/* ==========================================================================
   antowl — stylesheet
   Plain CSS, no build step, no CDN. Paths are relative so the page works
   opened straight off disk as well as hosted.

   Matches the live antowl.com look: black canvas, white text, #00da3c green,
   uppercase Plus Jakarta Sans headings, full-bleed photo sections.

   1. Font
   2. Tokens
   3. Reset & base
   4. Layout
   5. Typography
   6. Buttons
   7. Header & nav
   8. Hero
   9. Feature blocks
   10. Numbered steps
   11. Photo sections
   12. Beta / markets / premium
   13. Contact form
   14. Footer
   15. Motion
   16. Responsive
   ========================================================================== */

/* 1. Font ----------------------------------------------------------------- */

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/plus-jakarta-sans-latin-wght-normal.woff2") format("woff2-variations");
}

/* 2. Tokens --------------------------------------------------------------- */

:root {
  --black: #000000;
  --off-black: #0a0a0a;
  --panel: #111111;
  --panel-2: #171717;
  --border: #262626;
  --white: #ffffff;
  --grey: #c2c2c2;
  --grey-dim: #8a8a8a;
  --green: #00da3c;
  --green-dark: #176925;

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --container: 75rem;
  --section-pad: 6rem;
}

/* 3. Reset & base --------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* sticky header clearance for anchor jumps */
}

body {
  margin: 0;
  background: var(--black);
  color: var(--grey);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  background: var(--green);
  color: var(--black);
  padding: 0.6rem 1rem;
  font-weight: 700;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* 4. Layout --------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section { padding-block: var(--section-pad); }
.section--tight { padding-block: 3.5rem; }
.section--dark { background: var(--off-black); }
.section--panel { background: var(--panel); }
.center { text-align: center; }

.grid { display: grid; gap: 2rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--split { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4rem; align-items: center; }

.stack { max-width: 52rem; }
.stack--center { margin-inline: auto; text-align: center; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }

/* 5. Typography ----------------------------------------------------------- */

.h1,
.h2,
.h3 {
  margin: 0;
  color: var(--white);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-wrap: balance;
}

.h1 { font-size: clamp(2.4rem, 5.6vw, 4.25rem); }
.h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); }
.h3 { font-size: clamp(1.3rem, 2.2vw, 1.65rem); }

.h4 {
  margin: 0;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.4;
}

.subhead {
  margin: 0;
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.lead {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--grey);
}

p { margin: 0; }
p + p { margin-top: 1rem; }

.muted { color: var(--grey-dim); }
.green { color: var(--green); }
.rule {
  width: 64px;
  height: 3px;
  background: var(--green);
  border: 0;
  margin: 1.5rem 0 0;
}
.rule--center { margin-inline: auto; }

/* 6. Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 2.1rem;
  border: 2px solid var(--green);
  background: var(--green);
  color: var(--black);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:hover { background: transparent; color: var(--green); }

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn--outline:hover { background: var(--white); color: var(--black); }

.btn--sm { padding: 0.7rem 1.4rem; font-size: 0.72rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-row--center { justify-content: center; }

/* 7. Header & nav --------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgb(0 0 0 / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

/* Logo sits centred with the nav split either side of it. */
.header > .container { max-width: 90rem; }

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  height: 95px;
}

.header__logo { justify-self: center; }
.header__logo img { width: 228px; }

.header__nav {
  display: flex;
  justify-content: center;
  gap: 3rem;
}

.nav-link {
  position: relative;
  padding-block: 0.4rem;
  color: #9a9a9a;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--white); }

.nav-link[aria-current="true"] { color: var(--white); }
.nav-link[aria-current="true"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--white);
}

.nav-toggle {
  display: none;
  grid-column: 3;
  justify-self: end;
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.55rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
}
.nav-toggle span + span { margin-top: 5px; }

.mobile-nav { border-top: 1px solid var(--border); background: var(--off-black); }
.mobile-nav nav { display: flex; flex-direction: column; padding: 0.5rem 1.5rem 1.25rem; }
.mobile-nav a {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--grey);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}

/* 8. Hero ----------------------------------------------------------------- */

/* Photo fills the left half edge-to-edge; copy sits on black to the right. */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  background: var(--black);
}

/* Fills the viewport under the header, but capped so a tall window doesn't
   stretch the hero into a full-screen photo. */
.hero__media {
  position: relative;
  min-height: clamp(34rem, calc(100vh - 95px), 52rem);
}
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem clamp(2rem, 5vw, 5.5rem);
  max-width: 48rem;
}

/* Lighter and much wider-tracked than the section headings. */
.hero__title {
  margin: 0;
  color: var(--white);
  /* Floor has to stay small: "MARKET SENTIMENT" is one unbreakable-looking
     line at this tracking, and anything larger overflows a 390px viewport. */
  font-size: clamp(1.6rem, 5.2vw, 3.3rem);
  font-weight: 500;
  line-height: 1.24;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero__sub {
  margin-top: 3.5rem;
  max-width: 34rem;
  color: #d4d4d4;
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero__avail {
  margin-top: 1.75rem;
  color: var(--white);
  font-size: 1.02rem;
  font-style: italic;
}
.hero__avail .dot { padding-inline: 0.4rem; }

.hero__links {
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.6rem;
}

.hero__link {
  display: inline-flex;
  align-items: center;
  gap: 1.6rem;
  color: var(--white);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  text-decoration: none;
}
.hero__link:hover { color: var(--green); }

.hero__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 5px;
  background: var(--green);
  color: var(--black);
}

