bold);
  color: var(--color-gray-900);
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.section--lg {
  padding: var(--space-24) 0;
}

.section--dark {
  background-color: var(--color-primary-900);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-500);
  margin-bottom: var(--space-4);
}

.section--dark .section__eyebrow {
  color: var(--color-accent-300);
}

.section__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: var(--leading-relaxed);
}

.section--dark .section__subtitle {
  color: var(--color-gray-300);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__header .section__subtitle {
  margin: 0 auto;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  padding: 0.8125rem 1.75rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background-color: var(--color-accent-500);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(74, 55, 149, 0.3);
}

.btn--primary:hover {
  background-color: var(--color-accent-600);
  box-shadow: 0 4px 16px rgba(74, 55, 149, 0.4);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(74, 55, 149, 0.3);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary-700);
  border: 1.5px solid var(--color-gray-200);
}

.btn--outline:hover {
  border-color: var(--color-accent-500);
  color: var(--color-accent-500);
  background-color: var(--color-accent-100);
}

.btn--lg {
  font-size: var(--text-lg);
  padding: 1rem 2.25rem;
}

.btn--sm {
  font-size: var(--text-sm);
  padding: 0.5625rem 1.25rem;
}

.btn__icon {
  width: 1.25em;
  height: 1.25em;
  transition: transform var(--transition-base);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

/* ---- NAVIGATION ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-5) 0;
  transition: all var(--transition-slow);
}

.nav--transparent {
  background-color: transparent;
}

.nav--solid {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  box-shadow: 0 1px 3px rgba(10, 22, 40, 0.06);
  padding: var(--space-3) 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  z-index: 1001;
}

.nav__logo img {
  height: auto;
  width: 140px;
  transition: opacity var(--transition-base);
}

.nav__logo-dark {
  display: none;
}

.nav--solid .nav__logo-light {
  display: none;
}

.nav--solid .nav__logo-dark {
  display: block;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 10px;
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700 !important;
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.nav--solid .nav__link {
  color: var(--color-gray-600);
}

.nav--solid .nav__link:hover {
  color: var(--color-primary-700);
  background-color: var(--color-gray-50);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  z-index: 1001;
}
.nav__actions .btn--sm {
  font-size: 0.75rem;
  padding: 0.4rem 0.85rem;
}

.nav__cta-demo {
  display: none;
}

.nav--solid .btn--secondary {
  color: var(--color-primary-700);
  border-color: var(--color-gray-200);
}

.nav--solid .btn--secondary:hover {
  border-color: var(--color-accent-500);
  color: var(--color-accent-500);
  background-color: var(--color-accent-100);
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav--solid .nav__hamburger span {
  background-color: var(--color-gray-700);
}

.nav__hamburger--active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger--active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger--active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav__mobile {
  position: fixed;
  inset: 0;
  background-color: var(--color-primary-900);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  z-index: 999;
}

.nav__mobile--active {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  padding: var(--space-3);
  transition: color var(--transition-fast);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.nav__mobile--active .nav__mobile-link {
  transform: translateY(0);
  opacity: 1;
}

.nav__mobile-link:nth-child(1) { transition-delay: 50ms; }
.nav__mobile-link:nth-child(2) { transition-delay: 100ms; }
.nav__mobile-link:nth-child(3) { transition-delay: 150ms; }
.nav__mobile-link:nth-child(4) { transition-delay: 200ms; }
.nav__mobile-link:nth-child(5) { transition-delay: 250ms; }
.nav__mobile-link:nth-child(6) { transition-delay: 300ms; }
.nav__mobile-link:nth-child(7) { transition-delay: 350ms; }

.nav__mobile-link:hover {
  color: var(--color-accent-300);
}

.nav__mobile-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
  transition-delay: 400ms;
}

.nav__mobile--active .nav__mobile-actions {
  transform: translateY(0);
  opacity: 1;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
  overflow: hidden;
  padding-top: var(--space-24);
}

.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(126, 211, 240, 0.15) 0%, transparent 70%);
  top: 10%;
  right: -5%;
  pointer-events: none;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 640px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent-300);
  margin-bottom: var(--space-8);
}

.hero__badge-icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent-400);
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

