/* 3D Design — production styles */

:root {
  --palette-charcoal: #11110F;
  --palette-ivory: #F4F1EA;
  --palette-beige: #D8CFC1;
  --palette-brown: #3B3028;
  --palette-green: #1E3028;
  --palette-green-hover: #2a4a3c;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --header-h: 68px;
  --z-content: 1;
  --z-cursor-glow: 70;
  --z-fab: 90;
  --z-header: 100;
  --z-mobile-menu: 140;
  --z-modal: 180;
  --z-lightbox: 200;

  --cursor-glow-primary: rgba(151, 176, 158, 0.14);
  --cursor-glow-secondary: rgba(213, 190, 160, 0.08);
  --cursor-glow-opacity: 1;
  --gap: 1.5rem;
  --section-pad: clamp(3rem, 6vw, 5rem);
  --transition: 0.25s ease;
  --radius: 2px;

  --surface-page: #F4F1EA;
  --surface-section: #EBE6DC;
  --surface-card: #F4F1EA;
  --surface-elevated: #FFFFFF;
  --surface-overlay: rgba(17, 17, 15, 0.96);
  --surface-inverse: #11110F;
  --surface-slider: #E8E2D8;
  --surface-tech: #ECE8E0;
  --surface-header: rgba(17, 17, 15, 0.96);
  --surface-header-scrim: rgba(17, 17, 15, 0.55);

  --text-primary: #3B3028;
  --text-strong: #11110F;
  --text-secondary: rgba(59, 48, 40, 0.75);
  --text-muted: rgba(59, 48, 40, 0.62);
  --text-on-image: #F4F1EA;
  --text-on-image-muted: #D8CFC1;
  --text-on-inverse: #F4F1EA;
  --text-on-inverse-muted: #D8CFC1;

  --border-default: rgba(59, 48, 40, 0.12);
  --border-strong: rgba(59, 48, 40, 0.2);
  --accent-primary: #1E3028;
  --accent-primary-hover: #2a4a3c;
  --button-primary-bg: #1E3028;
  --button-primary-text: #F4F1EA;
  --button-secondary-bg: transparent;
  --button-secondary-text: #11110F;
  --input-bg: #FFFFFF;
  --input-text: #3B3028;
  --input-placeholder: rgba(59, 48, 40, 0.45);
  --focus-ring: #1E3028;
  --shadow-soft: 0 8px 24px rgba(17, 17, 15, 0.08);

  --control-bg: rgba(244, 241, 234, 0.1);
  --control-text: #F4F1EA;
  --control-active-bg: rgba(244, 241, 234, 0.16);

  --header-scrolled-bg: rgba(17, 17, 15, 0.96);
  --header-scrolled-text: #F4F1EA;
  --header-scrolled-muted: #D8CFC1;
  --header-control-bg: rgba(244, 241, 234, 0.1);
  --header-control-border: rgba(244, 241, 234, 0.14);
  --header-control-active-bg: rgba(244, 241, 234, 0.18);
  --header-control-active-text: #F4F1EA;
}

[data-theme="dark"] {
  --surface-page: #141412;
  --surface-section: #1A1917;
  --surface-card: #1C1B18;
  --surface-elevated: #22211E;
  --surface-overlay: rgba(8, 8, 7, 0.97);
  --surface-inverse: #0C0C0B;
  --surface-slider: #22211E;
  --surface-tech: #1A1917;
  --surface-header: rgba(12, 12, 11, 0.97);
  --surface-header-scrim: rgba(12, 12, 11, 0.62);

  --text-primary: #C8C0B4;
  --text-strong: #F0EBE2;
  --text-secondary: rgba(200, 192, 180, 0.78);
  --text-muted: rgba(200, 192, 180, 0.58);
  --text-on-image: #F0EBE2;
  --text-on-image-muted: #B8AEA0;
  --text-on-inverse: #F0EBE2;
  --text-on-inverse-muted: #B8AEA0;

  --border-default: rgba(240, 235, 226, 0.1);
  --border-strong: rgba(240, 235, 226, 0.16);
  --accent-primary: #3D5A48;
  --accent-primary-hover: #4A6B55;
  --button-primary-bg: #3D5A48;
  --button-primary-text: #F0EBE2;
  --button-secondary-text: #F0EBE2;
  --input-bg: #1E1D1A;
  --input-text: #F0EBE2;
  --input-placeholder: rgba(200, 192, 180, 0.45);
  --focus-ring: #6B8F78;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);

