:root {
  --ink: #1f2630;
  --text: #4d5563;
  --muted: #747d8c;
  --line: #dde2ea;
  --line-dark: #c9d0da;
  --panel: #ffffff;
  --paper: #f7f8fa;
  --soft: #f0f2f5;
  --soft-2: #e8ebf0;
  --accent: #2b313a;
  --accent-2: #596170;
  --accent-soft: #eef0f3;
  --shadow: 0 18px 45px rgba(31, 38, 48, 0.08);
  --soft-shadow: 0 9px 24px rgba(31, 38, 48, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, #fbfbfc 0%, #f7f8fa 44%, #ffffff 100%);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.lucide {
  width: 18px;
  height: 18px;
  stroke-width: 1.55;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  width: min(1160px, calc(100% - 32px));
  min-height: 60px;
  margin: 14px auto 0;
  padding: 7px 8px 7px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  border: 1px solid rgba(221, 226, 234, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--soft-shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: 104px;
}

.site-nav {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border: 1px solid #e5e8ee;
  border-radius: 999px;
  background: #f3f4f6;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: #596170;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--ink);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(31, 38, 48, 0.05);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: #fff;
}

.header-action,
.primary-btn,
.secondary-btn {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.header-action,
.primary-btn {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(31, 38, 48, 0.13);
}

.header-action {
  padding: 0 15px;
}

.primary-btn {
  padding: 0 18px;
}

.header-action:hover,
.primary-btn:hover {
  background: #111827;
  transform: translateY(-1px);
}

.secondary-btn {
  padding: 0 17px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line-dark);
}

.secondary-btn:hover {
  border-color: #aeb6c2;
  box-shadow: var(--soft-shadow);
}

.hero {
  min-height: 650px;
  margin-top: -74px;
  padding: 168px 0 74px;
  display: flex;
  align-items: center;
  background-image:
    linear-gradient(90deg, rgba(250, 251, 252, 0.98) 0%, rgba(250, 251, 252, 0.95) 43%, rgba(250, 251, 252, 0.72) 73%, rgba(250, 251, 252, 0.9) 100%),
    url("../images/SM_Pro_Img_Hero.webp");
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.story-copy h2,
.academy-copy h2,
.final-cta h2 {
  margin: 0;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0;
}

.hero h1 {
  font-size: 62px;
  line-height: 1.07;
}

.lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--text);
  font-size: 19px;
  font-weight: 400;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-points {
  margin-top: 24px;
  display: grid;
  gap: 9px;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #596170;
  font-size: 15px;
  font-weight: 500;
}

.hero-points .lucide {
  color: var(--accent);
}

.quick-summary {
  width: min(1160px, calc(100% - 32px));
  margin: -34px auto 0;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.quick-summary article,
.benefit-grid article,
.feature-grid article,
.lesson-grid article,
.platform-grid article,
.pricing-main,
.price-grid article,
.faq-list details,
.module-tabs,
.curriculum-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 6px 18px rgba(31, 38, 48, 0.04);
}

.quick-summary article {
  padding: 20px;
}

.quick-summary strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
}

.quick-summary span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
}

.section {
  padding: 86px 0;
}

.section-heading {
  width: min(850px, calc(100% - 32px));
  margin: 0 auto 38px;
  text-align: center;
}

.section-heading.align-left {
  width: min(1160px, calc(100% - 32px));
  text-align: left;
}

.section-heading.compact {
  margin-bottom: 30px;
}

.section-heading h2,
.story-copy h2,
.academy-copy h2,
.final-cta h2 {
  font-size: 42px;
  line-height: 1.16;
}

.section-heading p,
.story-copy p,
.academy-copy p,
.final-cta p {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 400;
}

.intro-section,
.feature-library,
.platforms,
.faq {
  background: linear-gradient(180deg, rgba(247, 248, 250, 0.88), rgba(255, 255, 255, 0.92));
}

.benefit-grid {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.benefit-grid article,
.feature-grid article {
  padding: 24px;
}

