/* ============================================================
   FONTS
   ============================================================ */
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueLight-subset.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueLightItalic-subset.woff2") format("woff2");
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueItalic-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueMedium-subset.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueMediumItalic-subset.woff2") format("woff2");
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueBold-subset.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueBoldItalic-subset.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueHeavy-subset.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Helvetica Neue";
  src: url("fonts/HelveticaNeueHeavyItalic-subset.woff2") format("woff2");
  font-weight: 900;
  font-style: italic;
  font-display: swap;
}

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #eeeeee;
  --color-text: #0f0f0f;
  --color-text-dark: #1f1d1e;
  --color-text-secondary: #2f2b2d;
  --color-accent: #ff5c35;
  --color-accent-dot: #e7693e;
  --color-dark: #111111;
  --color-dark-alt: #201d1d;
  --color-border: #e6e8ec;
  --color-border-light: rgba(0, 0, 0, 0.1);
  --color-nav-bg: #000000;
  --color-nav-text: #ffffff;
  --color-nav-muted: rgba(255, 255, 255, 0.5);
  --color-nav-btn-bg: rgba(255, 255, 255, 0.1);
  --color-nav-btn-border: rgba(255, 255, 255, 0.1);
  --color-nav-btn-hover: rgba(255, 255, 255, 0.15);
  --color-footer-bg: #0a0a0a;

  --font-primary: "Helvetica Neue", Arial, sans-serif;
  --font-mono: "DM Mono", "Courier New", monospace;

  --text-h1: 5rem;
  --text-h2: 4rem;
  --text-h3: 3rem;
  --text-h4: 2rem;
  --text-h5: 1.5rem;
  --text-large: 1.25rem;
  --text-main: 1.125rem;
  --text-small: 1rem;
  --text-tiny: 0.75rem;

  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-heavy: 900;

  --leading-tight: 1;
  --leading-snug: 1.1;
  --leading-normal: 1.3;
  --leading-relaxed: 1.4;
  --leading-loose: 1.5;

  --tracking-tight: -0.06em;
  --tracking-snug: -0.03em;
  --tracking-normal: 0em;
  --tracking-wider: 0.05em;

  --radius-tiny: 0.25rem;
  --radius-main: 1rem;
  --radius-round: 6.25rem;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --container-max: 87.5rem;
  --site-gutter: 1.25rem;

  --transition-fast: 0.2s ease;
  --transition-base: 0.4s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

::selection {
  background: rgba(255, 92, 53, 0.22);
  color: var(--color-text);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text-dark);
  font-size: var(--text-small);
  line-height: var(--leading-loose);
  font-weight: var(--weight-regular);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--site-gutter);
}

.container--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ============================================================
   SECTION LABEL (eyebrow with orange dot)
   ============================================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
}

.section-label--sm {
  font-size: var(--text-tiny);
  margin-bottom: var(--space-3);
  background: var(--color-bg-alt);
  border: 1px solid rgba(0, 0, 0, 0.06);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-tiny);
}

.section-label--light {
  color: var(--color-nav-text);
}

.section-label__dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 100vw;
  background: var(--color-accent-dot);
  flex-shrink: 0;
}

.section-label--sm .section-label__dot {
  width: 0.3125rem;
  height: 0.3125rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-tiny);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.eyebrow--light {
  color: var(--color-nav-muted);
}

/* ============================================================
   HEADINGS
   ============================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.section-heading {
  font-size: var(--text-h2);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-8);
}

.section-sub {
  font-size: var(--text-main);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 52rem;
  margin: 0 auto var(--space-12);
  text-align: center;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border: none;
  cursor: pointer;
  transition:
    opacity var(--transition-fast),
    background var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  opacity: 0.88;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn__dot {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 100vw;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
  border-radius: var(--radius-round);
  padding: 1rem 2rem;
}

