/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-dark);
  background: var(--c-white);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ============================================================
   LAYOUT — CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 0 80px;
}
.container--narrow {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 80px;
}

/* ============================================================
   LAYOUT — GRID UTILITIES
   ============================================================ */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--gap-cards);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.stack  { display: flex; flex-direction: column; gap: var(--gap-cards); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 500;
}
h1 {
  font-size: 100px;
  line-height: 100px;
  letter-spacing: -5px;
}
h2 {
  font-size: 63px;
  line-height: 73px;
  letter-spacing: -2.5px;
}
h3 {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 34px;
  letter-spacing: -0.6px;
  font-weight: 600;
}

/* ============================================================
   COMPONENTS — LINK
   ============================================================ */
/* Inline text link. Use for secondary/contextual actions inside body copy.
   Never replace a .btn with .link for primary CTAs. */
.link {
  color: var(--c-blue);
  text-decoration: underline;
  text-decoration-color: rgba(52, 133, 253, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
  cursor: pointer;
}
.link:hover {
  text-decoration-color: var(--c-blue);
}

/* ============================================================
   COMPONENTS — BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  border-radius: var(--radius-btn);
  padding: 12px 20px;
  transition: opacity var(--transition);
  white-space: nowrap;
}
.btn:hover { opacity: 0.85; }
.btn-secondary:hover { background: rgba(40,40,40,0.07); opacity: 1; }
.btn-primary  { background: var(--c-dark);  color: var(--c-white); }
.btn-secondary { background: transparent; color: var(--c-dark); border: 2px solid var(--c-dark); }
.btn-cta {
  background: var(--c-blue);
  color: var(--c-white);
  font-size: 18px;
  font-weight: 600;
  padding: 18px 32px;
  gap: 10px;
}
.btn-cta-outline {
  background: var(--c-white);
  color: var(--c-dark);
  font-size: 18px;
  font-weight: 600;
  padding: 18px 32px;
  gap: 10px;
}
/* ============================================================
   ICON SYSTEM — Material Symbols Rounded
   ============================================================ */
.material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  line-height: 1;
  display: inline-flex;
  user-select: none;
  flex-shrink: 0;
}
/* Card icons */
.card__icon .material-symbols-rounded { font-size: 48px; font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 48; }
.card--blue   .card__icon .material-symbols-rounded { color: var(--c-blue-light); }
.card--purple .card__icon .material-symbols-rounded { color: var(--c-pink); }
.card--green  .card__icon .material-symbols-rounded { color: var(--c-green); }
.card--orange .card__icon .material-symbols-rounded { color: var(--c-orange); }
.card--pink   .card__icon .material-symbols-rounded { color: var(--c-red); }
.card--teal   .card__icon .material-symbols-rounded { color: var(--c-teal); }
/* Integration icons */
.integration__item:first-child .card__icon { color: var(--c-purple); }
.integration__item:nth-child(2) .card__icon { color: var(--c-pink); }

.btn .material-symbols-rounded { font-size: 20px; flex-shrink: 0; }

/* ============================================================
   COMPONENTS — BADGE
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-muted);
  background: var(--badge-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
}
.badge .material-symbols-rounded { font-size: 16px; color: var(--c-blue); font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20; }
.badge--dark { color: var(--c-dark); background: transparent; }

/* ============================================================
   COMPONENTS — STAT BADGE
   ============================================================ */
.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 400;
  color: var(--c-dark);
}
.stat-badge .material-symbols-rounded { font-size: 16px; opacity: 0.6; font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20; }

/* ============================================================
   COMPONENTS — SDK PILL
   ============================================================ */
.sdk-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}
.sdk-pill.api { background: #dbeafe; color: #1d4ed8; }
.sdk-pill.sdk { background: #dcfce7; color: #15803d; }

/* ============================================================
   COMPONENTS — CARD
   ============================================================ */
.card {
  border-radius: var(--radius-card);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 360px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover,
.pricing-card:hover,
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.card__icon {
  width: 110px;
  height: 110px;
  border-radius: 28px;
  background: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  align-self: center;
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-body);
}
.card--blue   { background: var(--card-blue); }
.card--purple { background: var(--card-purple); }
.card--green  { background: var(--card-green); }
.card--orange { background: var(--card-orange); }
.card--pink   { background: var(--card-pink); }
.card--teal   { background: var(--card-teal); }
.card--grey   { background: var(--card-grey); }

/* ============================================================
   COMPONENTS — STAT CARD
   ============================================================ */
.stat-card {
  background: var(--c-white);
  border-radius: var(--radius-icon);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: 60px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--c-dark);
  margin-bottom: 6px;
}
.stat-card__label {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.4px;
  color: var(--c-dark);
  margin-bottom: 12px;
}
.stat-card__description {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-muted);
}

