:root {
  --primary-green: #10B981;
  --primary-blue: #3B82F6;
  --accent-purple: #6C63FF;
  --success-green: #22C55E;
  --warning-orange: #F59E0B;
  --gradient-blue-green: linear-gradient(135deg, #27AE60, #3498DB);
  --soft-gray: #F9FAFB;
  --dark-navy: #0C0F1A;
  --text-black: #1F2937;
  --text-light-gray: #9CA3AF;
  --white: #FFFFFF;
  --surface: rgba(255, 255, 255, 0.6);
  --border: rgba(59, 130, 246, 0.3);
  --shadow: 0 25px 60px -30px rgba(14, 22, 40, 0.6);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: clamp(16rem, 90vw, 1200px);
}

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

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text-black);
  background: var(--soft-gray);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

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

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

.inner {
  width: min(var(--container), 100%);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
}

p {
  margin: 0 0 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo-icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
  color: white;
  border-radius: 0.9rem;
  font-weight: 600;
  transition: transform 0.3s ease;
}

.logo-icon:hover {
  transform: scale(1.1);
}

.logo-text {
  font-size: 1.1rem;
  color: var(--text-black);
}

.logo-text-footer{
  font-size: 1.1rem;
  color: white;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
  transition: color 0.3s ease, background-color 0.3s ease, transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--primary-blue);
  transform: translateY(-1px);
}

.nav-cta {
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  background: var(--primary-green);
  color: white;
  box-shadow: 0 12px 30px -18px var(--primary-green);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--success-green);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 16px 40px -20px rgba(16, 185, 129, 0.6);
}


.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
  cursor: pointer;
}

.site-header.nav-open {
  box-shadow: 0 20px 40px -35px rgba(14, 22, 40, 0.3);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-black);
  margin-bottom: 5px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hero {
  padding: 7rem 0 4rem;
  background: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.15), transparent 60%),
    radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.15), transparent 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--primary-green);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 1rem 0;
}

.hero p {
  font-size: 1.05rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

.technic {

  margin-left: 80px;
  margin-top: -35px;
}

.b1 {
  --b1-bg: linear-gradient(135deg, #2563EB, var(--primary-blue));
  --b1-text: var(--white);
  --b1-border: rgba(59, 130, 246, 0.4);
  --b1-shadow: rgba(59, 130, 246, 0.4);
  --b1-highlight: rgba(255, 255, 255, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 2.1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--b1-border);
  background: var(--b1-bg);
  background-size: 200% 200%;
  background-position: 0% 50%;
  color: var(--b1-text);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 18px 38px -22px var(--b1-shadow);
  transition: transform 0.28s ease, box-shadow 0.42s ease, background-position 0.6s ease, color 0.35s ease, border-color 0.4s ease;
  z-index: 0;
}

.b1::before,
.b1::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transition: opacity 0.4s ease, transform 0.6s ease;
}

.b1::before {
  background: radial-gradient(circle at 15% 15%, var(--b1-highlight) 0%, transparent 55%);
  opacity: 0;
  transform: translate3d(-25%, 20%, 0) scale(1.2);
}

.b1::after {
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.28) 45%, transparent 85%);
  transform: translateX(-100%);
  opacity: 0;
}

.b1:hover,
.b1:focus-visible {
  transform: translateY(-3px);
  background-position: 95% 50%;
  box-shadow: 0 26px 42px -22px rgba(59, 130, 246, 0.55);
}

.b1:hover::before,
.b1:focus-visible::before {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.b1:hover::after,
.b1:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

.b1:active {
  transform: translateY(-1px) scale(0.99);
  box-shadow: 0 16px 28px -20px rgba(59, 130, 246, 0.6);
  transition-duration: 0.18s;
}

.b1:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.35);
  outline-offset: 4px;
}

.b1:disabled,
.b1[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.b1.primary {
  --b1-bg: linear-gradient(135deg, var(--primary-green), #0EA5E9);
  --b1-border: rgba(16, 185, 129, 0.45);
  --b1-shadow: rgba(16, 185, 129, 0.45);
  --b1-highlight: rgba(255, 255, 255, 0.24);
}

.b1.ghost {
  --b1-bg: rgba(59, 130, 246, 0.08);
  --b1-text: var(--primary-blue);
  --b1-border: rgba(59, 130, 246, 0.3);
  --b1-shadow: rgba(59, 130, 246, 0.2);
  --b1-highlight: rgba(59, 130, 246, 0.2);
  background-position: 0% 50%;
}