.btn--primary:hover {
  opacity: 1;
  background: #ff6b40;
}

.btn--primary .btn__dot {
  background-color: rgba(255, 255, 255, 0.6);
}

.btn--secondary {
  background: var(--color-dark);
  color: #ffffff;
  border-radius: var(--radius-round);
  padding: 1rem 2rem;
}

.btn--secondary:hover {
  background: #1e1e1e;
  opacity: 1;
}

.btn--secondary .btn__dot {
  background-color: rgba(255, 255, 255, 0.4);
}

.btn--nav {
  background: var(--color-nav-btn-bg);
  border: 0.0625rem solid var(--color-nav-btn-border);
  color: #ffffff;
  border-radius: var(--radius-tiny);
  padding: 0.8125rem 1.5rem;
  font-size: 0.8125rem;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.btn--nav:hover {
  background: var(--color-nav-btn-hover);
  border-color: rgba(255, 255, 255, 0.15);
  opacity: 1;
}

.btn--nav .btn__dot {
  display: none;
}

.btn--lg {
  padding: 1.125rem 2.5rem;
  font-size: 0.875rem;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-nav-bg);
  height: 80px;
  display: flex;
  align-items: center;
}

.navbar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--site-gutter);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo img {
  width: 48px;
  height: 48px;
}

.navbar__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.navbar__tagline {
  color: var(--color-nav-muted);
  font-size: var(--text-tiny);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--color-bg);
  padding: var(--space-20) 0 var(--space-20);
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__content {
  text-align: center;
  max-width: 72rem;
}

.hero__heading {
  font-size: clamp(3.75rem, 9.5vw, 7rem);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero__sub {
  font-size: var(--text-main);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 44rem;
  margin: 0 auto var(--space-8);
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.hero__meta {
  font-size: var(--text-tiny);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-12);
}

/* Mockup Window */
.hero__mockup {
  width: 100%;
  max-width: 56rem;
  margin-top: var(--space-8);
}

.mockup-window {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tiny);
  overflow: hidden;
}

.mockup-window__bar {
  background: var(--color-border);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.mockup-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mockup-dot--red {
  background: var(--color-accent);
}
.mockup-dot--yellow {
  background: #f5c518;
}
.mockup-dot--green {
  background: #5db85a;
}

.mockup-window__divider {
  flex: 1;
}

.mockup-window__url {
  font-family: var(--font-mono);
  font-size: var(--text-tiny);
  color: var(--color-text-secondary);
}

.mockup-window__body {
  display: flex;
  min-height: 200px;
}

.mockup-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--color-bg-alt);
  padding: 1rem 0;
  border-right: 1px solid var(--color-border);
}

.mockup-sidebar__item {
  padding: 0.375rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-tiny);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mockup-sidebar__item--active {
  color: var(--color-accent);
  font-weight: var(--weight-medium);
}

.mockup-sidebar__item--highlight {
  color: var(--color-text-dark);
}

.mockup-sidebar__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.mockup-main {
  flex: 1;
  background: var(--color-bg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.mockup-toast {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tiny);
  padding: 0.625rem 1rem;
  font-size: var(--text-tiny);
  color: var(--color-text-dark);
  font-family: var(--font-mono);
  max-width: 28rem;
}

.mockup-toast__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  flex-shrink: 0;
}

.mockup-main__note {
  font-family: var(--font-mono);
  font-size: var(--text-tiny);
  color: var(--color-text-secondary);
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-tiny);
}

.badge--orange {
  background: var(--color-accent);
  color: #fff;
}

/* ============================================================
   PROBLEM
   ============================================================ */
.problem {
  background: var(--color-bg-alt);
  padding: var(--space-20) 0;
}

.problem .eyebrow {
  text-align: center;
}

.problem .section-heading {
  text-align: center;
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.problem__card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tiny);
  padding: 2.25rem;
}

.problem__card--good {
  border-color: rgba(255, 92, 53, 0.25);
  background: #fffaf9;
}

.problem__body {
  font-size: var(--text-main);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.problem__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.problem__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
}

