@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Medium.ttf") format("truetype");
  font-weight: 500 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/fonts/Vazirmatn-Bold.ttf") format("truetype");
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --white: #fff;
  --warm-white: #fafaf8;
  --surface: #f6f7fa;
  --surface-blue: #f0f4ff;
  --surface-deep: #e8eeff;
  --ink: #10131a;
  --graphite: #242a35;
  --slate: #596273;
  --muted: #667085;
  --line: #dfe3ea;
  --line-strong: #c9cfda;
  --primary: #2452e6;
  --primary-dark: #183ab7;
  --primary-soft: #dfe8ff;
  --indigo: #5b5ef7;
  --cyan: #6edce8;
  --success: #087a55;
  --error: #b42318;
  /* Semantic text colors for every saturated/dark surface. */
  --on-dark: #fff;
  --on-dark-muted: #dbe4ff;
  --on-dark-accent: #7fe5f1;
  --on-dark-border: #a8b9f2;
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 8px 24px rgb(25 36 67 / 6%);
  --shadow-md: 0 24px 70px rgb(25 36 67 / 11%);
  --container: min(100% - 48px, 1360px);
  --readable: 760px;
  --header-height: 86px;
  --ease: cubic-bezier(.2, .75, .25, 1);
  --duration: 300ms;
  --z-header: 50;
  --z-menu: 60;
  --z-overlay: 70;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--warm-white);
  color: var(--ink);
  font-family: "Vazirmatn", Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

::selection { background: var(--primary); color: var(--white); }

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

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }

h1, h2, h3, h4, p { margin-block-start: 0; }
h1, h2, h3, h4 { line-height: 1.45; letter-spacing: -.025em; }
h4 { font-size: .95rem; }
p { color: var(--slate); }

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 68%, white);
  outline-offset: 4px;
}

.container { width: var(--container); margin-inline: auto; }
.section { padding-block: clamp(88px, 10vw, 150px); }
.sr-only {
  position: absolute !important;
  inline-size: 1px !important;
  block-size: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  inset-block-start: 10px;
  inset-inline-start: 12px;
  z-index: 999;
  transform: translateY(-150%);
  padding: 10px 16px;
  border-radius: var(--radius-xs);
  background: var(--ink);
  color: var(--white);
  transition: transform 180ms ease;
}

.skip-link:focus { transform: translateY(0); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block-end: 16px;
  color: var(--primary);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.eyebrow::before {
  content: "";
  inline-size: 28px;
  block-size: 2px;
  background: currentColor;
}

.button {
  --button-bg: transparent;
  --button-color: var(--ink);
  --button-border: var(--line-strong);
  display: inline-flex;
  min-block-size: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 22px;
  border: 1px solid var(--button-border);
  border-radius: var(--radius-sm);
  background: var(--button-bg);
  color: var(--button-color);
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: transform var(--duration) var(--ease), background var(--duration) ease, border-color var(--duration) ease, color var(--duration) ease, box-shadow var(--duration) ease;
}

.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button[disabled], .button[aria-disabled="true"] { opacity: .5; pointer-events: none; }
.button-large { min-block-size: 56px; padding-inline: 27px; }
.button-primary { --button-bg: var(--primary); --button-color: var(--white); --button-border: var(--primary); box-shadow: 0 10px 25px rgb(36 82 230 / 18%); }
.button-primary:hover { --button-bg: var(--primary-dark); --button-border: var(--primary-dark); box-shadow: 0 14px 35px rgb(36 82 230 / 25%); }
.button-secondary { --button-bg: transparent; --button-border: var(--line-strong); }
.button-secondary:hover { --button-bg: var(--white); --button-border: var(--ink); }
.button-inverse { --button-bg: var(--white); --button-color: var(--ink); --button-border: var(--white); }
.button-ghost-light { --button-color: var(--white); --button-border: rgb(255 255 255 / 28%); }
.button-ghost-light:hover { --button-bg: rgb(255 255 255 / 10%); --button-border: rgb(255 255 255 / 55%); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: .92rem;
  font-weight: 600;
}

.text-link span { transition: transform var(--duration) var(--ease); }
.text-link:hover span { transform: translateX(-5px); }
.text-link-large { font-size: 1rem; }

/* Header */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);
  block-size: var(--header-height);
  border-block-end: 1px solid transparent;
  background: rgb(250 250 248 / 88%);
  backdrop-filter: blur(12px) saturate(120%);
  transition: block-size var(--duration) var(--ease), background var(--duration) ease, border-color var(--duration) ease, box-shadow var(--duration) ease;
}

.site-header.is-scrolled {
  --header-height: 70px;
  border-color: rgb(16 19 26 / 8%);
  background: rgb(255 255 255 / 92%);
  box-shadow: 0 8px 35px rgb(16 19 26 / 5%);
}

.header-shell { position: relative; block-size: 100%; display: flex; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { inline-size: 154px; block-size: auto; }
.desktop-nav { position: absolute; left: 50%; display: flex; align-items: center; gap: 4px; margin: 0; transform: translateX(-50%); }
.nav-link {
  display: inline-flex;
  min-block-size: 44px;
  align-items: center;
  gap: 5px;
  padding-inline: 12px;
  border: 0;
  background: transparent;
  color: var(--graphite);
  font-size: .88rem;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.nav-link:hover, .nav-link[aria-expanded="true"] { color: var(--primary); }
.nav-link svg { inline-size: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; transition: transform 180ms ease; }
.nav-link[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-dropdown { position: static; }
.mega-menu {
  position: absolute;
  inset-block-start: calc(100% - 4px);
  inset-inline: max(24px, calc((100vw - 1360px) / 2));
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 1fr);
  gap: 38px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 98%);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transform-origin: top center;
  transition: opacity 180ms ease, transform 220ms var(--ease), visibility 180ms;
}

.nav-dropdown.is-open .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-intro { padding-inline-end: 26px; border-inline-end: 1px solid var(--line); }
.mega-intro .eyebrow { margin-block-end: 12px; font-size: .72rem; }
.mega-intro strong { display: block; max-inline-size: 280px; margin-block-end: 10px; font-size: 1.18rem; line-height: 1.55; }
.mega-intro p { max-inline-size: 300px; margin-block-end: 14px; font-size: .84rem; line-height: 1.8; }
.mega-title { display: block; margin-block-end: 12px; color: var(--muted); font-size: .73rem; font-weight: 700; }
.mega-column a { display: block; padding-block: 7px; color: var(--graphite); font-size: .84rem; transition: color 180ms, transform 180ms; }
.mega-column a:hover { color: var(--primary); transform: translateX(-3px); }
.header-cta { position: absolute; inset-inline-end: 0; white-space: nowrap; }
.menu-toggle { display: none; inline-size: 48px; block-size: 48px; align-items: center; justify-content: center; flex-direction: column; gap: 6px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); cursor: pointer; }
.menu-toggle span { inline-size: 20px; block-size: 2px; border-radius: 2px; background: currentColor; transition: transform 180ms; }