  --control-bg: rgba(240, 235, 226, 0.08);
  --control-text: #F0EBE2;
  --control-active-bg: rgba(240, 235, 226, 0.14);

  --header-scrolled-bg: rgba(12, 12, 11, 0.97);
  --header-scrolled-text: #F0EBE2;
  --header-scrolled-muted: #B8AEA0;
  --header-control-bg: rgba(240, 235, 226, 0.08);
  --header-control-border: rgba(240, 235, 226, 0.12);
  --header-control-active-bg: rgba(240, 235, 226, 0.16);
  --header-control-active-text: #F0EBE2;

  --cursor-glow-primary: rgba(116, 151, 126, 0.13);
  --cursor-glow-secondary: rgba(196, 166, 124, 0.06);
  --cursor-glow-opacity: 1;
}

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

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

section[id] {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface-page);
  overflow-x: clip;
}

body.menu-open,
body.lightbox-open,
body.project-modal-open { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.12;
  color: var(--text-strong);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.5rem);
}

.section { padding: var(--section-pad) 0; }
.section--ivory { background: var(--surface-section); }
.section--dark {
  background: var(--surface-inverse);
  color: var(--text-on-inverse-muted);
}
.section--dark h2,
.section--dark .section__title { color: var(--text-on-inverse); }
.section--dark .section__subtitle { color: var(--text-on-inverse-muted); }

.section__header { margin-bottom: clamp(1.5rem, 4vw, 2.5rem); max-width: 560px; }
.section__header--center { text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }
.section__title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 0 0 0.5rem; }
.section__subtitle { margin: 0; color: var(--text-secondary); font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  min-height: 48px;
}

.btn--primary {
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
  border-color: var(--button-primary-bg);
}
.btn--primary:hover { background: var(--accent-primary-hover); border-color: var(--accent-primary-hover); }

.btn--outline {
  background: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  border-color: var(--border-strong);
}
.btn--outline:hover {
  background: var(--text-strong);
  color: var(--surface-page);
  border-color: var(--text-strong);
}

.btn--outline-light {
  background: transparent;
  color: var(--text-on-image);
  border-color: rgba(244, 241, 234, 0.55);
}
.btn--outline-light:hover {
  background: rgba(244, 241, 234, 0.12);
  border-color: var(--text-on-image);
}

/* Lang & theme controls */
.header-controls { display: flex; align-items: center; gap: 0.35rem; }
.header-controls--footer { margin-top: 0.75rem; }

.header__controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex: 0 0 auto;
}

.lang-switcher {
  display: flex;
  gap: 1px;
  background: var(--control-bg);
  border-radius: var(--radius);
  padding: 2px;
}
.lang-switcher__btn {
  padding: 0.35rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.55;
  min-width: 40px;
  min-height: 40px;
  color: var(--control-text);
  border-radius: var(--radius);
  transition: opacity var(--transition), background var(--transition);
}
.lang-switcher__btn.is-active { opacity: 1; background: var(--control-active-bg); }

.theme-toggle {
  display: flex;
  background: var(--control-bg);
  border-radius: var(--radius);
  padding: 2px;
}
.theme-toggle__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--control-text);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.theme-toggle__icon { display: block; }
.theme-toggle__icon[hidden] { display: none; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--surface-header-scrim) 0%, transparent 100%);
  pointer-events: none;
  opacity: 1;
  transition: opacity var(--transition);
}

.header.is-scrolled::before { opacity: 0; }

.header.is-scrolled {
  background: var(--header-scrolled-bg);
  box-shadow: 0 1px 0 rgba(244, 241, 234, 0.08);
}

.header__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  height: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(0.75rem, 2vw, 1.5rem);
  gap: 0.5rem;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--text-on-image);
  flex: 0 0 auto;
  transition: color var(--transition);
}
.header:not(.is-scrolled) .header__logo { color: var(--text-on-image); }
.header.is-scrolled .header__logo { color: var(--header-scrolled-text); }

.header__nav { display: flex; align-items: center; justify-content: center; min-width: 0; }
.header__actions { display: flex; align-items: center; flex-shrink: 0; }
.header__cta { padding: 0.45rem 0.85rem; font-size: 0.75rem; min-height: 40px; white-space: nowrap; }

