:root {
  --blue: #0759aa;
  --blue-deep: #043b7b;
  --blue-night: #042e61;
  --green: #76b500;
  --green-bright: #8ccc08;
  --white: #ffffff;
  --black: #101010;
  --gray-50: #f8f8f8;
  --gray-100: #efefef;
  --gray-300: #cfcfcf;
  --gray-600: #575757;
  --gray-800: #242424;
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --body: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #ffffff;
}

body {
  position: relative;
  width: 100%;
  max-width: 1780px;
  min-height: 100vh;
  margin: 0 auto;
  color: var(--black);
  background: var(--gray-100);
  border: 1px solid var(--green-bright);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

main > section + section,
.site-footer {
  border-top: 1px solid var(--green-bright);
}

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

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

button,
input {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #d7ff7d;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue-night);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: min(1360px, calc(100% - 72px));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid #ffffff;
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 88px;
  padding: 0 clamp(28px, 3.8vw, 62px);
  color: var(--white);
  background: linear-gradient(
    90deg,
    rgba(5, 78, 160, 0.995) 0%,
    rgba(5, 78, 160, 0.97) 55%,
    rgba(5, 78, 160, 0.43) 76%,
    rgba(5, 78, 160, 0) 100%
  );
}

.logo {
  width: max-content;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(29px, 3vw, 43px);
  font-style: italic;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.075em;
  filter: drop-shadow(0 2px 4px rgba(0, 28, 75, 0.2));
}

.logo strong {
  color: var(--green-bright);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(38px, 5vw, 74px);
  font-family: var(--display);
  font-size: clamp(18px, 1.75vw, 27px);
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.primary-nav a,
.social-links a,
.header-ready {
  transition: color 160ms ease, transform 160ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.social-links a:hover,
.social-links a:focus-visible,
.header-ready:hover,
.header-ready:focus-visible {
  color: #b9ec58;
}

.header-ready {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  color: #d9ff8b;
  border: 1px solid rgba(185, 236, 88, 0.82);
  border-radius: 999px;
  background: rgba(3, 48, 107, 0.7);
  box-shadow: 0 8px 22px rgba(0, 26, 67, 0.18);
  font-family: var(--display);
  font-size: clamp(15px, 1.18vw, 19px);
  letter-spacing: 0.065em;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-ready:hover,
.header-ready:focus-visible {
  transform: translateY(-2px);
  background: rgba(3, 48, 107, 0.9);
}

.header-ready-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 9px rgba(140, 204, 8, 0.78);
}

.social-links {
  justify-self: end;
  display: none;
  align-items: center;
  gap: 22px;
  padding: 8px 10px;
  font-size: 24px;
  border-radius: 999px;
  background: rgba(5, 78, 160, 0.24);
}

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

.mobile-menu {
  display: none;
  justify-self: end;
}

.mobile-menu summary {
  display: grid;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px 8px;
  cursor: pointer;
  list-style: none;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 4px;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary span {
  display: block;
  height: 2px;
  background: var(--white);
}

.mobile-menu nav {
  position: absolute;
  top: 68px;
  right: 18px;
  display: grid;
  min-width: 190px;
  padding: 10px;
  color: var(--white);
  background: rgba(3, 49, 106, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 5px;
  box-shadow: 0 18px 36px rgba(1, 29, 67, 0.34);
}

.mobile-menu nav a {
  padding: 13px 15px;
  font-family: var(--display);
  font-size: 19px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mobile-menu nav .mobile-ready {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  color: #d9ff8b;
  border-bottom: 1px solid rgba(185, 236, 88, 0.34);
}

.mobile-menu nav .mobile-ready span {
  color: var(--green-bright);
  font-size: 11px;
}

.hero {
  position: relative;
  height: min(43.92vw, 760px);
  min-height: 560px;
  overflow: hidden;
  color: var(--white);
  background-color: var(--blue);
  background-image: url("jogstep-hero-clean-v1.jpg");
  background-repeat: no-repeat;
  background-position: center 21%;
  background-size: 100% auto;
  isolation: isolate;
}

.hero-mask {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(0, 31, 77, 0.48) 0%,
      rgba(0, 40, 91, 0.31) 37%,
      rgba(0, 43, 96, 0.14) 58%,
      rgba(0, 43, 96, 0.03) 78%,
      rgba(0, 43, 96, 0) 100%
    ),
    linear-gradient(0deg, rgba(0, 26, 67, 0.16), rgba(0, 35, 95, 0));
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(860px, 56vw);
  padding: clamp(126px, 9.6vw, 172px) 0 46px clamp(32px, 3.8vw, 62px);
}