/* ============================================================
   COMPONENTS — FEATURE SECTION (2-col media + copy)
   ============================================================ */
.feature-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--gap-content);
}
.feature-section--reversed {
  direction: rtl;
}
.feature-section--reversed > * {
  direction: ltr;
}
.feature-section__media {
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-section__media img,
.feature-section__media video {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  border-radius: var(--radius-card);
}
.feature-section__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.feature-section__copy .badge { margin-bottom: 20px; }
.feature-section__headline {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--c-dark);
  margin-bottom: 20px;
}
.feature-section__headline .accent { color: var(--c-blue); }
.feature-section__body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text-muted);
  margin-bottom: 32px;
  max-width: 420px;
}
.feature-section__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-dark);
  transition: gap var(--transition), opacity var(--transition);
}
.feature-section__link:hover { opacity: 0.7; gap: 10px; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 18px 80px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}
.nav__logo img { height: 28px; width: auto; object-fit: contain; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 14px;
  font-weight: 600;
  transition: opacity var(--transition);
}
.nav__links a:hover { opacity: 0.6; }
.nav__actions { display: flex; align-items: center; gap: 12px; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 80px);
  padding: 60px 0;
  overflow: hidden;
}
.hero__blob {
  position: absolute;
  border-radius: 9999px;
  filter: blur(100px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  width: 800px;
  height: 800px;
  transform: translateZ(0);
  will-change: transform;
}
.hero__blob--pink  { background: var(--c-pink);       right: -100px; top: -200px; }
.hero__blob--blue  { background: var(--c-blue-light);  left: -100px;  bottom: -200px; }
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--gap-content);
  align-items: center;
  width: 100%;
  max-width: var(--width-content);
  padding: 0 80px;
}
.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}
.hero__video-wrap { display: flex; justify-content: center; align-items: center; }
.hero__video {
  width: 100%;
  max-width: 280px;
  max-height: 520px;
  border-radius: var(--radius-card);
  object-fit: cover;
  box-shadow: 0 24px 80px rgba(0,0,0,0.18);
}
.hero h1             { color: var(--c-blue-light); }
.hero h1 .black      { color: var(--c-dark); }
.hero h1 .pink       { color: var(--c-pink); }
.hero__sub {
  font-size: 22px;
  line-height: 36px;
  max-width: 520px;
}
.hero__sub .accent   { color: var(--c-blue); font-weight: 600; }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section          { padding: var(--section-py) 0; }
.section--bg1     { background: var(--section-bg-1); }
.section--bg2     { background: var(--section-bg-2); }
.section--blue    { background: var(--c-blue); color: var(--c-white); }

.section__header  { text-align: center; margin-bottom: 64px; }
.section__header--left { text-align: left; }
.section__header--spaced { margin-top: var(--space-xl); }
.section__header p { margin-top: 16px; font-size: 18px; color: var(--c-text-muted); }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-content);
  align-items: start;
}
.how-it-works__side-title {
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.how-it-works__side-title.blue { color: var(--c-blue-light); }
.how-it-works__side-title.pink { color: var(--c-pink); }
.how-it-works__side-sub {
  font-size: 16px;
  margin-bottom: 24px;
}
.how-it-works__side-sub strong { font-weight: 600; }
.how-it-works__widget-card {
  background: linear-gradient(#e8eeff 0%, #f0f4ff 100%);
  border-radius: var(--radius-card);
  padding: 40px;
  overflow: hidden;
}
.how-it-works__widget-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-icon);
}
.how-it-works__code-card {
  background: #1e1e2e;
  border-radius: var(--radius-card);
  padding: 40px;
  min-height: 260px;
  display: flex;
  align-items: center;
}
.how-it-works__code {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.8;
  color: #cdd6f4;
  white-space: pre-wrap;
  word-break: break-all;
}
.document-page .how-it-works__code-card {
  min-height: 0;
  margin: 20px 0 32px;
  overflow-x: auto;
}
.document-page .how-it-works__code {
  word-break: normal;
  overflow-wrap: normal;
  white-space: pre;
}
.how-it-works__code .tok-tag     { color: #f38ba8; }
.how-it-works__code .tok-attr    { color: #89b4fa; }
.how-it-works__code .tok-string  { color: #a6e3a1; }
.how-it-works__code .tok-equals  { color: #cdd6f4; }
.how-it-works__code .tok-kw      { color: #89dceb; }
.how-it-works__code .tok-null    { color: #fab387; }
.how-it-works__code .tok-comment { color: #6c7086; }

