/* ============================================================
   Prime Building RM — Main Stylesheet
   Prime Building RM
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Colors */
  --clr-bg:           #080808;
  --clr-surface:      #111111;
  --clr-surface-2:    #191919;
  --clr-surface-3:    #212121;
  --clr-border:       #2a2a2a;
  --clr-primary:      #22c55e;
  --clr-primary-dark: #16a34a;
  --clr-primary-glow: rgba(34, 197, 94, 0.15);
  --clr-text:         #f0f0f0;
  --clr-text-muted:   #9ca3af;
  --clr-text-subtle:  #858c97; /* ≥4.5:1 on every surface down to --clr-surface-3 */
  --clr-white:        #ffffff;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semibold: 600;
  --fw-bold:    700;
  --fw-black:   900;

  /* Spacing */
  --space-1:  0.25rem;   /* 4px  */
  --space-2:  0.5rem;    /* 8px  */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  --space-32: 8rem;      /* 128px */

  /* Border radius */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Motion */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.7, 0, 0.2, 1);

  /* Transitions */
  --transition-fast: 0.15s var(--ease-out);
  --transition:      0.25s var(--ease-out);
  --transition-slow: 0.4s var(--ease-out);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
  --shadow:    0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.8);
  --shadow-primary: 0 8px 20px -6px rgba(0, 0, 0, 0.7);

  /* Container */
  --container-max: 1280px;
  --container-pad: var(--space-6);

  /* Nav height */
  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

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

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: 1.2;
  color: var(--clr-white);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: var(--fw-black); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }

p { color: var(--clr-text-muted); line-height: 1.75; }

.lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--clr-text-muted);
  max-width: 640px;
}

.text-primary { color: var(--clr-primary); }
.text-muted   { color: var(--clr-text-muted); }
.text-white   { color: var(--clr-white); }

/* Headline line masks: each .title-line clips its inner span so the line can rise into view */
.title-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.1em;
  margin-bottom: -0.1em;
}

.title-line > span { display: block; }

/* ── Layout ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section--dark    { background-color: var(--clr-bg); }
.section--surface { background-color: var(--clr-surface); }
.section--alt     { background-color: var(--clr-surface-2); }

/* ── Section heading ───────────────────────────────────────── */
.section-header {
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}

.section-header--center { text-align: center; }
.section-header--center .lead { margin-inline: auto; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-4);
}

.section-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8125rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--radius);
  transition:
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--clr-primary);
  color: #000;
}
.btn--primary:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border: 1.5px solid var(--clr-border);
}
.btn--outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--clr-white);
}

.btn:active {
  transform: translateY(1px) scale(0.99);
  transition-duration: 80ms;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* ── Navigation ────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), border-bottom var(--transition), backdrop-filter var(--transition);
  view-transition-name: site-header;
}

.header.scrolled {
  background: rgba(8, 8, 8, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo-image {
  display: block;
  width: 260px;
  height: 56px;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.55));
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  position: relative;
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-white);
}

.nav__link:not(.nav__link--cta)::after {
  content: '';
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: 2px;
  height: 2px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

.nav__link--cta {
  background: var(--clr-primary);
  color: #000 !important;
  font-weight: var(--fw-semibold);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  margin-left: var(--space-2);
}

.nav__link--cta:hover {
  background: var(--clr-primary-dark);
  transform: none;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition), opacity var(--transition);
}

/* Toggle active */
.nav__toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg picture { display: block; width: 100%; height: 100%; }

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8, 8, 8, 0.92) 0%,
    rgba(8, 8, 8, 0.7) 60%,
    rgba(8, 8, 8, 0.4) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: calc(var(--nav-h) + var(--space-16)) var(--space-20);
  max-width: 720px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-5);
}

.hero__eyebrow span {
  display: block;
  width: 32px;
  height: 1.5px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  transform-origin: left;
}

.hero__title {
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-10);
  max-width: 550px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero__stat-value {
  font-size: 2rem;
  font-weight: var(--fw-black);
  color: var(--clr-white);
  line-height: 1;
}

.hero__stat-value span { color: var(--clr-primary); }

.hero__stat-label {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  margin-top: var(--space-1);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-subtle);
  animation: scrollHint 2s ease-in-out 3;
}

.hero__scroll-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-primary), transparent);
  border-radius: var(--radius-full);
}

