/* =========================================================
   kurmanov.kz - личный бренд
   Editorial-tech: тёплая бумага, крупная типографика,
   моноширинные подписи, один акцент.
   ========================================================= */

/* ---------- Токены ---------- */
:root {
  --bg:        #f5f2eb;
  --bg-2:      #ede9df;
  --bg-3:      #e3ded1;
  --ink:       #16150f;
  --ink-2:     #514d43;
  --ink-3:     #86816f;
  --line:      rgba(22, 21, 15, 0.14);
  --line-2:    rgba(22, 21, 15, 0.28);
  --accent:    #e8452a;
  --accent-2:  #c8371f;
  --accent-ink:#fff5f0;
  --paper-tint:rgba(232, 69, 42, 0.06);

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1160px;
  --gut: clamp(1.15rem, 4vw, 3rem);
  --radius: 4px;

  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2:  clamp(1.45rem, 1.28rem + 0.85vw, 2rem);
  --step-3:  clamp(1.85rem, 1.55rem + 1.5vw, 2.9rem);
  --step-4:  clamp(2.4rem, 1.8rem + 3vw, 4.4rem);
  --step-5:  clamp(3rem, 2rem + 5vw, 6rem);
}
/* Светлая тема: включается через data-theme="light" */
:root[data-theme="light"] {
  color-scheme: light;
  --bg:        #f2f5ef;   /* фон страницы */
  --bg-2:      #e8ede3;
  --bg-3:      #e1f2b8;
  --surface:       #ffffff;   /* карточки, меню, формы */
  --surface-hover: #f7faf2;
  --tint:      #e1f2b8;       /* мягкие выделения, теги */
  --ink:       #141817;
  --ink-2:     #3a433e;
  --ink-3:     #5e6963;
  --text-body: #2a322d;       /* абзацы для чтения */
  --line:      rgba(20, 24, 23, 0.13);
  --line-2:    #7c8880;       /* границы контролов, >= 3:1 */
  --accent:    #c3f36b;       /* заливка: кнопки, метки */
  --accent-2:  #b1e650;       /* hover */
  --accent-3:  #9fd638;       /* active */
  --accent-ink:#141817;       /* текст на лаймовой заливке */
  --accent-text:#3f6e0c;      /* акцент для текста, ссылок, фокуса на светлом */
  --paper-tint:transparent;
  --grain-op:  .03;
  --danger:    #b3261e;
  --warning:   #8a5a00;
  --success:   #1b7a4b;
}

/* Тёмная тема (по умолчанию): графит + лаймовый акцент */
:root, :root[data-theme="dark"] {
  color-scheme: dark;
  --bg:        #141817;   /* основной фон */
  --bg-2:      #202723;   /* карточки, меню, формы, модальные окна */
  --bg-3:      #303d26;   /* мягкие выделения, теги, уведомления без статуса */
  --surface:       #202723;
  --surface-hover: #29322d;
  --tint:      #303d26;
  --ink:       #f2f5ef;   /* основной текст и заголовки */
  --ink-2:     #cdd4cb;   /* навигация, подписи форм */
  --ink-3:     #a5afa8;   /* даты, метаданные, подписи */
  --text-body: #f2f5ef;   /* абзацы для чтения */
  --line:      #2f3833;
  --line-2:    #6b786f;   /* границы контролов, >= 3:1 к фону */
  --accent:    #c3f36b;   /* кнопки, ссылки, фокус */
  --accent-2:  #d3f98e;   /* hover */
  --accent-3:  #a9dc4c;   /* active */
  --accent-ink:#141817;   /* текст на лаймовых кнопках */
  --accent-text:#c3f36b;  /* акцент для текста, ссылок, фокуса */
  --paper-tint:transparent;
  --grain-op:  .025;
  --danger:    #ff8a80;
  --warning:   #f5c265;
  --success:   #5fd3a6;
}


/* ---------- Сброс ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; background: var(--bg); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* Зерно */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: var(--grain-op);
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
:root:not([data-theme="light"]) body::before { mix-blend-mode: screen; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--tint); color: var(--ink); }

/* ---------- Каркас ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

/* Линия-разделитель по ширине .wrap, на всю высоту блока - сам тёмный фон
   центральной колонки теперь даёт canvas #mesh-bg-center (см. ниже). */
.hero::before, .section::before, .site-footer::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  max-width: var(--wrap); margin-inline: auto;
}
.section::before, .site-footer::before { border-top: 1px dashed var(--line); }