.nav-menu { display: flex; align-items: center; gap: clamp(0.65rem, 1.5vw, 1.25rem); }
.nav-link {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-on-image);
  transition: opacity var(--transition), color var(--transition);
  white-space: nowrap;
}
.header:not(.is-scrolled) .nav-link { color: var(--text-on-image); }
.header.is-scrolled .nav-link { color: var(--header-scrolled-text); }
.nav-link:hover { opacity: 0.7; }
.header.is-scrolled .nav-link:hover { opacity: 0.82; }
.nav-link--mobile-action { display: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}
.menu-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-on-image);
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}
.header:not(.is-scrolled) .menu-toggle__bar { background: var(--text-on-image); }
.header.is-scrolled .menu-toggle__bar { background: var(--header-scrolled-text); }

.header:not(.is-scrolled) .lang-switcher__btn,
.header:not(.is-scrolled) .theme-toggle__btn {
  color: var(--control-text);
}
.header:not(.is-scrolled) .lang-switcher,
.header:not(.is-scrolled) .theme-toggle {
  background: var(--control-bg);
}

.header.is-scrolled .lang-switcher__btn,
.header.is-scrolled .theme-toggle__btn {
  color: var(--header-scrolled-text);
  opacity: 0.72;
}
.header.is-scrolled .lang-switcher__btn.is-active,
.header.is-scrolled .theme-toggle__btn:focus-visible {
  opacity: 1;
}
.header.is-scrolled .lang-switcher__btn.is-active {
  background: var(--header-control-active-bg);
  color: var(--header-control-active-text);
}
.header.is-scrolled .lang-switcher,
.header.is-scrolled .theme-toggle {
  background: var(--header-control-bg);
  border: 1px solid var(--header-control-border);
}
.header.is-scrolled .header__cta {
  border-color: rgba(244, 241, 234, 0.35);
  color: var(--button-primary-text);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--palette-charcoal);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 17, 15, 0.78) 0%, rgba(17, 17, 15, 0.48) 42%, rgba(17, 17, 15, 0.08) 68%, transparent 100%),
    linear-gradient(180deg, rgba(17, 17, 15, 0.42) 0%, transparent 28%, rgba(17, 17, 15, 0.55) 100%);
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: flex-end;
  min-height: inherit;
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.hero__content {
  max-width: 680px;
  padding: 0;
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-image-muted);
  margin: 0 0 1rem;
}

.hero__title {
  color: var(--text-on-image);
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 400;
  margin: 0 0 1rem;
  max-width: 18ch;
  text-shadow: 0 1px 24px rgba(17, 17, 15, 0.35);
}

.hero__subtitle {
  color: var(--text-on-image-muted);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  margin: 0 0 1.75rem;
  max-width: 38ch;
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Portfolio filters & projects */
.portfolio-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
}
.portfolio-filters::-webkit-scrollbar { display: none; }

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  border-radius: var(--radius);
  cursor: pointer;
  min-height: 44px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition);
}
.filter-btn.is-active,
.filter-btn:hover {
  background: var(--text-strong);
  border-color: var(--text-strong);
  color: var(--surface-page);
}
.filter-btn[hidden] { display: none; }

.portfolio-projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.portfolio-footer {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.portfolio-view-all { min-height: 44px; }

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  overflow: hidden;
}

.project-card__cover {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: var(--surface-slider);
  cursor: pointer;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card__img--portrait { object-fit: cover; object-position: 50% 38%; }
.project-card__cover:hover .project-card__img { transform: scale(1.02); }

.project-card__body { padding: 1rem 1rem 1.15rem; display: flex; flex-direction: column; gap: 0.35rem; flex: 1; }

.project-card__badge {
  align-self: flex-start;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  border: 1px solid var(--border-default);
  padding: 0.2rem 0.45rem;
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  margin: 0;
  color: var(--text-strong);
  line-height: 1.15;
}

button.project-card__title {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

button.project-card__title:hover {
  color: var(--accent-primary);
}

.project-card__meta { margin: 0; font-size: 0.76rem; color: var(--text-muted); }
.project-card__desc { margin: 0; font-size: 0.82rem; color: var(--text-secondary); line-height: 1.45; }

.project-card__cta {
  align-self: flex-start;
  margin-top: auto;
  padding: 0.55rem 0;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-primary);
  cursor: pointer;
  min-height: 44px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Project modal */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0;
}
.project-modal[hidden] { display: none; }

.project-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--surface-overlay);
}

.project-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 1100px);
  max-height: 100vh;
  max-height: 100dvh;
  margin: 0 auto;
  background: var(--surface-page);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 1.5rem);
  border-bottom: 1px solid var(--border-default);
}

.project-modal__title {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0 0 0.25rem;
  color: var(--text-strong);
}