.hero__beta {
  margin-top: 3rem;
  color: #d4d4d4;
  font-size: 0.98rem;
}

/* 9. Feature blocks ------------------------------------------------------- */

.feature {
  padding: 2.25rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: 3px solid var(--green);
  height: 100%;
}
.feature p { margin-top: 1rem; font-size: 0.97rem; }

/* 10. Numbered steps ------------------------------------------------------ */

.steps { counter-reset: step; }

.step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.75rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: 0; }

.step__num {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--green);
  letter-spacing: -0.02em;
}
.step__body h3 { margin: 0; }
.step__body p { margin-top: 0.65rem; font-size: 0.97rem; }

/* Compact numbered list used by "who uses antowl" */
.who {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.who__item {
  padding: 2.25rem 1.75rem;
  background: var(--black);
}
.who__num {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.who__item h3 {
  margin: 1rem 0 0;
  color: var(--white);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: 0;
}

/* 11. Photo sections ------------------------------------------------------ */

.photo-section {
  position: relative;
  padding-block: var(--section-pad);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.photo-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 0.78);
}
.photo-section > .container { position: relative; }

/* The dashboard shot is nearly the same value as the backdrop behind it. */
.photo-section img { border: 1px solid var(--border-strong, #3a3a3a); }

.photo-section--team { background-image: url("../images/team_image_web.webp"); }
.photo-section--why { background-image: url("../images/why_antowl_1600.jpg"); }
.photo-section--platform { background-image: url("../images/platform_bkg2.webp"); }

.advantage {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.advantage__item {
  padding-left: 1.5rem;
  border-left: 3px solid var(--green);
}
.advantage__item p { margin-top: 0.35rem; font-size: 0.97rem; }

.bullets {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}
.bullets li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--grey);
}
.bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  background: var(--green);
}

/* 12. Beta / markets / premium -------------------------------------------- */

.info-card {
  padding: 2.25rem;
  background: var(--panel);
  border: 1px solid var(--border);
  height: 100%;
}
.info-card--accent {
  background: linear-gradient(160deg, rgb(0 218 60 / 0.12), rgb(0 218 60 / 0.02));
  border-color: rgb(0 218 60 / 0.4);
}
.info-card p + p { margin-top: 0.85rem; }
.info-card__label {
  display: block;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.markets {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.markets li {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--black);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.premium-card {
  background: var(--panel);
  border: 1px solid var(--border);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.premium-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.premium-card__body { padding: 1.75rem; }
.premium-card h3 {
  margin: 0;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.premium-card ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  font-size: 0.93rem;
}
.premium-card li { position: relative; padding-left: 1.4rem; }
.premium-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  background: var(--green);
}

.newsletter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.newsletter input {
  flex: 1 1 16rem;
  padding: 1rem 1.1rem;
  background: var(--black);
  border: 1px solid var(--border);
  color: var(--white);
  font: inherit;
  font-size: 0.95rem;
}
.newsletter input:focus { border-color: var(--green); outline: none; }

/* 13. Contact form -------------------------------------------------------- */

.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }

.form__label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.form__label span { color: var(--green); }

.form__control {
  width: 100%;
  padding: 0.95rem 1.1rem;
  background: var(--black);
  border: 1px solid var(--border);
  color: var(--white);
  font: inherit;
  font-size: 0.95rem;
}
.form__control:focus { border-color: var(--green); outline: none; }
.form__control::placeholder { color: #5c5c5c; }
textarea.form__control { resize: vertical; }

.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__error { color: #ff4d4d; font-size: 0.92rem; }
.form__terms { font-size: 0.82rem; color: var(--grey-dim); }
.form__terms a { color: var(--green); }

.form__success {
  padding: 2.5rem;
  border: 1px solid rgb(0 218 60 / 0.45);
  background: rgb(0 218 60 / 0.07);
  text-align: center;
}

/* 14. Footer -------------------------------------------------------------- */

.footer {
  background: var(--off-black);
  border-top: 1px solid var(--border);
  padding-block: 4rem 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 2.5rem;
}
.footer h4 {
  margin: 0 0 1.25rem;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.footer img { width: 120px; margin-bottom: 1.25rem; }
.footer__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.7rem; }
.footer__list a {
  color: var(--grey);
  font-size: 0.92rem;
  text-decoration: none;
}
.footer__list a:hover { color: var(--green); }

.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  color: var(--grey-dim);
  font-size: 0.85rem;
}

/* 15. Motion -------------------------------------------------------------- */

/* Only hide these when JS is present to un-hide them — otherwise a visitor
   with scripts off would get blank sections. The `js` class is set by an
   inline script in <head>. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* 16. Responsive ---------------------------------------------------------- */

@media (max-width: 1180px) {
  .header__nav { display: none; }
  .nav-toggle { display: block; }
  .header__inner {
    display: flex;
    justify-content: space-between;
    height: 78px;
  }
  .header__logo { justify-self: auto; }
  .header__logo img { width: 168px; }
  .who { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  /* Photo moves above the copy rather than shrinking to a sliver. */
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero__media { min-height: 20rem; }
  .hero__content { padding-block: 3.5rem; max-width: none; }
  .hero__title { letter-spacing: 0.05em; }
}

@media (max-width: 820px) {
  :root { --section-pad: 4rem; }
  .grid--2,
  .grid--3,
  .grid--split,
  .form__row,
  .who { grid-template-columns: minmax(0, 1fr); }
  .grid--split { gap: 2.5rem; }
  .step { grid-template-columns: minmax(0, 1fr); gap: 0.75rem; }
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__link { letter-spacing: 0.16em; font-size: 0.92rem; }
  .order-first { order: -1; }
}