@import url("./fonts.css");

:root {
  --bg: #07090f;
  --bg-elevated: #101218;
  --bg-subtle: #161922;
  --fg: #eef1f6;
  --fg-muted: #9aa3b2;
  --fg-subtle: #6d7686;
  --accent: #3283ff;
  --accent-fg: #ffffff;
  --accent-dim: color-mix(in oklab, var(--accent) 18%, transparent);
  --danger: #e8b4b4;
  --border: color-mix(in oklab, var(--fg) 12%, transparent);
  --border-strong: color-mix(in oklab, var(--fg) 22%, transparent);
  --shadow-border: 0 0 0 1px rgba(255, 255, 255, 0.08);
  --shadow-border-hover: 0 0 0 1px rgba(255, 255, 255, 0.14);

  --font-display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: "Outfit", "Segoe UI", system-ui, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: 1.1875rem;
  --text-xl: clamp(1.5rem, 1.15rem + 1.1vw, 2rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.4vw, 3.15rem);
  --text-3xl: clamp(2.75rem, 1.4rem + 5vw, 6.25rem);

  --leading-tight: 1.08;
  --leading-snug: 1.22;
  --leading-normal: 1.58;

  --tracking-tight: -0.03em;
  --tracking-display: -0.035em;
  --tracking-caps: 0.16em;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --wrap: 1120px;
  --wrap-narrow: 38rem;
  --gutter: clamp(20px, 4vw, 56px);
  --header-h: 72px;

  --motion-micro: 80ms;
  --motion-quick: 150ms;
  --motion-fast: 250ms;
  --motion-slow: 400ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  background: var(--bg);
  color: var(--fg);
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
  background: var(--bg);
  color: var(--fg);
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  text-wrap: balance;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: var(--tracking-display);
  line-height: var(--leading-tight);
  margin: 0;
}

button,
input,
textarea {
  font: inherit;
}

button:not(:disabled),
[role="button"]:not(:disabled),
a.btn {
  cursor: pointer;
}

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

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

.wrap-narrow {
  width: min(var(--wrap-narrow), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--header-h);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: color-mix(in oklab, var(--bg) 94%, transparent);
}

.header-inner {
  height: 100%;
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-height: 44px;
}

.brand img,
.brand svg {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  flex: none;
}

.brand span {
  font-weight: 500;
  letter-spacing: -0.02em;
  font-size: 0.98rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav a {
  text-decoration: none;
  color: var(--fg-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color var(--motion-quick) var(--ease-out);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--fg);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--fg);
  padding: 0;
  position: relative;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  border-radius: 1px;
  position: absolute;
  left: 13px;
  transition: transform var(--motion-fast) var(--ease-out),
    opacity var(--motion-quick) var(--ease-out);
}

.nav-toggle-bars {
  top: 50%;
}

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

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

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px 0 20px;
  border-radius: var(--radius-md);
  border: 0;
  background: var(--accent);
  color: var(--accent-fg);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background-color var(--motion-quick) var(--ease-out),
    transform var(--motion-quick) var(--ease-out);
}

.btn:hover {
  background: color-mix(in oklab, var(--accent) 93%, black);
}

.btn:active {
  transform: scale(0.96);
}

.btn-ghost {
  background: var(--bg-elevated);
  color: var(--fg);
  box-shadow: var(--shadow-border);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-border-hover);
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: end;
  padding: var(--space-8) 0 var(--space-8);
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--bg) 28%, transparent) 0%,
    color-mix(in oklab, var(--bg) 55%, transparent) 42%,
    var(--bg) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin-inline: auto;
  padding-bottom: var(--space-4);
}

.eyebrow {
  margin: 0 0 var(--space-5);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  font-size: var(--text-3xl);
  max-width: 14ch;
  font-weight: 400;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
}

.lede {
  margin: var(--space-5) 0 0;
  max-width: 38rem;
  color: var(--fg-muted);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
}

/* Chapters
   ========================================================================== */

.chapter {
  padding: var(--space-9) 0;
  border-top: 1px solid var(--border);
}

.chapter-grid {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-7);
  align-items: start;
}