.list-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 3px;
}

.list-icon--bad {
  background: #fee2e2;
  color: #991b1b;
}
.list-icon--good {
  background: #d4f5e2;
  color: #1a7f4b;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how {
  background: var(--color-bg);
  padding: var(--space-20) 0;
}

.how .eyebrow {
  text-align: center;
}
.how .section-heading {
  text-align: center;
}

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

.how__card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tiny);
  padding: 2.25rem;
  position: relative;
}

.how__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-tiny);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--text-tiny);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-6);
}

.how__icon {
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
}

.how__title {
  font-size: var(--text-h5);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.how__body {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  background: var(--color-bg-alt);
  padding: var(--space-20) 0;
}

.features .eyebrow {
  text-align: center;
}
.features .section-heading {
  text-align: center;
}

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

.features__card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tiny);
  padding: 2.25rem;
}

.features__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-tiny);
  background: var(--color-accent);
  color: #fff;
  margin-bottom: var(--space-6);
}

.features__title {
  font-size: var(--text-h5);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.features__body {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  background: var(--color-dark-alt);
  padding: var(--space-24) 0;
}

.cta__dash {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 0 auto var(--space-6);
  border-radius: 2px;
}

.cta__heading {
  font-size: clamp(2.5rem, 5vw, var(--text-h2));
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-snug);
  color: #ffffff;
  margin-bottom: var(--space-6);
}

.cta__sub {
  font-size: var(--text-main);
  color: var(--color-nav-muted);
  line-height: var(--leading-relaxed);
  max-width: 40rem;
  margin: 0 auto var(--space-8);
}

.cta .btn--primary {
  margin-bottom: var(--space-6);
}

.cta__meta {
  font-size: var(--text-tiny);
  color: var(--color-nav-muted);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-footer-bg);
  height: 56px;
  display: flex;
  align-items: center;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--site-gutter);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: var(--text-tiny);
  color: var(--color-nav-muted);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wider);
}

.footer__link {
  font-size: var(--text-tiny);
  color: var(--color-nav-muted);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-nav-text);
}

/* ============================================================
   RESPONSIVE — TABLET ≤991px
   ============================================================ */
@media screen and (max-width: 991px) {
  .section-heading {
    font-size: 3.5rem;
  }

  .how__grid {
    grid-template-columns: 1fr;
    max-width: 36rem;
    margin: 0 auto;
  }

  .features__grid {
    grid-template-columns: 1fr;
    max-width: 36rem;
    margin: 0 auto;
  }

  .navbar__tagline {
    display: none;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE ≤767px
   ============================================================ */
@media screen and (max-width: 767px) {
  .section-heading {
    font-size: 3rem;
  }

  .hero {
    padding: var(--space-12) 0 0;
  }

  .hero__heading {
    font-size: clamp(2.5rem, 10vw, 5rem);
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta .btn {
    justify-content: center;
  }

  .problem__grid {
    grid-template-columns: 1fr;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .mockup-window__body {
    flex-direction: column;
  }

  .mockup-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .btn--nav {
    display: none;
  }

  .problem,
  .how,
  .features {
    padding: var(--space-16) 0;
  }

  .cta {
    padding: var(--space-16) 0;
  }
}

/* ============================================================
   RESPONSIVE — SMALL ≤479px
   ============================================================ */
@media screen and (max-width: 479px) {
  .section-heading {
    font-size: 2.5rem;
  }

  .cta__heading {
    font-size: 2.5rem;
  }
}

/* ============================================================
   FOCUS & ACCESSIBILITY
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer__link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   HERO ACCENT MARK
   ============================================================ */
.hero__heading mark {
  background: none;
  color: var(--color-accent);
}

/* ============================================================
   NAVBAR LOGO HOVER
   ============================================================ */
.navbar__logo {
  transition: opacity var(--transition-fast);
}

.navbar__logo:hover {
  opacity: 0.75;
}