/* ============================================================
   EDUKALIA — INDEX PAGE
   Aligned with the project's design language:
   - White/light backgrounds, no dark mode
   - Green #22C55E / #16A34A brand
   - Inter body + Poppins headings
   - Cards: white, rounded-3xl, border-gray-100, shadow
   - Section alternation: white → gray-50 → green-50
   ============================================================ */

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

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: #374151;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  line-height: 1.18;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

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

/* ============================================================
   NAV — frosted white glass (matches edukalia-ai)
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #E5E7EB;
  height: 64px;
  transition: box-shadow 0.25s ease;
}

.site-nav.nav-scrolled {
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: #111827;
}

.nav-logo-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: #16A34A;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
}

.nav-logo-accent { color: #16A34A; }

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #6B7280;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: #111827; background: #F3F4F6; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  margin-left: 8px;
  border-radius: 999px;
  background: #16A34A;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.30);
}
.nav-cta:hover {
  background: #15803D;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.40);
}

/* Mobile toggle */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  cursor: pointer;
  padding: 9px;
}
.nav-mobile-toggle span {
  display: block; width: 100%; height: 2px;
  background: #374151; border-radius: 2px;
  transition: transform 0.18s, opacity 0.18s;
}
.nav-mobile-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-mobile-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-mobile-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid #E5E7EB;
  padding: 12px 20px 20px;
  z-index: 99;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  animation: menu-slide 0.2s ease;
}
.nav-mobile-menu.is-open { display: flex; }

@keyframes menu-slide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-mobile-link {
  display: block;
  padding: 11px 14px;
  border-radius: 8px;
  font-weight: 500;
  color: #6B7280;
  transition: color 0.15s, background 0.15s;
}
.nav-mobile-link:hover { color: #111827; background: #F3F4F6; }

.nav-mobile-cta {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 10px; padding: 13px;
  border-radius: 12px;
  background: #16A34A;
  color: #fff; font-weight: 700;
}

/* ============================================================
   HERO — white + gradient blobs (matches edukalia-ai hero)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 96px 24px 80px;
  overflow: hidden;
  background: linear-gradient(135deg, #F0FDF4 0%, #FFFFFF 50%, #EFF6FF 100%);
}

/* Decorative blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: blob-drift 14s ease-in-out infinite;
}
.hero-blob--green {
  width: 480px; height: 480px;
  background: rgba(134, 239, 172, 0.45);
  top: -100px; right: -60px;
  animation-delay: 0s;
}
.hero-blob--blue {
  width: 380px; height: 380px;
  background: rgba(147, 197, 253, 0.35);
  bottom: 0; left: -40px;
  animation-delay: -5s;
}
.hero-blob--yellow {
  width: 260px; height: 260px;
  background: rgba(253, 224, 71, 0.25);
  top: 30%; right: 20%;
  animation-delay: -9s;
}

@keyframes blob-drift {
  0%,100% { transform: translate(0,0); }
  33%      { transform: translate(20px,-15px); }
  66%      { transform: translate(-15px,20px); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Hero text side */
.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #15803D;
  background: #DCFCE7;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  color: #111827;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.hero-title-gradient {
  background: linear-gradient(to right, #16A34A, #0EA5E9);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: #6B7280;
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  background: #16A34A;
  color: #fff;
  font-weight: 700; font-size: 1rem;
  box-shadow: 0 6px 20px rgba(22,163,74,0.35);
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  position: relative; overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transition: left 0.5s;
}
.btn-primary:hover::after { left: 150%; }
.btn-primary:hover {
  background: #15803D;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(22,163,74,0.40);
}

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid #E5E7EB;
  color: #374151;
  font-weight: 700; font-size: 1rem;
  background: #fff;
  transition: border-color 0.15s, color 0.15s, transform 0.15s;
}
.btn-outline:hover {
  border-color: #16A34A;
  color: #16A34A;
  transform: translateY(-2px);
}

/* Subject bubbles (like edukalia-ai) */
.hero-subjects {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-subjects-label {
  font-size: 0.83rem;
  color: #9CA3AF;
  margin-right: 4px;
}