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

/* ── Cards / Grid ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

.card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: var(--shadow-lg);
}

.card__body {
  padding: var(--space-6);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--clr-primary-glow);
  border: 1px solid rgba(34, 197, 94, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--clr-primary);
  stroke: var(--clr-primary);
}

.card__title {
  font-size: 1.125rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  margin-bottom: var(--space-2);
}

.card__text {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-primary);
  margin-top: var(--space-4);
}

.link-arrow {
  display: inline-block;
  transition: transform var(--transition);
}

a:hover .link-arrow,
a:focus-visible .link-arrow {
  transform: translateX(4px);
}

/* ── Service Cards (large) ─────────────────────────────────── */
.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.service-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-card:hover .service-card__img {
  transform: scale(1.05);
}

.service-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.95) 0%, rgba(8,8,8,0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: background var(--transition-slow);
}

.service-card__tag {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-2);
}

.service-card__title {
  font-size: 1.375rem;
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  margin-bottom: var(--space-2);
}

.service-card__desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), margin var(--transition);
}

.service-card:hover .service-card__desc {
  max-height: 80px;
  margin-bottom: var(--space-4);
}

/* ── Why Choose Section ────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.why-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}

.why-item:hover {
  border-color: rgba(34, 197, 94, 0.3);
}

.why-item__num {
  font-size: 2.5rem;
  font-weight: var(--fw-black);
  color: rgba(34, 197, 94, 0.15);
  line-height: 1;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.why-item__title {
  font-size: 1.0625rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  margin-bottom: var(--space-2);
}

.why-item__text {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ── Project Cards ─────────────────────────────────────────── */
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__img {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
}

.project-card__cat {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-1);
}

.project-card__title {
  font-size: 1.1875rem;
  font-weight: var(--fw-bold);
  color: var(--clr-white);
}

.project-card__desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-top: var(--space-2);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.project-card:hover .project-card__desc {
  max-height: 80px;
}

/* ── Filter buttons ────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 900px;
  margin-inline: auto;
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  transition: color var(--transition), background-color var(--transition), border-color var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  color: #000;
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}

/* ── Proof + Case Studies ─────────────────────────────────── */
.proof-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.proof-band__item {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.proof-band__label {
  display: block;
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-2);
}

.proof-band__text {
  color: var(--clr-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.case-study {
  scroll-margin-top: calc(var(--nav-h) + var(--space-10));
}

.case-study + .case-study {
  margin-top: var(--space-20);
  padding-top: var(--space-20);
  border-top: 1px solid var(--clr-border);
}

.case-study__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--space-8);
  align-items: stretch;
}

.case-study__hero {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow);
}

.case-study__hero img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

.case-study__summary {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.case-study__label {
  display: block;
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-2);
}

.case-study__summary p {
  color: var(--clr-text-muted);
}

.case-study__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.case-study__gallery figure {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.case-study__gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.case-study__gallery figcaption {
  padding: var(--space-3) var(--space-4);
  color: var(--clr-text-subtle);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.case-study__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ── CTA Banner ────────────────────────────────────────────── */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--clr-surface-2) 0%, rgba(34, 197, 94, 0.06) 100%);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: clamp(var(--space-10), 5vw, var(--space-16));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(34,197,94,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__title { margin-bottom: var(--space-3); }
.cta-banner__text  { font-size: 1.0625rem; color: var(--clr-text-muted); max-width: 500px; }

/* ── Process Steps ─────────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  position: relative;
}

/* Track runs from the first to the last step circle. main.js measures the real
   geometry into --track-*; the fallbacks match the 5-column desktop layout. */
.process-steps::before,
.process-steps::after {
  content: '';
  position: absolute;
  top: calc(var(--track-cross, calc(var(--space-6) + 28px)) - 1px);
  left: var(--track-start, 10%);
  width: var(--track-length, 80%);
  height: 2px;
  border-radius: var(--radius-full);
}

.process-steps::before { background: var(--clr-border); }

.process-steps::after {
  background: var(--clr-primary);
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.process-step {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  position: relative;
}

.process-step__num {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: var(--fw-black);
  color: var(--clr-primary);
  margin: 0 auto var(--space-4);
  background: var(--clr-bg);
  position: relative;
  z-index: 1;
  transition: background-color 0.4s var(--ease-out), color 0.4s var(--ease-out);
}

/* Milestone ring, played once each time a step is reached */
.process-step__num::after {
  content: '';
  position: absolute;
  inset: -1.5px;
  border: 1.5px solid var(--clr-primary);
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
}