.project-modal__meta { margin: 0; font-size: 0.8rem; color: var(--text-muted); }

.project-modal__close {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius);
}

.project-modal__gallery-wrap {
  overflow-y: auto;
  padding: clamp(1rem, 3vw, 1.5rem);
  -webkit-overflow-scrolling: touch;
}

.project-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.project-gallery--portrait {
  grid-template-columns: repeat(2, 1fr);
}

.project-gallery--mixed {
  grid-template-columns: repeat(2, 1fr);
}

.project-gallery--mixed .project-gallery__item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 10;
}

.project-gallery__item {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: var(--surface-slider);
  cursor: zoom-in;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.project-gallery__item--portrait { aspect-ratio: 3 / 4; }

.project-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-gallery__item--portrait img { object-fit: contain; background: var(--surface-slider); }

/* Technical documentation showcase */
.technical-projects { display: flex; flex-direction: column; gap: clamp(2.5rem, 5vw, 3.5rem); }

.tech-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.tech-showcase__label {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.tech-showcase__title {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  margin: 0 0 0.75rem;
  color: var(--text-strong);
}

.tech-showcase__desc {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: 38ch;
}

.tech-showcase__includes {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-size: 0.84rem;
  color: var(--text-primary);
}

.tech-showcase__includes li {
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--border-default);
}

.tech-showcase__price {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  margin: 0 0 1rem;
  color: var(--text-strong);
}

.tech-showcase__price span {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tech-showcase__cta { min-height: 44px; }

.tech-showcase__viewer { display: flex; flex-direction: column; gap: 0.65rem; }

.tech-showcase__frame {
  position: relative;
  background: var(--surface-tech);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-soft);
  padding: clamp(0.5rem, 1.5vw, 0.85rem);
}

.tech-slider {
  position: relative;
  background: var(--surface-elevated);
  overflow: hidden;
}

.tech-slider__track {
  position: relative;
  aspect-ratio: 1.414 / 1;
  min-height: 320px;
}

.tech-slider__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.tech-slider__slide.is-active { opacity: 1; pointer-events: auto; }

.tech-slider__open {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0.5rem;
  border: none;
  background: var(--surface-elevated);
  cursor: zoom-in;
}

.tech-slider__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tech-showcase__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.tech-slider__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--surface-card) 88%, transparent);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  transition: background var(--transition), border-color var(--transition);
}

.tech-slider__nav:hover {
  background: var(--surface-card);
  border-color: var(--border-strong);
}

.tech-slider__nav--prev { left: clamp(0.35rem, 1.5vw, 0.65rem); }
.tech-slider__nav--next { right: clamp(0.35rem, 1.5vw, 0.65rem); }

.tech-slider__zoom {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius);
}

.tech-slider__counter {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 4.5rem;
  text-align: center;
}

/* Cursor glow — desktop fine pointer only; single global overlay above content */
.cursor-glow {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: var(--z-cursor-glow);
  opacity: 0;
}

.cursor-glow::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: var(--cursor-glow-opacity);
  background:
    radial-gradient(
      circle 280px at var(--cursor-x, 50%) var(--cursor-y, 50%),
      var(--cursor-glow-primary),
      transparent 68%
    ),
    radial-gradient(
      circle 480px at var(--cursor-x, 50%) var(--cursor-y, 50%),
      var(--cursor-glow-secondary),
      transparent 72%
    );
}

@media (hover: hover) and (pointer: fine) {
  .cursor-glow { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor-glow { display: none; }
}

main,
footer,
.developer-credit {
  position: relative;
  z-index: var(--z-content);
}

/* Services */
.services-primary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 2rem;
}
.services-primary--three {
  grid-template-columns: repeat(3, 1fr);
}
.service-primary__visual--contain img { object-fit: contain; background: var(--surface-slider); }

.service-primary__visual {
  overflow: hidden;
  background: var(--surface-slider);
  aspect-ratio: 16 / 10;
  border: 1px solid var(--border-default);
}

.service-primary__visual--doc {
  background: var(--surface-tech);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-primary__doc-stack {
  position: relative;
  width: 72%;
  aspect-ratio: 1.414 / 1;
}

.service-primary__doc-sheet {
  position: absolute;
  inset: 0;
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.service-primary__doc-sheet img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-primary__doc-sheet--back {
  transform: rotate(-2deg) translate(-6px, -6px);
  opacity: 0.55;
}