.hero-eyebrow {
  display: none;
}

.hero h1 {
  margin: 0;
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(48px, 4.8vw, 76px);
  font-weight: 700;
  line-height: 0.97;
  letter-spacing: 0.018em;
  text-transform: uppercase;
  text-shadow: 0 2px 9px rgba(0, 33, 78, 0.28);
}

.hero h1 span,
.hero h1 strong {
  display: block;
}

.hero h1 strong {
  margin-top: 9px;
  color: var(--green-bright);
  font-weight: 700;
}

.hero-copy > p {
  max-width: 540px;
  margin: clamp(26px, 2.8vw, 44px) 0 26px;
  font-size: clamp(17px, 1.55vw, 24px);
  line-height: 1.55;
  text-shadow: 0 1px 4px rgba(0, 31, 80, 0.34);
}

.hero-actions,
.final-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(15px, 1.3vw, 20px);
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

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

.button-green {
  color: #0d2400;
  background: linear-gradient(180deg, #90ce11, #70a800);
  box-shadow: 0 8px 22px rgba(13, 43, 0, 0.22);
}

.button-green:hover,
.button-green:focus-visible {
  background: linear-gradient(180deg, #a7e82c, #82bd05);
  box-shadow: 0 11px 28px rgba(13, 43, 0, 0.3);
}

.button-outline {
  color: var(--white);
  border-width: 1px;
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(4, 72, 148, 0.2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.button-outline:hover,
.button-outline:focus-visible {
  background: rgba(255, 255, 255, 0.14);
}

.button-icon {
  display: inline-grid;
  place-items: center;
  width: 29px;
  height: 23px;
  margin-right: 10px;
  padding-left: 2px;
  color: var(--black);
  font-size: 12px;
  border-radius: 5px;
}

.book-icon {
  display: block;
  flex: 0 0 auto;
  width: 29px;
  height: 24px;
  margin-left: 12px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 2px rgba(0, 28, 71, 0.28));
}

.feature-section {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 5vw, 82px) 0;
  background: var(--white);
  isolation: isolate;
}

.feature-section::before,
.feature-section::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 50%;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(6, 86, 168, 0.07);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px rgba(6, 86, 168, 0.024),
    0 0 0 84px rgba(6, 86, 168, 0.012);
  pointer-events: none;
  transform: translateY(-50%);
}

.feature-section::before {
  left: -260px;
}

.feature-section::after {
  right: -260px;
}

.feature-grid {
  position: relative;
  z-index: 1;
  width: min(1540px, calc(100% - 96px));
  display: grid;
  grid-template-columns: minmax(360px, 1.05fr) minmax(350px, 0.9fr) minmax(220px, 0.55fr);
  gap: clamp(54px, 5.2vw, 92px);
  align-items: center;
}

.section-label {
  margin: 0 0 13px;
  color: var(--black);
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.section-label-green {
  color: #527f00;
  font-family: var(--body);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.19em;
}

.section-label-light {
  color: #bcec73;
  font-family: var(--body);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.19em;
}

.video-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  aspect-ratio: 16 / 9;
  min-height: 280px;
  overflow: hidden;
  padding: clamp(22px, 3vw, 40px);
  color: var(--white);
  background-image:
    linear-gradient(180deg, rgba(0, 18, 42, 0.1) 0%, rgba(0, 18, 42, 0.88) 100%),
    url("jogstep-splash-reference.png");
  background-position: right 20%;
  background-size: 185% auto;
  border-radius: 5px;
  box-shadow: 0 22px 45px rgba(0, 29, 63, 0.2);
  isolation: isolate;
}

.video-card::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, rgba(1, 18, 45, 0.86), rgba(1, 18, 45, 0.18) 72%);
}

.video-duration {
  position: absolute;
  top: 19px;
  left: 22px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.video-title {
  font-family: var(--display);
  font-size: clamp(44px, 4.2vw, 68px);
  line-height: 0.92;
  text-transform: uppercase;
}

.video-play {
  position: absolute;
  top: 50%;
  left: 53%;
  display: grid;
  place-items: center;
  width: 68px;
  height: 48px;
  padding-left: 4px;
  color: var(--white);
  background: #f31313;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
  transform: translate(-50%, -50%);
  transition: transform 160ms ease, background 160ms ease;
}

.video-card:hover .video-play,
.video-card:focus-visible .video-play {
  background: #ff3131;
  transform: translate(-50%, -50%) scale(1.08);
}