.mobile-menu {
  position: fixed;
  z-index: var(--z-overlay);
  inset: 0;
  inline-size: 100%;
  block-size: 100dvh;
  display: none;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--warm-white);
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms ease, visibility 220ms;
}

.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu-inner { inline-size: 100%; min-block-size: 100dvh; display: flex; flex-direction: column; padding: 22px 24px 28px; }
.mobile-menu-top { display: flex; align-items: center; justify-content: space-between; padding-block-end: 22px; border-block-end: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.mobile-close { min-block-size: 44px; padding-inline: 10px; border: 0; background: transparent; font-weight: 600; cursor: pointer; }
.mobile-menu nav { padding-block: 24px; }
.mobile-menu nav > a, .mobile-menu summary { display: flex; min-block-size: 54px; align-items: center; justify-content: space-between; border-block-end: 1px solid var(--line); font-size: 1.04rem; font-weight: 600; cursor: pointer; }
.mobile-menu summary { list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after { content: "+"; color: var(--primary); font-size: 1.25rem; }
.mobile-menu details[open] summary::after { content: "−"; }
.mobile-subnav { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; padding-block: 10px 16px; border-block-end: 1px solid var(--line); }
.mobile-subnav a { padding-block: 9px; color: var(--slate); font-size: .85rem; }
.mobile-menu-contact { display: grid; gap: 8px; margin-block-start: auto; }
.mobile-menu-contact .button { margin-block-end: 8px; }
.mobile-menu-contact > a:not(.button) { color: var(--slate); font-size: .88rem; }

/* Hero */
.hero { position: relative; padding-block-start: clamp(50px, 6vw, 88px); padding-block-end: 44px; overflow: clip; }
.hero-ambient { position: absolute; inset-block-start: -180px; inset-inline-start: -120px; inline-size: 580px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgb(110 220 232 / 16%), transparent 67%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(480px, .95fr); align-items: center; gap: clamp(32px, 6vw, 94px); min-block-size: calc(100svh - var(--header-height) - 120px); }
.hero-copy { position: relative; z-index: 2; max-inline-size: 700px; }
.display-title { margin-block-end: 26px; font-size: clamp(1.68rem, 3.21vw, 3.24rem); font-weight: 800; line-height: 1.35; letter-spacing: -.045em; }
.display-title em { color: var(--primary); font-style: normal; }
.hero-lead { max-inline-size: 650px; margin-block-end: 32px; color: var(--slate); font-size: clamp(1rem, 1.25vw, 1.2rem); line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block-end: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--slate); font-size: .82rem; }
.hero-proof span { display: inline-flex; align-items: center; gap: 8px; }
.hero-proof i { inline-size: 7px; block-size: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgb(110 220 232 / 16%); }
.hero-visual { position: relative; min-inline-size: 0; isolation: isolate; }
.hero-visual::before { content: ""; position: absolute; z-index: -1; inset: 12% 8%; border-radius: 45%; background: rgb(36 82 230 / 8%); filter: blur(44px); }
.hero-visual picture { display: block; border-radius: var(--radius-xl); overflow: hidden; }
.hero-visual img { inline-size: 100%; aspect-ratio: 3 / 2; object-fit: cover; mix-blend-mode: multiply; }
.visual-note { position: absolute; z-index: 2; display: flex; align-items: center; gap: 9px; padding: 9px 12px; border: 1px solid rgb(255 255 255 / 65%); border-radius: var(--radius-sm); background: rgb(255 255 255 / 86%); box-shadow: var(--shadow-sm); color: var(--graphite); font-size: .71rem; backdrop-filter: blur(7px); }
.visual-note span { display: grid; inline-size: 28px; aspect-ratio: 1; place-items: center; border-radius: var(--radius-xs); background: var(--surface-blue); color: var(--primary); font-weight: 800; }
.note-top { inset-block-start: 10%; inset-inline-end: 1%; }
.note-bottom { inset-block-end: 10%; inset-inline-start: 5%; }
.visual-orbit { position: absolute; z-index: 3; inline-size: 12px; aspect-ratio: 1; border: 3px solid var(--white); border-radius: 50%; background: var(--indigo); box-shadow: 0 4px 16px rgb(91 94 247 / 38%); }
.orbit-one { inset-block-start: 18%; inset-inline-start: 17%; animation: soft-float 4.8s ease-in-out infinite; }
.hero-footnote { display: grid; grid-template-columns: repeat(4, 1fr); margin-block-start: 32px; border-block: 1px solid var(--line); }
.hero-footnote span { padding-block: 18px; border-inline-end: 1px solid var(--line); color: var(--muted); font-size: .75rem; text-align: center; }
.hero-footnote span:first-child { border-inline-end: 0; }

@keyframes soft-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Shared headings */
.section-heading { margin-block-end: clamp(40px, 6vw, 72px); }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); align-items: end; gap: 50px; }
.section-heading h2, .approach-sticky h2, .types-head h2, .quality-title h2, .process-copy h2, .technology-intro h2, .performance-copy h2, .faq-intro h2, .honesty-grid h2 { margin-block-end: 0; font-size: clamp(1.2rem, 2.4vw, 2.22rem); font-weight: 750; }
.section-heading > p, .split-heading > p { max-inline-size: 520px; margin-block-end: 4px; font-size: 1rem; line-height: 2; }
.inline-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; }

/* Principles */
.principles-strip { border-block: 1px solid var(--line); background: var(--white); }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.principles-grid article { min-block-size: 190px; padding: 30px 28px; border-inline-end: 1px solid var(--line); }
.principles-grid article:first-child { border-inline-end: 0; }
.principles-grid article > span { display: block; margin-block-end: 25px; color: var(--primary); font-size: .72rem; font-weight: 700; }
.principles-grid strong { display: block; margin-block-end: 7px; font-size: 1.02rem; }
.principles-grid p { margin: 0; font-size: .82rem; line-height: 1.8; }