.benefit-grid .lucide,
.feature-grid .lucide {
  color: var(--accent-2);
}

.benefit-grid h3,
.feature-grid h3,
.lesson-grid h3,
.platform-grid strong,
.pricing-main h3,
.price-grid h4,
.faq-list summary,
.module-tabs h3,
.curriculum-grid h3 {
  margin: 14px 0 9px;
  color: var(--ink);
  font-weight: 600;
}

.benefit-grid h3,
.feature-grid h3,
.platform-grid strong,
.curriculum-grid h3 {
  font-size: 20px;
}

.benefit-grid p,
.feature-grid p,
.lesson-grid p,
.platform-grid span,
.price-grid p,
.faq-list p,
.module-tabs p,
.curriculum-grid p {
  margin: 0;
  color: var(--muted);
  font-weight: 400;
}

.visual-story {
  background: #fff;
}

.story-row {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 42px;
}

.story-row + .story-row {
  margin-top: 68px;
}

.story-row.reverse .story-copy {
  order: 2;
}

.story-image {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.story-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.clean-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
  color: #4f5867;
  font-weight: 500;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9aa3af;
}

.feature-grid {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-grid article {
  min-height: 205px;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.feature-grid article:hover,
.benefit-grid article:hover,
.lesson-grid article:hover,
.price-grid article:hover,
.curriculum-grid article:hover {
  transform: translateY(-2px);
  border-color: #c6ccd6;
  box-shadow: var(--soft-shadow);
}

.academy {
  background: linear-gradient(135deg, #ffffff, #f1f3f6);
}

.academy-layout {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 34px;
}

.academy-copy {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--soft-shadow);
}

.academy-copy .secondary-btn {
  margin-top: 24px;
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.lesson-grid article {
  padding: 22px;
}

.lesson-grid span,
.curriculum-grid span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 13px;
  font-weight: 600;
}

.modules {
  background: #fff;
}

.curriculum-grid {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.curriculum-grid article {
  padding: 20px;
}

.curriculum-grid h3 {
  margin-top: 16px;
}

.module-tabs {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  overflow: hidden;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 12px;
  background: #f6f7f9;
  border-bottom: 1px solid var(--line);
}

.tab-buttons button {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #57606d;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.tab-buttons button.is-active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.tab-content {
  display: none;
  padding: 32px;
}

.tab-content.is-active {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: start;
}

.tab-content > div,
.tab-content > h3,
.tab-content > p {
  grid-column: 1;
}

.tab-content h3 {
  margin: 0 0 10px;
  font-size: 28px;
}

.tab-content p {
  max-width: 680px;
  font-size: 16px;
}

.lesson-list {
  grid-column: 2;
  grid-row: 1 / span 3;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.lesson-list li {
  position: relative;
  padding: 13px 14px 13px 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: #4f5867;
  font-weight: 400;
}

.lesson-list li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 21px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9aa3af;
}

.media-grid-section {
  background: linear-gradient(180deg, #fff, #f8f9fb);
}

.media-grid {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.media-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--soft-shadow);
}

.media-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.platform-grid {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.platform-grid article {
  min-height: 122px;
  padding: 20px;
}

.platform-grid strong {
  display: block;
  margin: 0;
}

.platform-grid span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}

.pricing {
  background: #fff;
}

.pricing-main {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 270px;
  gap: 26px;
  align-items: stretch;
  background: #f5f6f8;
}

.pricing-badge {
  display: inline-flex;
  margin-bottom: 13px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #4f5867;
  background: #e7ebf0;
  font-size: 12px;
  font-weight: 600;
}

.pricing-main h3 {
  margin: 0 0 12px;
  font-size: 30px;
}

.pricing-main p {
  max-width: 660px;
  margin: 0 0 20px;
  color: var(--muted);
  font-weight: 400;
}

.pricing-main ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.pricing-main li {
  position: relative;
  padding-left: 24px;
  color: #4f5867;
  font-weight: 500;
}

.pricing-main li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9aa3af;
}

.main-price {
  padding: 24px;
  display: grid;
  align-content: center;
  justify-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.main-price strong {
  display: block;
  color: var(--ink);
  font-size: 40px;
  line-height: 1;
  font-weight: 700;
}

.main-price span,
.main-price small {
  color: var(--muted);
  font-weight: 500;
}