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

.hero__trust-text {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

.hero__visual {
  position: relative;
}

.hero__mockup {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.hero__mockup-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-200);
}

.hero__mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero__mockup-dot--red { background-color: #ff5f57; }
.hero__mockup-dot--yellow { background-color: #febc2e; }
.hero__mockup-dot--green { background-color: #28c840; }

.hero__mockup-url {
  flex: 1;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  background-color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  margin: 0 var(--space-8);
}

.hero__mockup-img {
  width: 100%;
  height: auto;
  display: block;
  background-color: var(--color-gray-100);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ---- TRUST BAR ---- */
.trust-bar {
  padding: var(--space-12) 0;
  background-color: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-100);
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.trust-bar__item {
  padding: var(--space-4);
}

.trust-bar__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-accent-500);
  margin-bottom: var(--space-1);
}

.trust-bar__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
}

/* ---- WORKFLOW SHOWCASE ---- */
.workflow {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.workflow__diagram {
  margin-bottom: var(--space-12);
  padding: var(--space-8) 0;
}

/* Main flow: vertical on mobile, horizontal on desktop */
.workflow__flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

/* ---- Workflow node cards ---- */
.workflow__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  min-width: 105px;
  transition: all var(--transition-base);
}

.workflow__node:hover {
  border-color: var(--color-accent-400);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.workflow__node--entry {
  border-color: var(--color-primary-500);
  background: linear-gradient(145deg, var(--color-white) 60%, #eee9f8);
  box-shadow: 0 2px 12px rgba(74, 55, 149, 0.08);
}

.workflow__node--entry .workflow__node-icon {
  background-color: rgba(74, 55, 149, 0.08);
  color: var(--color-primary-500);
}

.workflow__node--final {
  border-color: var(--color-success);
  background: linear-gradient(145deg, var(--color-white) 60%, #ecfdf5);
  box-shadow: 0 2px 12px rgba(34, 197, 94, 0.08);
}

.workflow__node--final .workflow__node-icon {
  background-color: rgba(34, 197, 94, 0.08);
  color: var(--color-success);
}

.workflow__node-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background-color: var(--color-accent-100);
  color: var(--color-accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
}

.workflow__node-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-gray-700);
  text-align: center;
  white-space: nowrap;
}

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

/* ---- Flow connector arrows ---- */
.workflow__flow-line {
  display: flex;
  align-items: center;
  color: var(--color-accent-400);
  flex-shrink: 0;
}

.workflow__flow-line-h { display: none; }
.workflow__flow-line-v { display: block; }

@keyframes flowDash {
  to { stroke-dashoffset: -14; }
}

.workflow__flow-dash {
  animation: flowDash 1s linear infinite;
}

/* ---- CIRCULAR HUB ---- */
.workflow__hub {
  position: relative;
  width: min(380px, 80vw);
  aspect-ratio: 1;
  flex-shrink: 0;
}

.workflow__hub-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

@keyframes hubRingFlow {
  to { stroke-dashoffset: -880; }
}

.workflow__hub-ring-anim {
  animation: hubRingFlow 15s linear infinite;
}

.workflow__hub-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1;
}

.workflow__hub-center svg {
  display: block;
  margin: 0 auto var(--space-1);
  color: var(--color-accent-400);
  opacity: 0.6;
}

.workflow__hub-center span {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-light);
  line-height: var(--leading-snug);
}

/* Hub department nodes */
.workflow__hub-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-accent-300);
  border-radius: var(--radius-xl);
  min-width: 95px;
  transition: all var(--transition-base);
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.workflow__hub-node:hover {
  border-color: var(--color-accent-500);
  box-shadow: var(--shadow-lg);
  z-index: 3;
}

.workflow__hub-node .workflow__node-icon {
  width: 36px;
  height: 36px;
}

.workflow__hub-node--n {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.workflow__hub-node--n:hover {
  transform: translateX(-50%) translateY(-3px);
}

.workflow__hub-node--e {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.workflow__hub-node--e:hover {
  transform: translateY(-50%) translateX(3px);
}

.workflow__hub-node--s {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.workflow__hub-node--s:hover {
  transform: translateX(-50%) translateY(3px);
}

.workflow__hub-node--w {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.workflow__hub-node--w:hover {
  transform: translateY(-50%) translateX(-3px);
}