/* Projects */
.selected-work { background: var(--white); }
.project-stack { display: grid; gap: 22px; }
.project-card { position: relative; overflow: hidden; border-radius: var(--radius-xl); }
.project-card > a { position: relative; display: grid; grid-template-columns: minmax(360px, .72fr) minmax(0, 1.28fr); min-block-size: 520px; }
.project-blue { background: #183fc8; color: var(--white); }
.project-neutral { background: #edf0f4; color: var(--ink); }
.project-copy { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; padding: clamp(34px, 5vw, 72px); }
.project-index { margin-block-end: auto; color: currentColor; opacity: .66; font-size: .75rem; }
.project-copy h3 { max-inline-size: 530px; margin-block-end: 18px; font-size: clamp(1.05rem, 1.8vw, 1.8rem); }
.project-copy p { max-inline-size: 510px; color: currentColor; opacity: .76; }
.project-blue .project-copy p { color: var(--on-dark-muted); opacity: 1; }
.project-copy ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.project-copy li { padding: 6px 10px; border: 1px solid currentColor; border-radius: var(--radius-xs); font-size: .7rem; opacity: .74; }
.project-visual { display: grid; place-items: center; padding: 35px; overflow: hidden; }
.project-visual img { inline-size: 100%; max-block-size: 440px; object-fit: contain; transition: transform 600ms var(--ease); }
.project-card:hover .project-visual img { transform: scale(1.03) rotate(-.5deg); }
.project-arrow { position: absolute; inset-block-start: 28px; inset-inline-start: 28px; z-index: 3; display: grid; inline-size: 52px; aspect-ratio: 1; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 1.2rem; transition: transform 300ms var(--ease), background 300ms, color 300ms; }
.project-card:hover .project-arrow { transform: translate(-3px, 3px); background: var(--white); color: var(--ink); }
.section-action { margin-block-start: 34px; text-align: center; }

/* Editorial approach */
.approach-section { background: var(--warm-white); }
.approach-grid { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr); gap: clamp(60px, 10vw, 150px); }
.approach-sticky { position: sticky; inset-block-start: 120px; align-self: start; }
.approach-sticky h2 { margin-block-end: 22px; }
.approach-sticky p { max-inline-size: 520px; margin-block-end: 26px; font-size: 1rem; line-height: 2.05; }
.approach-steps { border-block-start: 1px solid var(--line-strong); }
.editorial-step { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding-block: 38px; border-block-end: 1px solid var(--line-strong); }
.editorial-step > span { display: grid; inline-size: 42px; aspect-ratio: 1; place-items: center; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-size: .8rem; font-weight: 700; }
.editorial-step h3 { margin-block-end: 8px; font-size: 1.05rem; }
.editorial-step p { max-inline-size: 650px; margin: 0; font-size: .92rem; }

/* Services */
.services-section { background: var(--ink); color: var(--white); }
.services-section .eyebrow { color: var(--cyan); }
.services-section .section-heading > p { color: #aab2c2; }
.services-list { border-block-start: 1px solid rgb(255 255 255 / 16%); }
.service-row { position: relative; display: grid; grid-template-columns: 70px minmax(250px, .8fr) minmax(250px, 1fr) 40px; align-items: center; gap: 24px; padding-block: 30px; border-block-end: 1px solid rgb(255 255 255 / 16%); transition: padding-inline 280ms var(--ease), background 280ms ease; }
.service-row::before { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(90deg, transparent, rgb(36 82 230 / 25%)); opacity: 0; transition: opacity 280ms; }
.service-row > * { position: relative; z-index: 1; }
.service-row:hover { padding-inline: 18px; }
.service-row:hover::before { opacity: 1; }
.service-row > span { color: #7f899c; font-size: .7rem; }
.service-row h3 { margin: 0; font-size: clamp(1rem, 1.2vw, 1.2rem); }
.service-row p { margin: 0; color: #aab2c2; font-size: .87rem; }
.service-row i { color: var(--cyan); font-size: 1.25rem; font-style: normal; transition: transform 250ms; }
.service-row:hover i { transform: translateX(-6px); }

/* Types */
.website-types { background: var(--surface); }
.types-head { max-inline-size: 880px; margin-block-end: 58px; }
.type-composition { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr); gap: 24px; }
.type-feature { position: relative; min-block-size: 630px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: clamp(28px, 5vw, 58px); border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--white); }
.type-feature img { inline-size: 78%; max-block-size: 360px; align-self: center; object-fit: contain; }
.type-feature > div { position: relative; z-index: 2; }
.type-feature span { color: var(--primary); font-size: .72rem; font-weight: 700; }
.type-feature h3 { max-inline-size: 600px; margin: 9px 0 8px; font-size: clamp(1.1rem, 1.56vw, 1.5rem); }
.type-feature p { max-inline-size: 620px; margin: 0; }
.type-links { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--white); overflow: hidden; }
.type-links a { display: flex; min-block-size: 135px; align-items: center; justify-content: space-between; gap: 12px; padding: 24px; border-block-end: 1px solid var(--line); border-inline-end: 1px solid var(--line); font-weight: 600; transition: background 220ms, color 220ms; }
.type-links a:nth-child(odd) { border-inline-end: 0; }
.type-links a:nth-last-child(-n + 2) { border-block-end: 0; }
.type-links a span { color: var(--primary); transition: transform 220ms; }
.type-links a:hover { background: var(--surface-blue); color: var(--primary); }
.type-links a:hover span { transform: translateX(-4px); }

/* Quality */
.quality-section { background: var(--white); }
.quality-title { max-inline-size: 1000px; margin-block-end: 60px; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.quality-grid article { border: 1px solid var(--line); border-radius: var(--radius-lg); }
.quality-main { grid-row: span 2; display: flex; flex-direction: column; overflow: hidden; padding: 28px; background: var(--surface-blue); }
.quality-main img { inline-size: 100%; max-block-size: 340px; margin-block-end: auto; object-fit: contain; }
.quality-main h3 { margin: 30px 0 8px; font-size: 1.1rem; }
.quality-main p { margin: 0; font-size: .88rem; }
.quality-card { min-block-size: 268px; padding: 32px; background: var(--white); transition: transform 280ms var(--ease), box-shadow 280ms; }
.quality-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.quality-icon { display: grid; inline-size: 48px; aspect-ratio: 1; place-items: center; margin-block-end: 36px; border-radius: var(--radius-sm); background: var(--surface-blue); color: var(--primary); font-weight: 800; }
.quality-card h3 { margin-block-end: 7px; font-size: 1rem; }
.quality-card p { margin: 0; font-size: .82rem; }