.service-primary__doc-sheet--front {
  transform: rotate(1deg);
}

.service-primary:first-child .service-primary__visual { aspect-ratio: 16 / 10; }
.service-primary:last-child .service-primary__visual { aspect-ratio: 4 / 3; }

.service-primary__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-primary__title {
  font-size: 1.35rem;
  margin: 1rem 0 0.35rem;
}

.service-primary__desc {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.8;
  max-width: 36ch;
}

.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.35rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-default);
  font-size: 0.875rem;
  color: var(--text-secondary);
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}

.services-list li::before {
  content: '—';
  margin-right: 0.35rem;
  opacity: 0.4;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.about__visual {
  overflow: hidden;
  max-height: 720px;
  background: rgba(244, 241, 234, 0.06);
}

.about__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--ivory);
  margin-bottom: 1rem;
}

.section--dark p { color: var(--text-on-inverse-muted); }
.about__lead { color: var(--text-on-inverse); }
.about__tools {
  font-size: 0.8rem;
  opacity: 0.55;
  margin-top: 1rem;
  color: var(--text-on-inverse-muted);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(240, 235, 226, 0.12);
}

.about-stat__value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--text-on-inverse);
  line-height: 1.1;
}

.about-stat__label {
  font-size: 0.8rem;
  color: var(--text-on-inverse-muted);
}

/* Process */
.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.process-step {
  padding-top: 1rem;
  border-top: 1px solid var(--border-default);
}

.process-step__num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.process-step__title {
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
}

.process-step__desc {
  font-size: 0.85rem;
  margin: 0;
  opacity: 0.72;
}

/* Pricing */
.pricing-wrap { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.25rem; }

.pricing-viz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.pricing-tech-banner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 0.85fr);
  gap: clamp(1rem, 3vw, 1.5rem);
  align-items: center;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--accent-primary);
  background: var(--surface-card);
}

.pricing-tech-banner__label {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.pricing-tech-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  margin: 0 0 0.35rem;
  color: var(--text-strong);
}

.pricing-tech-banner__price {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin: 0 0 0.35rem;
  color: var(--text-strong);
}

.pricing-tech-banner__price span { font-family: var(--font-body); font-size: 0.8rem; color: var(--text-muted); }
.pricing-tech-banner__note { margin: 0; font-size: 0.82rem; color: var(--text-secondary); }

.pricing-tech-banner__features {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.pricing-tech-banner__features li {
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--border-default);
}

.pricing-tech-banner__visual {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
}

.pricing-tech-banner__frame {
  background: var(--surface-tech);
  border: 1px solid var(--border-default);
  padding: 0.5rem;
  box-shadow: var(--shadow-soft);
}

.pricing-tech-banner__frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.pricing-tech-banner__cta { width: 100%; min-height: 44px; }

.pricing-card {
  padding: 1.25rem;
  border: 1px solid var(--border-default);
  background: var(--surface-card);
  display: flex;
  flex-direction: column;
}

.pricing-card__name {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin: 0 0 0.75rem;
  font-family: var(--font-body);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin: 0 0 1rem;
  color: var(--text-strong);
}

.pricing-card__from,
.pricing-card__unit {
  font-family: var(--font-body);
  font-size: 0.8rem;
  opacity: 0.55;
}

.pricing-card__features {
  flex: 1;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.pricing-card__features li {
  font-size: 0.8rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border-default);
}

.pricing-card__cta { width: 100%; font-size: 0.8rem; padding: 0.65rem; min-height: 44px; }

.pricing-note {
  font-size: 0.85rem;
  opacity: 0.65;
  max-width: 640px;
}

/* FAQ */
.faq-list { max-width: 680px; }
.faq-item { border-bottom: 1px solid var(--border-default); }
.faq-item__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 0;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-strong);
  cursor: pointer;
  gap: 1rem;
}

.faq-item__icon { flex-shrink: 0; transition: transform var(--transition); }
.faq-item__trigger[aria-expanded="true"] .faq-item__icon { transform: rotate(180deg); }
.faq-item__panel p { font-size: 0.9rem; opacity: 0.78; margin: 0 0 1rem; }

/* Contacts */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.contact-grid__intro {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-grid__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-inverse-muted);
  margin: 0 0 0.5rem;
}

.contact-grid__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  color: var(--text-on-inverse);
  margin: 0 0 0.75rem;
  line-height: 1.1;
}

.contact-grid__subtitle {
  margin: 0 0 1rem;
  color: var(--text-on-inverse-muted);
  max-width: 38ch;
  line-height: 1.55;
}