.section { position: relative; padding-block: clamp(3.5rem, 8vw, 7rem); }

.section-head { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-num,
.section-head .section-num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .08em;
  color: var(--accent-text);
  margin-bottom: .9rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-3);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.section-title a { color: inherit; transition: color .16s ease; }
.section-title a:hover { color: var(--accent-text); }
.section-intro {
  margin-top: 1rem;
  color: var(--text-body);
  font-size: var(--step-1);
  line-height: 1.55;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .04em;
  color: var(--ink-3);
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--bg);
  padding: .7em 1.2em; font-family: var(--font-mono); font-size: .85rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .02em;
  padding: .95em 1.6em;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  transition: transform .18s ease, background-color .18s ease, color .18s ease, box-shadow .18s ease;
  will-change: transform;
}
.btn-primary { background: var(--accent); border-color: var(--accent-text); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-2px); box-shadow: 0 10px 0 -4px var(--line-2); }
.btn-primary:active { background: var(--accent-3); border-color: var(--accent-3); transform: none; box-shadow: none; }
.btn-ghost:hover { background: var(--ink); color: var(--bg); transform: translateY(-2px); }

/* ---------- Хедер ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background-color .25s ease;
}
.site-header.is-stuck { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-display); }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 1.9em; height: 1.9em;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 800; font-size: .95rem; border-radius: var(--radius);
  letter-spacing: -0.03em;
}
.brand-text { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; }
.brand-dim { color: var(--ink-3); }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.1rem); }
.nav a {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--ink-2);
  position: relative;
  padding-block: .4rem;
  transition: color .16s ease;
}
.nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--accent-text);
  transform: scaleX(0); transform-origin: right; transition: transform .24s ease;
}
.nav a:not(.nav-cta):hover { color: var(--ink); }
.nav a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: .55em 1em !important; color: var(--ink) !important;
  transition: background-color .16s ease, color .16s ease;
}
.nav-cta:hover { background: var(--ink); color: var(--bg) !important; }

.header-tools { display: flex; align-items: center; gap: .5rem; }
.theme-toggle {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; border: 1px solid var(--line-2); border-radius: var(--radius);
  color: var(--ink-2); transition: color .16s ease, border-color .16s ease;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink); }
.theme-toggle .i-sun { display: none; }
.theme-toggle .i-moon { display: block; }
:root[data-theme="light"] .theme-toggle .i-sun { display: block; }
:root[data-theme="light"] .theme-toggle .i-moon { display: none; }

.burger { display: none; width: 38px; height: 38px; border: 1px solid var(--line-2); border-radius: var(--radius); position: relative; }
.burger span { position: absolute; left: 9px; right: 9px; height: 1.5px; background: var(--ink); transition: transform .22s ease, opacity .22s ease; }
.burger span:nth-child(1) { top: 13px; }
.burger span:nth-child(2) { top: 18px; }
.burger span:nth-child(3) { top: 23px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Хиро ---------- */
.hero { padding-block: clamp(3.5rem, 10vw, 8rem) clamp(3rem, 7vw, 6rem); position: relative; }
.hero::after {
  content: ""; position: absolute; right: calc(var(--gut) * -0.3); top: 12%;
  width: min(42vw, 460px); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--paper-tint), transparent 68%);
  pointer-events: none; z-index: -1;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-4);
  line-height: 1.03;
  letter-spacing: -0.035em;
  margin: 1.2rem 0 1.6rem;
}
/* Подчёркивание - фон самой строки: корректно переносится на несколько строк (в т.ч. в Safari) */
.accent-underline {
  background: linear-gradient(var(--accent), var(--accent)) no-repeat 0 96% / 100% .09em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  padding-bottom: .04em; white-space: nowrap;
}
.hero-lead { font-size: var(--step-1); color: var(--text-body); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }

.hero-stats {
  display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 5vw, 3.5rem);
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: 1.8rem; border-top: 1px solid var(--line);
}
.hero-stats dt { font-family: var(--font-display); font-weight: 700; font-size: var(--step-1); letter-spacing: -0.02em; }
.hero-stats dd { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-3); margin-top: .2rem; }

