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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--c-text);
  background-color: var(--c-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
p, li { text-wrap: pretty; }
ul[role='list'] { list-style: none; }

::selection { background: var(--c-accent); color: #000; }

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}


/* ═══ LAYOUT ═══ */
.container {
  width: 100%; max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(var(--sp-4), 4vw, var(--sp-16));
}
.container--narrow { max-width: var(--max-w-narrow); }
.section { padding-block: clamp(var(--sp-16), 8vw, var(--sp-32)); }

/* ═══ TYPOGRAPHY ═══ */
.label {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.label::before { content: '//'; opacity: 0.5; }

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--c-text);
  margin-block: var(--sp-3) var(--sp-4);
}
.section-sub {
  font-size: var(--text-base);
  color: var(--c-text-muted);
  max-width: 58ch;
  line-height: 1.75;
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--t-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.06);
  transform: translateX(-100%);
  transition: transform 0.35s var(--ease);
}
.btn:hover::before { transform: translateX(0); }

.btn-accent,
.btn--accent {
  background: var(--c-accent);
  color: #0A0A0F;
  font-weight: 700;
  border: 1.5px solid var(--c-accent);
  box-shadow: 0 6px 28px var(--c-accent-glow), inset 0 1px 0 rgba(255,255,255,0.35);
}
.btn-accent:hover,
.btn--accent:hover {
  background: #D6FF1A;
  border-color: #D6FF1A;
  box-shadow: 0 12px 44px var(--c-accent-glow), 0 0 0 1px var(--c-accent), inset 0 1px 0 rgba(255,255,255,0.45);
  transform: translateY(-2px);
}
.btn-accent:active,
.btn--accent:active {
  transform: translateY(0);
}

.btn-outline,
.btn--outline {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border-2);
}
.btn-outline:hover,
.btn--outline:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(200,255,0,0.04);
}

.btn-ghost,
.btn--ghost {
  background: var(--c-surface-2);
  color: var(--c-text-muted);
  border: 1px solid var(--c-border);
}
.btn-ghost:hover,
.btn--ghost:hover {
  color: var(--c-text);
  border-color: var(--c-border-2);
}

.btn-lg,
.btn--lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--text-base);
  border-radius: var(--r-lg);
}
.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
}
.btn--full {
  width: 100%;
  justify-content: center;
}

/* ARROW ICON */
.btn .arrow { transition: transform var(--t-fast); }
.btn:hover .arrow { transform: translate(3px, -3px); }

/* ═══ BADGE ═══ */
.badge {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-accent { background: var(--c-accent-dim); color: var(--c-accent); border: 1px solid rgba(200,255,0,0.3); }
.badge-blue   { background: rgba(79,127,255,0.12); color: #7BA7FF; border: 1px solid rgba(79,127,255,0.25); }
.badge-purple { background: rgba(155,93,229,0.12); color: #B47BFF; border: 1px solid rgba(155,93,229,0.25); }
.badge-success{ background: rgba(0,229,160,0.1); color: #00E5A0; border: 1px solid rgba(0,229,160,0.25); }

/* ═══ CARD ═══ */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: border-color var(--t-base), transform var(--t-slow), box-shadow var(--t-slow);
}
.card:hover {
  border-color: rgba(200,255,0,0.25);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(200,255,0,0.1);
}

/* ═══ FORMS ═══ */
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* .form-control and .form-input share the same look —
   templates use both names for historical reasons. */
.form-control,
.form-input {
  appearance: none;
  -webkit-appearance: none;
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  color: var(--c-text);
  font-family: inherit;
  font-size: var(--text-base);
  line-height: 1.4;
  width: 100%;
  transition: border-color var(--t-base), box-shadow var(--t-base), background var(--t-base);
}
.form-control:hover,
.form-input:hover {
  border-color: var(--c-border-2);
}
.form-control:focus,
.form-input:focus {
  outline: none;
  border-color: var(--c-accent);
  background: var(--c-surface);
  box-shadow: 0 0 0 3px var(--c-accent-dim);
}
.form-control::placeholder,
.form-input::placeholder {
  color: var(--c-text-faint);
}
textarea.form-control,
textarea.form-input,
.form-textarea {
  resize: vertical;
  min-height: 110px;
}
/* Native select arrow + dark dropdown */
select.form-control,
select.form-input,
.form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  /* color-scheme заставляет ОС/браузер использовать тёмный popup для <option> */
  color-scheme: dark;
  background-color: var(--c-surface-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23C8FF00' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
  color: var(--c-text);
}
select.form-control option,
select.form-input option,
.form-select option {
  background-color: #14141E;
  color: #F0F0FF;
  padding: 8px 12px;
}
select.form-control option:checked,
select.form-input option:checked,
.form-select option:checked {
  background-color: #1E1E2C;
  color: var(--c-accent);
}
select.form-control option:disabled,
select.form-input option:disabled,
.form-select option:disabled {
  color: #6E6E8C;
}

