/* ============================================================
   BreviBot.com Global Stylesheet
   Light theme · Blue (#0066FF) + Violet (#7C3AED) accent
   ============================================================ */

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

html,
body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  color: inherit;
}

/* -- Design tokens ------------------------------------------- */
:root {
  /* Palette */
  --color-primary: #0066FF;
  --color-primary-soft: #E6F0FF;
  --color-primary-hover: #0052CC;
  --color-accent: #7C3AED;
  --color-accent-soft: #F3E8FF;
  --color-accent-hover: #6D28D9;
  --color-ink: #0F172A;
  --color-body: #475569;
  --color-muted: #94A3B8;
  --color-surface: #FFFFFF;
  --color-surface-soft: #F8FAFC;
  --color-surface-tint: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #0066FF 0%, #7C3AED 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(124, 58, 237, 0.08));

  /* Spacing scale (8px base) */
  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --space-5xl: 7.5rem;
  --space-6xl: 10rem;

  /* Container */
  --container-max: 1200px;
  --container-padding-inline: clamp(1rem, 4vw, 2rem);

  /* Header */
  --header-height: 80px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 10px rgba(15, 23, 42, 0.06), 0 8px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.08), 0 24px 60px rgba(15, 23, 42, 0.10);
  --shadow-brand: 0 10px 30px rgba(0, 102, 255, 0.18), 0 4px 12px rgba(124, 58, 237, 0.14);

  /* Type scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --line-tight: 1.15;
  --line-snug: 1.35;
  --line-base: 1.6;
  --line-loose: 1.75;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* -- Base ---------------------------------------------------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-base);
  color: var(--color-body);
  background: var(--color-surface);
  overflow-x: hidden;
  font-feature-settings: "kern", "liga", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink);
  font-weight: 800;
  line-height: var(--line-tight);
  letter-spacing: -0.02em;
}

p { line-height: var(--line-base); }

::selection {
  background: var(--color-primary);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-nav {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-nav:focus { top: 0; }

main { display: block; }

/* -- Layout helpers ------------------------------------------ */
.section-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-inline);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.section-lede {
  font-size: 1.125rem;
  color: var(--color-body);
  line-height: var(--line-loose);
}

/* -- Buttons -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  text-decoration: none;
  transition: transform 0.2s var(--ease-out),
              box-shadow 0.2s var(--ease-out),
              background 0.2s var(--ease-out),
              color 0.2s var(--ease-out),
              border-color 0.2s var(--ease-out);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0, 102, 255, 0.25), 0 6px 16px rgba(124, 58, 237, 0.20);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover {
  background: var(--color-surface-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--white {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
.btn--white:hover {
  transform: translateY(-2px);
  background: var(--color-ink);
  color: #fff;
}

.btn--ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

/* -- Header --------------------------------------------------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  z-index: 100;
  transition: background 0.3s var(--ease-out),
              box-shadow 0.3s var(--ease-out),
              border-color 0.3s var(--ease-out),
              transform 0.3s var(--ease-out);
  border-bottom: 1px solid var(--color-border);
}

.site-header--transparent {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

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

.site-header__inner {
  max-width: var(--container-max);
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--container-padding-inline);
  /* 3-column grid so the middle nav column is truly centered on the page,
     independent of how wide the logo or the right group are. */
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-lg);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  height: 100%;
  padding-block: 12px;
}
.site-header__logo img {
  height: 52px;
  width: auto;
  display: block;
  transition: filter 0.3s var(--ease-out);
}
.site-header--transparent .site-header__logo img {
  /* Logo PNG has cyan "Brevi" + dark navy "bot" + cyan wave. The dark navy
     half disappears against the dark hero. Convert to solid white here so
     the full wordmark reads. Brand colors return once the header turns
     white (is-scrolled). */
  filter: brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
}
.site-header.is-scrolled .site-header__logo img { filter: none; }

.site-header__nav {
  display: flex;
  justify-self: center;
}
.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.site-header__nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color 0.2s var(--ease-out);
}
.site-header__nav-link::after {
  content: '';
  position: absolute;
  inset-block-end: -2px;
  inset-inline-start: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  transition: width 0.3s var(--ease-out);
}
.site-header__nav-link:hover,
.site-header__nav-link.is-current {
  color: var(--color-ink);
}
.site-header__nav-link:hover::after,
.site-header__nav-link.is-current::after {
  width: 100%;
}