.chapter-index {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 0.55em;
}

.chapter h2 {
  font-size: var(--text-2xl);
  max-width: 16ch;
}

.chapter h2 em {
  font-style: italic;
}

.chapter-copy {
  margin-top: var(--space-5);
  max-width: 38rem;
  color: var(--fg-muted);
}

.chapter-copy p + p {
  margin-top: 1em;
}

.chapter-copy p:first-child {
  margin-top: 0;
}

.figure {
  margin: 0;
  padding: 0 0 var(--space-2);
}

.figure img {
  width: 100%;
  height: min(62vh, 640px);
  object-fit: cover;
  outline: 1px solid rgba(255, 255, 255, 0.08);
  outline-offset: -1px;
}

.figure figcaption {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: var(--space-3) auto 0;
  color: var(--fg-subtle);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

.cta-band {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--border);
  text-align: left;
}

.cta-band h2 {
  font-size: var(--text-2xl);
  max-width: 18ch;
}

/* About
   ========================================================================== */

.page-hero {
  padding: calc(var(--space-9) + 12px) 0 var(--space-8);
}

.page-hero h1 {
  font-size: var(--text-2xl);
  max-width: 16ch;
}

.page-hero .lede {
  margin-top: var(--space-5);
}

.essay {
  padding: 0 0 var(--space-9);
}

.essay p {
  margin: 0 0 1.15em;
  color: var(--fg-muted);
}

.essay p:last-child {
  margin-bottom: 0;
}

.split {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: var(--space-8);
  padding: var(--space-9) 0;
  border-top: 1px solid var(--border);
}

.split .essay {
  padding: 0;
}

.advantages-lead {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: 0 auto var(--space-8);
  color: var(--fg-muted);
}

.page-hero.compact {
  padding-bottom: 24px;
}

.advantages {
  border-top: 1px solid var(--border);
  padding: var(--space-9) 0 var(--space-8);
}

.advantages h2 {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: 0 auto var(--space-8);
  font-size: var(--text-2xl);
}

.adv-list {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.adv-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--border);
}

.adv-list h3 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1.4;
  padding-top: 0.2em;
}

.adv-list p {
  margin: 0;
  color: var(--fg-muted);
  max-width: 40rem;
}

.adv-list strong {
  display: block;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
}

/* Plans
   ========================================================================== */

.plan-grid {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-5);
  padding-bottom: var(--space-9);
}

.plan {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.plan-kicker {
  margin: 0 0 var(--space-4);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent);
}

.plan h2 {
  font-size: var(--text-2xl);
}

.plan .plan-lead {
  margin: var(--space-4) 0 0;
  color: var(--fg-muted);
}

.plan p {
  color: var(--fg-muted);
  margin: 1em 0 0;
}

.plan p:first-of-type {
  margin-top: var(--space-5);
}

.price-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.price-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: var(--accent-fg);
  text-decoration: none;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  transition: background-color var(--motion-quick) var(--ease-out),
    transform var(--motion-quick) var(--ease-out);
}

.price-list a:hover {
  background: color-mix(in oklab, var(--accent) 93%, black);
}

.price-list a:active {
  transform: scale(0.96);
}

.price-list .term {
  font-size: var(--text-sm);
}

.price-list .amount {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.plan-next {
  background: transparent;
}

.coming-soon {
  margin-top: auto;
  padding-top: var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

.plans-close {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: 0 auto;
  padding: var(--space-9) 0 var(--space-10);
  border-top: 1px solid var(--border);
}

.plans-close h2 {
  font-size: var(--text-2xl);
  max-width: 16ch;
}

.plans-close p {
  max-width: 38rem;
  color: var(--fg-muted);
}

.plans-close .close-line {
  margin-top: var(--space-6);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
}

/* Plan selector
   ========================================================================== */

   .plan-selector {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3);
    /* margin-top: var(--space-6); */
    margin-top: auto;
    padding-top: var(--space-6);
    align-items: stretch;
  }
  
