/* ========================================
   TradeVoy - Bold Mixed Theme
   Dark/Light alternating sections
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Colors */
  --color-bg-dark: #0a0a0a;
  --color-bg-light: #ffffff;
  --color-bg-light-alt: #f5f5f5;
  --color-bg-card-dark: #1a1a1a;
  --color-bg-card-light: #ffffff;
  --color-accent: #f15f23;
  --color-accent-hover: #ff7a45;
  --color-accent-glow: rgba(241, 95, 35, 0.12);
  --color-blue: #4a90d9;
  --color-text-dark: #111111;
  --color-text-light: #ffffff;
  --color-text-secondary-dark: #555555;
  --color-text-secondary-light: rgba(255, 255, 255, 0.6);
  --color-text-muted: #999999;
  --color-border-dark: #2a2a2a;
  --color-border-light: #e5e5e5;
  --color-success: #22c55e;

  /* Typography */
  --font-family: 'Inter', 'Apple SD Gothic Neo', 'Malgun Gothic', -apple-system, BlinkMacSystemFont, 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: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* 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 */
  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========================================
   Reset & Base
   ======================================== */

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

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

body {
  font-family: var(--font-family);
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }

::selection {
  background: var(--color-accent);
  color: #fff;
}

/* ========================================
   Layout
   ======================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section--light {
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
}

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

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

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

/* ========================================
   Section Headers
   ======================================== */

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

.section-label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-title::after { display: none; }

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary-dark);
  max-width: 600px;
  line-height: 1.7;
}

.text-center .section-subtitle,
.section-header .section-subtitle {
  margin: 0 auto;
}

.section--dark .section-subtitle {
  color: var(--color-text-secondary-light);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-6xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

.accent-text {
  color: var(--color-accent);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-align: center;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(241, 95, 35, 0.3);
}

.btn--outline {
  background-color: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-text-dark);
  border-color: var(--color-border-light);
}

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

.btn--lg {
  padding: var(--space-5) var(--space-12);
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-lg);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  border-bottom-color: var(--color-border-light);
  box-shadow: 0 1px 10px rgba(0,0,0,0.05);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.navbar__logo {
  font-size: var(--font-size-xl);
  font-weight: 900;
  color: var(--color-text-dark);
  letter-spacing: -0.03em;
}

.navbar__logo span {
  color: var(--color-accent);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary-dark);
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--space-2) 0;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-text-dark);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

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

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  transition: all var(--transition-fast);
}

/* ========================================
   Hero - Light with Dashboard
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--color-bg-light);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-accent-glow);
  border: 1px solid rgba(241, 95, 35, 0.2);
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-8);
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, var(--font-size-5xl));
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: var(--space-6);
  color: var(--color-text-dark);
  letter-spacing: -0.04em;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-secondary-dark);
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}

/* ========================================
   Hero Dashboard (floating cards)
   ======================================== */

.hero__visual {
  position: relative;
  min-height: 500px;
}

.dashboard {
  position: relative;
  width: 100%;
  height: 500px;
}

.dashboard__card {
  position: absolute;
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: var(--space-5);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid var(--color-border-light);
}

.dashboard__card--main {
  top: 0;
  left: 0;
  width: 320px;
  z-index: 3;
}

.dashboard__card--buyer {
  top: 60px;
  right: 0;
  width: 280px;
  z-index: 2;
}

.dashboard__card--email {
  bottom: 20px;
  left: 30px;
  width: 300px;
  z-index: 1;
}

.dashboard__card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
}

.dashboard__card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dashboard__card-dot--green { background: var(--color-success); }
.dashboard__card-dot--orange { background: var(--color-accent); }
.dashboard__card-dot--blue { background: var(--color-blue); }

/* Stats row */
.dashboard__stats-row {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.dashboard__mini-stat {
  flex: 1;
  text-align: center;
  padding: var(--space-3);
  background: var(--color-bg-light-alt);
  border-radius: var(--border-radius);
}

.dashboard__mini-stat-number {
  font-size: var(--font-size-xl);
  font-weight: 900;
  color: var(--color-text-dark);
}

.dashboard__mini-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Progress */
.dashboard__progress {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.dashboard__progress-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.dashboard__progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-bg-light-alt);
  border-radius: 3px;
  overflow: hidden;
}

.dashboard__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  border-radius: 3px;
  animation: progressGrow 2s ease-out forwards;
}

@keyframes progressGrow {
  from { width: 0 !important; }
}

.dashboard__progress-pct {
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--color-accent);
}

