* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: #dfe7f2;
  color: #0f172a;
}

.page-wrapper {
  overflow: hidden;
}

/* Shared */

.hero-badge,
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #102a56;
  background: rgba(199, 216, 247, 0.95);
  padding: 10px 16px;
  border-radius: 999px;
}

/* Hero */

.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 76px 24px 70px;
  background:
    radial-gradient(circle at 11% 28%, rgba(30, 58, 138, 0.19), transparent 25%),
    radial-gradient(circle at 88% 24%, rgba(34, 197, 94, 0.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(15, 23, 42, 0.11), transparent 38%),
    linear-gradient(180deg, #edf3fb 0%, #dfe7f2 100%);
}

.hero-section h1 {
  font-size: clamp(58px, 10.5vw, 138px);
  line-height: 1.06;
  letter-spacing: -0.085em;
  font-weight: 950;
  margin: 24px 0 14px;
  padding: 0 0 14px;
  background: linear-gradient(135deg, #000000 10%, #0b1933 52%, #172f63 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  max-width: 850px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.045em;
  font-weight: 850;
  color: #172033;
  margin-bottom: 28px;
}

.hero-mini-grid {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.hero-mini-grid div {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.hero-mini-grid strong {
  display: block;
  font-size: 24px;
  letter-spacing: -0.045em;
  margin-bottom: 6px;
}

.hero-mini-grid span {
  color: #475569;
  font-weight: 700;
}

.mission-card {
  max-width: 930px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 32px;
  padding: 34px 36px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
  text-align: left;
}

.mission-card h2 {
  font-size: 29px;
  letter-spacing: -0.055em;
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 19px;
  line-height: 1.72;
  color: #475569;
}

.scroll-button {
  margin-top: 30px;
  text-decoration: none;
  background: #0f172a;
  color: white;
  padding: 15px 26px;
  border-radius: 999px;
  font-weight: 850;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scroll-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 38px rgba(15, 23, 42, 0.22);
}

/* Founder/Testimonial */

.testimonial-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: center;
  padding: 78px 7vw;
}

.runner-illustration {
  min-height: 520px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top left, rgba(30, 58, 138, 0.24), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.18), transparent 34%),
    linear-gradient(180deg, #f8fbff, #dbe7f5);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
  position: relative;
  overflow: hidden;
}

.sun {
  position: absolute;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: rgba(191, 219, 254, 0.9);
  top: 58px;
  right: 58px;
}

.runner-head {
  position: absolute;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #f2c39b;
  top: 135px;
  left: 50%;
  transform: translateX(-50%);
}

.runner-head::before {
  content: "";
  position: absolute;
  width: 48px;
  height: 22px;
  background: #1f2937;
  border-radius: 24px 24px 8px 8px;
  top: -5px;
  left: 8px;
}

.runner-head::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 12px;
  border-bottom: 4px solid #7f1d1d;
  border-radius: 0 0 24px 24px;
  bottom: 16px;
  left: 22px;
}

.runner-body {
  position: absolute;
  width: 92px;
  height: 125px;
  background: linear-gradient(135deg, #1e3a8a, #0f172a);
  border-radius: 34px 34px 26px 26px;
  top: 215px;
  left: 50%;
  transform: translateX(-50%) rotate(-8deg);
}

.runner-arm,
.runner-leg {
  position: absolute;
  background: #111827;
  border-radius: 999px;
  transform-origin: top center;
}

.runner-arm.left {
  width: 22px;
  height: 120px;
  top: 235px;
  left: 39%;
  transform: rotate(45deg);
}

.runner-arm.right {
  width: 22px;
  height: 120px;
  top: 232px;
  right: 36%;
  transform: rotate(-52deg);
}

.runner-leg.left {
  width: 24px;
  height: 155px;
  top: 325px;
  left: 45%;
  transform: rotate(32deg);
}

.runner-leg.right {
  width: 24px;
  height: 155px;
  top: 325px;
  right: 42%;
  transform: rotate(-38deg);
}

.ground-line {
  position: absolute;
  width: 72%;
  height: 8px;
  background: rgba(147, 197, 253, 0.85);
  border-radius: 999px;
  bottom: 58px;
  left: 14%;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 34px;
  padding: 38px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
}

.testimonial-card blockquote {
  font-size: 22px;
  line-height: 1.62;
  letter-spacing: -0.025em;
  color: #334155;
  margin: 24px 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}

.avatar {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.testimonial-author div:last-child {
  display: flex;
  flex-direction: column;
}

.testimonial-author strong {
  letter-spacing: -0.02em;
}

.testimonial-author span {
  color: #64748b;
}

.pr-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.pr-grid div {
  background: #f8fafc;
  border-radius: 20px;
  padding: 18px;
  border: 1px solid #e2e8f0;
}

.pr-grid span {
  display: block;
  color: #64748b;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 8px;
}

.pr-grid strong {
  font-size: 24px;
  letter-spacing: -0.05em;
}

.wide-stat {
  grid-column: span 4;
}

/* Why Join */

.why-section {
  padding: 76px 7vw 82px;
  text-align: center;
}

.why-section h2 {
  font-size: clamp(42px, 6vw, 82px);
  letter-spacing: -0.075em;
  line-height: 0.98;
  margin: 22px 0 34px;
  color: #0f172a;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 30px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 16px 45px rgba(15, 23, 42, 0.08);
}

.feature-card h3 {
  font-size: 25px;
  letter-spacing: -0.045em;
  margin-bottom: 12px;
}

.feature-card p {
  color: #475569;
  font-size: 17px;
  line-height: 1.65;
}

/* Signup */

.signup-section {
  padding: 78px 7vw 108px;
  background:
    radial-gradient(circle at top, rgba(30, 58, 138, 0.16), transparent 34%),
    linear-gradient(180deg, #dfe7f2, #f8fbff);
}

.signup-card {
  max-width: 980px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: 36px;
  padding: 42px;
  box-shadow: 0 26px 80px rgba(15, 23, 42, 0.12);
}

.signup-card h2 {
  font-size: clamp(38px, 5vw, 70px);
  letter-spacing: -0.075em;
  margin: 20px 0 12px;
}

.signup-card p {
  color: #475569;
  font-size: 18px;
  line-height: 1.7;
  max-width: 720px;
  margin-bottom: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 18px;
}

label {
  font-size: 14px;
  font-weight: 850;
  color: #334155;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #dbe3ef;
  border-radius: 18px;
  padding: 15px 16px;
  font: inherit;
  background: #f8fafc;
  color: #111827;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #1e3a8a;
  background: white;
  box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.13);
}

textarea {
  resize: vertical;
}

button {
  border: none;
  background: #0f172a;
  color: white;
  padding: 16px 28px;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.2);
}

/* Responsive */

@media (max-width: 950px) {
  .testimonial-section {
    grid-template-columns: 1fr;
    padding: 66px 24px;
  }

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

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

  .wide-stat {
    grid-column: span 2;
  }
}

@media (max-width: 700px) {
  .hero-mini-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-section {
    padding: 64px 18px;
  }

  .mission-card,
  .testimonial-card,
  .signup-card {
    padding: 26px;
    border-radius: 26px;
  }

  .why-section,
  .signup-section {
    padding: 68px 20px;
  }

  .runner-illustration {
    min-height: 420px;
  }

  .testimonial-card blockquote {
    font-size: 19px;
  }

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

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

  .wide-stat {
    grid-column: span 1;
  }
}