/* ---------- Услуги ---------- */
.cards { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card { background: var(--surface); padding: clamp(1.5rem, 3.5vw, 2.6rem); display: flex; flex-direction: column; gap: .9rem; transition: background-color .2s ease; }
.card:hover { background: var(--surface-hover); }
.card-num { font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent-text); }
.card h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-2); letter-spacing: -0.02em; }
.card h3 a { color: inherit; transition: color .16s ease; }
.card h3 a:hover { color: var(--accent-text); }
.card p { color: var(--text-body); flex: 1; }
.card-tags { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .3rem; }
.card-tags li { font-family: var(--font-mono); font-size: .72rem; color: var(--ink); background: var(--tint); border: 1px solid transparent; border-radius: 100px; padding: .3em .8em; }

/* ---------- Подход ---------- */
.approach-grid { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 3.5rem); }
.approach-lead { font-family: var(--font-display); font-weight: 500; font-size: var(--step-2); line-height: 1.25; letter-spacing: -0.02em; }
.steps { list-style: none; display: grid; gap: 0; counter-reset: none; }
.steps li { display: grid; grid-template-columns: auto 1fr; gap: clamp(1rem, 3vw, 2.2rem); padding-block: 1.5rem; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.step-k { font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent-text); padding-top: .35rem; }
.steps h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-1); letter-spacing: -0.01em; }
.steps p { color: var(--text-body); margin-top: .3rem; }

/* ---------- Кейсы ---------- */
.case { display: flex; flex-direction: column; margin-bottom: 1.5rem; }
.case-media { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-hover); transition: border-color .2s ease; }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.case:hover .case-media { border-color: var(--line-2); }
.case:hover .case-media img { transform: scale(1.03); }
.case-tag { position: absolute; left: .9rem; bottom: .9rem; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em; color: #fff; background: rgba(20, 21, 15, .82); padding: .35em .75em; border-radius: 2px; backdrop-filter: blur(4px); }
.case-body { padding-top: clamp(1rem, 2vw, 1.3rem); display: flex; flex-direction: column; gap: .8rem; align-items: flex-start; flex: 1; }
.case-kicker { font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent-text); }
.case-body h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-2); line-height: 1.12; letter-spacing: -0.02em; }
.case-body > p { color: var(--text-body); }
.case-does { list-style: none; display: grid; gap: .55rem; margin-top: .4rem; padding-top: 1rem; border-top: 1px solid var(--line); width: 100%; }
.case-does li { position: relative; padding-left: 1.5rem; font-size: var(--step--1); line-height: 1.5; color: var(--text-body); }
.case-does li::before { content: "→"; position: absolute; left: 0; font-family: var(--font-mono); color: var(--accent-text); }
.case-link { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink); border-bottom: 1px solid var(--accent-text); padding-bottom: 2px; margin-top: auto; align-self: flex-start; transition: color .16s ease; }
.case-body > .case-does + .case-link { margin-top: 1rem; }
.case:hover .case-link, .case-link:hover { color: var(--accent-text); }

/* Главный кейс - на всю ширину, картинка слева крупно */
.case-lead { display: grid; grid-template-columns: 1.15fr 1fr; column-gap: clamp(1.5rem, 4vw, 3rem); }
.case-lead .case-media { min-height: 100%; }
.case-lead .case-body h3 { font-size: var(--step-3); }

/* Два кейса в ряд - картинка сверху */
.cases-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.cases-pair .case { margin-bottom: 0; }
.case-half .case-media { aspect-ratio: 16 / 9; }
.cases-pair + .case-soon { margin-top: 1.5rem; }

/* Широкий кейс - картинка-баннер сверху, текст и список в две колонки */
.cases-pair + .case-wide { margin-top: 1.5rem; }
.case-wide .case-media { aspect-ratio: 1200 / 630; }
.case-wide .case-body { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(2rem, 5vw, 4rem); row-gap: .8rem; align-content: start; align-items: start; }
.case-wide .case-body > * { grid-column: 1; }
.case-wide .case-does { grid-column: 2; grid-row: 1 / span 3; margin-top: 0; border-top: none; padding-top: 0; }
.case-wide .case-body > .case-does + .case-link { margin-top: .4rem; }

.case-soon { background: var(--tint); border-radius: var(--radius); transform: none !important; }
.case-soon:hover { border-color: var(--line); }
.case-soon .case-body { padding: clamp(1.8rem, 4vw, 2.6rem) clamp(1.5rem, 4vw, 2.6rem); flex-direction: column; }
.case-soon .case-link { margin-top: .4rem; }