/* ═══ DIVIDER ═══ */
.divider { border: none; border-top: 1px solid var(--c-border); }

/* ═══ GRID ═══ */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-6); }
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
}

/* ═══ REVEAL ANIMATIONS ═══ */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].revealed {
  opacity: 1;
  transform: none;
}
[data-reveal="left"]  { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="scale"] { transform: scale(0.9); }
[data-reveal="left"].revealed,
[data-reveal="right"].revealed,
[data-reveal="scale"].revealed { transform: none; }

/* ═══ NOISE TEXTURE OVERLAY ═══ */
.noise::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: overlay;
}

/* ═══ MODAL ═══ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  z-index: 500;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-base);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -46%) scale(0.95);
  width: min(580px, calc(100vw - 2rem));
  background: var(--c-surface);
  border: 1px solid var(--c-border-2);
  border-radius: var(--r-xl);
  padding: var(--sp-10);
  z-index: 600;
  opacity: 0; pointer-events: none;
  transition: transform var(--t-base), opacity var(--t-base);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(200,255,0,0.06);
}
.modal.active {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1; pointer-events: all;
}
.modal__close {
  position: absolute; top: var(--sp-4); right: var(--sp-4);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-md);
  color: var(--c-text-muted);
  font-size: 20px;
  transition: all var(--t-fast);
}
.modal__close:hover { background: var(--c-surface-3); color: var(--c-text); }
.modal__title { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--sp-2); }
.modal__sub { font-size: var(--text-sm); color: var(--c-text-muted); margin-bottom: var(--sp-6); }
.modal__form { display: flex; flex-direction: column; gap: var(--sp-4); }
.modal__policy { font-size: var(--text-xs); color: var(--c-text-faint); text-align: center; }
.modal__policy a { color: var(--c-text-muted); border-bottom: 1px solid currentColor; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ═══ SKIP LINK (A11Y) ═══ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  padding: var(--sp-3) var(--sp-6);
  background: var(--c-accent);
  color: #000;
  font-weight: 700;
  border-radius: var(--r-md);
  z-index: var(--z-cursor);
  transition: top var(--t-fast);
}
.skip-link:focus {
  top: var(--sp-4);
}

/* ═══ BREADCRUMBS ═══ */
.breadcrumbs {
  padding-block: var(--sp-4);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
}
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-xs);
  color: var(--c-text-muted);
}
.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.breadcrumbs__item + .breadcrumbs__item::before {
  content: '/';
  color: var(--c-text-faint);
}
.breadcrumbs__link {
  color: var(--c-text-muted);
  transition: color var(--t-fast);
}
.breadcrumbs__link:hover {
  color: var(--c-accent);
}
.breadcrumbs__current {
  color: var(--c-text);
  font-weight: 500;
}

/* ═══ READING PROGRESS BAR ═══ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c-border);
  z-index: var(--z-progress);
}
.reading-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-dark));
  border-radius: 0 var(--r-full) var(--r-full) 0;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--c-accent-glow);
}

/* ═══ POST CARD PLACEHOLDER ═══ */
.post-card__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1D2235, #2E3450);
  color: var(--c-text-faint);
  aspect-ratio: 16 / 9;
}
.post-card__cover--placeholder svg {
  opacity: 0.3;
}

/* ═══ POST CARD READ TIME ═══ */
.post-card__read-time {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  color: var(--c-text-muted);
}
.post-card__read-time svg {
  opacity: 0.6;
}

/* ═══ POST HERO READ TIME ═══ */
.post-hero__read {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-sm);
  color: var(--c-text-muted);
}
.post-hero__read svg {
  opacity: 0.6;
}