/* Process */
.process-preview { background: var(--warm-white); }
.process-shell { display: grid; grid-template-columns: minmax(0, .95fr) minmax(400px, 1.05fr); align-items: center; gap: clamp(45px, 8vw, 110px); }
.process-visual { display: grid; min-block-size: 600px; place-items: center; overflow: hidden; border-radius: var(--radius-xl); background: var(--surface-deep); }
.process-visual img { inline-size: 86%; max-block-size: 540px; object-fit: contain; }
.process-copy h2 { margin-block-end: 34px; }
.process-list { margin: 0 0 28px; padding: 0; list-style: none; border-block-start: 1px solid var(--line-strong); }
.process-list li { display: grid; grid-template-columns: 50px 1fr; gap: 16px; padding-block: 20px; border-block-end: 1px solid var(--line-strong); }
.process-list li > span { color: var(--primary); font-size: .7rem; font-weight: 700; }
.process-list strong { display: block; margin-block-end: 2px; }
.process-list small { color: var(--slate); font-size: .78rem; }

/* Technology */
.technology-section { overflow: hidden; background: var(--white); }
.technology-intro { max-inline-size: 900px; margin-block-end: 56px; }
.technology-intro h2 { margin-block-end: 18px; }
.technology-intro p { max-inline-size: 760px; }
.tech-track { display: flex; inline-size: max-content; align-items: center; gap: 10px; padding-block: 16px; animation: drift 28s linear infinite alternate; }
.tech-track span { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--warm-white); color: var(--graphite); font-size: .78rem; white-space: nowrap; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(-16vw); } }
.tech-decisions { display: grid; grid-template-columns: repeat(3, 1fr); margin-block-start: 45px; border-block-start: 1px solid var(--line-strong); border-inline-start: 1px solid var(--line-strong); }
.tech-decisions article { min-block-size: 340px; display: flex; flex-direction: column; align-items: flex-start; padding: 34px; border-block-end: 1px solid var(--line-strong); border-inline-end: 1px solid var(--line-strong); }
.tech-decisions article > span { margin-block-end: 55px; color: var(--primary); font-size: .7rem; }
.tech-decisions h3 { margin-block-end: 10px; font-size: 1.05rem; }
.tech-decisions p { margin-block-end: 24px; font-size: .84rem; }
.tech-decisions a { margin-block-start: auto; color: var(--primary); font-size: .83rem; font-weight: 600; }
.tech-decisions b { margin-inline-start: 8px; }

/* Performance */
.performance-section { background: var(--surface-blue); }
.performance-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); align-items: center; gap: clamp(50px, 8vw, 120px); }
.performance-copy h2 { margin-block-end: 20px; }
.performance-copy > p { max-inline-size: 620px; }
.check-list { display: grid; gap: 9px; margin: 26px 0 32px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-inline-start: 28px; color: var(--graphite); font-size: .88rem; }
.check-list li::before { content: "✓"; position: absolute; inset-inline-start: 0; display: grid; inline-size: 18px; aspect-ratio: 1; place-items: center; border-radius: 50%; background: var(--primary); color: var(--white); font-size: .65rem; }
.performance-panel { padding: 32px; border: 1px solid rgb(36 82 230 / 15%); border-radius: var(--radius-xl); background: var(--white); box-shadow: var(--shadow-md); }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding-block-end: 22px; border-block-end: 1px solid var(--line); color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.panel-head i { inline-size: 8px; aspect-ratio: 1; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgb(8 122 85 / 10%); }
.metric { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-block: 24px; border-block-end: 1px solid var(--line); }
.metric strong { display: block; margin-block-end: 2px; font-size: .98rem; }
.metric small { color: var(--muted); font-size: .72rem; }
.metric-ring { display: grid; inline-size: 62px; aspect-ratio: 1; flex: 0 0 auto; place-items: center; border: 6px solid var(--primary-soft); border-inline-start-color: var(--primary); border-radius: 50%; color: var(--primary); font-size: .76rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.metric-note { margin: 20px 0 0; font-size: .7rem; line-height: 1.8; }

/* Comparison */
.redesign-section { background: var(--white); }
.comparison { --split: 50%; position: relative; min-block-size: 570px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-xl); background: #eef1f4; }
.comparison-state { position: absolute; inset: 0; padding: 42px; }
.comparison-state > span { position: absolute; inset-block-start: 20px; z-index: 3; padding: 6px 10px; border-radius: var(--radius-xs); background: rgb(255 255 255 / 88%); font-size: .7rem; font-weight: 600; }
.before { inset-inline-start: 0; background: #ebeef1; }
.before > span { inset-inline-start: 20px; }
.after { z-index: 2; inline-size: var(--split); overflow: hidden; background: linear-gradient(140deg, #edf3ff, #f9fbff); clip-path: inset(0 0 0 0); }
.after > * { inline-size: calc((100vw - 48px) * .86); max-inline-size: 1169px; }
.after > span { inset-inline-start: 20px; inline-size: auto; }
.mock-nav { inline-size: 88%; block-size: 66px; margin: 50px auto 34px; border-radius: var(--radius-sm); background: var(--white); box-shadow: var(--shadow-sm); }
.mock-layout { inline-size: 88%; min-block-size: 330px; display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 120px; gap: 14px; margin-inline: auto; }
.mock-layout i { border-radius: var(--radius-sm); background: #cfd5dd; }
.before .mock-layout { grid-template-columns: repeat(4, 1fr); gap: 8px; }
.before .mock-layout i { border-radius: 2px; background: #c4c9cf; }
.before .mock-layout i:nth-child(1) { grid-column: span 4; }
.after .mock-layout i { background: #dce5ff; }
.after .mock-layout i:nth-child(1) { grid-column: span 4; grid-row: span 2; background: var(--primary); }
.after .mock-layout i:nth-child(2) { grid-column: span 2; }
.after .mock-layout i:nth-child(3) { grid-column: span 2; background: var(--cyan); }
.comparison-handle { position: absolute; z-index: 5; inset-block: 0; inset-inline-start: var(--split); inline-size: 2px; background: var(--primary); pointer-events: none; }
.comparison-handle b { position: absolute; inset-block-start: 50%; inset-inline-start: 50%; display: grid; inline-size: 48px; aspect-ratio: 1; place-items: center; transform: translate(-50%, -50%); border: 1px solid var(--primary); border-radius: 50%; background: var(--white); color: var(--primary); box-shadow: var(--shadow-sm); }
.comparison input[type="range"] { position: absolute; z-index: 8; inset: 0; inline-size: 100%; block-size: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.comparison-notes { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-block-start: 18px; }
.comparison-notes span { padding: 7px 11px; border: 1px solid var(--line); border-radius: var(--radius-xs); color: var(--slate); font-size: .7rem; }
.comparison-notes a { margin-inline-start: auto; color: var(--primary); font-size: .82rem; font-weight: 600; }