.site-header--transparent .site-header__nav-link {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
}
.site-header--transparent .site-header__nav-link:hover,
.site-header--transparent .site-header__nav-link.is-current {
  color: #fff;
}

.site-header.is-scrolled .site-header__nav-link {
  color: var(--color-ink);
  font-weight: 600;
}
.site-header.is-scrolled .site-header__nav-link:hover,
.site-header.is-scrolled .site-header__nav-link.is-current {
  color: var(--color-primary);
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-self: end;
}

.site-header__socials {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.site-header__socials a {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.site-header__socials a:hover {
  background: var(--gradient-brand);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand);
}

/* Brand-specific hover colors give each icon a recognizable accent on hover */
.site-header__socials a[data-social="linkedin"]:hover { background: #0A66C2; box-shadow: 0 8px 20px rgba(10, 102, 194, 0.35); }
.site-header__socials a[data-social="instagram"]:hover {
  background: linear-gradient(45deg, #F58529 0%, #DD2A7B 50%, #8134AF 100%);
  box-shadow: 0 8px 20px rgba(221, 42, 123, 0.35);
}
.site-header__socials a[data-social="youtube"]:hover { background: #FF0000; box-shadow: 0 8px 20px rgba(255, 0, 0, 0.35); }

.site-header--transparent .site-header__socials a {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  backdrop-filter: blur(8px);
}
.site-header--transparent .site-header__socials a:hover {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.25);
}

.site-header.is-scrolled .site-header__socials a {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.site-header__cta { padding: var(--space-sm) var(--space-lg); }

/* Mobile menu toggle */
.site-header__menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  position: relative;
}
.site-header__menu-toggle span {
  position: absolute;
  inset-inline: 8px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.2s, top 0.3s;
}
.site-header__menu-toggle span:nth-child(1) { top: 12px; }
.site-header__menu-toggle span:nth-child(2) { top: 19px; }
.site-header__menu-toggle span:nth-child(3) { top: 26px; }
.site-header__menu-toggle.is-active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.site-header__menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.site-header__menu-toggle.is-active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

.site-header--transparent .site-header__menu-toggle { color: #fff; }
.site-header.is-scrolled .site-header__menu-toggle { color: var(--color-ink); }
.site-header__menu-toggle { color: var(--color-ink); }

/* -- Mobile menu --------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  z-index: 90;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu[hidden] { display: none; }

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.mobile-menu__link {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu__link.is-current { color: var(--color-primary); }
.mobile-menu__cta {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: var(--space-xl);
}
.mobile-menu__socials {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.9rem;
  color: var(--color-muted);
}
.mobile-menu__socials a:hover { color: var(--color-primary); }

body.is-locked { overflow: hidden; }

/* -- Hero ---------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding-block: calc(var(--header-height) + var(--space-3xl)) var(--space-3xl);
  padding-inline: var(--container-padding-inline);
  overflow: hidden;
  isolation: isolate;
  background: var(--color-ink);
  color: #fff;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at top left, rgba(124, 58, 237, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse at top right, rgba(0, 102, 255, 0.30) 0%, transparent 55%),
    linear-gradient(180deg, #0B1224 0%, #0F172A 60%, #111A33 100%);
}

.hero__mesh {
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.45), transparent 35%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.45), transparent 35%),
    radial-gradient(circle at 60% 80%, rgba(0, 180, 216, 0.35), transparent 40%),
    radial-gradient(circle at 30% 90%, rgba(124, 58, 237, 0.30), transparent 45%);
  filter: blur(40px) saturate(140%);
  opacity: 0.85;
  animation: brv-mesh-drift 24s ease-in-out infinite alternate;
}

@keyframes brv-mesh-drift {
  0%   { transform: translate(0%, 0%) scale(1); }
  50%  { transform: translate(2%, -2%) scale(1.05); }
  100% { transform: translate(-2%, 2%) scale(1); }
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
}
.hero__glow--1 {
  width: 480px; height: 480px;
  top: -120px; left: -120px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.7), transparent 60%);
  animation: brv-float-a 18s ease-in-out infinite;
}
.hero__glow--2 {
  width: 520px; height: 520px;
  top: 10%; right: -160px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.6), transparent 60%);
  animation: brv-float-b 22s ease-in-out infinite;
}
.hero__glow--3 {
  width: 420px; height: 420px;
  bottom: -160px; left: 30%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.5), transparent 60%);
  animation: brv-float-c 26s ease-in-out infinite;
}