/* Buyer rows */
.dashboard__buyer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.dashboard__buyer-row:last-child {
  border-bottom: none;
}

.dashboard__buyer-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-dark);
}

.dashboard__buyer-country {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.dashboard__buyer-score {
  font-size: var(--font-size-lg);
  font-weight: 900;
  color: var(--color-success);
}

/* Email preview */
.dashboard__email-preview {
  padding: var(--space-3);
  background: var(--color-bg-light-alt);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-3);
}

.dashboard__email-subject {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-1);
}

.dashboard__email-body {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dashboard__email-status {
  display: flex;
  align-items: center;
}

.dashboard__email-badge {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  padding: var(--space-1) var(--space-3);
  border-radius: 50px;
}

/* Float animations */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.float-y {
  animation: floatY 4s ease-in-out infinite;
}

.float-y-delay {
  animation: floatY 4s ease-in-out infinite;
  animation-delay: 1.2s;
}

.float-y-delay-2 {
  animation: floatY 4s ease-in-out infinite;
  animation-delay: 2.4s;
}

/* ========================================
   Problem / Solution (on dark bg)
   ======================================== */

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

.contrast-card {
  padding: var(--space-10);
  border-radius: var(--border-radius-xl);
}

.contrast-card--problem {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.contrast-card--solution {
  background: linear-gradient(135deg, rgba(241, 95, 35, 0.12), rgba(241, 95, 35, 0.03));
  border: 1px solid rgba(241, 95, 35, 0.25);
}

.contrast-card__label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-6);
}

.contrast-card--problem .contrast-card__label {
  color: rgba(255, 255, 255, 0.4);
}

.contrast-card--solution .contrast-card__label {
  color: var(--color-accent);
}

.contrast-card h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-6);
  line-height: 1.3;
  color: #fff;
}

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

.contrast-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.contrast-card__list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 9px;
}

.contrast-card--problem .contrast-card__list li::before {
  background: rgba(255, 255, 255, 0.3);
}

.contrast-card--solution .contrast-card__list li::before {
  background: var(--color-accent);
}

/* ========================================
   Service Cards (LeadsForge grid style)
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  padding: var(--space-8);
  border-radius: var(--border-radius-lg);
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.service-card--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.service-card--accent .service-card__number {
  color: rgba(255, 255, 255, 0.4);
}

.service-card--accent .service-card__title {
  color: #fff;
}

.service-card--accent .service-card__desc {
  color: rgba(255, 255, 255, 0.85);
}

.service-card--blue {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

.service-card--blue .service-card__number {
  color: rgba(255, 255, 255, 0.4);
}

.service-card--blue .service-card__title {
  color: #fff;
}

.service-card--blue .service-card__desc {
  color: rgba(255, 255, 255, 0.85);
}

.service-card__number {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: rgba(0, 0, 0, 0.08);
  line-height: 1;
  margin-bottom: var(--space-6);
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.service-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary-dark);
  line-height: 1.6;
}

/* ========================================
   Pipeline Vertical (Dark bg, LeadsForge style)
   ======================================== */

.pipeline-vertical {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 60px;
}

.pipeline-vertical__line {
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(255, 255, 255, 0.1));
}

.pipeline-vertical__step {
  position: relative;
  padding: var(--space-10) 0;
}

.pipeline-vertical__dot {
  position: absolute;
  left: -49px;
  top: var(--space-10);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-dark);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.pipeline-vertical__number {
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.pipeline-vertical__content h3 {
  font-size: var(--font-size-xl);
  color: #fff;
  margin-bottom: var(--space-3);
}

.pipeline-vertical__content p {
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  font-size: var(--font-size-base);
}

/* ========================================
   Stats (Light bg)
   ======================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
  padding: var(--space-8) 0;
}

.stat__number {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--color-text-dark);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.section--dark .stat__number {
  color: #fff;
}

.section--dark .stat__label {
  color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
  text-align: center;
  padding: var(--space-32) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(241, 95, 35, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  margin-bottom: var(--space-6);
  letter-spacing: -0.04em;
  color: #fff;
  position: relative;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-10);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--font-size-lg);
  position: relative;
}

.cta-section .btn {
  position: relative;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: 700px;
  margin: var(--space-12) auto 0;
  text-align: center;
  position: relative;
}

.contact-item__label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.contact-item__value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: #fff;
}

/* ========================================
   Footer - Dark with watermark
   ======================================== */