.process-step.is-done .process-step__num {
  background: var(--clr-primary);
  color: #000;
}

.process-step.is-done .process-step__num::after {
  animation: milestone 0.9s var(--ease-out);
}

@keyframes milestone {
  from { opacity: 0.7; transform: scale(1); }
  to   { opacity: 0;   transform: scale(1.6); }
}

.process-step__title {
  font-size: 0.9375rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  margin-bottom: var(--space-2);
}

.process-step__text {
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
}

/* ── Ideas/Blog Cards ──────────────────────────────────────── */
.blog-card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34,197,94,0.3);
}

.blog-card__img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__img {
  transform: scale(1.04);
}

.blog-card__body {
  padding: var(--space-6);
}

.blog-card__cat {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-3);
}

.blog-card__title {
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  margin-bottom: var(--space-3);
  line-height: 1.35;
  transition: color var(--transition);
}

.blog-card:hover .blog-card__title {
  color: var(--clr-primary);
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--clr-border);
  font-size: 0.8125rem;
  color: var(--clr-text-subtle);
}

/* ── Contact Form ──────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-text);
  letter-spacing: 0.01em;
}

.form-control {
  width: 100%;
  padding: 0.8125rem 1rem;
  background: var(--clr-surface-3);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12);
}

.form-control::placeholder { color: var(--clr-text-subtle); }

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23858c97'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 2.5rem;
}

select.form-control option {
  background: var(--clr-surface-3);
  color: var(--clr-text);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-12);
}

.form-captcha {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
  min-height: 78px;
}

.form-captcha .h-captcha {
  max-width: 100%;
}

.form-success.show { display: block; }
.form-success__icon { font-size: 3rem; margin-bottom: var(--space-4); }
.form-success__title { font-size: 1.5rem; margin-bottom: var(--space-3); }

/* ── Contact Info Box ──────────────────────────────────────── */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--clr-primary-glow);
  border: 1px solid rgba(34,197,94,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--clr-primary);
}

.contact-item__label {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-subtle);
  margin-bottom: var(--space-1);
}

.contact-item__value {
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  color: var(--clr-white);
}

/* ── Values/Feature List ───────────────────────────────────── */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
}

.feature-item__check {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--clr-primary-glow);
  border: 1px solid rgba(34,197,94,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.feature-item__check svg {
  width: 12px;
  height: 12px;
  stroke: var(--clr-primary);
}

.feature-item__text {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}

/* ── Two-col layout ────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
}

.two-col--reverse { direction: rtl; }
.two-col--reverse > * { direction: ltr; }

.two-col__img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
}

.two-col__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.two-col__img-badge {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.two-col__img-badge-num {
  font-size: 1.5rem;
  font-weight: var(--fw-black);
  color: var(--clr-primary);
  line-height: 1;
}

.two-col__img-badge-label {
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
  line-height: 1.3;
}

/* ── Trends / Design ───────────────────────────────────────── */
.trend-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.trend-card--large { grid-column: span 2; aspect-ratio: 16/7; }
.trend-card--small { aspect-ratio: 4/3; }

.trend-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.trend-card:hover .trend-card__img {
  transform: scale(1.04);
}

.trend-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
}

.trend-card__tag {
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-2);
}

.trend-card__title {
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--clr-white);
}

.trend-card--large .trend-card__title {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
}

/* ── Stats Bar ─────────────────────────────────────────────── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stats-bar__item {
  background: var(--clr-surface-2);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.stats-bar__value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-black);
  color: var(--clr-white);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stats-bar__value span { color: var(--clr-primary); }

.stats-bar__label {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}

/* ── Page Hero (inner pages) ───────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(to bottom, var(--clr-surface) 0%, var(--clr-bg) 100%);
  border-bottom: 1px solid var(--clr-border);
}

.page-hero__eyebrow {
  font-size: 0.8rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-4);
}

.page-hero__title { margin-bottom: var(--space-4); }
.page-hero__lead { font-size: 1.125rem; color: var(--clr-text-muted); max-width: 640px; }

/* ── Breadcrumb ────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--clr-text-subtle);
  margin-bottom: var(--space-6);
}

.breadcrumb a { color: var(--clr-text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--clr-primary); }
.breadcrumb svg { width: 12px; height: 12px; stroke: currentColor; flex-shrink: 0; }

/* ── Accordion (Services detail) ───────────────────────────── */
.accordion { display: flex; flex-direction: column; gap: var(--space-2); }