@media (prefers-reduced-motion: reduce) {
  .b1,
  .b1::before,
  .b1::after {
    transition: none !important;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.3s ease;
}

.btn.primary {
  background: var(--primary-green);
  color: white;
  box-shadow: 0 20px 40px -25px var(--primary-green);
}

.btn.ghost {
  position: relative;
  overflow: hidden;
  background-color: var(--white);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--primary-blue);
  transition: color 0.35s ease;
  z-index: 0;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn.ghost::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    #27AE60,
    #10B981,
    #3498DB,
    #3B82F6
  );
  background-size: 250% 100%;
  background-position: 0% 50%;
  animation: ghostSweep 3s ease-in-out infinite alternate;
  animation-play-state: paused;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.btn.ghost:hover::before,
.btn.ghost:focus-visible::before {
  opacity: 1;
  animation-play-state: running;
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
  color: white;
}

@keyframes ghostSweep {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 0;
}

.hero-stats dt {
  font-weight: 600;
  color: var(--text-black);
}

.hero-stats dd {
  margin: 0.3rem 0 0;
  color: var(--text-light-gray);
}

.hero-visual {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 2.5rem;
}

.glass-card {
  width: clamp(16rem, 80%, 22rem);
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.glass-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.glass-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.glass-card li {
  padding-left: 1.5rem;
  position: relative;
}

.glass-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: none;
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-blue);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.secondary-btn:hover,
.secondary-btn:focus-visible {
  background: rgba(59, 130, 246, 0.18);
}

.floating-badge {
  position: relative;
  padding: 1.4rem 1.8rem;
  background: linear-gradient(120deg, rgba(59, 130, 246, 0.12), rgba(16, 185, 129, 0.15));
  border-radius: var(--radius-md);
  border: 1px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 45px -35px rgba(14, 22, 40, 0.7);
  text-align: center;
}

.floating-badge strong {
  display: block;
  font-size: 1.1rem;
  color: var(--primary-blue);
}

.section-lead {
  font-size: 1.1rem;
  max-width: 44rem;
  color: var(--text-light-gray);
}

.mission {
  padding: 5rem 0;
}

.mission h2,
.vision h2,
.platform h2,
.testimonials h2,
.cta h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.8rem;
  margin-top: 3rem;
}

.card-grid article {
  padding: 2.2rem;
  background-color: white;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(59, 130, 246, 0.15);
  box-shadow: 0 40px 80px -60px rgba(14, 22, 40, 0.3);
}

.vision {
  padding: 5rem 0;
  background: linear-gradient(180deg, rgba(14, 22, 40, 0.05) 0%, rgba(14, 22, 40, 0.12) 100%);
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: center;
}

.vision-copy p {
  margin-bottom: 1.5rem;
}

.vision-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.vision-list li {
  padding-left: 1.6rem;
  position: relative;
}

.vision-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--primary-green);
}

.vision-highlight {
  padding: 2.6rem;
  background: rgba(14, 22, 40, 0.85);
  color: white;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.vision-highlight::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18), transparent 60%);
  transform: rotate(45deg);
}

.vision-highlight > * {
  position: relative;
}

.tag {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-green);
}

blockquote {
  margin: 1.5rem 0 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

blockquote footer {
  margin-top: 1.5rem;
  font-weight: 600;
  color: var(--primary-green);
}

.platform {
  padding: 5rem 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-grid article {
  background: var(--white);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: 0 30px 60px -50px rgba(14, 22, 40, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 35px 70px -50px rgba(59, 130, 246, 0.4);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.9rem;
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-green);
  font-weight: 700;
  margin-bottom: 1.2rem;
}

.learning-tree {
  padding: 5rem 0;
  background: linear-gradient(180deg, rgba(249, 250, 251, 0.8), rgba(16, 185, 129, 0.08));
}

.tree {
  display: grid;
  gap: 3.5rem;
  justify-items: center;
  position: relative;
}

.tree-root {
  position: relative;
  padding: 2.6rem;
  max-width: 30rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(16, 185, 129, 0.12));
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 90px -70px rgba(14, 22, 40, 0.55);
}

.tree-root::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2.2rem;
  width: 2px;
  height: 2.2rem;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.5), rgba(16, 185, 129, 0.1));
}

