/* ============================================================
   Yadda Yadda Ltd — Yellow, White & Black
   ============================================================ */

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

:root {
  --yellow: #FFD60A;
  --yellow-light: #FFF3B0;
  --yellow-hover: #F5C800;
  --black: #1a1a1a;
  --black-soft: #2d2d2d;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-400: #a3a3a3;
  --gray-600: #525252;
  --gray-800: #262626;
  --radius: 12px;
  --radius-lg: 20px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--yellow);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.logo-dot { color: var(--yellow); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--gray-400);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }

.btn-primary {
  background: var(--yellow);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 214, 10, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.btn-yellow {
  background: var(--yellow);
  color: var(--black);
  font-size: 1.1rem;
  padding: 16px 36px;
}
.btn-yellow:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 214, 10, 0.4);
}

.nav-links .btn {
  color: var(--black) !important;
  background: var(--yellow);
}
.nav-links .btn:hover {
  background: var(--yellow-hover);
}

/* --- Hero --- */
.hero {
  position: relative;
  background: var(--black);
  color: var(--white);
  padding: 160px 0 120px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 214, 10, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 214, 10, 0.15);
  color: var(--yellow);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-dot { color: var(--yellow); }

.hero-sub {
  font-size: 1.2rem;
  color: var(--gray-400);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-squiggle {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
}

.hero-squiggle svg {
  width: 100%;
  height: 60px;
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-white { background: var(--white); }
.section-dark { background: var(--black); color: var(--white); }
.section-yellow { background: var(--yellow); color: var(--black); }

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--yellow);
  margin-bottom: 16px;
}

.tag-light { color: var(--yellow); }

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 20px;
}

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

.dot-yellow { color: var(--yellow); }
.dot-black { color: var(--black); }

.center { text-align: center; }

/* --- About Grid --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.about-card {
  background: var(--gray-50);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: transform 0.2s, box-shadow 0.2s;
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.about-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- MumMap Section --- */
.mummap-intro {
  font-size: 1.15rem;
  color: var(--gray-400);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  background: var(--black-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
}

.feature-number {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--yellow);
  background: rgba(255, 214, 10, 0.12);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.65;
}

.mummap-cta {
  text-align: center;
  padding-top: 16px;
}

.mummap-status {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* --- Values / Philosophy --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  margin-top: 48px;
  text-align: left;
}

.value-item {
  background: rgba(0, 0, 0, 0.06);
  padding: 28px;
  border-radius: var(--radius-lg);
}

.value-num {
  font-size: 2rem;
  font-weight: 800;
  display: block;
  margin-bottom: 8px;
}

.value-item p {
  font-size: 1.05rem;
  line-height: 1.6;
}

/* --- Contact --- */
.contact-text {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  background: var(--black);
  color: var(--gray-400);
  padding: 48px 0;
  border-top: 2px solid var(--yellow);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
}

.footer-legal {
  font-size: 0.8rem;
  color: var(--gray-600);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--yellow); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero { padding: 120px 0 80px; }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn { width: 100%; }

  .nav-links a:not(.btn) { display: none; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .section { padding: 72px 0; }

  .values-grid { text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .section h2 { font-size: 1.8rem; }
}