.accordion-item {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.accordion-item.open {
  border-color: rgba(34,197,94,0.3);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  user-select: none;
}

.accordion-header:hover .accordion-title { color: var(--clr-primary); }

/* The item clips overflow, so keep the focus ring inside the header */
.accordion-header:focus-visible {
  outline-offset: -3px;
  border-radius: var(--radius-lg);
}

.accordion-title {
  font-size: 1.0625rem;
  font-weight: var(--fw-semibold);
  color: var(--clr-white);
  transition: color var(--transition);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--clr-text-muted);
  transition: transform var(--transition), color var(--transition);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
  color: var(--clr-primary);
}

/* Height snaps between 0 and auto; main.js animates the measured height in between */
.accordion-body {
  height: 0;
  overflow: hidden;
}

.accordion-item.open .accordion-body { height: auto; }

.accordion-content {
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.accordion-item.open .accordion-content { opacity: 1; }

.accordion-content {
  padding: 0 var(--space-6) var(--space-6);
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-5);
}

.accordion-content p { font-size: 0.9375rem; color: var(--clr-text-muted); margin-bottom: var(--space-4); }

.includes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-6);
}

.include-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}

.include-item::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--clr-primary);
  flex-shrink: 0;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
}

.footer__brand-name {
  display: inline-flex;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}

.footer__logo-image {
  display: block;
  width: min(100%, 200px);
  height: auto;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: var(--space-6);
}

.footer__contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  transition: color var(--transition);
  margin-bottom: var(--space-2);
}

.footer__contact-link:hover { color: var(--clr-primary); }

.footer__contact-link svg {
  width: 16px;
  height: 16px;
  stroke: var(--clr-primary);
  flex-shrink: 0;
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin-bottom: var(--space-4);
}

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

.footer__link {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  transition: color var(--transition);
}

.footer__link:hover { color: var(--clr-primary); }

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-block: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--clr-text-subtle);
}

.footer__lic {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--clr-text-subtle);
}

.partner-recognition {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-6);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  background: var(--clr-surface-2);
}

.partner-recognition__title { color: var(--clr-white); font-weight: var(--fw-semibold); margin-bottom: var(--space-1); }
.partner-recognition__text { font-size: 0.875rem; color: var(--clr-text-muted); }
.partner-recognition__links { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.partner-link--pending { opacity: 0.72; cursor: not-allowed; }

/* ── Motion ────────────────────────────────────────────────────
   Every hidden starting state lives under `.js` (set inline in <head>, with a
   3s failsafe) and `prefers-reduced-motion: no-preference`, so the page is
   fully visible without JS or with reduced motion. main.js strips the reveal
   classes once an element has arrived, restoring its own hover transitions. */

/* Page-to-page crossfade; the header keeps its place */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
}

html:not(.vt-filter)::view-transition-old(root) {
  animation: vt-page-out 0.18s ease-in both;
}

html:not(.vt-filter)::view-transition-new(root) {
  animation: vt-page-in 0.4s var(--ease-out) both;
}

@keyframes vt-page-out { to { opacity: 0; } }
@keyframes vt-page-in  { from { opacity: 0; transform: translateY(10px); } }

/* Projects filter: cards glide to their new slots */
::view-transition-group(*.project-card) {
  animation-duration: 0.5s;
  animation-timing-function: var(--ease-out);
}

::view-transition-new(*.project-card):only-child {
  animation: vt-card-in 0.4s var(--ease-out) both;
}

::view-transition-old(*.project-card):only-child {
  animation: vt-card-out 0.2s ease-in both;
}

@keyframes vt-card-in  { from { opacity: 0; transform: scale(0.94); } }
@keyframes vt-card-out { to   { opacity: 0; transform: scale(0.94); } }

@media (prefers-reduced-motion: no-preference) {
  /* Scroll reveals: text rises in, photos are uncovered from the bottom up */
  .js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    transition-delay: var(--reveal-delay, 0s);
  }

  .js .reveal--wipe {
    opacity: 1;
    transform: none;
    clip-path: inset(100% 0 0 0);
    transition: clip-path 1s var(--ease-inout);
    transition-delay: var(--reveal-delay, 0s);
  }

  .js .reveal--wipe :is(.project-card__img, .service-card__img, .trend-card__img, .two-col__img) {
    scale: 1.12;
    transition:
      scale 1.4s var(--ease-out) var(--reveal-delay, 0s),
      transform var(--transition-slow);
  }