/* ═══ IMPROVED PAGINATION ═══ */
.pagination__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.pagination__list .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-text-muted);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  transition: all var(--t-base);
}
.pagination__list .page-numbers:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
}
.pagination__list .page-numbers.current {
  background: var(--c-accent);
  color: #000;
  border-color: var(--c-accent);
  font-weight: 700;
}
.pagination__list .page-numbers.prev,
.pagination__list .page-numbers.next {
  gap: var(--sp-1);
  font-weight: 600;
}
.pagination__list .page-numbers.prev svg,
.pagination__list .page-numbers.next svg {
  transition: transform var(--t-fast);
}
.pagination__list .page-numbers.prev:hover svg {
  transform: translateX(-3px);
}
.pagination__list .page-numbers.next:hover svg {
  transform: translateX(3px);
}
.pagination__list .page-numbers.dots {
  border: none;
  background: transparent;
  color: var(--c-text-faint);
  pointer-events: none;
}

/* ═══ TOC ICON ═══ */
.post-toc__title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.post-toc__title svg {
  opacity: 0.6;
}

/* ═══ POST SHARE BUTTONS ═══ */
.post-share__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-text-muted);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  transition: all var(--t-base);
}
.post-share__btn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
}
.post-share__btn svg {
  opacity: 0.7;
}

/* ═══ MICRO-INTERACTIONS: CARD SHINE ═══ */
.card {
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(200,255,0,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover::after {
  opacity: 1;
}

/* ═══ SKELETON LOADER ═══ */
@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.skeleton {
  background: linear-gradient(90deg, var(--c-surface-2) 25%, var(--c-surface-3) 50%, var(--c-surface-2) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--r-md);
}

/* ═══ IMPROVED FOCUS VISIBLE ═══ */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
  box-shadow: 0 0 0 6px var(--c-accent-dim);
}

/* ═══ MOBILE RESPONSIVE ADDITIONS ═══ */
@media (max-width: 768px) {
  .breadcrumbs__list {
    font-size: var(--text-xs);
  }
  .pagination__list .page-numbers {
    min-width: 36px;
    height: 36px;
    padding: 0 var(--sp-2);
  }
}

/* ═══ TABLE OF CONTENTS ═══ */
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.toc-item a {
  display: block;
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--text-xs);
  color: var(--c-text-muted);
  border-left: 2px solid var(--c-border);
  transition: all var(--t-fast);
}
.toc-item a:hover {
  color: var(--c-accent);
  border-left-color: var(--c-accent);
  background: var(--c-accent-dim);
}
.toc-item--sub a {
  padding-left: var(--sp-5);
  font-size: var(--text-xs);
  opacity: 0.8;
}
.toc-item--sub a:hover {
  opacity: 1;
}

/* ═══ FORM VALIDATION STYLES ═══ */
.form-required {
  color: var(--c-error);
  margin-left: 2px;
}
.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--c-error);
  margin-top: var(--sp-1);
}
.form-error:not([hidden]) {
  animation: shake 0.3s ease;
}
.form-input.error,
.form-control.error {
  border-color: var(--c-error);
  box-shadow: 0 0 0 3px rgba(255, 68, 102, 0.12);
}
.form-input.valid,
.form-control.valid {
  border-color: var(--c-success);
}

/* Honeypot — hide from humans */
.form-hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* ═══ NEWSLETTER WIDGET ═══ */
.newsletter-widget__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.newsletter-widget__desc {
  font-size: var(--text-sm);
  color: var(--c-text-muted);
  margin-bottom: var(--sp-4);
  line-height: 1.6;
}
.newsletter-form .form-success {
  text-align: center;
  margin-top: var(--sp-2);
}
.newsletter-form .form-success p {
  font-size: var(--text-sm);
  color: var(--c-success);
  font-weight: 600;
}

/* ═══ POPULAR POSTS WIDGET ═══ */
.popular-posts-widget__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--sp-4);
}
.popular-posts-widget__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  counter-reset: popular-counter;
}
.popular-posts-widget__item {
  counter-increment: popular-counter;
}
.popular-posts-widget__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  transition: background var(--t-fast);
  text-decoration: none;
  color: inherit;
}
.popular-posts-widget__link:hover {
  background: var(--c-surface-2);
}
.popular-posts-widget__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-accent);
  min-width: 24px;
  text-align: center;
}
.popular-posts-widget__text {
  font-size: var(--text-sm);
  color: var(--c-text);
  line-height: 1.4;
}