.subject-bubble {
  width: 34px; height: 34px;
  border-radius: 999px;
  border: 2px solid #fff;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.75rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.subject-bubble--green  { background: #22C55E; }
.subject-bubble--blue   { background: #3B82F6; }
.subject-bubble--purple { background: #8B5CF6; }
.subject-bubble--red    { background: #EF4444; }
.subject-bubble--amber  { background: #F59E0B; }
.subject-bubble--indigo { background: #6366F1; }

/* Hero mockup side */
.hero-mockup {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

.mockup-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.14);
  border: 1px solid #F3F4F6;
  padding: 28px;
  width: 100%;
  max-width: 380px;
  position: relative;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.mockup-blob-1 {
  position: absolute; top: -24px; right: -24px;
  width: 140px; height: 140px;
  background: #BBF7D0; border-radius: 50%; opacity: 0.7;
}
.mockup-blob-2 {
  position: absolute; bottom: -12px; left: -12px;
  width: 90px; height: 90px;
  background: #BFDBFE; border-radius: 50%; opacity: 0.7;
}

.mockup-header {
  display: flex; align-items: center; gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid #F3F4F6;
  margin-bottom: 20px;
}

.mockup-avatar {
  width: 52px; height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #4ADE80, #0EA5E9);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.4rem;
}

.mockup-name {
  font-family: 'Poppins', sans-serif;
  font-weight: 700; font-size: 1rem; color: #111827;
}
.mockup-level { font-size: 0.8rem; color: #9CA3AF; }

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

.mockup-msg-user {
  align-self: flex-end;
  max-width: 88%;
  background: linear-gradient(135deg, #22C55E, #0EA5E9);
  color: #fff;
  border-radius: 18px 18px 4px 18px;
  padding: 12px 16px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.mockup-msg-ai {
  align-self: flex-start;
  max-width: 92%;
  background: #F9FAFB;
  border: 1px solid #F3F4F6;
  color: #374151;
  border-radius: 18px 18px 18px 4px;
  padding: 12px 16px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.mockup-quiz-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 16px;
  padding: 10px 16px;
  background: #FEF9C3;
  color: #854D0E;
  border-radius: 999px;
  font-size: 0.82rem; font-weight: 700;
  cursor: default;
}

/* Floating badges on mockup */
.mockup-badge {
  position: absolute;
  background: #fff;
  border: 1px solid #F3F4F6;
  border-radius: 14px;
  padding: 8px 14px;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 16px rgba(15,23,42,0.10);
  font-size: 0.78rem; font-weight: 600; color: #374151;
  animation: float 7s ease-in-out infinite;
  white-space: nowrap;
}
.mockup-badge--tl { top: -16px; left: -20px; animation-delay: -2s; }
.mockup-badge--br { bottom: 20px; right: -24px; animation-delay: -4s; }

.badge-dot {
  width: 26px; height: 26px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
}
.badge-dot--green  { background: #DCFCE7; color: #15803D; }
.badge-dot--purple { background: #EDE9FE; color: #7C3AED; }

/* ============================================================
   PRODUCTS SECTION — white bg, clean cards
   ============================================================ */
.products-section {
  padding: 80px 24px;
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: #15803D; background: #DCFCE7;
  padding: 5px 14px; border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: #6B7280;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

/* Product card — clean white card matching edukalia-ai style */
.product-card {
  background: #fff;
  border-radius: 24px;
  border: 1px solid #F3F4F6;
  padding: 36px 28px;
  box-shadow: 0 4px 16px rgba(15,23,42,0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(15,23,42,0.12);
}

.product-card--green:hover  { border-color: #86EFAC; }
.product-card--purple:hover { border-color: #C4B5FD; }
.product-card--blue:hover   { border-color: #93C5FD; }

/* Decorative corner */
.product-card-corner {
  position: absolute;
  top: 0; right: 0;
  width: 120px; height: 120px;
  border-radius: 0 24px 0 100%;
  opacity: 0.5;
  transition: transform 0.3s ease;
}
.product-card:hover .product-card-corner { transform: scale(1.15); }
.product-card--green  .product-card-corner { background: #F0FDF4; }
.product-card--purple .product-card-corner { background: #F5F3FF; }
.product-card--blue   .product-card-corner { background: #EFF6FF; }