/* ---- Exit flow ---- */
.workflow__exit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.workflow__exit-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.workflow__exit-col--check {
  padding: var(--space-3);
  background: rgba(126, 211, 240, 0.04);
  border: 1px dashed var(--color-accent-200);
  border-radius: var(--radius-xl);
}

.workflow__bidi-v {
  color: var(--color-accent-400);
  flex-shrink: 0;
}

.workflow__exit-arrow {
  color: var(--color-accent-400);
  flex-shrink: 0;
}

.workflow__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.workflow__feature {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.workflow__feature:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-200);
}

.workflow__feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background-color: var(--color-accent-100);
  color: var(--color-accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.workflow__feature-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.workflow__feature-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ---- FEATURE CARDS ---- */
.features {
  padding: var(--space-24) 0;
  background-color: var(--color-gray-50);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.feature-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background-color: var(--color-accent-100);
  color: var(--color-accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.feature-card__icon svg {
  width: 26px;
  height: 26px;
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.feature-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  flex: 1;
}

.feature-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent-500);
  transition: gap var(--transition-base);
}

.feature-card__link:hover {
  gap: var(--space-3);
}

.feature-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.feature-card__link:hover svg {
  transform: translateX(2px);
}

/* ---- MOBILE APP ---- */
.mobile-app {
  padding: var(--space-24) 0;
  background-color: var(--color-gray-50);
}

.mobile-app__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  align-items: center;
}

.mobile-app__visual {
  position: relative;
  display: flex;
  justify-content: center;
  gap: var(--space-6);
}

.mobile-app__phone {
  width: 220px;
  height: 450px;
  background-color: var(--color-gray-200);
  border-radius: 36px;
  border: 3px solid var(--color-gray-300);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.mobile-app__phone:nth-child(2) {
  transform: translateY(20px);
}

.mobile-app__phone-screen {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 33px;
}

.mobile-app__content {
  max-width: 520px;
}

.mobile-app__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.mobile-app__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: var(--leading-normal);
}

.mobile-app__list-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.mobile-app__badges {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.mobile-app__badge {
  height: 44px;
  width: auto;
  transition: transform var(--transition-base);
}

.mobile-app__badge:hover {
  transform: scale(1.05);
}

/* ---- PRODUCT SHOWCASE ---- */
.showcase {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.showcase__block {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  margin-bottom: var(--space-16);
  align-items: center;
}

.showcase__block:last-child {
  margin-bottom: 0;
}

.showcase__visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-200);
}

.showcase__visual img {
  width: 100%;
  height: auto;
  display: block;
}

.showcase__text {
  max-width: 480px;
}

.showcase__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.showcase__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

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

.showcase__bullet {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-gray-600);
}

.showcase__bullet-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent-500);
  flex-shrink: 0;
}

/* ---- PRICING ---- */
.pricing {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

.pricing__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.pricing__toggle-label {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-gray-500);
  transition: color var(--transition-base);
}

.pricing__toggle-label--active {
  color: var(--color-gray-900);
}

.pricing__toggle-switch {
  width: 52px;
  height: 28px;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-base);
}

.pricing__toggle-switch--active {
  background-color: var(--color-accent-500);
}

.pricing__toggle-switch::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  background-color: var(--color-white);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.pricing__toggle-switch--active::after {
  transform: translateX(24px);
}

.pricing__save-badge {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  background-color: var(--color-accent-100);
  color: var(--color-accent-600);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.pricing-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card--popular {
  border-color: var(--color-accent-500);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-accent-500);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  background-color: var(--color-accent-500);
  color: var(--color-white);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-2);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

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

.pricing-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-gray-900);
}

.pricing-card__period {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

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

.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.pricing-card__feature-icon {
  width: 18px;
  height: 18px;
  color: var(--color-accent-500);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

.pricing__compare-link {
  text-align: center;
}

.pricing__compare-link a {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-accent-500);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition-base);
}

.pricing__compare-link a:hover {
  gap: var(--space-3);
}

/* ---- TESTIMONIALS ---- */
.testimonials {
  padding: var(--space-24) 0;
  background: linear-gradient(145deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.testimonial-card__star {
  width: 18px;
  height: 18px;
  color: #fbbf24;
}

