/* ===========================
   Campus Landing Page — Styles
   =========================== */

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

:root {
  --mint: #B5FBDD;
  --mint-dark: #8EECC5;
  --mint-light: #D4FDE9;
  --mint-subtle: rgba(181, 251, 221, 0.12);
  --teal: #004156;
  --teal-light: #005A75;
  --teal-dark: #003344;
  --dark: #0A1628;
  --dark-light: #132035;
  --dark-lighter: #1B2A42;
  --gray-900: #0F1A2E;
  --gray-800: #1E2D45;
  --gray-700: #334563;
  --gray-600: #516580;
  --gray-500: #7B8FA6;
  --gray-400: #A3B3C6;
  --gray-300: #CDD6E0;
  --gray-200: #E4E9F0;
  --gray-100: #F2F4F7;
  --gray-50: #F8F9FB;
  --white: #FFFFFF;
  --green: #34D399;
  --blue: #60A5FA;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
.text-mint {
  background: linear-gradient(135deg, var(--mint) 0%, var(--mint-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--teal);
  background: var(--mint-subtle);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  border: 1px solid rgba(181, 251, 221, 0.25);
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn--primary:hover {
  background: var(--teal-light);
  border-color: var(--teal-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 65, 86, 0.35);
}

.btn--secondary {
  background: var(--mint);
  color: var(--teal);
  border-color: var(--mint);
}
.btn--secondary:hover {
  background: var(--mint-dark);
  border-color: var(--mint-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(181, 251, 221, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--dark);
  border-color: var(--gray-300);
}
.btn--outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(0, 65, 86, 0.04);
}

.btn--ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: transparent;
}
.btn--ghost:hover {
  color: var(--teal);
  background: var(--gray-100);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--outline-white:hover {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(181, 251, 221, 0.08);
}

.btn--sm { padding: 8px 20px; font-size: 14px; }
.btn--lg { padding: 16px 36px; font-size: 16px; }
.btn--full { width: 100%; }

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  padding: 12px 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  z-index: 10;
}

.logo__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--teal);
  color: var(--mint);
  font-size: 18px;
  font-weight: 800;
  border-radius: var(--radius-sm);
}

.logo__text {
  color: var(--dark);
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: width var(--transition);
}

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

.nav__link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 10;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: all var(--transition);
  border-radius: 2px;
}

.burger--active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger--active span:nth-child(2) {
  opacity: 0;
}
.burger--active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu--open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mobile-menu__link {
  font-size: 24px;
  font-weight: 600;
  color: var(--dark);
  transition: color var(--transition);
}

.mobile-menu__link:hover {
  color: var(--teal);
}

.mobile-menu__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  width: 100%;
}

.mobile-menu__actions .btn {
  width: 100%;
  justify-content: center;
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
  background: linear-gradient(180deg, #F0FEFA 0%, var(--white) 100%);
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.hero__shape--1 {
  width: 700px;
  height: 700px;
  background: var(--mint);
  top: -300px;
  right: -200px;
  opacity: 0.15;
}

.hero__shape--2 {
  width: 500px;
  height: 500px;
  background: var(--mint-light);
  bottom: -200px;
  left: -150px;
  opacity: 0.12;
}

.hero__shape--3 {
  width: 300px;
  height: 300px;
  background: var(--teal);
  top: 40%;
  left: 45%;
  opacity: 0.04;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal);
  background: var(--white);
  border: 1px solid rgba(181, 251, 221, 0.5);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 32px;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero__stat-number {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--teal);
}

.hero__stat-label {
  font-size: 13px;
  color: var(--gray-500);
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

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

.hero__dashboard {
  background: var(--dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(181, 251, 221, 0.08);
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__dashboard:hover {
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
}

.hero__dashboard-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--dark-light);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.hero__dashboard-dots {
  display: flex;
  gap: 6px;
}

.hero__dashboard-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-700);
}

.hero__dashboard-dots span:nth-child(1) { background: #FF6B6B; }
.hero__dashboard-dots span:nth-child(2) { background: #FFD93D; }
.hero__dashboard-dots span:nth-child(3) { background: #6BCB77; }

.hero__dashboard-title {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
}

.hero__dashboard-body {
  display: grid;
  grid-template-columns: 56px 1fr;
  min-height: 280px;
}

.hero__dashboard-sidebar {
  background: var(--dark-light);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid rgba(255,255,255,0.04);
}