/* Card badge */
.product-badge {
  position: absolute; top: 20px; right: 20px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px;
}
.badge--green  { background: #DCFCE7; color: #15803D; }
.badge--purple { background: #EDE9FE; color: #6D28D9; }
.badge--blue   { background: #DBEAFE; color: #1D4ED8; }

/* Icon */
.product-icon {
  width: 62px; height: 62px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  position: relative; z-index: 1;
  transition: transform 0.22s ease;
}
.product-card:hover .product-icon { transform: scale(1.08) rotate(-4deg); }

.product-icon--green  { background: #DCFCE7; color: #15803D; }
.product-icon--purple { background: #EDE9FE; color: #7C3AED; }
.product-icon--blue   { background: #DBEAFE; color: #1D4ED8; }

.product-name {
  font-size: 1.3rem; font-weight: 700; color: #111827;
  margin-bottom: 10px;
  position: relative; z-index: 1;
}
.product-desc {
  font-size: 0.875rem; color: #6B7280; line-height: 1.7;
  margin-bottom: 22px; flex-grow: 1;
  position: relative; z-index: 1;
}

.product-features {
  display: flex; flex-direction: column; gap: 7px;
  margin-bottom: 26px;
  position: relative; z-index: 1;
}
.product-feature {
  display: flex; align-items: center; gap: 9px;
  font-size: 0.82rem; color: #6B7280;
}
.product-feature i { font-size: 0.65rem; }
.product-card--green  .product-feature i { color: #22C55E; }
.product-card--purple .product-feature i { color: #8B5CF6; }
.product-card--blue   .product-feature i { color: #3B82F6; }

.product-cta {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.875rem; font-weight: 700;
  position: relative; z-index: 1;
  transition: gap 0.18s;
}
.product-cta i { font-size: 0.7rem; transition: transform 0.18s; }
.product-card:hover .product-cta i { transform: translateX(4px); }
.product-card--green  .product-cta { color: #15803D; }
.product-card--purple .product-cta { color: #7C3AED; }
.product-card--blue   .product-cta { color: #1D4ED8; }

.product-card--disabled { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

/* ============================================================
   HOW IT WORKS — bg-gray-50 (matches edukalia-ai section)
   ============================================================ */
.howto-section {
  padding: 100px 24px;
  background: #F9FAFB;
}

.howto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1060px;
  margin: 0 auto;
}

.howto-step {
  background: #fff;
  border-radius: 24px;
  border: 1px solid #F3F4F6;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(15,23,42,0.05);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.howto-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(15,23,42,0.10);
}

.howto-icon {
  width: 64px; height: 64px;
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  margin: 0 auto 20px;
  transition: transform 0.22s;
}
.howto-step:hover .howto-icon { transform: scale(1.08) rotate(-4deg); }

.howto-icon--green  { background: #DCFCE7; color: #15803D; }
.howto-icon--purple { background: #EDE9FE; color: #7C3AED; }
.howto-icon--blue   { background: #DBEAFE; color: #1D4ED8; }

.howto-number {
  display: inline-block;
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9CA3AF;
  margin-bottom: 10px;
}

.howto-title {
  font-size: 1.05rem; font-weight: 700; color: #111827;
  margin-bottom: 10px;
}
.howto-desc { font-size: 0.86rem; color: #6B7280; line-height: 1.7; }

/* ============================================================
   FEATURES — bg-green-50 (like edukalia-ai "La Diferencia")
   ============================================================ */
.features-section {
  padding: 100px 24px;
  background: #F0FDF4;
  position: relative;
  overflow: hidden;
}

.features-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 400px; height: 400px;
  background: #fff;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  pointer-events: none;
}

.features-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  max-width: 1060px;
  margin: 0 auto;
  position: relative; z-index: 1;
}

.features-text-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; color: #111827;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-text-title span { color: #16A34A; }

.features-text-lead {
  font-size: 1rem; color: #6B7280; line-height: 1.75;
  margin-bottom: 36px;
}

.features-list { display: flex; flex-direction: column; gap: 24px; }

.feature-item {
  display: flex; align-items: flex-start; gap: 16px;
}

.feature-item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: #DCFCE7;
  color: #15803D;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.feature-item-title {
  font-size: 1rem; font-weight: 700; color: #111827; margin-bottom: 4px;
}
.feature-item-desc { font-size: 0.855rem; color: #6B7280; line-height: 1.65; }