.video-brand {
  position: absolute;
  right: 22px;
  bottom: 18px;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: 20px;
  font-style: italic;
  font-weight: 900;
  letter-spacing: -0.07em;
}

.video-brand strong {
  color: var(--green-bright);
}

.subscribe-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  width: min(82%, 430px);
  min-height: 50px;
  padding: 10px 18px;
  margin: 15px auto 0;
  color: var(--white);
  background: #070707;
  font-family: var(--display);
  font-size: clamp(16px, 1.45vw, 22px);
  line-height: 1.05;
  letter-spacing: 0.025em;
  text-align: center;
  text-transform: uppercase;
  border-radius: 3px;
  transition: background 160ms ease, transform 160ms ease;
}

.subscribe-button:hover,
.subscribe-button:focus-visible {
  background: #242424;
  transform: translateY(-2px);
}

.subscribe-icon {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 24px;
  padding-left: 2px;
  background: #f31313;
  border-radius: 6px;
}

.subscribe-label {
  min-width: 0;
}

.signup-column {
  position: relative;
}

.signup-column h2,
.about-intro h2,
.final-cta h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(44px, 4.5vw, 70px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.signup-column h2 {
  font-size: clamp(42px, 3.7vw, 62px);
}

.signup-headline-line {
  display: inline-block;
  white-space: nowrap;
}

.signup-column h2 em,
.about-intro h2 em {
  color: var(--green);
  font-style: normal;
}

.signup-intro {
  max-width: 510px;
  margin: 22px 0 19px;
  color: var(--gray-800);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.52;
}

.signup-intro strong {
  font-style: italic;
}

.form-message {
  margin: 0 0 13px;
  padding: 11px 13px;
  font-size: 14px;
  line-height: 1.4;
  border-left: 4px solid;
}

.form-message.success {
  color: #244700;
  background: #e6f7c7;
  border-color: var(--green);
}

.form-message.error {
  color: #731414;
  background: #ffe5e5;
  border-color: #c62828;
}

.signup-form {
  display: grid;
  gap: 10px;
}

.signup-form > label:not(.honeypot) {
  font-size: 13px;
  font-weight: 700;
}

.email-field {
  position: relative;
}

.email-field input {
  width: 100%;
  min-height: 54px;
  padding: 0 48px 0 15px;
  color: var(--gray-800);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid #bababa;
  border-radius: 4px;
  transition: background 160ms ease, border 160ms ease;
}

.email-field input:focus {
  background: var(--white);
  border-color: var(--blue);
}

.email-field span {
  position: absolute;
  top: 50%;
  right: 16px;
  color: #616161;
  font-size: 20px;
  transform: translateY(-50%);
}

.signup-form button {
  min-height: 53px;
  padding: 0 18px;
  color: #102100;
  background: linear-gradient(180deg, #8fce13, #6fab00);
  border: 0;
  border-radius: 4px;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.025em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}

.signup-form button:hover,
.signup-form button:focus-visible {
  background: linear-gradient(180deg, #a5e92d, #7db900);
  transform: translateY(-2px);
}

.privacy-note {
  margin: 14px 0 0;
  color: #464646;
  font-size: 13px;
}

.privacy-note span {
  color: var(--green);
}

.honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.book-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  perspective: 1000px;
}

.book {
  position: relative;
  z-index: 2;
  width: min(220px, 100%);
  aspect-ratio: 0.65;
  transform: rotateY(-17deg) rotateX(2deg);
  transform-style: preserve-3d;
  transition: transform 260ms ease;
}

.book-stage:hover .book {
  transform: rotateY(-10deg) rotateX(0) translateY(-5px);
}

.book::after {
  content: "";
  position: absolute;
  top: 2%;
  right: -15px;
  width: 16px;
  height: 96%;
  background: linear-gradient(90deg, #d5d5d5, #ffffff 45%, #ababab);
  transform: rotateY(79deg);
  transform-origin: left center;
}

.book-cover {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 23px 20px 20px;
  overflow: hidden;
  color: var(--white);
  background-image:
    linear-gradient(180deg, rgba(1, 24, 55, 0.4), rgba(0, 12, 29, 0.54) 58%, rgba(0, 8, 18, 0.9)),
    url("jogstep-ebook-desert-runner-v2.jpg");
  background-position: center;
  background-size: cover;
  border-left: 8px solid #111;
  box-shadow: 10px 14px 28px rgba(0, 0, 0, 0.34);
}

