/* ═══════════════════════════════════════════════
   НАСЛЕДИЕ.ТЕХ — Architectural Editorial Design
   Fonts: Cormorant Garamond (display) + DM Sans (body)
   Palette: Warm off-white + Heritage green + Dark sections
   Inspired by: Snøhetta, Heatherwick, Foster+Partners, H&dM, BIG
   ═══════════════════════════════════════════════ */

/* ── Reset ────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Type Scale */
  --text-xs:   clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.2vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1.0625rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1.1rem + 1vw, 2rem);
  --text-2xl:  clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  --text-3xl:  clamp(2.25rem, 1.2rem + 3.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 0.5rem + 5.5vw, 5rem);
  --text-stat: clamp(3rem, 1.5rem + 5vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Colors */
  --color-bg:           #F5F3EE;
  --color-surface:      #FFFFFF;
  --color-text:         #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-tertiary:  #A0A0A0;
  --color-primary:      #2C4A3E;
  --color-primary-hover: #1F362D;
  --color-dark:         #1A1A1A;
  --color-border:       #E0DDD8;

  /* Radius */
  --radius-sm: 2px;
  --radius-md: 4px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 250ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --content-narrow: 800px;
  --content-max: 1200px;
  --content-wide: 1400px;

  /* Section padding */
  --section-pad: clamp(2.5rem, 5vw, 4rem);
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); font-weight: 400; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

::selection {
  background: rgba(44,74,62,0.15);
  color: var(--color-text);
}

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

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


/* ── Container ────────────────────────────── */
.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--narrow { max-width: var(--content-narrow); }
.container--wide { max-width: var(--content-wide); }

@media (min-width: 768px) {
  .container { padding-inline: var(--space-10); }
}


/* ── Section ────────────────────────────── */
.section {
  padding-block: var(--section-pad);
  position: relative;
}

.section__header {
  margin-bottom: clamp(var(--space-6), 3vw, var(--space-10));
  max-width: 720px;
  margin-left: auto;
  text-align: right;
}

.section__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.section__desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-left: auto;
  font-weight: 400;
  line-height: 1.7;
}


/* ── Button ────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid transparent;
  border-radius: 0;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn--primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn--outline-white {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-white:hover {
  background: #FFFFFF;
  color: var(--color-dark);
  border-color: #FFFFFF;
}


/* ── Header ────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), transform 0.3s var(--ease);
}

.header--scrolled {
  background: rgba(245,243,238,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header--hidden { transform: translateY(-100%); }

.header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: 0 var(--space-5);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .header__inner { padding: 0 var(--space-10); height: 80px; }
}


/* ── Logo ────────────────────────────── */
.logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  color: var(--color-text);
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.7; }

.logo__dot { color: var(--color-primary); }

.logo__subtitle {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Hero state: header stays dark on abstract light image */
.header:not(.header--scrolled) .logo { color: var(--color-text); }
.header:not(.header--scrolled) .logo__subtitle { color: var(--color-text-secondary); }
.header:not(.header--scrolled) .nav__link { color: var(--color-text-secondary); }
.header:not(.header--scrolled) .nav__link:hover { color: var(--color-text); }
.header:not(.header--scrolled) .header__email { color: var(--color-text-secondary); }
.header:not(.header--scrolled) .burger span { background: var(--color-text); }

.logo__text {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}


/* ── Navigation ────────────────────────────── */
.nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 960px) {
  .nav { display: flex; }
}

.nav__link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  transition: color var(--transition);
  position: relative;
}
.nav__link:hover { color: var(--color-text); }

/* Underline animation on hover */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: var(--space-4); right: var(--space-4);
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); }

.header__email {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-secondary);
  display: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.header__email:hover { color: var(--color-primary); }

@media (min-width: 960px) {
  .header__email { display: block; }
}

/* Mobile nav — fullscreen overlay (Foster-style) */
.nav--open {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-dark);
  z-index: 99;
  gap: var(--space-4);
}
.nav--open .nav__link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 300;
  text-transform: none;
  letter-spacing: 0;
  padding: var(--space-2) 0;
  color: #FFFFFF;
  opacity: 0.8;
}
.nav--open .nav__link:hover { opacity: 1; color: #FFFFFF; }
.nav--open .nav__link::after { display: none; }


/* ── Burger ────────────────────────────── */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 101;
}
.burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background 0.3s var(--ease);
}
.burger--open span { background: #FFFFFF; }
.burger--open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger--open span:nth-child(2) { opacity: 0; }
.burger--open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 960px) { .burger { display: none; } }