/* Honest trust */
.honesty-section { padding-block: clamp(70px, 8vw, 110px); background: var(--ink); color: var(--white); }
.honesty-section .eyebrow { color: var(--cyan); }
.honesty-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(350px, 1.1fr); align-items: end; gap: 80px; }
.honesty-copy { padding-inline-start: 50px; border-inline-start: 1px solid rgb(255 255 255 / 20%); }
.honesty-copy p { color: #b5bdcb; font-size: 1rem; }
.honesty-copy .text-link { color: var(--white); }

/* Insights */
.insights-section { background: var(--warm-white); }
.insight-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 18px; }
.insight-card { min-block-size: 390px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); transition: transform 280ms var(--ease), box-shadow 280ms; }
.insight-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-sm); }
.insight-card a { block-size: 100%; display: flex; flex-direction: column; align-items: flex-start; padding: 32px; }
.feature-insight { min-block-size: 470px; background: var(--primary); color: var(--white); }
.insight-topic { margin-block-end: auto; color: var(--primary); font-size: .72rem; font-weight: 700; }
.feature-insight .insight-topic { color: var(--cyan); }
.insight-card h3 { margin-block-start: 55px; margin-block-end: 12px; font-size: clamp(1.05rem, 1.2vw, 1.2rem); }
.insight-card p { margin-block-end: 28px; font-size: .84rem; }
.feature-insight p { color: rgb(255 255 255 / 72%); }
.read-more { margin-block-start: auto; font-size: .72rem; font-weight: 600; }
.read-more i { margin-inline-start: 8px; color: var(--primary); font-style: normal; }
.feature-insight .read-more i { color: var(--cyan); }

/* FAQ */
.faq-section { background: var(--white); }
.faq-grid { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); align-items: start; gap: clamp(50px, 9vw, 130px); }
.faq-intro { position: sticky; inset-block-start: 120px; }
.faq-intro h2 { margin-block-end: 18px; }
.faq-intro p { margin-block-end: 25px; }
.accordion { border-block-start: 1px solid var(--line-strong); }
.accordion details { border-block-end: 1px solid var(--line-strong); }
.accordion summary { display: flex; min-block-size: 84px; align-items: center; justify-content: space-between; gap: 20px; list-style: none; font-weight: 600; cursor: pointer; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { display: grid; inline-size: 32px; aspect-ratio: 1; flex: 0 0 auto; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--primary); transition: transform 220ms; }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details > div { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 250ms var(--ease); }
.accordion details[open] > div { grid-template-rows: 1fr; }
.accordion details > div > p { overflow: hidden; margin: 0; padding: 0 0 24px; max-inline-size: 720px; font-size: .9rem; }

/* CTA & Footer */
.final-cta { padding-block: 0 24px; background: var(--white); }
.final-cta-shell { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px 70px; padding: clamp(40px, 7vw, 86px); border-radius: var(--radius-xl); background: var(--primary); color: var(--white); }
.final-cta-shell .eyebrow { color: var(--on-dark-accent); }
.final-cta-shell h2 { margin: 0; max-inline-size: 850px; color: var(--on-dark); font-size: clamp(1.2rem, 2.4vw, 2.4rem); }
.final-cta-shell > p { align-self: end; margin: 0; color: var(--on-dark-muted); }
.final-cta-shell .button-ghost-light {
  --button-color: var(--on-dark);
  --button-border: var(--on-dark-border);
}
.final-cta-shell .button-ghost-light:hover {
  --button-bg: rgb(255 255 255 / 13%);
  --button-border: var(--on-dark);
}
.final-cta-shell :is(a, button):focus-visible,
.project-blue :is(a, button):focus-visible,
.services-section :is(a, button):focus-visible,
.honesty-section :is(a, button):focus-visible,
.feature-insight :is(a, button):focus-visible {
  outline-color: var(--on-dark-accent);
}
.final-cta-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 10px; }
.cta-mark { position: absolute; inset-block-start: -60px; inset-inline-start: -40px; inline-size: 260px; aspect-ratio: 1; opacity: .16; }
.cta-mark span { position: absolute; inset: 0; border: 1px solid white; transform: rotate(15deg); }
.cta-mark span:nth-child(2) { inset: 30px; transform: rotate(35deg); }
.cta-mark span:nth-child(3) { inset: 65px; transform: rotate(55deg); }
.site-footer { padding-block: 82px 28px; background: var(--white); }
.footer-top { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: 90px; padding-block-end: 70px; }
.footer-brand p { max-inline-size: 380px; margin: 22px 0; font-size: .86rem; }
.footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.footer-contact a { color: var(--graphite); font-size: .83rem; }
.footer-contact a:hover { color: var(--primary); }
.footer-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.footer-groups details summary { margin-block-end: 18px; color: var(--ink); font-size: .78rem; font-weight: 700; list-style: none; cursor: default; }
.footer-groups details summary::-webkit-details-marker { display: none; }
.footer-groups nav { display: grid; gap: 8px; }
.footer-groups nav a { color: var(--slate); font-size: .77rem; transition: color 180ms; }
.footer-groups nav a:hover { color: var(--primary); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block-start: 24px; border-block-start: 1px solid var(--line); color: var(--muted); font-size: .68rem; }
.footer-bottom div { display: flex; gap: 20px; }
.floating-contact { position: fixed; z-index: 45; inset-inline-end: 22px; inset-block-end: 22px; display: grid; inline-size: 52px; aspect-ratio: 1; place-items: center; border-radius: 50%; background: var(--ink); color: var(--white); box-shadow: 0 12px 35px rgb(16 19 26 / 25%); transition: transform 250ms var(--ease), background 250ms; }
.floating-contact:hover { transform: translateY(-4px); background: var(--primary); }
.floating-contact svg { inline-size: 26px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }

/* Generic internal-page system */
.inner-page main { overflow: clip; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-block-end: 26px; color: var(--muted); font-size: .72rem; }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs span[aria-hidden="true"] { color: var(--line-strong); }
.page-hero, .landing-hero { position: relative; padding-block: clamp(60px, 8vw, 110px); overflow: hidden; }
.page-hero-grid, .landing-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr); align-items: center; gap: clamp(42px, 8vw, 100px); }
.page-hero h1, .landing-hero h1 { max-inline-size: 880px; margin-block-end: 22px; font-size: clamp(1.53rem, 3vw, 3rem); font-weight: 800; line-height: 1.4; }
.page-hero-copy > p, .landing-hero-copy > p { max-inline-size: 700px; font-size: 1.05rem; line-height: 2; }
.hero-kicker { display: inline-flex; margin-block-end: 16px; color: var(--primary); font-size: .78rem; font-weight: 700; }
.hero-image, .landing-hero-media { display: grid; min-block-size: 460px; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface-blue); }
.hero-image img, .landing-hero-media img { inline-size: 88%; max-block-size: 430px; object-fit: contain; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 28px; }
.trust-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-block-start: 25px; }
.trust-chips span { padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--radius-xs); color: var(--slate); font-size: .7rem; }
.content-band { padding-block: clamp(70px, 8vw, 120px); }
.content-band:nth-of-type(even) { background: var(--white); }
.content-grid { display: grid; grid-template-columns: minmax(260px, .65fr) minmax(0, 1.35fr); gap: clamp(46px, 8vw, 115px); }
.content-aside { position: sticky; inset-block-start: 110px; align-self: start; }
.content-aside h2 { font-size: clamp(1.08rem, 2.1vw, 1.8rem); }
.prose { max-inline-size: var(--readable); }
.prose h2 { margin-block: 2.2em .65em; font-size: clamp(.99rem, 1.8vw, 1.47rem); }
.prose h2:first-child { margin-block-start: 0; }
.prose h3 { margin-block: 1.8em .55em; font-size: 1.05rem; }
.prose p, .prose li { color: var(--slate); font-size: .96rem; line-height: 2.05; }
.prose a { color: var(--primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.prose ul, .prose ol { padding-inline-start: 1.3em; }
.prose blockquote { margin: 36px 0; padding: 24px 28px; border-inline-start: 3px solid var(--primary); background: var(--surface-blue); color: var(--graphite); font-size: 1.06rem; }
.feature-grid, .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card, .info-card { min-block-size: 250px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.feature-card h3, .info-card h3 { margin-block: 30px 8px; font-size: 1rem; }
.feature-card p, .info-card p { margin: 0; font-size: .82rem; }
.feature-number { color: var(--primary); font-size: .72rem; font-weight: 700; }
.detail-visual { display: grid; min-block-size: 500px; place-items: center; margin-block: 50px; overflow: hidden; border-radius: var(--radius-xl); background: var(--surface); }
.detail-visual img { inline-size: min(85%, 900px); max-block-size: 470px; object-fit: contain; }
.link-cluster { display: flex; flex-wrap: wrap; gap: 9px; }
.link-cluster a { padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius-xs); color: var(--graphite); font-size: .75rem; }
.link-cluster a:hover { border-color: var(--primary); color: var(--primary); }

/* Forms and wizard */
.form-shell { padding: clamp(24px, 5vw, 50px); border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--white); box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label, .field legend { color: var(--graphite); font-size: .79rem; font-weight: 600; }
.field input, .field textarea, .field select {
  inline-size: 100%;
  min-block-size: 52px;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--warm-white);
  color: var(--ink);
  outline: none;
  transition: border-color 180ms, box-shadow 180ms, background 180ms;
}
.field textarea { min-block-size: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 4px rgb(36 82 230 / 10%); }
.field [aria-invalid="true"] { border-color: var(--error); box-shadow: 0 0 0 4px rgb(180 35 24 / 8%); }
.field-hint,
.field-counter { margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.85; }
.field-counter { justify-self: end; direction: ltr; font-variant-numeric: tabular-nums; }
.field-error { min-block-size: 20px; margin: 0; color: var(--error); font-size: .72rem; line-height: 1.75; }
.field.is-valid :is(input:not([type="file"]), textarea, select) { border-color: rgb(17 122 79 / 45%); }
.field.is-invalid label,
.checkbox-field.is-invalid label { color: var(--error); }
.checkbox-field { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 10px; }
.checkbox-field input { inline-size: 18px; block-size: 18px; margin-block-start: 5px; accent-color: var(--primary); }
.checkbox-field label { flex: 1; color: var(--slate); font-size: .76rem; }
.checkbox-field .field-error { inline-size: 100%; padding-inline-start: 28px; }
.form-actions { display: flex; align-items: center; gap: 14px; margin-block-start: 26px; }
.form-status { min-block-size: 0; margin: 0; padding: 0; border: 0 solid transparent; color: var(--slate); font-size: .78rem; line-height: 1.9; outline: none; transition: padding 180ms ease, background-color 180ms ease, border-color 180ms ease; }
.form-status:not(:empty) { min-block-size: 48px; padding: 10px 14px; border-inline-start-width: 3px; background: var(--surface-blue); }
.form-status.success { border-color: var(--success); background: rgb(17 122 79 / 7%); color: #0d6743; }
.form-status.error { border-color: var(--error); background: rgb(180 35 24 / 7%); color: var(--error); }
.form-status.pending { border-color: var(--primary); color: var(--primary); }
.form-submit { position: relative; min-inline-size: 190px; }
.button-loader { inline-size: 15px; block-size: 15px; display: none; border: 2px solid rgb(255 255 255 / 45%); border-block-start-color: #fff; border-radius: 50%; animation: form-spin .7s linear infinite; }
form[aria-busy="true"] .button-loader { display: inline-block; }
form[aria-busy="true"] .form-submit { cursor: wait; }
.form-security-note { display: flex; align-items: center; gap: 8px; margin: 20px 0 0; color: var(--muted); font-size: .7rem; line-height: 1.85; }
.form-security-note span { color: var(--primary); font-size: .9rem; }
.form-trap { position: absolute !important; inline-size: 1px !important; block-size: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; clip-path: inset(50%) !important; white-space: nowrap !important; }
.field input[type="file"] { padding: 7px; }
.field input[type="file"]::file-selector-button { min-block-size: 36px; margin-inline-end: 10px; padding-inline: 14px; border: 1px solid var(--line-strong); background: #fff; color: var(--primary); font: 700 .72rem/1 Vazirmatn, Tahoma, sans-serif; cursor: pointer; }
@keyframes form-spin { to { transform: rotate(360deg); } }
.contact-layout { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); align-items: start; gap: clamp(45px, 8vw, 110px); }
.contact-details { position: sticky; inset-block-start: 110px; }
.contact-details h2 { font-size: clamp(1.2rem, 2.4vw, 2.1rem); }
.contact-methods { display: grid; gap: 10px; margin-block-start: 30px; }
.contact-methods a { display: flex; align-items: center; justify-content: space-between; padding-block: 12px; border-block-end: 1px solid var(--line); color: var(--graphite); }
.contact-methods a span { color: var(--primary); }
.wizard { max-inline-size: 900px; margin-inline: auto; }
.wizard-progress { display: flex; align-items: center; gap: 14px; margin-block-end: 36px; }
.wizard-progress-track { flex: 1; block-size: 4px; overflow: hidden; border-radius: 4px; background: var(--line); }
.wizard-progress-bar { inline-size: 11%; block-size: 100%; background: var(--primary); transition: inline-size 300ms var(--ease); }
.wizard-progress span { min-inline-size: 70px; color: var(--muted); font-size: .72rem; font-variant-numeric: tabular-nums; }
.wizard-step { display: none; }
.wizard-step.is-active { display: block; animation: step-in 280ms var(--ease); }
@keyframes step-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.wizard-step h2 { margin-block-end: 8px; font-size: clamp(1.02rem, 1.8vw, 1.5rem); }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-block-start: 28px; }
.choice-card { position: relative; }
.choice-card input { position: absolute; opacity: 0; pointer-events: none; }
.choice-card label { display: flex; min-block-size: 110px; flex-direction: column; justify-content: center; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--warm-white); cursor: pointer; transition: border-color 180ms, background 180ms, transform 180ms; }
.choice-card label strong { margin-block-end: 3px; }
.choice-card label small { color: var(--muted); }
.choice-card input:checked + label { border-color: var(--primary); background: var(--surface-blue); box-shadow: 0 0 0 2px var(--primary); }
.choice-card input:focus-visible + label { outline: 3px solid color-mix(in srgb, var(--primary) 68%, white); outline-offset: 3px; }
.wizard-step.is-invalid .choice-card label { border-color: rgb(180 35 24 / 24%); }
.step-error { min-block-size: 22px; margin: 12px 0 0; color: var(--error); font-size: .75rem; line-height: 1.8; }
.wizard-actions { display: flex; justify-content: space-between; gap: 10px; margin-block-start: 32px; padding-block-start: 24px; border-block-start: 1px solid var(--line); }

