/* Signal Gridlane — vibrant creative theme */
:root {
  --ink: #0d1b2a;
  --ink-soft: #243447;
  --paper: #f7faf8;
  --paper-deep: #e8f2ee;
  --teal: #00c2b8;
  --teal-deep: #009990;
  --coral: #ff5a36;
  --coral-deep: #e04322;
  --sun: #ffd23f;
  --lilac: #7b6cff;
  --white: #ffffff;
  --line: rgba(13, 27, 42, 0.12);
  --shadow: 0 18px 40px rgba(13, 27, 42, 0.12);
  --radius: 18px;
  --radius-sm: 10px;
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(0, 194, 184, 0.22), transparent 60%),
    radial-gradient(700px 380px at 92% 8%, rgba(255, 90, 54, 0.18), transparent 55%),
    radial-gradient(600px 360px at 70% 100%, rgba(255, 210, 63, 0.16), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  background-attachment: fixed;
  line-height: 1.65;
  min-height: 100vh;
}

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

a {
  color: var(--teal-deep);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--coral-deep);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(247, 250, 248, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.45rem;
  background:
    linear-gradient(135deg, var(--coral), var(--sun) 48%, var(--teal));
  box-shadow: 0 0 0 3px rgba(0, 194, 184, 0.18);
  animation: pulse-mark 3.6s ease-in-out infinite;
}

@keyframes pulse-mark {
  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(8deg) scale(1.06);
  }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--coral);
}

.site-nav .nav-cta {
  background: var(--ink);
  color: var(--white);
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
}

.site-nav .nav-cta:hover {
  background: var(--coral);
  color: var(--white);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0.4rem;
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.4rem;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
  }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(255, 90, 54, 0.35);
}

.btn-primary:hover {
  background: var(--coral-deep);
  color: var(--white);
}

.btn-secondary {
  background: var(--ink);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--ink-soft);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--white);
}

/* Shapes / atmosphere */
.shape-blob {
  position: absolute;
  border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
  filter: blur(0);
  z-index: 0;
  pointer-events: none;
  animation: floaty 9s ease-in-out infinite;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-14px) rotate(4deg);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation: rise-in 0.7s ease both;
}

.reveal-delay-1 {
  animation-delay: 0.12s;
}

.reveal-delay-2 {
  animation-delay: 0.24s;
}

/* Hero — brand-forward composition */
.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  padding: 2.5rem 0 3.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.05);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(13, 27, 42, 0.82) 8%, rgba(13, 27, 42, 0.45) 48%, rgba(0, 194, 184, 0.28) 100%),
    linear-gradient(0deg, rgba(13, 27, 42, 0.55), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  max-width: 38rem;
  padding-bottom: 1rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 0.85rem;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.hero-brand span {
  display: block;
  color: var(--sun);
}

.hero-line {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  max-width: 28ch;
  margin-bottom: 1.4rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero .btn-primary {
  box-shadow: 0 12px 28px rgba(255, 90, 54, 0.45);
}

/* Sections */
.section {
  padding: 4.5rem 0;
  position: relative;
}

.section-kicker {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--coral);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  max-width: 18ch;
}

.section-lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 52ch;
}

.panel {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

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

.grid-3 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Proof ribbon */
.proof-ribbon {
  margin-top: -1.5rem;
  position: relative;
  z-index: 2;
}

.proof-track {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
  box-shadow: var(--shadow);
}

.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--sun);
}

.proof-item span {
  font-size: 0.9rem;
  opacity: 0.86;
}

/* Feature tiles — interaction containers */
.benefit {
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease;
}

.benefit:hover {
  transform: translateY(-4px);
}

.benefit-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  font-weight: 800;
  margin-bottom: 0.85rem;
  background: linear-gradient(135deg, var(--teal), var(--sun));
  color: var(--ink);
}

.benefit h3 {
  font-size: 1.25rem;
}

/* Course cards — interaction containers for browsing */
.course-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}

.course-card:hover {
  transform: translateY(-5px);
  color: inherit;
}

.course-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.course-card-body {
  padding: 1.15rem 1.2rem 1.35rem;
}

.course-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.course-meta {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 0.55rem;
}

/* Testimonials */
.quote-stack {
  display: grid;
  gap: 1.25rem;
}

.quote {
  position: relative;
  padding: 1.4rem 1.5rem;
  background: var(--white);
  border-left: 5px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.quote.alt {
  border-left-color: var(--coral);
  background: linear-gradient(135deg, rgba(255, 210, 63, 0.18), var(--white));
}

.quote.compact {
  max-width: 36rem;
}

.quote p {
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
}

.quote footer {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.stars {
  color: var(--coral);
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

/* Pricing */
.price-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

@media (max-width: 900px) {
  .price-grid {
    grid-template-columns: 1fr;
  }
}