/* ---------- Блог ---------- */
.posts { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.post { background: var(--surface); padding: clamp(1.4rem, 3vw, 2rem) clamp(1.2rem, 2.5vw, 1.8rem) clamp(1.8rem, 4vw, 2.6rem); display: flex; flex-direction: column; gap: .7rem; transition: background-color .2s ease; }
.post:hover { background: var(--surface-hover); }
.post-meta { font-family: var(--font-mono); font-size: .72rem; color: var(--ink-3); }
.post h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-1); line-height: 1.2; letter-spacing: -0.01em; }
.post h3 a { color: inherit; }
.post h3 a:hover { color: var(--accent-text); }
.post-link { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink); border-bottom: 1px solid var(--accent-text); padding-bottom: 2px; margin-top: auto; align-self: flex-start; transition: color .16s ease; }
.post:hover .post-link, .post-link:hover { color: var(--accent-text); }

/* ---------- Обо мне ---------- */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 6vw, 4.5rem); align-items: start; }
.about-portrait { margin: 0; position: sticky; top: 100px; isolation: isolate; }
.about-portrait::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--accent); border-radius: var(--radius);
  transform: translate(14px, 14px) rotate(1.5deg);
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.about-portrait::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  border: 1px solid var(--ink); border-radius: var(--radius);
  transform: translate(-8px, -8px);
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.about-portrait:hover::before { transform: translate(20px, 20px) rotate(2.5deg); }
.about-portrait:hover::after { transform: translate(-12px, -12px); }
.portrait-frame { position: relative; aspect-ratio: 4 / 5; overflow: hidden; border-radius: var(--radius); background: var(--surface-hover); }
.portrait-frame img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; display: block;
  transform: scale(1.02);
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.about-portrait:hover .portrait-frame img { transform: scale(1.06); }
.portrait-tag {
  position: absolute; left: .8rem; bottom: .8rem;
  font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: .02em;
  color: #fff; background: rgba(20,18,16,.72); backdrop-filter: blur(6px);
  padding: .3rem .6rem; border-radius: 4px;
}
@media (hover: none) { .portrait-frame img { filter: none; } }
.about-body .section-num { margin-top: 0; }
.about-body .section-title { margin-bottom: 1.2rem; }
.about-body p + p { margin-top: 1rem; }
.about-body p { color: var(--text-body); }
.about-body p:first-of-type { color: var(--ink); }

/* ---------- Контакт ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 4.5rem); align-items: start; }
.contact-head .section-title { margin-bottom: 1rem; }
.contact-direct { list-style: none; margin-top: 2rem; border-top: 1px solid var(--line); }
.contact-direct li { display: flex; gap: 1.5rem; align-items: baseline; padding-block: 1rem; border-bottom: 1px solid var(--line); }
.cd-k { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-3); min-width: 90px; }
.contact-direct a { font-family: var(--font-display); font-weight: 500; font-size: var(--step-1); letter-spacing: -0.01em; transition: color .16s ease; }
.contact-direct a:hover { color: var(--accent-text); }

.contact-form { display: grid; gap: 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.6rem); }
.form-note { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-3); line-height: 1.5; }
.contact-form label { display: grid; gap: .5rem; font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-2); }
.contact-form input, .contact-form textarea {
  font-family: var(--font-body); font-size: var(--step-0); color: var(--ink);
  background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: .8em 1em; width: 100%; resize: vertical;
  transition: border-color .16s ease;
}
.contact-form input:focus-visible, .contact-form textarea:focus-visible { border-color: var(--accent-text); outline: 2px solid var(--accent-text); outline-offset: 2px; }
.contact-form input:user-invalid, .contact-form textarea:user-invalid { border-color: var(--danger); }
.contact-form ::placeholder { color: var(--ink-3); opacity: 1; }
.contact-form .btn { margin-top: .3rem; }