.tree-branches {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.tree-branches::before {
  content: "";
  position: absolute;
  top: -2.2rem;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.4), rgba(16, 185, 129, 0.15));
}

.tree-node {
  position: relative;
  padding: 2.2rem;
  background: white;
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: 0 35px 80px -65px rgba(14, 22, 40, 0.45);
  display: grid;
  gap: 1.4rem;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.tree-node:hover,
.tree-node:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 45px 90px -60px rgba(59, 130, 246, 0.4);
  border-color: rgba(59, 130, 246, 0.35);
}

.tree-node:hover::before,
.tree-node:focus-within::before {
  height: 2.6rem;
}

.tree-node::before {
  content: "";
  position: absolute;
  top: -2.2rem;
  left: 50%;
  width: 2px;
  height: 2.2rem;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.4), rgba(16, 185, 129, 0.1));
  transition: height 0.35s ease;
}

.tree-node header {
  display: grid;
  gap: 0.6rem;
}

.node-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.15));
  font-weight: 600;
  color: var(--primary-blue);
}

.tree-node ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.tree-node li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-light-gray);
  transition: color 0.3s ease;
}

.tree-node li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
  transition: transform 0.35s ease;
}

.tree-node:hover li,
.tree-node:focus-within li {
  color: var(--text-black);
}

.tree-node:hover li::before,
.tree-node:focus-within li::before {
  transform: scale(1.1);
}

.learning-outcome {
  margin-top: 4rem;
  padding: 2.6rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.2);
  box-shadow: 0 30px 70px -60px rgba(14, 22, 40, 0.45);
}

.learning-outcome h3 {
  margin-bottom: 1.2rem;
}

.learning-outcome ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.6rem;
}

.learning-outcome li {
  color: var(--text-black);
}

.values {
  padding: 4.5rem 0;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.value-grid article {
  padding: 2.2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(16, 185, 129, 0.12));
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.testimonials {
  padding: 5rem 0;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.08), rgba(249, 250, 251, 0.6));
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.testimonial-grid figure {
  margin: 0;
  padding: 2.2rem;
  border-radius: var(--radius-lg);
  background-color: white;
  border: 1px solid rgba(59, 130, 246, 0.15);
  box-shadow: 0 35px 80px -70px rgba(14, 22, 40, 0.6);
}

.testimonial-grid blockquote {
  font-size: 1.05rem;
  color: var(--text-light-gray);
}

.testimonial-grid figcaption {
  margin-top: 1.5rem;
  font-weight: 600;
  color: var(--primary-green);
}

.team {
  padding: 5rem 0;
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.05), rgba(59, 130, 246, 0.08));
  text-align: center;
}

.team h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-dark-blue);
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.team-description {
  max-width: 800px;
  margin: 0 auto 2.5rem;
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-light-gray);
}

.team .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.team .btn.primary {
  background: linear-gradient(135deg, var(--primary-green), #0EA5E9);
  color: white;
  box-shadow: 0 10px 30px -15px rgba(16, 185, 129, 0.5);
}

.team .btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px -15px rgba(16, 185, 129, 0.6);
}

.team .btn.primary:active {
  transform: translateY(-1px);
}

.cta {
  padding: 5rem 0 6rem;
}

.cta-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  padding: 3rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #27AE60, #3498DB);
  color: white;
  box-shadow: 0 50px 90px -70px rgba(14, 22, 40, 0.8);
}

.cta-card p {
  color: rgba(255, 255, 255, 0.85);
  margin-top: 1rem;
}

.cta-form {
  display: grid;
  gap: 1.2rem;
}

.cta-form label {
  display: grid;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.cta-form input,
.cta-form textarea {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  background-color: var(--white);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-black);
  resize: vertical;
}

.cta-form textarea {
  min-height: 110px;
}

.cta-form .btn {
  border: none;
  background: var(--white);
  color: var(--primary-green);
  box-shadow: 0 25px 55px -40px rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.cta-form .btn:hover,
.cta-form .btn:focus-visible {
  transform: translateY(-1px);
}

.site-footer {
  padding: 3.5rem 0 2.5rem;
  background-color: var(--dark-navy);
  color: rgba(255, 255, 255, 0.78);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  align-items: flex-start;
}

.site-footer h4 {
  margin-bottom: 0.9rem;
  color: white;
}

.site-footer ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.footer-note {
  text-align: center;
  margin: 2.5rem 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

/* ============================================
   RESPONSIVE DESIGN - TABLET & DESKTOP
   ============================================ */