/* Listings and articles */
.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.listing-card { min-block-size: 360px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.listing-card a { block-size: 100%; display: flex; flex-direction: column; padding: 28px; }
.listing-card .card-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-block-end: auto; color: var(--primary); font-size: .69rem; }
.listing-card h2, .listing-card h3 { margin-block: 45px 10px; font-size: 1.05rem; }
.listing-card p { font-size: .82rem; }
.listing-card .read-more { margin-block-start: auto; }
.article-layout { display: grid; grid-template-columns: minmax(190px, .3fr) minmax(0, 1fr) minmax(200px, .3fr); gap: clamp(28px, 5vw, 70px); align-items: start; }
.article-toc { position: sticky; inset-block-start: 110px; padding: 18px; border-inline-start: 1px solid var(--line); }
.article-toc strong { display: block; margin-block-end: 10px; font-size: .75rem; }
.article-toc a { display: block; padding-block: 5px; color: var(--muted); font-size: .7rem; }
.article-toc a:hover { color: var(--primary); }
.article-meta { color: var(--muted); font-size: .72rem; }
.article-content { max-inline-size: 780px; }
.article-content > p:first-of-type { color: var(--graphite); font-size: 1.1rem; }
.article-content h2 { scroll-margin-top: 100px; }
.article-aside { position: sticky; inset-block-start: 110px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.article-aside p { font-size: .75rem; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-block-start: 40px; }
.pagination a, .pagination span { display: grid; inline-size: 42px; aspect-ratio: 1; place-items: center; border: 1px solid var(--line); border-radius: var(--radius-xs); font-size: .75rem; }
.pagination .current { border-color: var(--primary); background: var(--primary); color: var(--white); }

/* Error pages */
.error-page { min-block-size: 100svh; display: grid; place-items: center; padding: 24px; background: var(--warm-white); }
.error-shell { max-inline-size: 760px; text-align: center; }
.error-code { display: block; margin-block-end: 10px; color: var(--primary); font-size: clamp(6rem, 20vw, 13rem); font-weight: 900; line-height: 1; letter-spacing: -.08em; }
.error-shell h1 { font-size: clamp(1.2rem, 3vw, 2.1rem); }
.error-shell p { max-inline-size: 600px; margin-inline: auto; }
.error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-block-start: 26px; }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 650ms var(--ease), transform 650ms var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  :root { --container: min(100% - 40px, 1120px); }
  .desktop-nav { gap: 0; }
  .nav-link { padding-inline: 9px; font-size: .82rem; }
  .header-shell { gap: 18px; }
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr); gap: 36px; }
  .project-card > a { min-block-size: 480px; }
  .quality-grid { grid-template-columns: 1.15fr 1fr; }
  .quality-main { grid-row: span 2; }
  .quality-card { min-block-size: 240px; }
  .insight-grid { grid-template-columns: 1.2fr 1fr; }
  .insight-grid article:last-child { grid-column: 2; }
  .article-layout { grid-template-columns: 180px minmax(0, 1fr); }
  .article-aside { display: none; }
}

@media (max-width: 980px) {
  :root { --header-height: 74px; }
  .desktop-nav, .header-cta { display: none; }
  .header-shell { justify-content: space-between; }
  .menu-toggle, .mobile-menu { display: flex; }
  .hero-grid { grid-template-columns: 1fr; min-block-size: auto; }
  .hero-copy { max-inline-size: 850px; }
  .hero-visual { max-inline-size: 760px; margin-inline: auto; }
  .display-title { font-size: clamp(1.68rem, 4.8vw, 3rem); }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .principles-grid article:nth-child(3) { border-inline-end: 0; }
  .principles-grid article:nth-child(-n + 2) { border-block-end: 1px solid var(--line); }
  .split-heading, .approach-grid, .process-shell, .performance-grid, .faq-grid, .honesty-grid, .footer-top, .page-hero-grid, .landing-hero-grid, .contact-layout { grid-template-columns: 1fr; }
  .approach-sticky, .faq-intro, .contact-details { position: static; }
  .project-card > a { grid-template-columns: 1fr; }
  .project-copy { min-block-size: 390px; }
  .project-visual { min-block-size: 390px; }
  .service-row { grid-template-columns: 45px 1fr 40px; }
  .service-row p { display: none; }
  .type-composition { grid-template-columns: 1fr; }
  .type-feature { min-block-size: 580px; }
  .process-visual { min-block-size: 500px; }
  .tech-decisions { grid-template-columns: 1fr; }
  .tech-decisions article { min-block-size: 270px; }
  .tech-decisions article > span { margin-block-end: 30px; }
  .performance-panel { max-inline-size: 720px; }
  .honesty-copy { padding: 32px 0 0; border-inline-start: 0; border-block-start: 1px solid rgb(255 255 255 / 20%); }
  .final-cta-shell { grid-template-columns: 1fr; }
  .footer-groups { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: 1fr; }
  .content-aside { position: static; }
  .feature-grid, .card-grid, .listing-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; border-inline-start: 0; border-block: 1px solid var(--line); }
}