/* ---------- Футер ---------- */
.site-footer { position: relative; padding-block: clamp(2.5rem, 6vw, 4rem); }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem 3rem; align-items: start; }
.footer-brand { display: flex; gap: 1rem; align-items: flex-start; }
.footer-brand p { color: var(--text-body); font-size: var(--step-0); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
.footer-nav a { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-2); transition: color .16s ease; }
.footer-nav a:hover { color: var(--accent-text); }
.footer-fine { grid-column: 1 / -1; font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-3); padding-top: 1.5rem; border-top: 1px solid var(--line); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .06s; }
.reveal:nth-child(3) { transition-delay: .12s; }
.reveal:nth-child(4) { transition-delay: .18s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- Адаптив ---------- */
@media (max-width: 900px) {
  .case-lead { grid-template-columns: 1fr; }
  .case-lead .case-media { aspect-ratio: 3 / 2; min-height: 0; }
  .cases-pair { grid-template-columns: 1fr; }
  .case-wide .case-body { grid-template-columns: 1fr; }
  .case-wide .case-does { grid-column: 1; grid-row: auto; border-top: 1px solid var(--line); padding-top: 1rem; }
  .case-wide .case-media { aspect-ratio: 16 / 9; }
  .about-grid, .contact-grid, .article-cta.contact-grid { grid-template-columns: 1fr; }
  .about-portrait { position: relative; top: auto; max-width: 320px; margin: 0 14px 14px 0; }
  .posts { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--surface); border-bottom: 1px solid var(--line);
    padding: .5rem var(--gut) 1.5rem;
    transform: translateY(-120%); transition: transform .3s cubic-bezier(.4,0,.2,1);
    max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding-block: .95rem; border-bottom: 1px solid var(--line); font-size: .95rem; }
  .nav a:not(.nav-cta)::after { display: none; }
  .nav-cta { border: none !important; padding-inline: 0 !important; color: var(--accent-text) !important; }
  .burger { display: block; }
  .cards { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1.2rem; }
  .br-d { display: none; }
  .accent-underline { white-space: normal; }
  .hero-title { letter-spacing: -0.02em; }
}

/* ---------- Тёмная тема: поправки ---------- */
/* лайм не заливает область под текстом: вместо маркера тонкая линия */
/* ссылки в тексте подчёркнуты */
.about-body p a, .section-intro a, .form-note a, .footer-fine a, .note p a, .faq-item p a, .service-block p a, .service-cross-links a, .service-lead a { color: var(--accent-text); text-decoration: underline; text-underline-offset: .18em; text-decoration-thickness: 1px; }
.about-body p a:hover, .section-intro a:hover, .form-note a:hover, .footer-fine a:hover, .note p a:hover, .faq-item p a:hover, .service-block p a:hover, .service-cross-links a:hover, .service-lead a:hover { color: var(--accent-text); text-decoration-thickness: 2px; }

/* ---------- Светлая тема: поправки ---------- */
/* лайм плохо читается на светлом, поэтому знак бренда и кнопка получают тёмный контур */
:root[data-theme="light"] .brand-mark { background: var(--ink); color: var(--accent); }
:root[data-theme="light"] .btn-primary { border-color: var(--ink); }
:root[data-theme="light"] .btn-primary:hover { border-color: var(--ink); }

/* ---------- Форма: статус и антиспам-поле ---------- */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.4em; font-family: var(--font-mono); font-size: var(--step--1); line-height: 1.5; color: var(--ink-2); }
.form-status.is-ok { color: var(--success); }
.form-status.is-error { color: var(--danger); }
.form-consent { font-size: .78rem; line-height: 1.5; color: var(--ink-3); }
.form-consent a, .footer-fine a { color: inherit; text-decoration: underline; text-underline-offset: .2em; }
.form-consent a:hover, .footer-fine a:hover { color: var(--ink); }

/* Светлая тема: маркер-выделение вместо линии */
:root[data-theme="light"] .accent-underline { background-size: 100% .34em; background-position: 0 88%; }

/* ---------- Статья блога ---------- */
.article-crumb {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-3);
  transition: color .16s ease;
}
.article-crumb:hover { color: var(--ink); }
.article-hero { padding-block: clamp(2.2rem, 6vw, 4rem) clamp(1.5rem, 4vw, 2.5rem); }
.article-eyebrow { margin-top: 1.4rem; }
.article-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--step-3); line-height: 1.1; letter-spacing: -0.02em;
  margin: .8rem 0 1.3rem;
}
.article-lead { font-size: var(--step-1); color: var(--text-body); line-height: 1.6; }

.article-col { max-width: none; }
.article-intro {
  font-style: italic; color: var(--text-body); font-size: var(--step-1); line-height: 1.6;
  padding-left: 1.1rem; border-left: 2px solid var(--accent); max-width: 100%;
}