  .js .reveal.visible {
    opacity: 1;
    transform: none;
  }

  .js .reveal--wipe.visible { clip-path: inset(0); }

  .js .reveal.visible :is(.project-card__img, .service-card__img, .trend-card__img, .two-col__img) {
    scale: 1;
  }

  .js .reveal-delay-1 { --reveal-delay: 0.1s; }
  .js .reveal-delay-2 { --reveal-delay: 0.2s; }
  .js .reveal-delay-3 { --reveal-delay: 0.3s; }
  .js .reveal-delay-4 { --reveal-delay: 0.4s; }
  .js .reveal-delay-5 { --reveal-delay: 0.5s; }

  /* Section tags: the green rule is drawn like a level line */
  .js .reveal .section-tag::before {
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.7s var(--ease-out) calc(var(--reveal-delay, 0s) + 0.3s);
  }

  .js .reveal.visible .section-tag::before { transform: none; }

  /* Hero entrance (home + inner pages): played once on load */
  .js .hero__img { animation: hero-settle 1.8s var(--ease-out) both; }

  .js :is(.hero__eyebrow, .page-hero__eyebrow, .breadcrumb) {
    animation: fade-in 0.6s var(--ease-out) 0.05s both;
  }

  .js .hero__eyebrow > span { animation: draw-x 0.7s var(--ease-out) 0.15s both; }

  .js .title-line > span { animation: rise 1s var(--ease-out) 0.12s both; }
  .js .title-line + .title-line > span { animation-delay: 0.2s; }

  .js :is(.hero__subtitle, .page-hero__lead) {
    animation: fade-up 0.8s var(--ease-out) 0.4s both;
  }

  .js .hero .btn-group { animation: fade-up 0.8s var(--ease-out) 0.5s both; }
  .js .hero__stats     { animation: fade-up 0.8s var(--ease-out) 0.65s both; }

  .js .hero__scroll {
    animation:
      fade-in 0.8s var(--ease-out) 1.2s both,
      scrollHint 2s ease-in-out 2s 3;
  }

  /* Gentle drift on case-study photos while they cross the viewport */
  /* The figure clips (and so is its own scroll container), so the photo
     follows the figure's view timeline rather than its own. */
  @supports (animation-timeline: view()) {
    .case-study__hero { view-timeline: --case-hero block; }

    .case-study__hero img {
      scale: 1.12;
      animation: drift linear both;
      animation-timeline: --case-hero;
    }
  }

  /* Reading progress under the header on long pages */
  @supports (animation-timeline: scroll()) {
    [data-read-progress] .header::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: -1px;
      height: 2px;
      background: var(--clr-primary);
      transform-origin: left;
      animation: draw-x linear both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes hero-settle { from { transform: scale(1.08); } }
@keyframes rise        { from { transform: translateY(110%); } }
@keyframes fade-in     { from { opacity: 0; } }
@keyframes fade-up     { from { opacity: 0; transform: translateY(16px); } }
@keyframes draw-x      { from { transform: scaleX(0); } }
@keyframes drift {
  from { translate: 0 -5%; }
  to   { translate: 0 5%; }
}

/* ── Toast notification ────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2000;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  transform: translateY(120%);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  max-width: 340px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast--success {
  background: rgba(34,197,94,0.15);
  border: 1px solid rgba(34,197,94,0.4);
  color: #86efac;
}

.toast--error {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.4);
  color: #fca5a5;
}

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  width: 64px;
  height: 3px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  margin-block: var(--space-4) var(--space-6);
}

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

.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-auto { margin-top: auto; }

/* ── Back to top ───────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  z-index: 1500;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition);
  pointer-events: none;
}

.back-to-top svg {
  width: 18px;
  height: 18px;
  stroke: var(--clr-text-muted);
}

.back-to-top.show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}

.back-to-top:hover svg { stroke: #000; }

/* ── Mobile overlay ────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 900;
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility 0s linear 0.4s;
}

.nav-overlay.show {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--transition-slow), visibility 0s;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav__logo-image { width: 176px; height: 38px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-steps::before,
  .process-steps::after { display: none; }
  .proof-band { grid-template-columns: repeat(2, 1fr); }
  .case-study__intro { grid-template-columns: 1fr; }
  .case-study__gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --container-pad: var(--space-5); }