@keyframes brv-float-a { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(40px, 30px); } }
@keyframes brv-float-b { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-40px, 40px); } }
@keyframes brv-float-c { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(30px, -30px); } }

.hero__noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.hero__dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
  transition: transform 0.4s var(--ease-out);
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
}

.hero__inner {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(8px);
}

.hero__headline {
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: #fff;
  margin-bottom: var(--space-lg);
  text-wrap: balance;
}
.hero__headline span {
  background: linear-gradient(90deg, #7DD3FC 0%, #C4B5FD 50%, #F0ABFC 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subline {
  font-size: clamp(1.125rem, 2.2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-md);
  min-height: 1.5em;
}
.hero__typing {
  color: #fff;
  font-weight: 600;
  position: relative;
  padding-right: 2px;
}
.hero__typing::after {
  content: '|';
  display: inline-block;
  margin-left: 2px;
  color: #7DD3FC;
  animation: brv-blink 1s steps(2, end) infinite;
}
@keyframes brv-blink { 50% { opacity: 0; } }

.hero__description {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 720px;
  margin: 0 auto var(--space-2xl);
  line-height: var(--line-loose);
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

.hero__ctas .btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.hero__ctas .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-lg);
  max-width: 720px;
  margin: 0 auto;
}
.hero__stat {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
}
.hero__stat-value {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}
.hero__stat-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.3;
}

.hero__scroll {
  position: absolute;
  inset-block-end: var(--space-xl);
  inset-inline: 0;
  display: flex;
  justify-content: center;
  color: rgba(255, 255, 255, 0.55);
  animation: brv-scroll-pulse 2.2s ease-in-out infinite;
}
@keyframes brv-scroll-pulse {
  0%, 100% { transform: translateY(0); opacity: 0.55; }
  50%      { transform: translateY(8px); opacity: 1; }
}

/* -- Services ------------------------------------------------- */
.services {
  padding-block: clamp(var(--space-3xl), 8vw, var(--space-5xl));
  background: var(--color-surface);
}

/* Single column: each service is a full-width row, stacked vertically. */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 940px;
  margin-inline: auto;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
  overflow: hidden;
  isolation: isolate;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand-soft);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
  z-index: -1;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }

/* Flagship card stands out with a brand outline and softer brand shadow. */
.service-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 12px 30px rgba(0, 102, 255, 0.12), 0 4px 12px rgba(124, 58, 237, 0.10);
}

.service-card__body {
  display: flex;
  flex-direction: column;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1.6rem;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-brand);
}

.service-card__badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-xs);
}

.service-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--space-2xs);
  color: var(--color-ink);
}
.service-card__tagline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}
.service-card__description {
  color: var(--color-body);
  line-height: var(--line-loose);
}

.service-card__panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  border-block-start: 1px solid var(--color-border);
  padding-block-start: var(--space-lg);
}
.service-card__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.service-card__bullets li {
  position: relative;
  padding-inline-start: 1.75rem;
  color: var(--color-ink);
  font-size: 0.95rem;
  line-height: 1.5;
}
.service-card__bullets li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.3em;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--gradient-brand);
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4Z'/></svg>") center / 70% no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4Z'/></svg>") center / 70% no-repeat;
}
.service-card__cta {
  align-self: flex-start;
}
.service-card__cta span {
  transition: transform 0.2s;
}
.service-card:hover .service-card__cta span { transform: translateX(4px); }

/* Desktop: two panels side by side so each card reads as a full-width row. */
@media (min-width: 768px) {
  .service-card {
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-3xl);
    padding: var(--space-3xl);
  }
  .service-card__body {
    flex: 1 1 55%;
    justify-content: center;
  }
  .service-card__panel {
    flex: 1 1 45%;
    justify-content: space-between;
    border-block-start: 0;
    padding-block-start: 0;
    border-inline-start: 1px solid var(--color-border);
    padding-inline-start: var(--space-2xl);
  }
}

