/* ByteCraft Base — soft neutral minimalist theme */
:root {
  --bg: #f6f5f2;
  --bg-elevated: #ffffff;
  --ink: #1c1d1a;
  --ink-soft: #5a5d56;
  --line: #e3e0d8;
  --accent: #1e3a36;
  --accent-soft: #2f5650;
  --mist: #d9e4df;
  --sand: #ebe8e1;
  --warn: #8a3b2d;
  --ok: #2a5a45;
  --radius: 2px;
  --shadow: 0 18px 40px rgba(28, 29, 26, 0.06);
  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", serif;
  --font-body: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  --space: clamp(1rem, 2vw, 1.5rem);
  --max: 1120px;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(217, 228, 223, 0.55), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(235, 232, 225, 0.9), transparent 50%),
    var(--bg);
  min-height: 100vh;
}

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

a {
  color: var(--accent-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.inline-error {
  margin: 0;
  padding: 0.75rem 1rem;
  background: #f6e8e4;
  color: var(--warn);
  border-bottom: 1px solid #e7cfc7;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(246, 245, 242, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.9rem var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

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

.brand-mark {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 4px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-soft) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

.site-nav .nav-cta {
  color: #fff;
  background: var(--accent);
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius);
}

.site-nav .nav-cta:hover {
  background: var(--accent-soft);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 0.55rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  width: 100%;
}

/* Layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space);
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-tight {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  max-width: 38rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-soft);
  color: #fff;
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Hero — full-bleed visual plane */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  color: #f4f7f5;
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 32, 30, 0.25) 0%, rgba(18, 32, 30, 0.72) 68%, rgba(18, 32, 30, 0.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: clamp(5rem, 12vw, 8rem) var(--space) clamp(3rem, 6vw, 4.5rem);
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  max-width: 12ch;
  animation: riseIn 0.9s ease both;
}

.hero-line {
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  max-width: 28rem;
  color: rgba(244, 247, 245, 0.88);
  margin: 0;
  animation: riseIn 1s ease 0.12s both;
}

.hero .btn-row {
  animation: riseIn 1s ease 0.22s both;
}

.hero .btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.hero .btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

@keyframes heroDrift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.5%, -1%, 0);
  }
}

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

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Proof strip */
.proof {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 1.75rem 0;
}

.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.proof-item span {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Course / content grids — interaction containers, not decorative cards */
.course-grid,
.post-grid,
.tier-grid,
.review-grid {
  display: grid;
  gap: 1.5rem;
}

.course-grid {
  grid-template-columns: repeat(3, 1fr);
}

.post-grid {
  grid-template-columns: repeat(3, 1fr);
}

.tier-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

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

.course-item,
.post-item,
.tier,
.review-block,
.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.course-item a,
.post-item a {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.course-item img,
.post-item img,
.page-hero img,
.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.course-body,
.post-body,
.tier-body,
.review-body,
.panel-body {
  padding: 1.25rem 1.35rem 1.5rem;
}

.course-body h3,
.post-body h3,
.tier-body h3 {
  font-size: 1.35rem;
  color: var(--ink);
}

.meta {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.price-tag {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--ink);
  margin: 0.75rem 0;
}

.tier.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.tier-body ul {
  margin-bottom: 1.25rem;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.split img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border-radius: var(--radius);
}

.benefit-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
}

.benefit-list li {
  padding-left: 1.1rem;
  border-left: 2px solid var(--mist);
}

.benefit-list strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 1rem;
}

.quote-attr {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.page-hero {
  position: relative;
  min-height: 42vh;
  display: grid;
  align-items: end;
  color: #f4f7f5;
  overflow: hidden;
}

.page-hero .hero-media {
  position: absolute;
  inset: 0;
}

.page-hero .hero-content {
  padding-top: 6rem;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 14ch;
  color: #fff;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: 2.25rem;
  font-size: 1.65rem;
}

.prose h3 {
  margin-top: 1.5rem;
  font-size: 1.25rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.25rem 0 1.75rem;
}

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

.prose th {
  background: var(--sand);
  color: var(--ink);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.faq p {
  margin-top: 0.75rem;
}

.modules {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.module {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.module-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  min-width: 2rem;
}

.form-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 1.5rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  background: #fff;
  color: var(--ink);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--mist);
  border-color: var(--accent-soft);
}

.field-error {
  margin: 0.35rem 0 0;
  color: var(--warn);
  font-size: 0.88rem;
}

.form-status {
  margin-top: 1rem;
  font-size: 0.95rem;
}

.form-status.is-success {
  color: var(--ok);
}

.form-status.is-error {
  color: var(--warn);
}

.form-status.is-pending {
  color: var(--ink-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.contact-aside {
  padding: 1.5rem;
  background: var(--sand);
  border-radius: var(--radius);
}

.contact-aside h2 {
  font-size: 1.35rem;
}

.rating {
  letter-spacing: 0.08em;
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.case-study {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
}

.cta-band {
  background: var(--accent);
  color: #eef4f1;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 16ch;
}

.cta-band p {
  color: rgba(238, 244, 241, 0.85);
  max-width: 34rem;
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--accent);
}

.cta-band .btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #efeee9;
  padding: 3.5rem 0 2rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.footer-tag {
  max-width: 28rem;
  font-size: 0.95rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr) 1.4fr;
  gap: 1.5rem;
  margin: 2.5rem 0 2rem;
}

.footer-brand {
  grid-column: 1;
}

.footer-cols > div:nth-child(2) {
  grid-column: 2;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--ink);
}

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

.footer-cols li {
  margin-bottom: 0.45rem;
}

.footer-cols a {
  text-decoration: none;
  color: var(--ink-soft);
}

.footer-cols a:hover {
  color: var(--ink);
}

.footer-contact {
  font-size: 0.9rem;
}

.footer-copy {
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  margin: 0;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  padding: 1rem;
  pointer-events: none;
}

.cookie-banner-inner {
  pointer-events: auto;
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.25rem;
  display: grid;
  gap: 1rem;
}

.cookie-banner-inner p {
  margin: 0;
  font-size: 0.92rem;
}

.cookie-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.not-found {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 4rem var(--space);
}

.not-found h1 {
  font-size: clamp(3rem, 8vw, 5rem);
}

@media (max-width: 960px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .course-grid,
  .post-grid,
  .tier-grid,
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .course-detail {
    grid-template-columns: 1fr !important;
  }

  .course-detail aside {
    position: static !important;
  }

  .tier-wide {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem var(--space) 1.25rem;
    gap: 0.35rem;
    display: none;
  }

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

  .site-nav a {
    padding: 0.65rem 0.25rem;
  }

  .site-nav .nav-cta {
    text-align: center;
    margin-top: 0.35rem;
  }

  .course-grid,
  .post-grid,
  .tier-grid,
  .review-grid,
  .proof-grid,
  .footer-cols {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 78vh;
  }
}