/* ── Hero ────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
}

.hero__image {
  position: relative;
  width: 100%;
  height: 60vh;
  min-height: 350px;
  max-height: 640px;
  overflow: hidden;
}

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

.hero__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(245,243,238,0.15) 0%,
    rgba(245,243,238,0.1) 40%,
    rgba(245,243,238,0.6) 80%,
    rgba(245,243,238,1) 100%
  );
}

/* Hero title overlay — positioned on right half of image */
.hero__title-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 55%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-16) var(--space-5) var(--space-10);
  z-index: 2;
  background: linear-gradient(
    90deg,
    rgba(245,243,238,0) 0%,
    rgba(245,243,238,0.5) 25%,
    rgba(245,243,238,0.75) 60%,
    rgba(245,243,238,0.88) 100%
  );
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 32ch;
  font-weight: 400;
  color: var(--color-text);
  text-align: right;
}

.hero__content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5) var(--space-10);
}

@media (min-width: 768px) {
  .hero__content {
    padding: var(--space-10) var(--space-10) var(--space-12);
  }
  .hero__image {
    height: 64vh;
    max-height: 720px;
  }
  .hero__title-overlay {
    padding: var(--space-16) var(--space-10) var(--space-10);
  }
}

@media (max-width: 639px) {
  .hero__title-overlay {
    width: 100%;
    background: linear-gradient(
      0deg,
      rgba(245,243,238,0.92) 0%,
      rgba(245,243,238,0.7) 50%,
      rgba(245,243,238,0.3) 100%
    );
    align-items: flex-end;
    padding: var(--space-4);
  }
  .hero__title {
    text-align: right;
    font-size: var(--text-2xl);
  }
}

.hero__cta-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: opacity var(--transition);
  position: relative;
}
.hero__cta-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.hero__cta-link:hover::after { transform: scaleX(1); }

/* Arrow indicator */
.hero__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-6);
}
.hero__arrow svg {
  width: 24px; height: 24px;
  color: var(--color-text-tertiary);
  animation: arrow-bounce 2s ease-in-out infinite;
}

@keyframes arrow-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Stats */
.hero__stats {
  display: flex;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

.stat { text-align: left; }
.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-stat);
  font-weight: 300;
  color: var(--color-text);
  display: inline;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat__plus {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text-tertiary);
}
.stat__label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}


/* ── Problem ────────────────────────────── */
.problem {
  background: var(--color-bg);
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 640px) {
  .problem__grid { grid-template-columns: repeat(2, 1fr); }
}

.problem__card {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .problem__card {
    padding: var(--space-8) var(--space-6);
  }
  .problem__card:nth-child(odd) {
    padding-left: 0;
    border-right: 1px solid var(--color-border);
  }
  .problem__card:nth-child(even) {
    padding-right: 0;
  }
  /* Remove bottom border on last row */
  .problem__card:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

.problem__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
  line-height: 1;
}

.problem__card h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
  line-height: 1.35;
}

.problem__card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.problem__accent {
  margin-top: clamp(var(--space-6), 3vw, var(--space-10));
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-primary);
}
.problem__accent p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-secondary);
  max-width: 55ch;
  line-height: 1.45;
}
.problem__accent strong {
  color: var(--color-text);
  font-weight: 600;
}


/* ── Services (DARK background) ────────────────────────────── */
.services {
  background: var(--color-dark);
  padding-block: var(--section-pad);
}

.services .section__eyebrow { color: var(--color-text-tertiary); }
.services .section__title { color: #FFFFFF; }
.services .section__desc { color: rgba(255,255,255,0.6); }

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

/* Mobile: horizontal scroll for 5 cards */
@media (max-width: 767px) {
  .services__grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--space-4);
  }
  .services__grid::-webkit-scrollbar { display: none; }
  .services__grid .service-card {
    flex: 0 0 85%;
    scroll-snap-align: start;
    border-bottom: none;
    border-right: 1px solid rgba(255,255,255,0.1);
  }
  .services__grid .service-card:last-child {
    border-right: none;
  }
}

/* Desktop: 5 cards in 3+2 grid */
@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  color: #FFFFFF;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

@media (min-width: 768px) {
  .service-card {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    border-right: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-8);
  }
  .service-card:nth-child(3n) { border-right: none; }
  .service-card:nth-child(n+4) { border-bottom: none; }
  .service-card:first-child { padding-left: 0; }
  .service-card:nth-child(4) { padding-left: 0; }
}

.service-card__num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: rgba(255,255,255,0.25);
  margin-bottom: var(--space-6);
  line-height: 1;
}