.contact-grid__trust {
  font-size: 0.82rem;
  color: var(--text-on-inverse-muted);
  margin: 0 0 1.5rem;
  line-height: 1.45;
  max-width: 42ch;
  opacity: 0.92;
}

.contact-grid__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.contact-grid__ctas .btn { min-height: 48px; }

.contact-grid__methods {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1rem, 2.5vw, 1.35rem);
  background: rgba(244, 241, 234, 0.04);
  border: 1px solid rgba(244, 241, 234, 0.12);
  border-radius: var(--radius);
}

.contact-method {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid rgba(244, 241, 234, 0.12);
  border-radius: var(--radius);
  min-height: 56px;
  transition: background var(--transition), border-color var(--transition);
}

.contact-method:hover {
  background: rgba(244, 241, 234, 0.06);
  border-color: rgba(244, 241, 234, 0.22);
}

.contact-method__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-inverse-muted);
  flex-shrink: 0;
}

.contact-method__value {
  font-size: clamp(0.92rem, 2.2vw, 1.05rem);
  font-weight: 500;
  color: var(--text-on-inverse);
  text-align: right;
  word-break: break-word;
}

.contact-method-group {
  padding: 0.95rem 1.1rem;
  border: 1px solid rgba(244, 241, 234, 0.12);
  border-radius: var(--radius);
}

.contact-method-group__title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.65rem;
  color: var(--text-on-inverse-muted);
  font-family: var(--font-body);
}

.contact-method-group__link,
.contact-method-group__links a {
  display: flex;
  align-items: center;
  color: var(--text-on-inverse);
  padding: 0.35rem 0;
  font-size: 0.95rem;
  line-height: 1.4;
  min-height: 44px;
}

.contact-method-group__link:hover,
.contact-method-group__links a:hover { opacity: 0.85; }

/* Developer credit — secondary */
.developer-credit {
  background: var(--surface-section);
  color: var(--text-primary);
  padding: clamp(1.25rem, 3vw, 1.75rem) 0;
  padding-bottom: max(clamp(1.25rem, 3vw, 1.75rem), env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-default);
}

.developer-credit__grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.developer-credit__label {
  margin: 0 0 0.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.developer-credit__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-strong);
}

.developer-credit__text { display: none; }

.developer-credit__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn--developer {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
  min-height: 40px;
  padding: 0.55rem 1rem;
  font-size: 0.8rem;
}

.btn--developer:hover {
  background: var(--text-strong);
  color: var(--surface-page);
  border-color: var(--text-strong);
  transform: none;
}

.developer-credit__link {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

.developer-credit__link:hover { color: var(--text-strong); }

/* Footer */
.footer {
  background: var(--surface-inverse);
  color: var(--text-on-inverse-muted);
  padding: 3rem 0 1.25rem;
  border-top: 1px solid var(--border-default);
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--text-on-inverse);
  margin-bottom: 0.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__desc { font-size: 0.85rem; opacity: 0.65; max-width: 240px; }

.footer__heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-inverse);
  margin: 0 0 0.75rem;
  font-family: var(--font-body);
}

.footer__links a {
  display: block;
  font-size: 0.85rem;
  padding: 0.2rem 0;
  color: var(--text-on-inverse-muted);
}

.footer__developer a {
  color: var(--text-on-inverse-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer__developer a:hover { color: var(--text-on-inverse); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-default);
  font-size: 0.8rem;
  opacity: 0.65;
}

.footer__developer { opacity: 0.75; }

.btn__arrow {
  font-size: 1rem;
  line-height: 1;
  opacity: 0.7;
}

.lightbox__meta { color: var(--text-on-image); }
.lightbox__close,
.lightbox__nav { color: var(--text-on-image); }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: var(--surface-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox[hidden] { display: none; }

.lightbox__image-wrap {
  max-width: min(92vw, 1400px);
  max-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
}

.lightbox__meta {
  position: absolute;
  bottom: max(1rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-on-image);
  pointer-events: none;
}

.lightbox__caption strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
}

.lightbox__caption span { font-size: 0.8rem; opacity: 0.6; }
.lightbox__counter {
  display: block;
  font-size: 0.75rem;
  opacity: 0.5;
  margin-top: 0.25rem;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: rgba(17, 17, 15, 0.5);
  border: none;
  color: var(--text-on-image);
  cursor: pointer;
  min-width: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

