/* ============================================
   Buhpilot — B2B Landing Page
   Mobile-First Responsive Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Primary palette */
  --color-primary: #1a3a6b;
  --color-primary-dark: #0f2647;
  --color-primary-light: #2a5298;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;

  /* Neutrals */
  --color-white: #ffffff;
  --color-bg: #f8f9fb;
  --color-card: #ffffff;
  --color-border: #e2e6ed;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-light: #94a3b8;

  /* Feedback */
  --color-success: #16a34a;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Spacing */
  --section-py: 56px;
  --container-px: 16px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Transitions */
  --transition: 0.25s ease;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-px);
}

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

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

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

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

.btn--outline {
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

.btn--outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background: #f1f5f9;
  transform: translateY(-1px);
}

.btn--sm {
  min-height: 44px;
  padding: 10px 20px;
  font-size: 0.875rem;
}

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

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 800;
  font-size: 1rem;
}

/* Navigation */
.nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: 24px var(--container-px);
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.nav.is-open {
  display: flex;
}

.nav__link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 8px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.nav__link:hover,
.nav__link:focus {
  background: var(--color-bg);
  color: var(--color-primary);
}

.nav__cta {
  margin-top: 16px;
}

/* Burger */
.burger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  position: relative;
}

.burger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.burger__line::before,
.burger__line::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.burger__line::before {
  transform: translateY(-7px);
}

.burger__line::after {
  transform: translateY(7px);
}

/* Burger open state */
.burger.is-open .burger__line {
  background: transparent;
}

.burger.is-open .burger__line::before {
  transform: rotate(45deg);
}

.burger.is-open .burger__line::after {
  transform: rotate(-45deg);
}

.header__cta-desktop {
  display: none;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  pointer-events: none;
}

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

.hero__badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero__title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

/* ============================================
   ADVANTAGES
   ============================================ */
.advantages__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.advantage-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.advantage-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: #eef2ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.advantage-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.advantage-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* ============================================
   SOLUTIONS (Catalog)
   ============================================ */
/* Tabs */
.solutions__tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
}

.solutions__tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex-shrink: 0;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-white);
  transition: all var(--transition);
  white-space: nowrap;
}

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

.tab-btn.is-active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* Solution cards grid */
.solutions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.solution-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.solution-card__badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #eef2ff;
  color: var(--color-accent);
  border-radius: 20px;
  margin-bottom: 14px;
}

.solution-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.solution-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.55;
}

.solution-card__features {
  margin-bottom: 20px;
  flex-grow: 1;
}

.solution-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text);
  padding: 4px 0;
}

.solution-card__feature::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background: var(--color-success);
  border-radius: 50%;
  /* CSS checkmark */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.solution-card__link {
  margin-top: auto;
}

/* ============================================
   STEPS (Timeline)
   ============================================ */
.steps__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 20px;
  position: relative;
  padding-bottom: 36px;
}

.step:last-child {
  padding-bottom: 0;
}

/* Vertical line */
.step::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.step:last-child::before {
  display: none;
}

.step__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.step__content {
  padding-top: 4px;
}

.step__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.step__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* ============================================
   FAQ (Accordion)
   ============================================ */
.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item.is-open {
  box-shadow: var(--shadow-sm);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 56px;
  padding: 16px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: transparent;
  transition: color var(--transition);
}

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

.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform var(--transition);
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  border-radius: 1px;
}

.faq-item__icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-item__icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
  transition: transform var(--transition);
}

.faq-item.is-open .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item__answer-inner {
  padding: 0 20px 20px;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  text-align: center;
}

.cta__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta__text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}

.input {
  min-height: 48px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.9375rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

.input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.input:focus {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.18);
}

.cta__note {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 12px;
}

/* ============================================
   CTA BANNER (reusable)
   ============================================ */
.cta-banner {
  padding: var(--section-py) 0;
}

.solution-page .cta-banner {
  padding: 40px 0 0;
}

.cta-banner__inner {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0f2647 0%, #1a3a6b 40%, #2a5298 100%);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--color-white);
}

.cta-banner__glow {
  position: absolute;
  top: -60%;
  right: -20%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner__content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.cta-banner__badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.cta-banner__title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}

.cta-banner__text {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 32px;
}

.cta-banner__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-bottom: 28px;
}

.cta-banner__btn {
  min-width: 200px;
  gap: 10px;
}

.cta-banner__btn-icon {
  font-size: 1.125rem;
  line-height: 1;
}

.btn--outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

.cta-banner__trust {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.cta-banner__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

.cta-banner__check {
  color: #4ade80;
  font-weight: 700;
  font-size: 0.875rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 40px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer__brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
}