/* -- Companies marquee --------------------------------------- */
.marquee {
  padding-block: var(--space-2xl);
  background: var(--color-surface);
  border-block-end: 1px solid var(--color-border);
}
.marquee__inner {
  max-width: var(--container-max);
  margin-inline: auto;
}
.marquee__label {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
}
.marquee__viewport {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 80px, #000 calc(100% - 80px), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 80px, #000 calc(100% - 80px), transparent);
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  width: max-content;
  animation: brv-marquee 38s linear infinite;
}
.marquee__viewport:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding-inline: var(--space-sm);
}
.marquee__logo {
  height: 44px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  /* Logos show in full brand color. */
  transition: transform 0.3s var(--ease-out);
}
.marquee__item:hover .marquee__logo {
  transform: scale(1.05);
}
/* When a real logo loads, hide the wordmark fallback for that item. */
.marquee__item.has-logo .marquee__wordmark {
  display: none;
}
.marquee__wordmark {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--company-color, #475569);
  white-space: nowrap;
  display: inline-block;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
  opacity: 0.85;
}
.marquee__item:hover .marquee__wordmark {
  transform: scale(1.05);
  opacity: 1;
}

@keyframes brv-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* -- Reviews -------------------------------------------------- */
.reviews {
  padding-block: clamp(var(--space-3xl), 8vw, var(--space-5xl));
  background: var(--color-surface-soft);
  overflow: hidden;
}

.reviews-marquee {
  position: relative;
  margin-top: var(--space-xl);
}
.reviews-marquee__track {
  display: flex;
  gap: var(--space-lg);
  width: max-content;
  animation: brv-reviews-marquee 60s linear infinite;
  padding-inline: var(--space-md);
}
.reviews-marquee:hover .reviews-marquee__track { animation-play-state: paused; }
.reviews-marquee__item { flex: 0 0 auto; width: clamp(280px, 25vw, 320px); display: flex; }

.reviews-marquee__edge {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  pointer-events: none;
  z-index: 2;
}
.reviews-marquee__edge--left {
  left: 0;
  background: linear-gradient(90deg, var(--color-surface-soft) 0%, rgba(248, 250, 252, 0) 100%);
}
.reviews-marquee__edge--right {
  right: 0;
  background: linear-gradient(270deg, var(--color-surface-soft) 0%, rgba(248, 250, 252, 0) 100%);
}

@keyframes brv-reviews-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.review-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 6px 18px rgba(15, 23, 42, 0.06);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
  width: 100%;
  min-height: 240px;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 6px 14px rgba(15, 23, 42, 0.08),
    0 18px 40px rgba(0, 102, 255, 0.10);
  border-color: var(--color-primary-soft);
}

.review-card__head {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: var(--space-sm);
}
.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-brand);
}
.review-card__meta { min-width: 0; }
.review-card__name {
  font-weight: 700;
  color: var(--color-ink);
  font-size: 0.95rem;
  line-height: 1.2;
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.review-card__role {
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.2;
}
.review-card__rating {
  display: inline-flex;
  gap: 2px;
}
.review-card__quote {
  margin: 0;
  color: var(--color-ink);
  font-size: 0.95rem;
  line-height: 1.55;
  font-weight: 400;
  flex: 1;
}
.review-card__quote p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  line-clamp: 6;
  overflow: hidden;
  margin: 0;
}
.review-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* -- Process -------------------------------------------------- */
.process {
  padding-block: clamp(var(--space-3xl), 8vw, var(--space-5xl));
  background: var(--color-surface);
}

.process__list {
  display: grid;
  gap: var(--space-lg);
  max-width: 820px;
  margin-inline: auto;
  position: relative;
}

.process__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  align-items: start;
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.process__item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary-soft);
}

.process__num {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.5rem;
  background: var(--gradient-brand);
  color: #fff;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  letter-spacing: -0.02em;
  box-shadow: var(--shadow-brand);
}

.process__title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: var(--space-2xs);
}
.process__description { color: var(--color-body); line-height: 1.6; }

/* -- Projects teaser ----------------------------------------- */
.projects-teaser {
  padding-block: clamp(var(--space-3xl), 8vw, var(--space-5xl));
  background: var(--color-surface-soft);
}

.projects-teaser__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1100px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.project-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  color: inherit;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.project-card__visual {
  aspect-ratio: 16 / 9;
  background: var(--gradient-brand);
  position: relative;
  overflow: hidden;
}
.project-card__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.3), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.2), transparent 40%);
}
.project-card__visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}
.project-card__visual-label {
  position: relative;
  z-index: 1;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  text-align: center;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.project-card__body { padding: var(--space-lg); }
.project-card__name {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}
.project-card__tagline {
  color: var(--color-body);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  line-height: 1.5;
}
.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.95rem;
}
.project-card:hover .project-card__link span { transform: translateX(4px); }
.project-card__link span { transition: transform 0.2s; display: inline-block; }