.service-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-5);
  line-height: 1.35;
  color: #FFFFFF;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-8);
  flex: 1;
}
.service-card__list li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  line-height: 1.5;
}
.service-card__list li:last-child { border-bottom: none; }

.service-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
  align-self: flex-start;
}
.service-card__cta:hover { color: #FFFFFF; }


/* ── Service Detail ────────────────────── */
.services-detail {
  background: var(--color-bg);
  padding-block: var(--section-pad);
}

.service-detail {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}
.service-detail:last-of-type {
  border-bottom: none;
}

.service-detail__header {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  margin-bottom: var(--space-8);
}

.service-detail__num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-text-tertiary);
  line-height: 1;
  flex-shrink: 0;
  min-width: 3rem;
}

.service-detail__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.service-detail__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 60ch;
}

.service-detail__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-left: 0;
}

@media (min-width: 768px) {
  .service-detail__body {
    grid-template-columns: 1fr 1fr;
    padding-left: calc(3rem + var(--space-6));
  }
}

.service-detail__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.service-detail__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
}

.service-detail__note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.service-detail__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-detail__group h5 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
}

.service-detail__group ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-detail__group ul li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.6;
}

.service-detail__group ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--color-text-tertiary);
}

.service-detail__flat-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-detail__flat-list li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.6;
}

.service-detail__flat-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--color-text-tertiary);
}

.service-detail__steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.service-detail__steps li {
  counter-increment: step;
  position: relative;
  padding-left: var(--space-8);
  border-left: 1px solid var(--color-border);
}

.service-detail__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: calc(-1 * var(--space-4));
  top: 0;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-tertiary);
  background: var(--color-bg);
  padding: 2px 4px;
  line-height: 1;
}

.service-detail__steps li strong {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: 1.4;
}

.service-detail__steps li span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.service-detail__appendix {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-2);
  line-height: 1.55;
}

.service-detail__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .service-detail__footer {
    padding-left: calc(3rem + var(--space-6));
  }
}

.service-detail__timing {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.service-detail__timing svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.service-detail__result {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
}

@media (max-width: 767px) {
  .service-detail__header {
    flex-direction: column;
    gap: var(--space-3);
  }
  .service-detail__num {
    min-width: auto;
  }
}


/* ── Process ────────────────────────────── */
.process {
  overflow: hidden;
  background: var(--color-dark);
}
.process__bg {
  position: absolute;
  inset: 0;
}
.process__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.process__bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0.88);
}

.process .container { position: relative; z-index: 1; }

.section__header--light .section__eyebrow { color: rgba(255,255,255,0.4); }
.section__header--light .section__title { color: #FFFFFF; }
.section__header--light .section__desc { color: rgba(255,255,255,0.55); }

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

@media (min-width: 768px) {
  .process__timeline {
    flex-direction: row;
    align-items: stretch;
  }
}

.process__step {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

@media (min-width: 768px) {
  .process__step {
    border-bottom: none;
    border-right: 1px solid rgba(255,255,255,0.08);
    padding: var(--space-8);
  }
  .process__step:first-child { padding-left: 0; }
  .process__step:last-child { padding-right: 0; border-right: none; }
}

.process__step-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: rgba(255,255,255,0.2);
  margin-bottom: var(--space-5);
  line-height: 1;
}

.process__step h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: #FFFFFF;
}

.process__step p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  flex: 1;
}

.process__step-tag {
  display: inline-block;
  margin-top: var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.process__connector {
  display: none;
}


/* ── Trust & Expertise ────────────────────────────── */
.trust-expertise {
  background: var(--color-bg);
}

.trust-expertise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .trust-expertise__grid { grid-template-columns: repeat(3, 1fr); }
}

.te-card {
  padding: var(--space-10) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .te-card {
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
  }
  .te-card:nth-child(3n) { border-right: none; }
  .te-card:first-child { padding-left: 0; }
  .te-card:last-child { padding-right: 0; }
}

.te-card__number {
  font-family: var(--font-display);
  font-size: var(--text-stat);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1;
  letter-spacing: -0.02em;
}

.te-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
  line-height: 1.3;
}

.te-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Expertise subsection */
.expertise-sub {
  margin-top: clamp(var(--space-8), 4vw, var(--space-12));
}

.expertise-sub__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  text-align: right;
  margin-bottom: clamp(var(--space-5), 2vw, var(--space-8));
  letter-spacing: -0.01em;
}

.expertise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .expertise__grid { grid-template-columns: repeat(2, 1fr); }
}