.footer__heading {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  margin-bottom: 10px;
}

.footer__contact-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ============================================
   SOLUTION PAGE (solution.html)
   ============================================ */
.solution-page {
  padding-top: 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 24px;
  min-height: 44px;
  transition: color var(--transition);
}

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

.back-link__arrow {
  font-size: 1.25rem;
  line-height: 1;
}

.solution-header {
  margin-bottom: 32px;
}

.solution-header__badge {
  display: inline-block;
  padding: 5px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: #eef2ff;
  color: var(--color-accent);
  border-radius: 20px;
  margin-bottom: 12px;
}

.solution-header__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.solution-header__desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 640px;
}

.solution-hero-image {
  margin-bottom: 32px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.solution-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  object-fit: cover;
  max-height: 480px;
}

.solution-hero-image__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 320px;
  background: var(--color-bg);
  border: 2px dashed #d0d5dd;
  border-radius: var(--radius-md);
  color: #98a2b3;
}

.solution-hero-image__placeholder span {
  font-size: 0.9375rem;
  font-weight: 500;
}

.solution-features {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  margin-bottom: 40px;
}

.solution-features__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.solution-features__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.solution-features__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.55;
}

.solution-features__item::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  background: var(--color-success);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

/* Lead form on solution page */
.lead-form {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  margin-bottom: 40px;
}

.lead-form__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.lead-form__subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.lead-form__fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input--dark {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.input--dark::placeholder {
  color: var(--color-text-light);
}

.input--dark:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
}

/* ============================================
   TABLET: >= 768px
   ============================================ */
@media (min-width: 768px) {
  :root {
    --section-py: 72px;
    --container-px: 24px;
  }

  .section-title {
    font-size: 2rem;
  }

  /* Header */
  .burger {
    display: none;
  }

  .nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    padding: 0;
    background: transparent;
  }

  .nav__cta {
    display: none;
  }

  .header__cta-desktop {
    display: inline-flex;
  }

  .nav__link {
    min-height: 40px;
    padding: 6px 14px;
    font-size: 0.875rem;
  }

  /* Hero */
  .hero {
    padding: 80px 0 72px;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__actions {
    flex-direction: row;
  }

  .hero__stat-value {
    font-size: 1.75rem;
  }

  /* Advantages */
  .advantages__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* Solutions */
  .solutions__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* CTA Banner */
  .cta-banner__inner {
    padding: 56px 40px;
  }

  .cta-banner__title {
    font-size: 1.75rem;
  }

  .cta-banner__actions {
    flex-direction: row;
  }

  .cta-banner__trust {
    flex-direction: row;
    gap: 24px;
  }

  /* CTA */
  .cta__title {
    font-size: 1.75rem;
  }

  .cta__form {
    flex-direction: row;
    max-width: 600px;
  }

  .cta__form .input {
    flex: 1;
  }

  .cta__form .btn {
    flex-shrink: 0;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  /* Solution page form */
  .lead-form__fields {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .lead-form__fields .input {
    flex: 1;
    min-width: 180px;
  }

  .lead-form__fields .btn {
    flex-shrink: 0;
  }
}

/* ============================================
   DESKTOP: >= 1024px
   ============================================ */
@media (min-width: 1024px) {
  :root {
    --section-py: 88px;
    --container-px: 32px;
  }

  .section-title {
    font-size: 2.25rem;
  }

  /* Hero */
  .hero {
    padding: 100px 0 88px;
  }

  .hero__title {
    font-size: 3rem;
  }

  .hero__subtitle {
    font-size: 1.125rem;
  }

  /* Advantages */
  .advantages__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Solutions */
  .solutions__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Steps: horizontal */
  .steps__list {
    flex-direction: row;
    max-width: 100%;
    gap: 0;
  }

  .step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding-bottom: 0;
    gap: 16px;
  }

  /* Horizontal line */
  .step::before {
    top: 23px;
    left: 72px;
    right: -24px;
    bottom: auto;
    width: auto;
    height: 2px;
  }

  .step:last-child::before {
    display: none;
  }

  /* CTA Banner */
  .cta-banner__inner {
    padding: 64px 48px;
  }

  .cta-banner__title {
    font-size: 2rem;
  }

  /* CTA */
  .cta__title {
    font-size: 2rem;
  }

  /* Solution page */
  .solution-header__title {
    font-size: 2.25rem;
  }

  .solution-features__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
  }
}

/* ============================================
   WIDE DESKTOP: >= 1280px
   ============================================ */
@media (min-width: 1280px) {
  .hero__title {
    font-size: 3.25rem;
  }
}