/* ============================================================
   FEATURED ARTICLE
   ============================================================ */
.featured-article__card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  background: linear-gradient(135deg, #f5f0ff 0%, #eef5ff 100%);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.featured-article__image-wrap { overflow: hidden; min-height: 320px; }
.featured-article__image-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.featured-article__text { padding: 60px; display: flex; align-items: center; }
.featured-article__text h3 { font-size: 34px; line-height: 42px; letter-spacing: -1px; }

/* ============================================================
   CORE FEATURES
   ============================================================ */
.core-features__items {
  display: flex;
  flex-direction: column;
  gap: 80px;
}
.core-feature-card {
  background: transparent;
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 0 0;
}
.core-feature-card__img {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-grey);
  margin: -24px 0 16px;
}
.core-feature-card__img img { width: 100%; display: block; }
.core-feature-card p { font-size: 16px; line-height: 1.6; color: var(--c-body); }

/* Text-only feature items */
.core-features__text-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-text);
  padding-top: 40px;
  border-top: 1px solid var(--c-border);
}
.core-features__text-item h3 { margin-bottom: 8px; }
.core-features__text-item p  { font-size: 14px; line-height: 1.6; color: var(--c-body); }

/* ============================================================
   SEAMLESS INTEGRATION
   ============================================================ */
.integration__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-content);
  max-width: 800px;
  margin: 0 auto;
}
.integration__item { display: flex; flex-direction: row; align-items: center; gap: 24px; }
.integration__item .card__icon { box-shadow: var(--shadow-card); }
.integration__text { display: flex; flex-direction: column; gap: 10px; }
.integration__text h3 { font-size: 22px; line-height: 28px; letter-spacing: -0.3px; }
.integration__item p { font-size: 16px; color: var(--c-body); line-height: 1.6; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing-card {
  border-radius: var(--radius-card);
  padding: 40px 32px;
  background: var(--card-grey);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card--blue { background: var(--c-blue); border-color: rgba(255,255,255,0.2); color: var(--c-white); }
.pricing-card--dark { background: var(--c-dark); border-color: rgba(255,255,255,0.1); color: var(--c-white); }
.pricing-card--blue h3,
.pricing-card--dark h3 { color: var(--c-white); }
.pricing-card__price { font-family: var(--font-head); font-size: 28px; font-weight: 700; color: var(--c-dark); margin: -8px 0; }
.pricing-card--blue .pricing-card__price,
.pricing-card--dark .pricing-card__price { color: var(--c-white); }
.pricing-card__features { display: flex; flex-direction: column; gap: 12px; flex: 1; }
.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.4;
}
.pricing-card__feature .material-symbols-rounded { font-size: 16px; font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20; }
.pricing-card--blue .pricing-card__feature .material-symbols-rounded,
.pricing-card--dark .pricing-card__feature .material-symbols-rounded { color: rgba(255,255,255,0.8); }
.pricing-card:not(.pricing-card--blue):not(.pricing-card--dark) .pricing-card__feature .material-symbols-rounded { color: var(--c-dark); }
.pricing-card .btn { width: 100%; justify-content: center; font-size: 16px; padding: 12px 20px; }
.pricing-card:not(.pricing-card--blue):not(.pricing-card--dark) .btn {
  border: 1px solid var(--c-dark);
  color: var(--c-dark);
  background: transparent;
}
.pricing-card--blue .btn,
.pricing-card--dark .btn { background: var(--c-white); color: var(--c-dark); }

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--c-border);
}
.faq__item { border-bottom: 1px solid var(--c-border); }
.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 500;
  list-style: none;
  user-select: none;
  transition: opacity var(--transition);
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question:hover { opacity: 0.7; }
.faq__question .material-symbols-rounded {
  font-size: 20px;
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 20;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
details[open] .faq__question .material-symbols-rounded { transform: rotate(45deg); }
.faq__answer {
  padding-bottom: 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-body);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--c-blue);
  padding: 100px 80px;
  text-align: center;
  color: var(--c-white);
}
.cta-section h2 { margin-bottom: 16px; }
.cta-section p  { font-size: 20px; margin-bottom: 40px; opacity: 0.9; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 80px 0 48px;
  border-top: 1px solid var(--c-border);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--gap-text);
}
.footer__brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 16px; font-weight: 600; }
.footer__brand img { height: 24px; width: auto; object-fit: contain; }
.footer__col-title { font-size: 14px; font-weight: 600; margin-bottom: 20px; }
.footer__links { display: flex; flex-direction: column; gap: 12px; }
.footer__links a { font-size: 14px; transition: opacity var(--transition); }
.footer__links a:hover { opacity: 0.6; }
.footer__bottom {
  margin-top: 60px;
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--c-text-muted);
}