.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.5);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.footer__watermark {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12vw;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: -0.04em;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
  position: relative;
}

.footer__brand {
  font-size: var(--font-size-xl);
  font-weight: 900;
  color: #fff;
  margin-bottom: var(--space-3);
}

.footer__brand span {
  color: var(--color-accent);
}

.footer__desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
  max-width: 300px;
  line-height: 1.7;
}

.footer__links h4 {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.footer__links a {
  display: block;
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__company {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.25);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-1);
}

.footer__sep {
  margin: 0 var(--space-2);
  opacity: 0.4;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: var(--space-4);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.2);
  position: relative;
}

/* ========================================
   Page Header (for inner pages) - Light
   ======================================== */

.page-header {
  padding: calc(80px + var(--space-20)) 0 var(--space-16);
  background: var(--color-bg-light);
}

.page-header__title {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
  letter-spacing: -0.04em;
}

.page-header__desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary-dark);
  max-width: 600px;
}

.text-center .page-header__desc {
  margin: 0 auto;
}

/* ========================================
   Cards (for light bg pages)
   ======================================== */

.card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.section--dark .card {
  background: var(--color-bg-card-dark);
  border-color: var(--color-border-dark);
}

.section--dark .card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius);
  background: var(--color-accent-glow);
  border: 1px solid rgba(241, 95, 35, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-accent);
  font-size: var(--font-size-xl);
  font-weight: 800;
}

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

.section--dark .card__title {
  color: #fff;
}

.card__text {
  color: var(--color-text-secondary-dark);
  line-height: 1.7;
  font-size: var(--font-size-base);
}

.section--dark .card__text {
  color: rgba(255, 255, 255, 0.6);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* ========================================
   Steps (vertical - how-it-works)
   ======================================== */

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.step:last-child { border-bottom: none; }

.step__number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent-glow);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 900;
}

.step__number::after { display: none; }

.step__content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
  color: var(--color-text-dark);
}

.step__content p {
  color: var(--color-text-secondary-dark);
  line-height: 1.7;
}

/* ========================================
   Service detail (services page)
   ======================================== */

.service-detail {
  display: flex;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-12) 0;
}

.service-detail:nth-child(even) {
  flex-direction: row-reverse;
}

.service-detail__visual { flex: 1; min-width: 0; }
.service-detail__content { flex: 1; min-width: 0; }

.service-detail__content h3 {
  margin-bottom: var(--space-4);
  color: var(--color-text-dark);
}

.service-detail__content p {
  color: var(--color-text-secondary-dark);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.service-detail__content ul { list-style: none; }

.service-detail__content li {
  padding: var(--space-3) 0;
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text-secondary-dark);
}

.service-detail__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.visual-box {
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-xl);
  padding: var(--space-10);
  text-align: center;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.section--alt .visual-box {
  background: #fff;
}

.visual-box__icon {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-accent);
}

.visual-box__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   Data Table
   ======================================== */

.data-table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background: #fff;
}

.data-table thead {
  background: var(--color-bg-light-alt);
}

.data-table th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-weight: 700;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary-dark);
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border-light);
}

.data-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
  color: var(--color-text-secondary-dark);
}

.data-table td strong { color: var(--color-text-dark); }

.data-table tbody tr:hover {
  background-color: var(--color-bg-light-alt);
}

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

.score {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: 50px;
  font-weight: 700;
  font-size: var(--font-size-xs);
}

.score--high { background: rgba(34, 197, 94, 0.12); color: #16a34a; }
.score--medium { background: rgba(234, 179, 8, 0.12); color: #ca8a04; }
.score--low { background: rgba(239, 68, 68, 0.12); color: #dc2626; }

.priority-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.priority-badge--high { background: rgba(34, 197, 94, 0.12); color: #16a34a; }
.priority-badge--medium { background: rgba(234, 179, 8, 0.12); color: #ca8a04; }
.priority-badge--low { background: rgba(102, 102, 102, 0.12); color: #666; }

/* ========================================
   Feature list
   ======================================== */

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
  transition: background var(--transition-base);
}

.feature-item:hover {
  background: var(--color-bg-light-alt);
}

.feature-item__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius);
  background: var(--color-accent-glow);
  border: 1px solid rgba(241, 95, 35, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
}

.feature-item__text h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text-dark);
}

.feature-item__text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========================================
   Value cards (about page)
   ======================================== */

.value-card {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.value-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-accent-glow);
  border: 1px solid rgba(241, 95, 35, 0.2);
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--font-size-2xl);
  font-weight: 800;
}