.testimonial-card__text {
  font-size: var(--text-base);
  color: var(--color-gray-200);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  font-style: italic;
}

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

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-gray-500);
  overflow: hidden;
}

.testimonial-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-card__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
}

.testimonial-card__role {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

.testimonial-card__flag {
  width: 20px;
  height: 14px;
  margin-left: var(--space-2);
}

/* ---- BLOG + FAQ PREVIEW ---- */
.preview-section {
  padding: var(--space-24) 0;
  background-color: var(--color-white);
}

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

/* Blog Preview */
.blog-preview__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.blog-card {
  display: flex;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.blog-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.blog-card__thumb {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--color-gray-100);
}

.blog-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card__title {
  color: var(--color-accent-500);
}

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

.faq-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-gray-300);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  text-align: left;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-gray-900);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  color: var(--color-gray-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item--active .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding: 0 var(--space-5) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  display: none;
}

.faq-item--active .faq-item__answer {
  display: block;
}

.preview-section__view-all {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-accent-500);
  margin-top: var(--space-6);
  transition: gap var(--transition-base);
}

.preview-section__view-all:hover {
  gap: var(--space-3);
}

/* ---- CTA BAND ---- */
.cta-band {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-primary-600) 100%);
  text-align: center;
}

.cta-band__title {
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-band__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
}

.cta-band__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-band .btn--primary {
  background-color: var(--color-white);
  color: var(--color-primary-700);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.cta-band .btn--primary:hover {
  background-color: var(--color-gray-50);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ---- FOOTER ---- */
.footer {
  background-color: var(--color-primary-900);
  color: var(--color-gray-300);
  padding-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand {
  max-width: 280px;
}

.footer__brand-logo {
  height: 32px;
  width: auto;
  margin-bottom: var(--space-4);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

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

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent-300);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-accent-300);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-6) 0;
}

.footer__badges {
  display: flex;
  gap: var(--space-3);
}

.footer__app-badge {
  height: 36px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer__app-badge:hover {
  opacity: 1;
}


.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  text-align: center;
}

.footer__legal-links {
  display: flex;
  gap: var(--space-4);
}

.footer__legal-link {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-gray-300);
}

/* ---- COOKIE CONSENT ---- */
.cookie-consent {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-gray-200);
  z-index: 9999;
  display: none;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cookie-consent--visible {
  display: flex;
}

.cookie-consent__text {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  min-width: 200px;
}

.cookie-consent__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }
.reveal--delay-5 { transition-delay: 500ms; }
.reveal--delay-6 { transition-delay: 600ms; }

/* ---- RESPONSIVE ---- */

/* SM: 640px */
@media (min-width: 640px) {
  .trust-bar__inner {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

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

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

/* MD: 768px */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-8);
  }

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

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

  .cookie-consent {
    left: auto;
    right: var(--space-6);
    max-width: 500px;
  }

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

  .showcase__block {
    flex-direction: row;
    gap: var(--space-16);
  }

  .showcase__block--reverse {
    flex-direction: row-reverse;
  }

  .showcase__visual {
    flex: 1;
  }

  .showcase__text {
    flex: 1;
  }
}

/* LG: 1024px */
@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }

  .nav__cta-demo {
    display: inline-flex;
  }

  .nav__hamburger {
    display: none;
  }

  .hero__inner {
    flex-direction: row;
    align-items: center;
  }

  .hero__content {
    flex: 0 0 55%;
  }

  .hero__visual {
    flex: 0 0 45%;
  }

  .hero__title {
    font-size: var(--text-6xl);
  }

  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  .mobile-app__inner {
    flex-direction: row;
  }

  .mobile-app__visual {
    flex: 0 0 45%;
  }

  .mobile-app__content {
    flex: 1;
  }

  .workflow__flow {
    flex-direction: row;
    gap: var(--space-6);
  }

  .workflow__flow-line-h { display: block; }
  .workflow__flow-line-v { display: none; }

  .workflow__exit {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }

  .workflow__features {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* XL: 1280px */
@media (min-width: 1280px) {
  .features__grid {
    gap: var(--space-8);
  }

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

  .pricing-card--popular {
    transform: scale(1.04);
  }

  .pricing-card--popular:hover {
    transform: scale(1.06);
  }
}