@media (max-width: 700px) {
  :root { --container: min(100% - 28px, 660px); }
  body { font-size: 15px; }
  .section { padding-block: 76px; }
  .brand img { inline-size: 136px; }
  .display-title { font-size: clamp(1.41rem, 7.2vw, 2.16rem); letter-spacing: -.035em; }
  .hero { padding-block-start: 38px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { inline-size: 100%; }
  .hero-proof { flex-direction: column; }
  .hero-visual { inline-size: calc(100% + 14px); margin-inline-start: -7px; }
  .visual-note { font-size: .64rem; }
  .note-top { inset-block-start: 4%; }
  .note-bottom { inset-block-end: 4%; }
  .hero-footnote { grid-template-columns: 1fr 1fr; }
  .hero-footnote span:nth-child(3) { border-inline-end: 0; }
  .hero-footnote span:nth-child(-n + 2) { border-block-end: 1px solid var(--line); }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-grid article { min-block-size: auto; padding: 24px 10px; border-inline-end: 0; border-block-end: 1px solid var(--line); }
  .principles-grid article:last-child { border-block-end: 0; }
  .principles-grid article > span { margin-block-end: 12px; }
  .section-heading { margin-block-end: 38px; }
  .section-heading h2, .approach-sticky h2, .types-head h2, .quality-title h2, .process-copy h2, .technology-intro h2, .performance-copy h2, .faq-intro h2, .honesty-grid h2 { font-size: clamp(1.08rem, 5.4vw, 1.62rem); }
  .inline-heading { align-items: flex-start; flex-direction: column; }
  .project-card { border-radius: var(--radius-lg); }
  .project-card > a { min-block-size: 0; }
  .project-copy { min-block-size: 340px; padding: 28px; }
  .project-visual { min-block-size: 300px; padding: 22px; }
  .project-arrow { inset-block-start: 18px; inset-inline-start: 18px; inline-size: 44px; }
  .editorial-step { grid-template-columns: 46px 1fr; gap: 12px; padding-block: 28px; }
  .editorial-step > span { inline-size: 36px; }
  .service-row { grid-template-columns: 34px 1fr 25px; gap: 12px; padding-block: 24px; }
  .service-row h3 { font-size: 1rem; }
  .service-row:hover { padding-inline: 8px; }
  .type-feature { min-block-size: 500px; padding: 26px; }
  .type-feature img { inline-size: 100%; }
  .type-links a { min-block-size: 98px; padding: 17px; font-size: .85rem; }
  .quality-grid { grid-template-columns: 1fr; }
  .quality-main { min-block-size: 500px; }
  .quality-card { min-block-size: 220px; }
  .process-visual { min-block-size: 390px; }
  .process-visual img { inline-size: 100%; }
  .tech-decisions article { padding: 28px; }
  .performance-panel { padding: 22px; }
  .metric small { display: none; }
  .comparison { min-block-size: 450px; }
  .comparison-state { padding: 22px; }
  .mock-nav, .mock-layout { inline-size: 95%; }
  .comparison-notes a { inline-size: 100%; margin: 10px 0 0; }
  .insight-grid { grid-template-columns: 1fr; }
  .insight-grid article:last-child { grid-column: auto; }
  .insight-card, .feature-insight { min-block-size: 360px; }
  .accordion summary { min-block-size: 78px; font-size: .9rem; }
  .final-cta { padding-block-end: 14px; }
  .final-cta-shell { gap: 22px; padding: 34px 24px; border-radius: var(--radius-lg); }
  .final-cta-actions { flex-direction: column; }
  .final-cta-actions .button { inline-size: 100%; }
  .site-footer { padding-block-start: 60px; }
  .footer-top { gap: 45px; padding-block-end: 45px; }
  .footer-groups { grid-template-columns: 1fr; gap: 0; border-block-start: 1px solid var(--line); }
  .footer-groups details { border-block-end: 1px solid var(--line); }
  .footer-groups details summary { display: flex; min-block-size: 54px; align-items: center; justify-content: space-between; margin: 0; cursor: pointer; }
  .footer-groups details summary::after { content: "+"; color: var(--primary); }
  .footer-groups details[open] summary::after { content: "−"; }
  .footer-groups nav { padding-block: 0 18px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .floating-contact { inset-inline-end: 14px; inset-block-end: 14px; inline-size: 48px; }
  .page-hero h1, .landing-hero h1 { font-size: clamp(1.38rem, 6.6vw, 2.1rem); }
  .hero-image, .landing-hero-media { min-block-size: 340px; }
  .feature-grid, .card-grid, .listing-grid, .form-grid, .choice-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .content-band { padding-block: 70px; }
  .detail-visual { min-block-size: 360px; margin-block: 34px; }
  .form-shell { padding: 24px 18px; border-radius: var(--radius-lg); }
  .form-actions, .wizard-actions { align-items: stretch; flex-direction: column; }
  .form-actions .button, .wizard-actions .button { inline-size: 100%; }
}

@media (max-width: 380px) {
  :root { --container: min(100% - 22px, 350px); }
  .mobile-menu-inner { padding-inline: 18px; }
  .mobile-subnav { grid-template-columns: 1fr; }
  .type-links { grid-template-columns: 1fr; }
  .type-links a, .type-links a:nth-child(odd) { border-inline-end: 0; border-block-end: 1px solid var(--line); }
  .type-links a:last-child { border-block-end: 0; }
  .hero-visual .visual-note { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .floating-contact, .final-cta { display: none !important; }
  body { background: white; color: black; }
  a { text-decoration: underline; }
  .section { padding-block: 30px; }
}