/* ---------- Страницы услуг (/uslugi/...) ---------- */
.service-cards {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; margin-top: clamp(1.5rem, 4vw, 2.5rem);
}
.service-card {
  display: flex; flex-direction: column; gap: .6rem;
  background: var(--surface); padding: clamp(1.4rem, 3vw, 2.2rem);
  transition: background-color .2s ease;
}
.service-card:hover { background: var(--surface-hover); }
.service-card-top { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.service-card-num { font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent-text); }
.service-card-price { font-family: var(--font-mono); font-size: .76rem; color: var(--ink-3); white-space: nowrap; }
.service-card h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-1); letter-spacing: -0.02em; }
.service-card p { color: var(--text-body); font-size: var(--step--1); line-height: 1.5; }
.service-card-arrow { margin-top: auto; padding-top: .6rem; font-family: var(--font-mono); font-size: .8rem; color: var(--ink-2); }
.service-card:hover .service-card-arrow { color: var(--accent-text); }
@media (max-width: 720px) { .service-cards { grid-template-columns: 1fr; } }

.price-badge {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-mono); font-size: .85rem; color: var(--ink-2);
  border: 1px solid var(--line-2); border-radius: 100px; padding: .5em 1.1em;
}
.price-badge b { color: var(--ink); font-weight: 600; }

.service-lead { font-size: var(--step-1); color: var(--text-body); line-height: 1.6; }
.service-block { margin-top: clamp(2.5rem, 6vw, 4rem); }
.service-block h2 {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-2);
  letter-spacing: -0.02em; margin-bottom: 1rem;
}
.service-block h3 {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-0);
  letter-spacing: -0.01em; margin: 1.3rem 0 .5rem;
}
.service-block h3:first-child { margin-top: 0; }
.service-block > p { color: var(--text-body); }
.service-block .case-does { margin-top: .6rem; padding-top: 0; border-top: none; }

.service-cross-links { margin-top: 1.1rem; color: var(--text-body); font-size: var(--step--1); }

.note { margin-top: clamp(2rem, 5vw, 3rem); padding-top: clamp(2rem, 5vw, 3rem); border-top: 1px solid var(--line); }
.note-meta {
  display: block; font-family: var(--font-mono); font-size: var(--step--1);
  color: var(--accent-text); letter-spacing: .02em; margin-bottom: .9rem;
}
.note p { font-size: var(--step-0); line-height: 1.75; color: var(--text-body); }
.note p + p { margin-top: 1.15rem; }

/* ---------- Иллюстрации в статье + лайтбокс ---------- */
.article-figure { margin: clamp(1.6rem, 4vw, 2.4rem) 0; }
.article-figure img { width: 100%; height: auto; display: block; border-radius: var(--radius); border: 1px solid var(--line); }
.article-figure figcaption {
  margin-top: .6rem; font-family: var(--font-mono); font-size: var(--step--1);
  color: var(--ink-3); line-height: 1.5;
}
.lightbox-trigger { display: block; width: 100%; padding: 0; border: none; background: none; cursor: zoom-in; }
.lightbox-trigger img { transition: opacity .2s ease; }
.lightbox-trigger:hover img { opacity: .88; }

.lightbox {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: center;
  background: rgba(8, 9, 8, .92); padding: clamp(1.2rem, 5vw, 3rem); cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox-img { max-width: min(1200px, 92vw); max-height: 88vh; border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); }
.lightbox-close {
  position: absolute; top: clamp(.8rem, 3vw, 1.4rem); right: clamp(.8rem, 3vw, 1.4rem);
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink); font-size: 1.6rem; line-height: 1;
  display: grid; place-items: center; cursor: pointer; transition: background-color .16s ease;
}
.lightbox-close:hover { background: var(--surface-hover); }

.article-cta {
  margin-top: clamp(2.6rem, 6vw, 4rem);
  margin-bottom: clamp(2.6rem, 6vw, 4rem);
  background: var(--tint); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.8rem, 4vw, 2.6rem);
}
.article-cta h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--step-2); letter-spacing: -0.02em; margin-bottom: .6rem; }
.article-cta p { color: var(--text-body); }
.article-cta .btn { margin-top: 1.3rem; }
.article-cta.contact-grid { grid-template-columns: 1.2fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: center; }