/* Feature grid on the right */
.features-grid-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-tile {
  background: #fff;
  border-radius: 20px;
  padding: 24px 20px;
  border: 1px solid #DCFCE7;
  box-shadow: 0 4px 12px rgba(15,23,42,0.05);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-tile:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(15,23,42,0.10); }

.feature-tile-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin: 0 auto 12px;
}
.feature-tile-icon--green  { background: #DCFCE7; color: #15803D; }
.feature-tile-icon--blue   { background: #DBEAFE; color: #1D4ED8; }
.feature-tile-icon--purple { background: #EDE9FE; color: #7C3AED; }
.feature-tile-icon--amber  { background: #FEF3C7; color: #B45309; }

.feature-tile-title { font-size: 0.88rem; font-weight: 700; color: #111827; margin-bottom: 4px; }
.feature-tile-desc  { font-size: 0.78rem; color: #9CA3AF; line-height: 1.5; }

/* ============================================================
   CTA — white card, matches edukalia-ai pricing hero
   ============================================================ */
.cta-section { padding: 80px 24px; background: #fff; }

.cta-card {
  max-width: 860px; margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, #F0FDF4 0%, #EFF6FF 100%);
  border: 1px solid #D1FAE5;
  border-radius: 32px;
  padding: 72px 56px;
  box-shadow: 0 10px 40px rgba(22,163,74,0.08);
  position: relative; overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 250px; height: 250px;
  background: #22C55E; opacity: 0.08;
  border-radius: 50%; filter: blur(40px);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800; color: #111827;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.cta-subtitle {
  font-size: 1rem; color: #6B7280; max-width: 440px;
  margin: 0 auto 36px; line-height: 1.72;
}
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   FOOTER — white, matches edukalia-ai footer
   ============================================================ */
.site-footer {
  background: #fff;
  border-top: 1px solid #F3F4F6;
  padding: 64px 24px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto 48px;
}

.footer-brand-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem; font-weight: 800; color: #111827;
  margin-bottom: 12px;
}
.footer-logo-icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: #16A34A;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.85rem;
}
.footer-brand-accent { color: #16A34A; }

.footer-desc { font-size: 0.85rem; color: #9CA3AF; line-height: 1.7; max-width: 260px; margin-bottom: 20px; }

.footer-socials { display: flex; gap: 10px; }
.footer-social {
  width: 38px; height: 38px; border-radius: 999px;
  background: #F3F4F6;
  display: flex; align-items: center; justify-content: center;
  color: #6B7280; font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}
.footer-social:hover { background: #DCFCE7; color: #16A34A; }

.footer-col-title {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: #9CA3AF;
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 0.875rem; color: #6B7280; transition: color 0.15s; }
.footer-link:hover { color: #16A34A; }

.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid #F3F4F6;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: 0.82rem; color: #9CA3AF; }

.footer-badges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.footer-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 999px;
  background: #F9FAFB; border: 1px solid #F3F4F6;
  font-size: 0.75rem; color: #9CA3AF;
}
.footer-badge i { color: #22C55E; }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner     { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-subtitle  { margin: 0 auto 36px; }
  .hero-actions   { justify-content: center; }
  .hero-subjects  { justify-content: center; }
  .hero-mockup    { justify-content: center; }
  .mockup-badge--tl, .mockup-badge--br { display: none; }

  .products-grid  { grid-template-columns: 1fr 1fr; }
  .howto-grid     { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .features-inner { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links          { display: none; }
  .nav-mobile-toggle  { display: flex; }
  .products-grid      { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .features-grid-right{ grid-template-columns: 1fr 1fr; }
  .hero-actions       { flex-direction: column; align-items: stretch; max-width: 300px; margin-left: auto; margin-right: auto; }
  .btn-primary, .btn-outline { justify-content: center; }
  .cta-card           { padding: 44px 24px; }
  .cta-actions        { flex-direction: column; align-items: stretch; max-width: 280px; margin-left: auto; margin-right: auto; }
  .footer-grid        { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom      { flex-direction: column; text-align: center; }
  .footer-badges      { justify-content: center; }
}

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