.price-tier {
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.price-tier.featured {
  border-color: var(--coral);
  background:
    linear-gradient(180deg, rgba(255, 90, 54, 0.08), transparent 40%),
    var(--white);
  transform: scale(1.02);
}

.price-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.03em;
}

.price-amount span {
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--ink-soft);
}

.price-tier ul {
  margin: 0.4rem 0 1rem;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  flex: 1;
}

.price-note {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Forms */
.form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.35rem;
}

.form-row label {
  font-weight: 700;
}

.form-row input,
.form-row select,
.form-row textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--line);
  background: var(--white);
  color: var(--ink);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 194, 184, 0.2);
}

.field-error {
  color: var(--coral-deep);
  font-size: 0.88rem;
  min-height: 1.2em;
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(0, 194, 184, 0.15);
  border: 1px solid var(--teal);
}

.form-status.is-error {
  display: block;
  background: rgba(255, 90, 54, 0.12);
  border: 1px solid var(--coral);
}

/* Blog */
.blog-list {
  display: grid;
  gap: 1.4rem;
}

.blog-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.2rem;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease;
}

.blog-item:hover {
  transform: translateY(-3px);
  color: inherit;
}

.blog-item img {
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
}

.blog-item-body {
  padding: 1.1rem 1.1rem 1.1rem 0;
}

@media (max-width: 720px) {
  .blog-item {
    grid-template-columns: 1fr;
  }

  .blog-item-body {
    padding: 0 1.1rem 1.2rem;
  }
}

.article {
  max-width: 42rem;
}

.article-hero {
  margin: 0 0 1.75rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.article-hero img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.article h2 {
  margin-top: 1.6rem;
}

/* Legal */
.legal {
  max-width: 48rem;
}

.legal h2 {
  margin-top: 1.8rem;
  font-size: 1.35rem;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
  background: var(--white);
}

.legal th,
.legal td {
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.legal th {
  background: rgba(0, 194, 184, 0.12);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: 520px;
  margin-inline: auto;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  display: none;
}

.cookie-banner.is-visible {
  display: block;
  animation: rise-in 0.35s ease both;
}

.cookie-banner p {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.cookie-banner a {
  color: var(--sun);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.cookie-actions .btn {
  padding: 0.65rem 1.05rem;
  font-size: 0.92rem;
}

.cookie-actions .btn-accept {
  background: var(--teal);
  color: var(--ink);
}

.cookie-actions .btn-reject {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.45);
}

.inline-error {
  margin: 0.75rem 0;
  padding: 0.75rem 1rem;
  background: rgba(255, 90, 54, 0.12);
  border: 1px solid var(--coral);
  border-radius: var(--radius-sm);
  color: var(--coral-deep);
}

/* Page heroes (inner) */
.page-hero {
  padding: 3.2rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  max-width: 16ch;
}

.page-hero p {
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.accent-shape {
  position: absolute;
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, var(--sun), var(--coral));
  opacity: 0.35;
  border-radius: 32% 68% 55% 45% / 48% 40% 60% 52%;
  right: 8%;
  top: 10%;
  z-index: -1;
  animation: floaty 8s ease-in-out infinite;
}

/* FAQ */
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-display);
}

.faq details[open] summary {
  margin-bottom: 0.5rem;
  color: var(--coral-deep);
}

/* Modules */
.module-list {
  counter-reset: mod;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.module-list li {
  counter-increment: mod;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem 1rem 3.2rem;
  border: 1px solid var(--line);
  position: relative;
}

.module-list li::before {
  content: counter(mod, decimal-leading-zero);
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--teal-deep);
}

/* 404 */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page .code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 16vw, 8rem);
  line-height: 0.9;
  background: linear-gradient(120deg, var(--coral), var(--sun), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.88);
  padding: 3rem 0 2rem;
}

.footer-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 0.5rem;
}

.footer-tag {
  max-width: 36ch;
  color: rgba(255, 255, 255, 0.72);
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr) 1.4fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.footer-heading {
  font-size: 0.95rem;
  color: var(--sun);
  margin: 0 0 0.7rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--teal);
}

.footer-links li {
  margin-bottom: 0.4rem;
}

.footer-address {
  font-style: normal;
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
}

.footer-copy {
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 900px) {
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer-cols {
    grid-template-columns: 1fr;
  }
}

/* Instructor */
.instructor {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.2rem;
  align-items: center;
}

.instructor img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--sun);
}

@media (max-width: 560px) {
  .instructor {
    grid-template-columns: 1fr;
  }
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(120deg, rgba(0, 194, 184, 0.2), rgba(255, 90, 54, 0.18)),
    var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  text-align: center;
}

.cta-band h2 {
  max-width: none;
  margin-inline: auto;
}

.media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 3px solid var(--white);
  box-shadow: var(--shadow);
}

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

.split-visual {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 860px) {
  .split-visual {
    grid-template-columns: 1fr;
  }
}