.hero__dash-nav-item {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
}

.hero__dash-nav-item--active {
  background: rgba(181, 251, 221, 0.12);
  border: 1px solid rgba(181, 251, 221, 0.2);
}

.hero__dashboard-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero__dash-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.hero__dash-card {
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.04);
}

.hero__dash-card-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.hero__dash-card-icon--mint { background: rgba(181, 251, 221, 0.2); }
.hero__dash-card-icon--blue { background: rgba(96, 165, 250, 0.2); }
.hero__dash-card-icon--green { background: rgba(52, 211, 153, 0.2); }

.hero__dash-card-lines { display: flex; flex-direction: column; gap: 6px; }

.hero__dash-line {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
}

.hero__dash-line--short { width: 40%; }
.hero__dash-line--long { width: 70%; }

.hero__dash-chart {
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.04);
}

.hero__dash-chart-svg {
  width: 100%;
  height: auto;
}

.hero__dash-table {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero__dash-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.02);
  border-radius: 6px;
}

.hero__dash-cell {
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
}

.hero__dash-cell--tag {
  width: 48px;
  background: rgba(181, 251, 221, 0.15);
}

.hero__dash-cell--tag-green {
  background: rgba(52, 211, 153, 0.15);
}

/* --- Problem Section --- */
.problem {
  padding: 100px 0;
  background: var(--white);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem__card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition);
}

.problem__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.problem__emoji {
  font-size: 40px;
  margin-bottom: 16px;
  line-height: 1;
}

.problem__card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.problem__card-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-600);
}

.problem__arrow {
  text-align: center;
  margin-top: 48px;
}

.problem__arrow-text {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--teal);
  background: rgba(181, 251, 221, 0.15);
  padding: 16px 32px;
  border-radius: 100px;
  border: 1px solid rgba(181, 251, 221, 0.3);
}

/* --- Features --- */
.features {
  padding: 100px 0;
  background: var(--gray-50);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: rgba(0, 65, 86, 0.3);
  box-shadow: 0 8px 30px rgba(0, 65, 86, 0.08);
  transform: translateY(-4px);
}

.feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(181, 251, 221, 0.25) 0%, rgba(0, 65, 86, 0.08) 100%);
  color: var(--teal);
  margin-bottom: 20px;
}

.feature-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.feature-card__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-600);
}

/* --- How It Works --- */
.how-it-works {
  padding: 100px 0;
  background: var(--white);
}

.steps {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  width: 100%;
}

.step__number {
  flex-shrink: 0;
  font-size: 48px;
  font-weight: 800;
  color: var(--mint);
  line-height: 1;
  opacity: 0.7;
  min-width: 72px;
}

.step__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.step__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-600);
}

.step__connector {
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--mint), transparent);
  opacity: 0.4;
  margin: 16px 0 16px 35px;
}

/* --- Advantages --- */
.advantages {
  padding: 100px 0;
  background: var(--teal);
}

.advantages .section-label {
  color: var(--mint);
  background: rgba(181, 251, 221, 0.1);
  border-color: rgba(181, 251, 221, 0.2);
}

.advantages .section-title {
  color: var(--white);
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
}

.advantage:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(181, 251, 221, 0.25);
  transform: translateY(-2px);
}

.advantage__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(181, 251, 221, 0.12);
  color: var(--mint);
  margin-bottom: 20px;
}

.advantage__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.advantage__text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
}

/* --- Pricing --- */
.pricing {
  padding: 100px 0;
  background: var(--gray-50);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--teal);
  box-shadow: 0 8px 30px rgba(0, 65, 86, 0.12);
  transform: scale(1.04);
}

.pricing-card--featured:hover {
  transform: scale(1.04) translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 65, 86, 0.2);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card__header {
  margin-bottom: 24px;
}

.pricing-card__name {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.pricing-card__desc {
  font-size: 14px;
  color: var(--gray-500);
}

.pricing-card__price {
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-card__amount {
  font-size: 40px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.pricing-card__currency {
  font-size: 15px;
  color: var(--gray-500);
  font-weight: 500;
}

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-700);
}

.pricing-card__features li svg {
  flex-shrink: 0;
}

/* --- Testimonials --- */
.testimonials {
  padding: 100px 0;
  background: var(--white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all var(--transition);
}