@media (max-width: 1100px) {
  .hero-grid,
  .vision-grid,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 6rem;
    padding-bottom: 4rem;
  }

  .hero-visual {
    justify-items: start;
    margin-top: 2rem;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .tree-branches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tree-branches::before {
    left: 10%;
    right: 10%;
  }

  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning {
    padding: 4rem 0;
  }

  .inner {
    padding: 0 1.25rem;
  }
}

/* ============================================
   RESPONSIVE DESIGN - TABLET
   ============================================ */

@media (max-width: 820px) {
  /* Navigation */
  .site-nav {
    position: absolute;
    top: 70px;
    right: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.8rem;
    background: rgba(247, 249, 252, 0.95);
    border: 1px solid rgba(106, 156, 253, 0.25);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 40px -30px rgba(14, 22, 40, 0.25);
    transform: scale(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }

  .site-nav a {
    width: 100%;
    padding: 0.75rem 1rem;
    text-align: left;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
  }

  .menu-toggle {
    display: block;
  }

  .site-header .inner {
    position: relative;
    padding: 0.875rem 1.25rem;
  }

  /* Hero Section */
  .hero {
    padding-top: 5rem;
    padding-bottom: 3rem;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    line-height: 1.3;
  }

  .hero-copy p {
    font-size: 1rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .hero-stats dd {
    font-size: 0.9rem;
  }

  .hero-visual {
    margin-top: 2rem;
  }

  .glass-card {
    padding: 1.5rem;
  }

  .glass-card h3 {
    font-size: 1.25rem;
  }

  .floating-badge {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
  }

  /* Typography */
  h2 {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
  }

  h3 {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
  }

  /* Sections */
  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning,
  .cta {
    padding: 3rem 0;
  }

  .badge {
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
  }

  /* Grids */
  .feature-grid,
  .tree-branches,
  .value-grid,
  .card-grid,
  .testimonial-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Tree Visualization */
  .tree-branches::before,
  .tree-node::before {
    display: none;
  }

  .tree-root::after {
    display: none;
  }

  .tree {
    gap: 2rem;
  }

  .tree-node,
  .tree-root {
    padding: 1.25rem;
  }

  /* Feature Cards */
  .feature-item,
  .card,
  .value-card {
    padding: 1.5rem;
  }

  .feature-icon,
  .value-icon {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }

  /* Buttons */
  .btn,
  .hero-actions a {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }

  .hero-actions {
    gap: 1rem;
  }

  /* Team Section */
  .team {
    padding: 4rem 0;
  }

  .team-description {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }

  .team .btn {
    padding: 0.875rem 1.75rem;
    font-size: 1.0625rem;
  }

  /* Forms */
  .cta-form {
    padding: 2rem;
  }

  .cta-form input,
  .cta-form textarea {
    font-size: 1rem;
    padding: 0.875rem 1.25rem;
  }

  /* Testimonials */
  .testimonial {
    padding: 1.5rem;
  }

  .testimonial blockquote {
    font-size: 1rem;
  }

  /* Manifesto Quote */
  .manifesto blockquote {
    font-size: 1.5rem;
    padding: 1.5rem;
  }

  /* Platform Cards */
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE (LANDSCAPE)
   ============================================ */

@media (max-width: 640px) {
  /* Base Adjustments */
  .inner {
    padding: 0 1rem;
  }

  /* Hero */
  .hero {
    padding: 4rem 0 2.5rem;
  }

  .hero h1 {
    font-size: clamp(1.5rem, 8vw, 2rem);
    margin-bottom: 1rem;
  }

  .hero-copy p {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions a {
    width: 100%;
    justify-content: center;
  }

  .badge {
    font-size: 0.8rem;
    padding: 0.35rem 0.875rem;
  }

  /* Sections */
  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning,
  .cta {
    padding: 2.5rem 0;
  }

  h2 {
    font-size: clamp(1.5rem, 6vw, 1.875rem);
    margin-bottom: 1rem;
  }

  h3 {
    font-size: clamp(1.125rem, 5vw, 1.375rem);
  }

  /* Cards */
  .feature-item,
  .card,
  .value-card,
  .testimonial {
    padding: 1.25rem;
  }

  .feature-icon,
  .value-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.125rem;
  }