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

/* Компактная форма - для CTA в статьях, без подписей-лейблов над полями */
.contact-form-compact { padding: clamp(1.1rem, 3vw, 1.5rem); gap: .7rem; }
.contact-form-compact .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.contact-form-compact input, .contact-form-compact textarea { padding: .65em .85em; font-size: var(--step--1); }
.contact-form-compact textarea { resize: none; }
.contact-form-compact .btn { margin-top: 0; padding: .8em 1.4em; font-size: var(--step--1); justify-self: start; }

/* ---------- Хаб блога (blog/index.html) ---------- */
.blog-author { display: flex; align-items: center; flex-wrap: wrap; gap: clamp(1.1rem, 3vw, 1.6rem); }
.blog-author img { width: 96px; height: 96px; flex-shrink: 0; border-radius: 50%; object-fit: cover; object-position: 50% 15%; }
.blog-author > div { flex: 1; min-width: 260px; }

.posts-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.posts-all-link { display: inline-block; margin-top: 1.5rem; }

/* ---------- Блог: обложки карточек, точки-разделители, кламп ---------- */
.post-cover {
  display: block; position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  border-radius: var(--radius); background: radial-gradient(circle at 28% 22%, var(--surface-hover), var(--bg-2) 72%);
}
.post-cover::before {
  content: attr(data-num);
  position: absolute; right: .3rem; bottom: -0.32em;
  font-family: var(--font-display); font-weight: 800; font-size: 5.2rem; line-height: 1;
  letter-spacing: -0.04em; color: var(--line-2); opacity: .55;
  transition: transform .6s cubic-bezier(.2,.7,.2,1), color .3s ease, opacity .3s ease;
}
.post:hover .post-cover::before { transform: translateY(-6px) scale(1.05); color: var(--accent-text); opacity: .4; }
.post-cover .case-tag { position: absolute; left: .7rem; bottom: .7rem; }
.post-cover img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}
.post:hover .post-cover img { transform: scale(1.04); }

.post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; }
.post-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .6; flex-shrink: 0; }

.post h3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-desc { color: var(--text-body); font-size: var(--step-0); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Декоративные пятна за вступлением блога - тот же приём, что у .hero::after */
#blog-intro, #tools-intro { position: relative; isolation: isolate; overflow: hidden; }
#blog-intro::before, #blog-intro::after, #tools-intro::before, #tools-intro::after {
  content: ""; position: absolute; z-index: -1; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle at 30% 30%, var(--paper-tint), transparent 70%);
}
#blog-intro::before, #tools-intro::before { width: min(48vw, 520px); aspect-ratio: 1; right: -10%; top: -18%; transform: rotate(-20deg); }
#blog-intro::after, #tools-intro::after { width: min(26vw, 300px); aspect-ratio: 1; left: 58%; bottom: -30%; transform: rotate(12deg); }

/* ---------- Tools: карточки-инструменты, «скоро», CTA ---------- */
#tools-intro { padding-bottom: clamp(1rem, 3vw, 2rem); }
#tools-list { padding-top: clamp(1rem, 3vw, 2rem); }
.tools-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; background: none; border-block: 0; }
.tool { border: 1px solid var(--line); border-radius: var(--radius); }
.tools-grid .post-cover::before { font-size: 4.6rem; }
.tool .card-tags { margin-top: .1rem; }
.tool-soon { background: var(--bg-2); }
.tool-soon:hover { background: var(--bg-2); }
.tool-soon .post-cover { background: transparent; border: 1px dashed var(--line-2); }
.tool-soon:hover .post-cover::before { transform: none; color: var(--line-2); opacity: .55; }

.tools-cta-section { padding-top: 0; }
.tools-cta {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.8rem);
}
.tools-cta::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--accent); }
.tools-cta-text { flex: 1 1 340px; }
.tools-cta-title { font-family: var(--font-display); font-weight: 700; font-size: var(--step-2); letter-spacing: -0.02em; margin-bottom: .6rem; }
.tools-cta-text p { color: var(--text-body); max-width: 60ch; }
.tools-cta-actions { display: flex; gap: .7rem; flex-wrap: wrap; }

@media (max-width: 900px) {
  .posts-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ-аккордеон в статьях ---------- */
.faq { margin-top: 1.4rem; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 1.1rem; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-0);
  letter-spacing: -0.01em; color: var(--ink);
  transition: color .16s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; flex-shrink: 0; font-family: var(--font-mono); font-weight: 400;
  font-size: 1.2rem; line-height: 1; color: var(--accent-text);
  transition: transform .25s cubic-bezier(.2,.7,.2,1);
}
.faq-item[open] summary::after { transform: rotate(135deg); }
.faq-item summary:hover { color: var(--accent-text); }
.faq-item p { color: var(--text-body); font-size: var(--step-0); line-height: 1.7; padding-bottom: 1.2rem; }