.expertise__card {
  padding: var(--space-8) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .expertise__card:nth-child(odd) {
    padding-left: 0;
    border-right: 1px solid var(--color-border);
  }
  .expertise__card:nth-child(even) {
    padding-right: 0;
  }
}

.expertise__card h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
  line-height: 1.3;
}

.expertise__card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}


/* ── Projects ────────────────────────────── */
.projects {
  background: var(--color-bg);
}

.gost-teaser {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.gost-teaser__cta {
  max-width: 720px;
  margin-left: auto;
  text-align: right;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .projects__grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 8 / 5;
  background: var(--color-border);
}
.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.project-card__content {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__type {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  display: block;
  margin-bottom: var(--space-3);
}

.project-card__content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  line-height: 1.25;
}

.project-card__location {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.project-card__result {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  flex-wrap: wrap;
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.project-card__badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  background: var(--color-primary);
  color: #FFFFFF;
  white-space: nowrap;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  transition: opacity var(--transition);
  word-break: break-word;
  margin-top: auto;
}
.project-card__link:hover {
  opacity: 0.7;
}


/* ── FAQ ────────────────────────────── */
.faq {
  background: var(--color-bg);
}

.faq__list {
  display: flex;
  flex-direction: column;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}
.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  list-style: none;
  transition: color var(--transition);
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question:hover { color: var(--color-primary); }

.faq__chevron {
  width: 20px; height: 20px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: transform 0.3s var(--ease);
}

.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  padding-bottom: var(--space-8);
}

.faq__answer p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
}


/* ── Contact (DARK background) ────────────────────────────── */
.contact {
  background: var(--color-dark);
}

.contact .section__header { max-width: none; }

.contact__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 768px) {
  .contact__layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
  }
}

.contact__info {
  color: #FFFFFF;
}

.contact__info-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-5);
}

.contact__info-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: var(--space-5);
  color: #FFFFFF;
  text-align: right;
}

.contact__info-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 45ch;
}

.contact__info-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__info-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.contact__info-links a:hover { color: #FFFFFF; }
.contact__info-links svg {
  width: 18px; height: 18px; flex-shrink: 0;
}

.contact__form-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.contact-form__group label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-3);
}

.contact-form__group input,
.contact-form__group textarea {
  width: 100%;
  padding: var(--space-3) 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  border-radius: 0;
  font-size: var(--text-base);
  color: #FFFFFF;
  transition: border-color var(--transition);
}

.contact-form__group input:focus,
.contact-form__group textarea:focus {
  outline: none;
  border-bottom-color: #FFFFFF;
}

.contact-form__group input::placeholder,
.contact-form__group textarea::placeholder {
  color: rgba(255,255,255,0.25);
}

.contact-form__submit {
  justify-self: start;
  margin-top: var(--space-4);
}

/* Override btn for contact: use outline white */
.contact .btn--primary {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.4);
}
.contact .btn--primary:hover {
  background: #FFFFFF;
  color: var(--color-dark);
  border-color: #FFFFFF;
}

.contact-form__note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}


/* ── Contact Bar ────────────────────── */
.contact-bar {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-5);
}

.contact-bar__inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  text-align: center;
}

@media (min-width: 768px) {
  .contact-bar__inner {
    grid-template-columns: repeat(3, 1fr);
    padding-inline: var(--space-10);
    text-align: left;
  }
}

.contact-bar__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact-bar__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
}

.contact-bar__value {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
}
.contact-bar__value a {
  color: var(--color-text);
  transition: color var(--transition);
}
.contact-bar__value a:hover {
  color: var(--color-primary);
}


/* ── Footer (DARK background) ────────────────────────────── */
.footer {
  background: var(--color-dark);
  color: #FFFFFF;
  padding-block: var(--space-10) var(--space-6);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .footer__inner { grid-template-columns: 2fr 1fr 1fr; }
}

.logo--footer { color: #FFFFFF; }
.logo--footer:hover { opacity: 0.8; }
.logo--footer .logo__dot { color: rgba(255,255,255,0.4); }
.logo--footer .logo__subtitle { color: rgba(255,255,255,0.35); }

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
  margin-top: var(--space-4);
  line-height: 1.6;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer__nav a:hover { color: #FFFFFF; }

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__contacts a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer__contacts a:hover { color: #FFFFFF; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer__bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}
.footer__attribution {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  transition: color var(--transition);
}
.footer__attribution:hover { color: rgba(255,255,255,0.6); }


/* ── Scroll Animations ────────────────────────────── */
/* Default: visible. JS will hide them when observer is set up. */
.fade-in { opacity: 1; }


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