  .nav__logo-image {
    width: 250px;
    height: 54px;
  }

  .footer__logo-image { width: min(100%, 220px); }
  .partner-recognition { align-items: flex-start; flex-direction: column; }

  /* Nav mobile */
  .nav__toggle {
    display: flex;
    position: relative;
    z-index: 960; /* stays above the open menu panel so it can close it */
  }

  .nav__menu li { width: 100%; }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100svh;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--clr-surface);
    border-left: 1px solid var(--clr-border);
    padding: calc(var(--nav-h) + var(--space-6)) var(--space-6) var(--space-6);
    z-index: 950;
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--transition-slow), visibility 0s linear 0.4s;
  }

  .nav__menu.open {
    transform: none;
    visibility: visible;
    transition: transform 0.5s var(--ease-out), visibility 0s;
  }

  .nav__link {
    width: 100%;
    padding: var(--space-4) var(--space-2);
    font-size: 1rem;
    border-bottom: 1px solid var(--clr-border);
  }

  .nav__link::after { display: none; }

  .nav__link--cta {
    margin-left: 0;
    margin-top: var(--space-4);
    width: 100%;
    text-align: center;
    justify-content: center;
    border-bottom: none;
  }

  /* Layouts */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .two-col--reverse { direction: ltr; }
  .form-grid { grid-template-columns: 1fr; }
  .includes-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }

  /* Process becomes a vertical timeline: circle on the left, copy beside it */
  .process-steps { grid-template-columns: 1fr; gap: 0; }

  .process-steps::before,
  .process-steps::after {
    display: block;
    top: var(--track-start, 28px);
    left: calc(var(--track-cross, 28px) - 1px);
    width: 2px;
    height: var(--track-length, calc(100% - 56px));
  }

  .process-steps::after {
    transform: scaleY(var(--progress, 0));
    transform-origin: top;
  }

  .process-step {
    display: grid;
    grid-template-columns: 56px 1fr;
    column-gap: var(--space-4);
    align-content: start;
    text-align: left;
    padding: 0 0 var(--space-6);
  }

  .process-step:last-child { padding-bottom: 0; }
  .process-step__num { grid-row: span 2; margin: 0; }
  .process-step__title { padding-top: 1rem; }
  .cta-banner { flex-direction: column; text-align: center; }
  .cta-banner__text { margin-inline: auto; }
  .hero__stats { gap: var(--space-6); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .trend-card--large { grid-column: span 1; aspect-ratio: 4/3; }
  .proof-band { grid-template-columns: 1fr; }
  .case-study__gallery { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .filter-bar { justify-content: flex-start; overflow-x: auto; padding-bottom: var(--space-2); scrollbar-width: thin; }
  .filter-btn { flex: 0 0 auto; }
  .page-hero { padding-block: calc(var(--nav-h) + var(--space-12)) var(--space-12); }
  input, textarea, select { font-size: 16px; }
}

@media (max-width: 480px) {
  .nav__logo-image {
    width: 214px;
    height: 46px;
  }

  .btn-group { flex-direction: column; align-items: flex-start; }
  .btn-group .btn { width: 100%; justify-content: center; }
  .footer__grid { grid-template-columns: 1fr; }
  .filter-bar { gap: var(--space-2); }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 640px; }
  .hero__content { padding-block: calc(var(--nav-h) + var(--space-12)) var(--space-12); }
  .hero__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
  .hero__stat-value { font-size: 1.125rem; }
  .hero__stat-label { font-size: 0.6875rem; }
  .section { padding-block: var(--space-12); }
  .page-hero__lead, .hero__subtitle { font-size: 1rem; }
  .contact-item__value { overflow-wrap: anywhere; }
}

@media (max-width: 768px) and (prefers-reduced-motion: no-preference) {
  .nav__menu.open li { animation: menu-item-in 0.5s var(--ease-out) both; }
  .nav__menu.open li:nth-child(1) { animation-delay: 0.08s; }
  .nav__menu.open li:nth-child(2) { animation-delay: 0.12s; }
  .nav__menu.open li:nth-child(3) { animation-delay: 0.16s; }
  .nav__menu.open li:nth-child(4) { animation-delay: 0.2s; }
  .nav__menu.open li:nth-child(5) { animation-delay: 0.24s; }
  .nav__menu.open li:nth-child(6) { animation-delay: 0.28s; }
  .nav__menu.open li:nth-child(7) { animation-delay: 0.32s; }
}

@keyframes menu-item-in { from { opacity: 0; transform: translateX(16px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}