/* ========================================
   Pricing
   ======================================== */

.pricing-note {
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-xl);
  padding: var(--space-12);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.pricing-note h3 {
  margin-bottom: var(--space-4);
  color: var(--color-text-dark);
}

.pricing-note p {
  color: var(--color-text-secondary-dark);
  margin-bottom: var(--space-8);
}

/* ========================================
   Animations
   ======================================== */

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .hero__visual {
    min-height: 400px;
  }

  .dashboard__card--main { width: 280px; }
  .dashboard__card--buyer { width: 240px; right: 10px; }
  .dashboard__card--email { width: 260px; }

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

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

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

@media (max-width: 768px) {
  html { font-size: 15px; }

  .navbar {
    background: rgba(255, 255, 255, 0.98);
  }

  .navbar__menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  }

  .navbar__menu.open { display: flex; }
  .navbar__toggle { display: flex; }
  .navbar__cta { margin-left: 0; }

  .hero {
    min-height: auto;
    padding: calc(80px + var(--space-12)) 0 var(--space-12);
  }

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

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__visual {
    min-height: 350px;
  }

  .dashboard__card--main {
    width: 250px;
    padding: var(--space-4);
  }

  .dashboard__card--buyer {
    width: 220px;
    right: 0;
    padding: var(--space-4);
  }

  .dashboard__card--email {
    width: 240px;
    padding: var(--space-4);
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

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

  .service-detail,
  .service-detail:nth-child(even) {
    flex-direction: column;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

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

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

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .cta-section h2 {
    font-size: var(--font-size-4xl);
  }

  .page-header__title {
    font-size: var(--font-size-4xl);
  }

  .pipeline-vertical {
    padding-left: 50px;
  }

  .pipeline-vertical__dot {
    left: -39px;
  }
}

/* ========================================
   How-it-works: Horizontal 4-step cards
   ======================================== */

.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.how-step {
  flex: 1;
  max-width: 260px;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-xl);
  transition: all var(--transition-base);
}

.how-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--color-accent);
}

.how-step__number {
  font-size: var(--font-size-sm);
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.how-step__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.how-step__title {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.how-step__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary-dark);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.how-step__detail {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.8;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.how-step__arrow {
  display: flex;
  align-items: center;
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
  padding: 0 var(--space-2);
  margin-top: var(--space-16);
  font-weight: 300;
}

@media (max-width: 1024px) {
  .how-steps {
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
  }

  .how-step {
    flex: 0 0 calc(50% - var(--space-4));
    max-width: none;
  }

  .how-step__arrow {
    display: none;
  }
}

@media (max-width: 480px) {
  .how-step {
    flex: 0 0 100%;
  }
}

/* ========================================
   Step Form Page
   ======================================== */

.navbar--form {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--color-border-light);
}

.btn--ghost {
  background: none;
  border: none;
  color: var(--color-text-secondary-dark);
  padding: var(--space-2) var(--space-4);
  font-weight: 600;
  cursor: pointer;
}

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

.form-page {
  min-height: 100vh;
  padding-top: 80px;
  background: var(--color-bg-light);
}

.form-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 80px);
}

/* Sidebar */
.form-sidebar {
  background: var(--color-bg-dark);
  color: #fff;
  padding: var(--space-12) var(--space-10);
  display: flex;
  align-items: center;
  position: sticky;
  top: 80px;
  height: calc(100vh - 80px);
  overflow-y: auto;
}

.form-sidebar__content {
  max-width: 400px;
}

.form-sidebar__label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.form-sidebar h2 {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.form-sidebar p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  font-size: var(--font-size-base);
}

.form-sidebar__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.form-sidebar__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.form-sidebar__feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
  background: rgba(241, 95, 35, 0.15);
  border: 1px solid rgba(241, 95, 35, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--color-accent);
  flex-shrink: 0;
}

.form-sidebar__case {
  margin-top: var(--space-8);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
}

.form-sidebar__case-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.form-sidebar__case p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.form-sidebar__stat-row {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.form-sidebar__stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.form-sidebar__stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-top: var(--space-1);
}

/* Form main */
.form-main {
  padding: var(--space-10) var(--space-12);
  display: flex;
  flex-direction: column;
}

.form-progress {
  margin-bottom: var(--space-8);
}

.form-progress__bar {
  height: 3px;
  background: var(--color-border-light);
  border-radius: 2px;
  overflow: hidden;
}