.lightbox__close { top: max(0.5rem, env(safe-area-inset-top)); right: 0.5rem; }
.lightbox__nav--prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

/* Telegram FAB */
.telegram-fab {
  position: fixed;
  bottom: max(1rem, env(safe-area-inset-bottom));
  right: max(0.75rem, env(safe-area-inset-right));
  z-index: var(--z-fab);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0;
  width: 44px;
  height: 44px;
  background: var(--accent-primary);
  color: var(--button-primary-text);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(17, 17, 15, 0.22);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  opacity: 1;
  visibility: visible;
}

.telegram-fab__label { display: none; }

.telegram-fab[hidden] {
  display: flex;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
}

.telegram-fab:not([hidden]):hover { transform: translateY(-2px); }
.telegram-fab[hidden]:hover { transform: translateY(6px); }

@media (min-width: 768px) {
  .telegram-fab {
    width: auto;
    height: auto;
    min-height: 48px;
    padding: 0.75rem 1rem;
    border-radius: 999px;
  }

  .telegram-fab__label { display: inline; }
}

/* Responsive */
@media (min-width: 768px) and (max-width: 1024px) {
  :root { --section-pad: clamp(2rem, 3.5vw, 2.75rem); }

  .portfolio-projects { gap: 0.85rem; }
  .project-card__cover { aspect-ratio: 16 / 11; }

  .tech-showcase {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.25rem;
  }

  .tech-showcase__frame { max-height: min(52vh, 420px); }
  .tech-slider { max-height: min(48vh, 380px); }
  .tech-slider__img { max-height: min(48vh, 380px); object-fit: contain; }

  .services-primary,
  .services-primary--three { grid-template-columns: 1fr 1fr; }
  .service-primary:last-child { grid-column: 1 / -1; }
  .service-primary__visual { max-height: 320px; }

  .pricing-viz-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }
  .pricing-viz-grid .pricing-card:nth-child(3) {
    grid-column: 1 / -1;
    max-width: calc(50% - 0.35rem);
    justify-self: center;
  }

  .pricing-tech-banner {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1.15rem;
  }
  .pricing-tech-banner__visual { grid-column: 1 / -1; max-height: 220px; }
  .pricing-tech-banner__frame img { max-height: 200px; object-fit: contain; }

  .process-track { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .about__visual { max-height: 420px; }
  .about-stats { margin-top: 1.25rem; padding-top: 1rem; }
  .contact-grid { gap: 2rem; }
  .developer-credit { padding-top: 1.25rem; padding-bottom: 1.25rem; }
  .section__header { margin-bottom: 1.5rem; }
}

@media (max-width: 1024px) {
  .menu-toggle { display: flex; }

  .header__inner {
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 1.5vw, 0.45rem);
    padding: 0 clamp(0.65rem, 2vw, 1rem);
  }

  .header__logo {
    flex: 0 0 auto;
    min-width: 0;
    max-width: 9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1rem;
  }

  .header__controls {
    display: flex;
    align-items: center;
    margin-left: auto;
    flex: 0 0 auto;
    gap: 0.2rem;
  }

  .header__nav {
    position: fixed;
    inset: 0;
    width: 0;
    height: 0;
    overflow: visible;
    pointer-events: none;
    z-index: 99;
  }

  .header__nav .nav-menu {
    pointer-events: auto;
  }

  .header__actions { display: none; }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem clamp(1rem, 3vw, 1.5rem) 2rem;
    background: var(--surface-overlay);
    transform: translateX(100%);
    transition: transform var(--transition), visibility var(--transition);
    overflow-y: auto;
    gap: 0;
    visibility: hidden;
  }

  .nav-menu.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-link {
    display: block;
    padding: 1rem 0;
    font-size: 1.15rem;
    color: var(--text-on-image);
    border-bottom: 1px solid rgba(240, 235, 226, 0.08);
  }

  .nav-link--mobile-action {
    display: block;
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    text-align: center;
    border: 1px solid rgba(240, 235, 226, 0.2);
    border-bottom: 1px solid rgba(240, 235, 226, 0.2);
    font-weight: 600;
  }

  .header__cta { display: none; }

  .portfolio-projects { grid-template-columns: 1fr 1fr; }
  .tech-showcase { grid-template-columns: 1fr; }
  .pricing-viz-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-tech-banner { grid-template-columns: 1fr 1fr; }
  .pricing-tech-banner__visual { grid-column: 1 / -1; }