.book-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  pointer-events: none;
}

.book-cover > span,
.book-cover > strong {
  position: relative;
  z-index: 2;
  font-family: var(--display);
  font-size: clamp(28px, 2.7vw, 39px);
  font-weight: 900;
  line-height: 0.94;
  text-transform: uppercase;
}

.book-cover .book-number {
  font-size: clamp(27px, 2.5vw, 36px);
}

.book-cover > strong {
  color: var(--green-bright);
}

.book-cover small {
  position: relative;
  z-index: 2;
  margin-top: 24px;
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.2;
}

.book-cover > b {
  position: relative;
  z-index: 2;
  margin-top: auto;
  color: var(--green-bright);
  font-family: "Arial Black", Impact, sans-serif;
  font-size: 22px;
  font-style: italic;
  letter-spacing: -0.06em;
}

.book-cover > b i {
  color: var(--white);
  font-style: italic;
}

.book-shadow {
  position: absolute;
  z-index: 1;
  right: 5%;
  bottom: 22px;
  width: 82%;
  height: 25px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 50%;
  filter: blur(10px);
  transform: rotate(-5deg);
}

.about-section {
  padding: clamp(68px, 7vw, 108px) 0;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(3, 38, 83, 0.97), rgba(4, 73, 135, 0.86)),
    url("jogstep-splash-reference.png");
  background-position: center 23%;
  background-size: cover;
}

.about-intro {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(50px, 8vw, 140px);
  align-items: end;
}

.about-intro h2 {
  font-size: clamp(50px, 6vw, 92px);
}

.about-intro > p {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 1.55vw, 23px);
  line-height: 1.6;
}

.pace-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(50px, 6vw, 85px);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.pace-cards article {
  position: relative;
  min-height: 245px;
  padding: 32px clamp(22px, 3vw, 44px) 22px 0;
}

.pace-cards article + article {
  padding-left: clamp(22px, 3vw, 44px);
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.pace-cards article > span {
  color: #bde986;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.pace-cards h3 {
  margin: 26px 0 12px;
  font-family: var(--display);
  font-size: clamp(38px, 4vw, 58px);
  text-transform: uppercase;
}

.pace-cards p {
  max-width: 330px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.55;
}

.final-cta {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 480px;
  padding: 70px 24px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(3, 44, 94, 0.91), rgba(3, 73, 139, 0.7)),
    url("jogstep-splash-reference.png");
  background-position: center 10%;
  background-size: cover;
  text-align: center;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  pointer-events: none;
}

.final-cta > * {
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  font-size: clamp(64px, 9vw, 128px);
}

.final-cta > p:not(.section-label) {
  margin: 14px 0 25px;
  font-size: clamp(18px, 1.7vw, 24px);
}

.final-actions {
  justify-content: center;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  min-height: 118px;
  padding: 26px clamp(26px, 4vw, 64px);
  color: rgba(255, 255, 255, 0.7);
  background: #031f43;
  font-size: 13px;
}

.footer-logo {
  font-size: 29px;
}

.site-footer p {
  margin: 0;
}

.footer-center {
  display: grid;
  gap: 9px;
  text-align: center;
}

.footer-center nav {
  display: flex;
  justify-content: center;
  gap: 19px;
  color: var(--white);
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-center a:hover,
.footer-center a:focus-visible {
  color: #b9ec58;
}

.site-footer p:last-child {
  justify-self: end;
}

@media (max-width: 1199px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
    column-gap: 14px;
  }

  .primary-nav {
    display: none;
  }

  .social-links {
    display: none;
  }

  .header-ready {
    padding: 9px 12px;
    font-size: 15px;
  }

  .mobile-menu {
    display: block;
  }

  .hero {
    height: 720px;
    min-height: 0;
    background-position: 64% 18%;
    background-size: auto 1230px;
  }

  .hero-mask {
    background: linear-gradient(
      90deg,
      rgba(0, 31, 77, 0.56) 0%,
      rgba(0, 40, 91, 0.38) 46%,
      rgba(0, 43, 96, 0.2) 68%,
      rgba(0, 43, 96, 0.04) 100%
    );
  }

  .hero-copy {
    width: min(650px, 72vw);
    padding-top: 150px;
  }

  .feature-grid {
    grid-template-columns: minmax(340px, 1.05fr) minmax(310px, 0.95fr);
  }

  .book-stage {
    grid-column: 1 / -1;
    min-height: 380px;
    margin-top: -15px;
  }