  .plan-selector select {
    width: 100%;
    min-height: 48px;
    padding: 0 42px 0 16px;
    border: 0;
    border-radius: var(--radius-md);
    background-color: var(--bg);
    color: var(--fg);
    box-shadow: var(--shadow-border);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    outline: none;
  
    /* Remove the browser's default arrow */
    appearance: none;
    -webkit-appearance: none;
  
    /* Custom arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5 6 7.5 9 4.5' stroke='%239aa3b2' stroke-width='1.25' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
  
    transition:
      box-shadow var(--motion-quick) var(--ease-out),
      background-color var(--motion-quick) var(--ease-out);
  }
  
  .plan-selector select:hover {
    box-shadow: var(--shadow-border-hover);
  }
  
  .plan-selector select:focus {
    box-shadow:
      0 0 0 1px color-mix(in oklab, var(--accent) 70%, white),
      0 0 0 4px var(--accent-dim);
  }
  
  .plan-selector select option {
    background: var(--bg-elevated);
    color: var(--fg);
  }
  
  .plan-selector .btn {
    min-width: 140px;
    margin: 0;
  }

/* Contact
   ========================================================================== */

.contact-grid {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin: 0 auto var(--space-10);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-copy h1 {
  font-size: var(--text-2xl);
}

.contact-copy .lede {
  margin-top: var(--space-5);
}

.contact-form {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: grid;
  gap: var(--space-5);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fg);
}

.field input,
.field textarea {
  width: 100%;
  border: 0;
  background: var(--bg);
  color: var(--fg);
  box-shadow: var(--shadow-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  min-height: 48px;
  outline: none;
  transition: box-shadow var(--motion-quick) var(--ease-out);
}

.field textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.5;
}

.field input:focus,
.field textarea:focus {
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 70%, white),
    0 0 0 4px var(--accent-dim);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--fg-subtle);
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--fg-muted);
  min-height: 1.4em;
}

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

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

.contact-form.is-success .fields,
.contact-form.is-success .btn {
  display: none;
}

/* Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0 var(--space-7);
}

.footer-inner {
  width: min(var(--wrap), 100% - 2 * var(--gutter));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: var(--space-6);
  align-items: start;
}

.footer-brand p {
  margin: var(--space-3) 0 0;
  color: var(--fg-subtle);
  font-size: var(--text-sm);
  max-width: 24ch;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  text-decoration: none;
  color: var(--fg-muted);
  font-size: var(--text-sm);
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

.footer-nav a:hover {
  color: var(--fg);
}

.legal {
  margin: 0;
  color: var(--fg-subtle);
  font-size: var(--text-xs);
  justify-self: end;
  align-self: end;
}

/* Motion
   ========================================================================== */

.reveal {
  animation: rise var(--motion-slow) var(--ease-out) both;
}

.reveal-2 {
  animation-delay: 80ms;
}

.reveal-3 {
  animation-delay: 160ms;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .reveal-2,
  .reveal-3 {
    animation: none;
  }
  .btn:active,
  .price-list a:active {
    transform: none;
  }
}

/* Mobile
   ========================================================================== */

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
    z-index: 32;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 31;
    background: var(--bg);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: calc(var(--header-h) + 20px) var(--gutter) var(--gutter);
    gap: var(--space-2);
    transform: translateX(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--motion-fast) var(--ease-out),
      transform var(--motion-fast) var(--ease-out);
  }

  .site-nav.is-open {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }

  .site-nav a {
    font-family: var(--font-display);
    font-size: clamp(2rem, 8vw, 3rem);
    font-weight: 400;
    letter-spacing: var(--tracking-tight);
    color: var(--fg);
    min-height: 56px;
  }

  .chapter-grid,
  .adv-list li,
  .split,
  .plan-grid,
  .contact-grid,
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .hero {
    min-height: calc(100svh - var(--header-h));
    padding-top: var(--space-8);
  }

  .figure img {
    height: 42vh;
  }

  .legal {
    justify-self: start;
  }

  .plan {
    padding: 22px;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }

  .price-list a {
    min-height: 52px;
  }

  .plan-selector {
    grid-template-columns: 1fr;
  }

  .plan-selector .btn {
    width: 100%;
  }
}