  /* Glass Card */
  .glass-card {
    padding: 1.25rem;
  }

  .glass-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
  }

  .glass-card ul {
    gap: 0.5rem;
  }

  .glass-card li {
    font-size: 0.9rem;
  }

  .secondary-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  /* Stats */
  .hero-stats {
    gap: 0.875rem;
  }

  .hero-stats dt {
    font-size: 0.8rem;
  }

  .hero-stats dd {
    font-size: 0.85rem;
  }

  /* Tree */
  .tree {
    gap: 1.5rem;
  }

  .tree-node,
  .tree-root {
    padding: 1rem;
  }

  .tree-node h4,
  .tree-root h3 {
    font-size: 1rem;
  }

  /* Manifesto */
  .manifesto blockquote {
    font-size: 1.25rem;
    padding: 1.25rem;
  }

  /* Forms */
  .cta-form {
    padding: 1.5rem;
  }

  .cta-card {
    padding: 1.5rem;
  }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE (PORTRAIT)
   ============================================ */

@media (max-width: 540px) {
  /* Base */
  body {
    font-size: 15px;
  }

  .inner {
    padding: 0 0.875rem;
  }

  /* Header */
  .site-header .inner {
    padding: 0.75rem 0.875rem;
  }

  .logo-icon {
    width: 2.25rem;
    height: 2.25rem;
  }

  .logo-text {
    font-size: 1rem;
  }

  .site-nav {
    right: 0.875rem;
    left: 0.875rem;
    width: calc(100% - 1.75rem);
    padding: 1.5rem;
  }

  /* Hero */
  .hero {
    padding: 3.5rem 0 2rem;
  }

  .hero h1 {
    font-size: 1.5rem;
    line-height: 1.25;
  }

  .hero-copy p {
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .hero-actions {
    flex-direction: column;
    gap: 0.875rem;
  }

  .hero-actions a {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .hero-stats dt {
    font-size: 0.75rem;
  }

  .hero-stats dd {
    font-size: 0.8rem;
  }

  /* Typography */
  h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  h4 {
    font-size: 1rem;
  }

  p {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  /* Sections */
  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning,
  .cta {
    padding: 2rem 0;
  }

  .badge {
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
  }

  /* Cards */
  .feature-item,
  .card,
  .value-card,
  .testimonial {
    padding: 1rem;
    border-radius: var(--radius-sm);
  }

  .feature-icon,
  .value-icon {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1rem;
  }

  .feature-item h3,
  .card h3,
  .value-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }

  /* Glass Card */
  .glass-card {
    padding: 1rem;
  }

  .glass-card h3 {
    font-size: 1rem;
  }

  .glass-card li {
    font-size: 0.85rem;
    padding: 0.4rem 0;
  }

  .floating-badge {
    padding: 0.625rem 0.875rem;
    font-size: 0.75rem;
  }

  .secondary-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.85rem;
  }

  /* Tree */
  .tree {
    gap: 1.25rem;
  }

  .tree-node,
  .tree-root {
    padding: 0.875rem;
    border-radius: var(--radius-sm);
  }

  .tree-root h3 {
    font-size: 1rem;
  }

  .tree-node h4 {
    font-size: 0.9rem;
  }

  .tree-root p,
  .tree-node p {
    font-size: 0.85rem;
  }

  /* Manifesto */
  .manifesto blockquote {
    font-size: 1.125rem;
    padding: 1rem;
    line-height: 1.5;
  }

  /* Platform Section */
  .platform-category {
    padding: 1rem;
  }

  .category-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .category-badge {
    padding: 0.4rem 0.875rem;
    font-size: 0.75rem;
  }

  /* Forms */
  .cta-form {
    padding: 1.25rem;
  }

  .cta-form input,
  .cta-form textarea {
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
  }

  .cta-form button {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }

  .cta-card {
    padding: 1.25rem;
  }

  .form-note {
    font-size: 0.8rem;
    padding: 0.625rem;
  }

  /* Testimonials */
  .testimonial {
    padding: 1rem;
  }

  .testimonial blockquote {
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .testimonial-author {
    font-size: 0.8rem;
  }

  /* Buttons */
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  /* Team Section */
  .team {
    padding: 3.5rem 0;
  }

  .team h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  }

  .team-description {
    font-size: 1rem;
    line-height: 1.7;
    padding: 0 1rem;
  }

  .team .btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    gap: 0.625rem;
  }

  /* Grids */
  .feature-grid,
  .value-grid,
  .card-grid,
  .testimonial-grid {
    gap: 1rem;
  }
}