.projects-teaser__cta { text-align: center; }

/* -- CTA banner ---------------------------------------------- */
.cta-banner {
  padding-block: clamp(var(--space-3xl), 8vw, var(--space-5xl));
  padding-inline: var(--container-padding-inline);
}

.cta-banner__inner {
  position: relative;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: clamp(var(--space-2xl), 6vw, var(--space-4xl));
  border-radius: var(--radius-xl);
  background: var(--gradient-brand);
  color: #fff;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-lg);
}

.cta-banner__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.25), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.15), transparent 50%);
  z-index: -1;
}

.cta-banner__heading {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.cta-banner__subline {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.6;
}
.cta-banner__ctas {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* -- Footer --------------------------------------------------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-3xl) var(--space-xl);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-inline);
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--space-md);
}
.site-footer__logo img {
  height: 56px;
  width: auto;
  display: block;
  /* The wordmark is cyan "Brevi" + dark navy "bot". The dark navy half would
     vanish on the dark footer, so render the whole logo solid white. */
  filter: brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.25));
}

.site-footer__tagline {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
  max-width: 320px;
}

.site-footer__socials {
  display: flex;
  gap: var(--space-xs);
}
.site-footer__socials a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.site-footer__socials a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.site-footer__columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-xl);
}

.site-footer__col-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-md);
}
.site-footer__col-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.site-footer__col-list a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color 0.2s;
}
.site-footer__col-list a:hover { color: #fff; }

.site-footer__bottom {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-inline);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}
.site-footer__bottom a { color: rgba(255, 255, 255, 0.7); transition: color 0.2s; }
.site-footer__bottom a:hover { color: #fff; }

/* -- Stub page --------------------------------------------- */
.stub-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-5xl) var(--container-padding-inline);
  text-align: center;
  background: var(--color-surface-soft);
}
.stub-page h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
}
.stub-page p {
  max-width: 540px;
  margin-bottom: var(--space-xl);
  color: var(--color-body);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* -- Animations -------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children of services / process / projects grids */
.services__grid .fade-up.is-visible:nth-child(2) { transition-delay: 0.1s; }
.process__list .fade-up.is-visible:nth-child(2) { transition-delay: 0.08s; }
.process__list .fade-up.is-visible:nth-child(3) { transition-delay: 0.16s; }
.process__list .fade-up.is-visible:nth-child(4) { transition-delay: 0.24s; }
.process__list .fade-up.is-visible:nth-child(5) { transition-delay: 0.32s; }
.projects-teaser__grid .fade-up.is-visible:nth-child(2) { transition-delay: 0.1s; }
.projects-teaser__grid .fade-up.is-visible:nth-child(3) { transition-delay: 0.2s; }

.hero .fade-up { transition-delay: 0s; }
.hero .fade-up:nth-of-type(2) { transition-delay: 0.08s; }
.hero .fade-up:nth-of-type(3) { transition-delay: 0.16s; }
.hero .fade-up:nth-of-type(4) { transition-delay: 0.24s; }
.hero .fade-up:nth-of-type(5) { transition-delay: 0.32s; }

/* -- Responsive ------------------------------------------- */
@media (max-width: 980px) {
  .site-footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 880px) {
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  /* Collapse to two-column grid: logo left, hamburger right */
  .site-header__inner {
    grid-template-columns: 1fr auto;
  }
  .site-header__nav,
  .site-header__right { display: none; }
  .site-header__menu-toggle { display: inline-block; }

  .hero__inner { padding-block: var(--space-md); }
  .hero__ctas .btn { width: 100%; justify-content: center; }

  .marquee__track { gap: var(--space-2xl); animation-duration: 22s; }
  .marquee__wordmark { font-size: 1.2rem; }

  .reviews-marquee__item { width: 280px; }
  .reviews-marquee__track { animation-duration: 45s; }
}

@media (max-width: 480px) {
  .hero { padding-block: calc(var(--header-height) + var(--space-xl)) var(--space-2xl); }
  .hero__headline { font-size: 2rem; }
  .hero__stat-value { font-size: 1.5rem; }
}

/* -- Reduced motion -------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up { opacity: 1; transform: none; }
  .hero__mesh, .hero__glow, .hero__scroll { animation: none; }
  .marquee__track, .reviews-marquee__track { animation: none; }
}