.main-price .primary-btn {
  margin-top: 18px;
}

.renewal-heading {
  width: min(1040px, calc(100% - 32px));
  margin: 52px auto 20px;
  text-align: center;
}

.renewal-heading h3 {
  margin: 0 0 7px;
  color: var(--ink);
  font-size: 28px;
  font-weight: 600;
}

.renewal-heading p {
  margin: 0;
  color: var(--muted);
}

.price-grid {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.price-grid article {
  position: relative;
  padding: 23px 20px;
}

.price-grid article.popular {
  border-color: #aeb6c2;
  background: #f8f9fb;
}

.price-grid em {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 8px;
  border-radius: 999px;
  color: #4f5867;
  background: #e7ebf0;
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
}

.price-grid h4 {
  margin: 0 0 12px;
  font-size: 18px;
}

.price-grid strong {
  display: block;
  color: var(--ink);
  font-size: 31px;
  line-height: 1;
  font-weight: 700;
}

.price-grid span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-weight: 500;
}

.price-grid p {
  margin-top: 15px;
}

.faq-list {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  margin: 0;
  cursor: pointer;
  font-size: 17px;
}

.faq-list p {
  margin-top: 12px;
}

.final-cta {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto 72px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 330px;
  align-items: center;
  gap: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f8fa;
  box-shadow: var(--soft-shadow);
}

.contact-box {
  display: grid;
  gap: 10px;
}

.contact-box a {
  min-height: 52px;
  padding: 0 15px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.contact-box a:hover {
  border-color: #aeb6c2;
  box-shadow: var(--soft-shadow);
}

.site-footer {
  padding: 40px 16px;
  text-align: center;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 100px;
  margin: 0 auto 16px;
}

.site-footer p {
  margin: 0 0 8px;
  font-weight: 500;
}

.site-footer small {
  color: #8a94a3;
}

@media (max-width: 1100px) {
  .academy-layout,
  .pricing-main,
  .final-cta,
  .story-row {
    grid-template-columns: 1fr;
  }

  .story-row.reverse .story-copy {
    order: initial;
  }

  .quick-summary,
  .feature-grid,
  .platform-grid,
  .price-grid,
  .media-grid,
  .curriculum-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: auto auto auto;
    border-radius: 18px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 12px;
  }

  .benefit-grid,
  .lesson-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    margin-top: -72px;
    padding-top: 150px;
    background-position: 62% center;
  }

  .hero h1 {
    font-size: 48px;
  }

  .section-heading h2,
  .story-copy h2,
  .academy-copy h2,
  .final-cta h2 {
    font-size: 36px;
  }

  .tab-content.is-active {
    grid-template-columns: 1fr;
  }

  .lesson-list {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    gap: 8px;
    padding-left: 10px;
  }

  .brand img {
    width: 88px;
  }

  .header-action {
    width: 40px;
    padding: 0;
    font-size: 0;
  }

  .hero {
    padding: 136px 0 58px;
    background-image:
      linear-gradient(180deg, rgba(250, 251, 252, 0.98) 0%, rgba(250, 251, 252, 0.95) 56%, rgba(250, 251, 252, 0.88) 100%),
      url("../images/SM_Pro_Img_Hero.webp");
  }

  .hero h1 {
    font-size: 36px;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .quick-summary,
  .feature-grid,
  .platform-grid,
  .price-grid,
  .media-grid,
  .curriculum-grid {
    grid-template-columns: 1fr;
  }

  .quick-summary {
    margin-top: 14px;
  }

  .section {
    padding: 62px 0;
  }

  .section-heading h2,
  .story-copy h2,
  .academy-copy h2,
  .final-cta h2 {
    font-size: 29px;
  }

  .section-heading p,
  .story-copy p,
  .academy-copy p,
  .final-cta p {
    font-size: 16px;
  }

  .benefit-grid article,
  .feature-grid article,
  .academy-copy,
  .pricing-main,
  .final-cta,
  .tab-content {
    padding: 22px;
  }

  .main-price strong {
    font-size: 36px;
  }

  .contact-box a {
    font-size: 14px;
  }
}