  .book {
    width: 210px;
  }

  .book-shadow {
    right: auto;
    bottom: 10px;
    width: 260px;
  }
}

@media (max-width: 820px) {
  .section-shell {
    width: min(100% - 42px, 680px);
  }

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

  .feature-grid {
    gap: 55px;
  }

  .book-stage {
    grid-column: auto;
    min-height: 410px;
    margin-top: -10px;
  }

  .signup-column {
    max-width: 580px;
  }

  .about-intro {
    gap: 28px;
  }

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

  .pace-cards article {
    min-height: 0;
    padding: 30px 0;
  }

  .pace-cards article + article {
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
    border-left: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .site-footer p:last-child {
    justify-self: center;
  }
}

@media (max-width: 680px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    padding-inline: 19px;
    background: rgba(5, 78, 160, 0.95);
  }

  .logo {
    font-size: 28px;
  }

  .header-ready {
    display: none;
  }

  .mobile-menu nav {
    top: 62px;
  }

  .hero {
    height: clamp(680px, 178vw, 760px);
    min-height: 0;
    padding-top: 0;
    color: var(--white);
    background-color: var(--blue);
    background-image: url("jogstep-hero-clean-mobile-v1.jpg");
    background-position: 60% center;
    background-size: auto clamp(760px, 185vw, 840px);
  }

  .hero-mask {
    inset: 0;
    height: auto;
    background:
      linear-gradient(180deg, rgba(0, 29, 72, 0.2), rgba(0, 36, 78, 0.01) 42%, rgba(0, 34, 76, 0.38)),
      linear-gradient(90deg, rgba(0, 30, 75, 0.08), rgba(0, 30, 75, 0));
  }

  .hero-copy {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    width: auto;
    padding: 18px;
    color: var(--white);
    background: rgba(3, 45, 99, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    box-shadow: 0 18px 42px rgba(0, 25, 65, 0.3);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .hero-eyebrow {
    display: block;
    margin: 0 0 8px;
    color: #b8e76f;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .hero h1 {
    color: var(--white);
    font-size: clamp(36px, 10.25vw, 44px);
    line-height: 0.94;
    text-shadow: none;
  }

  .hero h1 strong {
    color: #a4db38;
  }

  .hero-copy > p {
    max-width: 520px;
    margin: 10px 0 13px;
    color: rgba(255, 255, 255, 0.88);
    font-size: clamp(14px, 3.7vw, 16px);
    line-height: 1.4;
    text-shadow: none;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 9px;
  }

  .button {
    width: 100%;
    min-height: 46px;
  }

  .hero .button-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.72);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  }

  .hero .button-outline:hover,
  .hero .button-outline:focus-visible {
    background: rgba(255, 255, 255, 0.14);
  }

  .hero .button:focus-visible {
    outline-color: #d7ff7d;
  }

  .feature-section {
    padding: 50px 0 58px;
  }

  .section-label {
    font-size: 21px;
  }

  .section-label-green,
  .section-label-light {
    font-size: 11px;
  }

  .video-card {
    min-height: 260px;
  }

  .video-title {
    font-size: clamp(42px, 13vw, 58px);
  }

  .subscribe-button {
    width: 100%;
    font-size: 18px;
  }

  .signup-column h2,
  .about-intro h2 {
    font-size: clamp(44px, 13vw, 62px);
  }

  .signup-column h2 {
    font-size: clamp(38px, 11.5vw, 54px);
  }

  .book-stage {
    min-height: 380px;
  }

  .book {
    width: 205px;
  }

  .about-section {
    padding: 66px 0;
  }

  .about-intro > p {
    font-size: 17px;
  }

  .final-cta {
    min-height: 420px;
  }

  .final-cta::before {
    inset: 13px;
  }

  .final-actions {
    width: min(100%, 400px);
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 390px) {
  .section-shell {
    width: calc(100% - 30px);
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-copy > p {
    font-size: 15px;
  }

  .button {
    min-height: 46px;
    padding-inline: 14px;
    font-size: 15px;
  }

  .video-card {
    min-height: 235px;
    padding: 20px;
  }

  .video-play {
    width: 58px;
    height: 42px;
  }
}

@media (max-width: 340px) {
  .hero {
    background-position: 61% center;
  }

  .hero-copy {
    left: 12px;
    right: 12px;
    bottom: 12px;
    padding: 16px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-copy > p {
    margin: 9px 0 11px;
  }

  .hero-actions {
    gap: 8px;
  }

  .button {
    min-height: 44px;
    padding-inline: 10px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