/* ============================================================
   DOCUMENT PAGE (privacy policy, terms, legal pages)
   Use .container--narrow as the wrapper for comfortable reading width.
   ============================================================ */
.document-page { padding: var(--section-py) 0; }
.document-page h1 {
  font-size: 56px;
  line-height: 64px;
  letter-spacing: -2px;
  margin-bottom: 8px;
}
.document-page h2 {
  font-size: 32px;
  line-height: 40px;
  letter-spacing: -0.5px;
  margin-top: 48px;
  margin-bottom: 16px;
}
.document-page h3 {
  font-size: 22px;
  line-height: 32px;
  letter-spacing: -0.3px;
  margin-top: 32px;
  margin-bottom: 12px;
}
.document-page__meta {
  font-size: 16px;
  color: var(--c-text-muted);
  margin-bottom: 40px;
}
.document-page__divider {
  border: none;
  height: 1px;
  background: var(--c-border);
  margin-bottom: 48px;
}
.document-page p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-body);
  margin-bottom: 20px;
}
.document-page ol,
.document-page ul {
  padding-left: 24px;
  margin-bottom: 20px;
}
.document-page li {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-body);
  margin-bottom: 8px;
}

/* ============================================================
   BLOG ARTICLE — inline media
   ============================================================ */
.document-page figure {
  margin: var(--space-md) 0;
}
.document-page figure img,
.document-page figure video {
  width: 100%;
  border-radius: var(--radius-card);
  background: var(--c-grey);
}
.document-page blockquote {
  border-left: 3px solid var(--c-blue);
  padding: 12px 20px;
  margin: var(--space-md) 0;
  background: rgba(52, 133, 253, 0.04);
  border-radius: 0 var(--radius-icon) var(--radius-icon) 0;
}
.document-page blockquote p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--c-dark);
  font-style: italic;
  margin-bottom: 0;
}
.document-page figure {
  margin: var(--space-md) 0;
}
.document-page figure img {
  width: 100%;
  border-radius: var(--radius-card);
  background: var(--c-grey);
}

/* ============================================================
   RESPONSIVE — TABLET (810–1439px)
   ============================================================ */
@media (min-width: 810px) and (max-width: 1439px) {
  h1 { font-size: 72px; line-height: 72px; letter-spacing: -3px; }
  h2 { font-size: 48px; line-height: 56px; letter-spacing: -2px; }
  .container    { padding: 0 40px; }
  .hero         { padding: 60px 0; }
  .hero__inner  { padding: 0 40px; }
  .nav__inner   { padding: 18px 40px; }
  .grid-2       { grid-template-columns: 1fr; }
  .grid-3       { grid-template-columns: repeat(2, 1fr); }
  .grid-4       { grid-template-columns: repeat(2, 1fr); }
  .core-features__text-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤809px)
   ============================================================ */
@media (max-width: 809px) {
  :root { --section-py: 72px; }
  h1 { font-size: 48px; line-height: 52px; letter-spacing: -2px; }
  h2 { font-size: 36px; line-height: 44px; letter-spacing: -1px; }
  .container  { padding: 0 20px; }
  .nav__links { display: none; }
  .nav__inner { padding: 12px 16px; }
  .hero         { padding: 60px 0 48px; }
  .hero__inner  { grid-template-columns: 1fr; text-align: center; padding: 0 20px; }
  .hero__content { align-items: center; }
  .hero__video   { max-width: 280px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-3--2-mobile { grid-template-columns: repeat(2, 1fr); }
  .how-it-works__grid,
  .featured-article__card,
  .integration__grid,
  .feature-section,
  .footer__inner { grid-template-columns: 1fr; }
  .feature-section--reversed { direction: ltr; }
  .feature-section__copy { align-items: center; text-align: center; }
  .feature-section__body { max-width: 100%; }
  .feature-section__media img,
  .feature-section__media video { margin: 0 auto; }
  .featured-article__image-wrap { min-height: 220px; }
  .featured-article__text { padding: 32px; }
  .card        { padding: 28px 24px; min-height: 0; }
  .card__icon  { width: 80px; height: 80px; border-radius: 22px; }
  .core-features__text-grid { grid-template-columns: 1fr 1fr; }
  .section__header--left { text-align: center; }
  .how-it-works__widget-card,
  .how-it-works__code-card { padding: 24px; }
  .how-it-works__code { font-size: 13px; }
  .hero__blob--blue { bottom: -400px; }
}