.form-progress__fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Steps */
.form-step {
  display: none;
  flex: 1;
  align-items: center;
}

.form-step.active {
  display: flex;
}

.form-step__content {
  max-width: 500px;
  width: 100%;
}

.form-step__number {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.form-step h2 {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.form-step h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.form-step__desc {
  color: var(--color-text-secondary-dark);
  margin-bottom: var(--space-8);
}

.form-step__hint {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Options */
.form-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  text-align: left;
  width: 100%;
}

.form-option:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.form-option.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.form-option__key {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 800;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.form-option.selected .form-option__key {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* Form fields */
.form-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-field label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.form-field__required {
  color: var(--color-accent);
}

.form-field__optional {
  color: var(--color-text-muted);
  font-weight: 400;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  background: #fff;
  transition: border-color var(--transition-fast);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-text-muted);
}

.form-consent {
  padding: var(--space-4) 0;
}

.form-consent label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary-dark);
  cursor: pointer;
}

.form-consent input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-accent);
}

/* Complete icon */
.form-complete-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 900;
  margin: 0 auto var(--space-8);
}

/* Form navigation */
.form-nav {
  padding: var(--space-4) 0;
}

@media (max-width: 1024px) {
  .form-layout {
    grid-template-columns: 1fr;
  }

  .form-sidebar {
    position: static;
    height: auto;
    padding: var(--space-8) var(--space-6);
  }

  .form-main {
    padding: var(--space-8) var(--space-6);
  }
}

@media (max-width: 768px) {
  .form-sidebar {
    padding: var(--space-6) var(--space-4);
  }

  .form-sidebar h2 {
    font-size: var(--font-size-2xl);
  }

  .form-main {
    padding: var(--space-6) var(--space-4);
  }
}

/* ========================================
   Case Study
   ======================================== */

.case-study-block {
  max-width: 900px;
  margin: 0 auto;
}

.case-study-block__label {
  font-size: var(--font-size-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.case-study-block h2 {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  margin-bottom: var(--space-8);
  letter-spacing: -0.03em;
}

.case-study-block__content p {
  color: var(--color-text-secondary-dark);
  line-height: 1.8;
  font-size: var(--font-size-lg);
}

.section--dark .case-study-block__content p {
  color: rgba(255, 255, 255, 0.6);
}

.section--dark .case-study-block h2 {
  color: #fff;
}

/* Highlights grid */
.case-study-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.case-study-highlight {
  padding: var(--space-5);
  background: var(--color-bg-light-alt);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
}

.case-study-highlight__title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.case-study-highlight__value {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-dark);
}

/* Challenges */
.challenge-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.challenge-item {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.challenge-item__number {
  flex-shrink: 0;
  font-size: var(--font-size-2xl);
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.4;
  min-width: 40px;
}

.challenge-item h4 {
  font-size: var(--font-size-lg);
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--color-text-dark);
}

.challenge-item p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary-dark);
  line-height: 1.7;
}

/* Process timeline */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.process-step {
  position: relative;
  padding-left: var(--space-16);
}

.process-step__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.process-step__number {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  font-weight: 900;
}

.process-step__time {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.process-step h4 {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-3);
}

.process-step p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

.process-step__detail {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(241, 95, 35, 0.1);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.process-step__detail span {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
}

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

.result-item {
  text-align: center;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
}

.result-item__number {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.03em;
}

.result-item__number span {
  font-size: var(--font-size-xl);
  color: var(--color-accent);
}

.result-item__label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-1);
}

.result-item__desc {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* Insight cards */
.insight-card {
  padding: var(--space-6);
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
}

.insight-card h4 {
  font-size: var(--font-size-base);
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.insight-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary-dark);
  line-height: 1.7;
}

/* Case study preview (for index page) */
.case-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.case-preview__visual {
  background: var(--color-bg-light-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
}

.case-preview__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.case-preview__stat {
  text-align: center;
  padding: var(--space-4);
}

.case-preview__stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.case-preview__stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

@media (max-width: 768px) {
  .case-study-highlights {
    grid-template-columns: 1fr;
  }

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

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

  .challenge-item {
    flex-direction: column;
    gap: var(--space-2);
  }

  .process-step {
    padding-left: var(--space-12);
  }
}

@media (max-width: 480px) {
  .result-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Responsive (global overrides)
   ======================================== */

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

  .section {
    padding: var(--space-16) 0;
  }

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

  .hero__visual {
    display: none;
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .footer__watermark {
    font-size: 20vw;
  }
}