.testimonial:hover {
  border-color: rgba(0, 65, 86, 0.2);
  box-shadow: 0 4px 20px rgba(0, 65, 86, 0.06);
}

.testimonial__stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}

.testimonial__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  color: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
}

.testimonial__role {
  font-size: 13px;
  color: var(--gray-500);
}

/* --- CTA --- */
.cta {
  padding: 100px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.cta__bg-shape {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: var(--teal);
  filter: blur(120px);
  opacity: 0.15;
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.cta__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.cta__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta__text {
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: 32px;
}

.cta__actions {
  margin-bottom: 16px;
}

.cta__note {
  font-size: 13px;
  color: var(--gray-500);
}

.cta__form-wrapper {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.cta__form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.cta__form-subtitle {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 14px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition);
}

.form-input::placeholder {
  color: var(--gray-500);
}

.form-input:focus {
  border-color: var(--mint);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(181, 251, 221, 0.1);
}

/* --- Footer --- */
.footer {
  padding: 60px 0 0;
  background: var(--dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
}

.footer .logo__icon {
  background: rgba(181, 251, 221, 0.15);
  color: var(--mint);
}

.footer .logo__text {
  color: var(--white);
}

.footer__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-500);
  margin-top: 16px;
  max-width: 280px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__link {
  display: block;
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__copy {
  font-size: 13px;
  color: var(--gray-600);
}

.footer__legal {
  display: flex;
  gap: 24px;
}

.footer__legal-link {
  font-size: 13px;
  color: var(--gray-600);
  transition: color var(--transition);
}

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

/* --- Animations --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation for grid children */
.features__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.features__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.08s; }
.features__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.16s; }
.features__grid .animate-on-scroll:nth-child(4) { transition-delay: 0.24s; }
.features__grid .animate-on-scroll:nth-child(5) { transition-delay: 0.32s; }
.features__grid .animate-on-scroll:nth-child(6) { transition-delay: 0.4s; }

.problem__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.problem__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.problem__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

.advantages__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.advantages__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.08s; }
.advantages__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.16s; }
.advantages__grid .animate-on-scroll:nth-child(4) { transition-delay: 0.24s; }
.advantages__grid .animate-on-scroll:nth-child(5) { transition-delay: 0.32s; }
.advantages__grid .animate-on-scroll:nth-child(6) { transition-delay: 0.4s; }

.pricing__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.pricing__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.pricing__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

.testimonials__grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.testimonials__grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.testimonials__grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__dashboard {
    transform: perspective(1200px) rotateY(0deg) rotateX(3deg);
    max-width: 560px;
    margin: 0 auto;
  }

  .hero__dashboard:hover {
    transform: perspective(1200px) rotateY(0deg) rotateX(1deg);
  }

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

  .problem__grid > :last-child {
    grid-column: span 2;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }

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

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

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

  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }

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

  .testimonials__grid .testimonial:last-child {
    grid-column: span 2;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .cta__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav { display: none; }
  .header__actions { display: none; }
  .burger { display: flex; }

  .header__cta-btn { display: none; }

  .hero {
    padding: 120px 0 60px;
  }

  .hero__title {
    font-size: 36px;
  }

  .hero__subtitle {
    font-size: 16px;
  }

  .hero__stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero__stat-divider {
    display: none;
  }

  .hero__stat {
    flex: 1;
    min-width: 80px;
  }

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

  .problem__grid > :last-child {
    grid-column: span 1;
    max-width: none;
  }

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

  .features {
    padding: 72px 0;
  }

  .problem {
    padding: 72px 0;
  }

  .how-it-works {
    padding: 72px 0;
  }

  .step {
    flex-direction: column;
    gap: 12px;
    align-items: center;
    text-align: center;
  }

  .step__connector {
    margin: 12px auto;
  }

  .advantages {
    padding: 72px 0;
  }

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

  .pricing {
    padding: 72px 0;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card:last-child {
    grid-column: span 1;
    max-width: none;
  }

  .pricing-card--featured {
    transform: none;
  }

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

  .testimonials {
    padding: 72px 0;
  }

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

  .testimonials__grid .testimonial:last-child {
    grid-column: span 1;
    max-width: none;
  }

  .cta {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer__legal {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__dash-cards {
    grid-template-columns: 1fr;
  }

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

  .pricing-card {
    padding: 28px 24px;
  }

  .feature-card {
    padding: 28px 24px;
  }
}