@media (max-width: 480px) {
  .contact-form-compact .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .article-cta.contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Эксперимент: WebGL mesh-фон (пока только на главной) ---------- */
#mesh-bg { position: fixed; inset: 0; z-index: -2; width: 100%; height: 100%; display: block; filter: brightness(.78) contrast(1) saturate(1.05); }
#mesh-bg-center {
  position: fixed; inset: 0; z-index: -1;
  width: 100%; max-width: var(--wrap); margin-inline: auto;
  height: 100%; display: block;
}
body.mesh-page { background: transparent; }

/* В светлой теме тёмный mesh-фон не подходит - отключаем и возвращаем обычный светлый фон */
:root[data-theme="light"] #mesh-bg,
:root[data-theme="light"] #mesh-bg-center { display: none; }
:root[data-theme="light"] body.mesh-page { background: var(--bg); }

/* ---------- Выпадающее меню «Услуги» ---------- */
.nav-item { position: relative; }
.nav-trigger { display: flex; align-items: center; gap: .1rem; }
.nav-caret { display: inline-block; font-size: .85em; transition: transform .18s ease; }
.nav-caret-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.7em; height: 1.7em; flex-shrink: 0; color: var(--ink-3);
  transition: color .16s ease;
}
.nav-caret-btn:hover { color: var(--ink); }

.nav-dropdown {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  display: flex; gap: clamp(1.6rem, 3vw, 2.6rem);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  box-shadow: 0 24px 48px -16px rgba(0,0,0,.35);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  z-index: 60;
}
.nav-dropdown-col { display: flex; flex-direction: column; gap: .55rem; min-width: 190px; }
.nav-dropdown-head {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding-bottom: .5rem; margin-bottom: .2rem; border-bottom: 1px solid var(--line);
}
.nav-dropdown-title {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step--1);
  color: var(--ink) !important; letter-spacing: -0.01em;
}
.nav-dropdown a { font-size: .82rem; color: var(--ink-3); white-space: nowrap; }
.nav-dropdown a:hover { color: var(--accent-text) !important; }
.nav-dropdown a::after { content: none !important; }

/* Услуги внутри каждой категории свёрнуты по умолчанию везде (десктоп и мобильный) -
   разворачиваются только по клику на стрелку рядом с названием категории, см. main.js */
.nav-dropdown-col > a:not(.nav-dropdown-title) { display: none; }
.nav-dropdown-col.is-expanded > a:not(.nav-dropdown-title) { display: block; }
.nav-dropdown-col.is-expanded .nav-caret { transform: rotateX(180deg); }

/* Верхний уровень «Услуги»: на десктопе панель показывается по наведению/фокусу */
@media (min-width: 721px) {
  .has-dropdown:hover .nav-dropdown,
  .has-dropdown:focus-within .nav-dropdown {
    opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
  }
  .has-dropdown:hover .nav-trigger .nav-caret,
  .has-dropdown:focus-within .nav-trigger .nav-caret { transform: rotateX(180deg); }
}

@media (max-width: 900px) {
  .nav-dropdown-col { min-width: 170px; }
}

@media (max-width: 720px) {
  .nav-item { position: static; }
  .nav-dropdown {
    position: static; transform: none; pointer-events: auto;
    flex-direction: column; gap: 1.2rem;
    background: none; border: none; box-shadow: none; padding: 0 0 .5rem 1rem;
    /* На мобильном верхний уровень тоже свёрнут по умолчанию - раскрывается по тапу, см. main.js */
    display: none; opacity: 1; visibility: visible; max-height: none;
  }
  .nav-item.is-expanded .nav-dropdown { display: flex; }
  .nav-dropdown-col { gap: .4rem; min-width: 0; }
  .nav-dropdown-head { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
  .nav-dropdown a { padding-block: .3rem; border-bottom: none !important; white-space: normal; }
}

/* Стрелка верхнего уровня «Услуги» разворачивается вместе с .is-expanded (мобильное меню) */
.nav-item.is-expanded > .nav-trigger .nav-caret { transform: rotateX(180deg); }