  .services-primary,
  .services-primary--three { grid-template-columns: 1fr 1fr; }
  .service-primary:last-child { grid-column: 1 / -1; }
  .about-grid { grid-template-columns: 1fr; }
  .about__visual { max-height: 480px; }
  .process-track { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; align-items: start; }
  .contact-grid__methods { margin-top: 0.25rem; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header__logo { font-size: 0.92rem; max-width: 7.25rem; }
  .lang-switcher__btn {
    min-width: 34px;
    min-height: 36px;
    padding: 0.2rem 0.32rem;
    font-size: 0.6rem;
  }
  .theme-toggle__btn { width: 36px; height: 36px; }
  .menu-toggle { width: 40px; height: 40px; flex-shrink: 0; }

  #documentation .container { padding-inline: 16px; }

  .tech-showcase,
  .tech-showcase__viewer,
  .tech-showcase__frame,
  .tech-slider,
  .tech-slider__track,
  .tech-slider__slide,
  .tech-slider__open {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .tech-showcase__frame { padding: 0.5rem; }

  .tech-slider__track {
    min-height: 0;
    aspect-ratio: 1.414 / 1;
  }

  .tech-slider__img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
  }

  .tech-showcase__frame,
  .tech-slider {
    max-height: none;
  }

  .tech-showcase__controls {
    gap: 0.35rem;
    row-gap: 0.4rem;
    max-width: 100%;
    padding-inline: 0;
  }

  .tech-slider__nav {
    width: 36px;
    height: 36px;
  }

  .tech-slider__zoom {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
  }

  .tech-slider__counter {
    min-width: 3.75rem;
    font-size: 0.7rem;
  }

  .contact-grid__methods {
    padding: 0;
    background: none;
    border: none;
    gap: 0;
    border-radius: 0;
  }

  .contact-method {
    border: none;
    border-bottom: 1px solid rgba(244, 241, 234, 0.12);
    border-radius: 0;
    padding: 0.85rem 0;
    min-height: 48px;
    background: transparent;
  }

  .contact-method:first-child { padding-top: 0.25rem; }
  .contact-method:hover {
    background: transparent;
    border-color: rgba(244, 241, 234, 0.12);
  }

  .contact-method-group {
    border: none;
    border-bottom: 1px solid rgba(244, 241, 234, 0.12);
    border-radius: 0;
    padding: 0.85rem 0;
    background: transparent;
  }

  .contact-method-group__links { display: flex; flex-direction: column; gap: 0.35rem; }
  .contact-grid__intro { gap: 0; }
  .contact-grid__trust { margin-bottom: 1.1rem; }

  .portfolio-projects { grid-template-columns: 1fr; }
  .pricing-viz-grid,
  .pricing-tech-banner { grid-template-columns: 1fr; }
  .services-primary,
  .services-primary--three { grid-template-columns: 1fr; }
  .service-primary:last-child { grid-column: auto; }

  .developer-credit__actions { width: 100%; flex-direction: column; align-items: stretch; }
  .btn--developer { width: 100%; }
}

@media (max-width: 640px) {
  .hero__img { object-position: 50% 38%; }
  .hero__gradient {
    background:
      linear-gradient(180deg, rgba(17, 17, 15, 0.5) 0%, transparent 22%, rgba(17, 17, 15, 0.72) 72%, rgba(17, 17, 15, 0.88) 100%),
      linear-gradient(90deg, rgba(17, 17, 15, 0.35) 0%, transparent 100%);
  }
  .hero__title { max-width: none; font-size: clamp(1.85rem, 8vw, 2.5rem); }
  .hero__container { align-items: flex-end; padding-bottom: max(2rem, env(safe-area-inset-bottom)); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .process-track { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .contact-grid__ctas { flex-direction: column; }
  .contact-grid__ctas .btn { width: 100%; }
  .contact-method { flex-wrap: wrap; }
  .contact-method__value { text-align: left; width: 100%; }
  .project-gallery--portrait,
  .project-gallery--mixed { grid-template-columns: 1fr; }
  .project-gallery--mixed .project-gallery__item:first-child { grid-column: auto; }
}

@media (max-width: 360px) {
  .header__inner { gap: 0.2rem; }
  .header__logo { font-size: 0.86rem; max-width: 6.2rem; }
  .lang-switcher__btn { min-width: 30px; min-height: 34px; font-size: 0.56rem; padding: 0.15rem 0.22rem; }
  .theme-toggle__btn { width: 34px; height: 34px; }
  .menu-toggle { width: 38px; height: 38px; }
  .header__controls { gap: 0.15rem; }
}