/* ============================================
   RESPONSIVE DESIGN - EXTRA SMALL MOBILE
   ============================================ */

@media (max-width: 375px) {
  /* Ultra compact for small phones */
  body {
    font-size: 14px;
  }

  .inner {
    padding: 0 0.75rem;
  }

  .site-header .inner {
    padding: 0.625rem 0.75rem;
  }

  .logo-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }

  .logo-text {
    font-size: 0.9rem;
  }

  .hero {
    padding: 3rem 0 1.5rem;
  }

  .hero h1 {
    font-size: 1.375rem;
  }

  h2 {
    font-size: 1.375rem;
  }

  h3 {
    font-size: 1rem;
  }

  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning,
  .cta {
    padding: 1.75rem 0;
  }

  .feature-item,
  .card,
  .value-card,
  .testimonial {
    padding: 0.875rem;
  }

  .glass-card {
    padding: 0.875rem;
  }

  .cta-form,
  .cta-card {
    padding: 1rem;
  }

  .hero-actions a,
  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .manifesto blockquote {
    font-size: 1rem;
    padding: 0.875rem;
  }

  /* Team Section */
  .team {
    padding: 2.5rem 0;
  }

  .team h2 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
  }

  .team-description {
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 0 0.5rem;
    margin-bottom: 1.5rem;
  }

  .team .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    gap: 0.5rem;
  }

  .team .btn i {
    font-size: 0.8125rem;
  }
}

/* ============================================
   TOUCH DEVICE OPTIMIZATIONS
   ============================================ */

@media (hover: none) and (pointer: coarse) {
  /* Increase touch targets */
  .btn,
  .hero-actions a,
  .nav-cta,
  .site-nav a {
    min-height: 44px;
    padding: 0.875rem 1.5rem;
  }

  .menu-toggle {
    min-width: 44px;
    min-height: 44px;
    padding: 0.75rem;
  }

  /* Remove hover effects on touch devices */
  .feature-item:hover,
  .card:hover,
  .value-card:hover,
  .testimonial:hover {
    transform: none;
  }

  /* Improve tap feedback */
  .btn:active,
  .hero-actions a:active {
    transform: scale(0.98);
    opacity: 0.9;
  }

  /* Team section touch targets */
  .team .btn {
    min-height: 44px;
    padding: 0.875rem 1.5rem;
  }

  .team .btn:active {
    transform: scale(0.97);
  }
}

/* ============================================
   LANDSCAPE ORIENTATION (MOBILE)
   ============================================ */

@media (max-width: 820px) and (orientation: landscape) {
  .hero {
    padding: 2rem 0;
  }

  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning,
  .cta {
    padding: 2rem 0;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

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

  .site-nav {
    max-height: calc(100vh - 80px);
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .site-header,
  .menu-toggle,
  .floating-badge,
  .cta,
  .hero-actions {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .inner {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .hero,
  .mission,
  .vision,
  .manifesto,
  .platform,
  .learning {
    page-break-inside: avoid;
    padding: 1rem 0;
  }
}

/* Form Mesaj Stilleri */
.form-message {
  margin-bottom: 2rem;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  opacity: 1;
}

.form-message.success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #065f46;
}

.form-message.error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.1));
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

.message-content {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-weight: 500;
}

.message-content i {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.message-text {
  flex: 1;
}

.message-text p {
  margin: 0 0 0.5rem 0;
  line-height: 1.6;
}

.message-text p:last-child {
  margin-bottom: 0;
}

.form-message.success .message-content i {
  color: var(--success-green);
}

.form-message.error .message-content i {
  color: #ef4444;
}

/* Form Submit Button Loading State */
.cta-form button[type="submit"]:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.cta-form button[type="submit"]:disabled:hover {
  transform: none;
  box-shadow: var(--shadow);
}

/* Loading Spinner */
.fa-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Form Animation Improvements */
.cta-form input:focus,
.cta-form textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

.cta-form label {
  transition: all 0.2s ease;
}

.cta-form input,
.cta-form textarea {
  transition: all 0.2s ease;
}

/* Form Required Fields */
.required {
  color: #ef4444;
  font-weight: bold;
}

/* Form Note */
.form-note {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(59, 130, 246, 0.05);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-light-gray);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-note i {
  color: var(--primary-blue);
}

/* Button Icon Spacing */
.btn i {
  margin-right: 0.5rem;
}