/* =========================================
   HeyStartup — Main Stylesheet v2.0
   Dark AI Theme — Black / White / Red
   heystartup.co.uk
   ========================================= */

:root {
  /* Backgrounds — layered blacks */
  --clr-void:        #000000;
  --clr-bg:          #080808;
  --clr-bg-alt:      #0d0d0d;
  --clr-surface:     #111111;
  --clr-surface-2:   #181818;
  --clr-surface-3:   #1f1f1f;

  /* Borders */
  --clr-border:      rgba(255, 255, 255, 0.07);
  --clr-border-md:   rgba(255, 255, 255, 0.12);
  --clr-border-red:  rgba(229, 0, 26, 0.3);

  /* Typography */
  --clr-text:        #f0f0f0;
  --clr-text-dim:    rgba(240, 240, 240, 0.65);
  --clr-muted:       rgba(240, 240, 240, 0.38);
  --clr-white:       #ffffff;

  /* Red accent system */
  --clr-accent:      #e5001a;
  --clr-accent-dk:   #a8000f;
  --clr-accent-lt:   rgba(229, 0, 26, 0.08);
  --clr-accent-mid:  rgba(229, 0, 26, 0.18);
  --clr-accent-glow: rgba(229, 0, 26, 0.35);

  /* Fonts */
  --font-display:  'Sora', sans-serif;
  --font-body:     'DM Sans', sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  /* Shadows — dark-aware */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.7), 0 4px 16px rgba(0,0,0,0.5);
  --shadow-red: 0 0 24px rgba(229,0,26,0.25), 0 0 48px rgba(229,0,26,0.1);

  /* Motion */
  --transition:      200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 480ms cubic-bezier(0.4, 0, 0.2, 1);
  --max-w:           1160px;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 100px 0; }


/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

@keyframes pulse-red {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(229, 0, 26, 0.5);
  }
  50% {
    opacity: 0.75;
    transform: scale(1.3);
    box-shadow: 0 0 0 10px rgba(229, 0, 26, 0);
  }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 16px rgba(229,0,26,0.3), 0 0 32px rgba(229,0,26,0.1); }
  50%       { box-shadow: 0 0 32px rgba(229,0,26,0.6), 0 0 64px rgba(229,0,26,0.25); }
}

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

@keyframes float-slow {
  0%, 100% { transform: translateY(0px) scale(1); }
  33%       { transform: translateY(-24px) scale(1.03); }
  66%       { transform: translateY(12px) scale(0.97); }
}

@keyframes float-slow-2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50%       { transform: translateY(-18px) rotate(8deg); }
}

@keyframes connector-flow {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}

@keyframes scan-card {
  0%   { top: -4px; opacity: 1; }
  80%  { opacity: 0.6; }
  100% { top: calc(100% + 4px); opacity: 0; }
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes counter-arrive {
  0%   { color: var(--clr-accent); text-shadow: 0 0 24px rgba(229,0,26,0.6); }
  100% { color: var(--clr-text);   text-shadow: none; }
}

@keyframes step-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(229,0,26,0.5), 0 4px 20px rgba(229,0,26,0.3); }
  50%       { box-shadow: 0 0 0 12px rgba(229,0,26,0), 0 4px 32px rgba(229,0,26,0.6); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glitch-clip-1 {
  0%, 90%, 100% { clip-path: none; transform: none; }
  92%            { clip-path: polygon(0 10%, 100% 10%, 100% 20%, 0 20%); transform: translateX(-3px); }
  94%            { clip-path: polygon(0 55%, 100% 55%, 100% 65%, 0 65%); transform: translateX(3px); }
  96%            { clip-path: polygon(0 40%, 100% 40%, 100% 45%, 0 45%); transform: translateX(-2px); }
}

@keyframes border-march {
  0%   { background-position: 0% 0%, 100% 0%, 100% 100%, 0% 100%; }
  100% { background-position: 100% 0%, 100% 100%, 0% 100%, 0% 0%; }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes data-ping {
  0%   { transform: scale(1); opacity: 0.8; }
  70%  { transform: scale(2.5); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background var(--transition), border-color var(--transition),
              box-shadow var(--transition), transform var(--transition),
              color var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

/* Red on dark (primary) */
.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
}
.btn--primary:hover {
  background: var(--clr-accent-dk);
  border-color: var(--clr-accent-dk);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}
.btn--primary:active { transform: translateY(0); }

/* White on dark (ghost) */
.btn--ghost {
  background: transparent;
  color: var(--clr-text-dim);
  border-color: var(--clr-border-md);
}
.btn--ghost:hover {
  border-color: var(--clr-accent);
  color: var(--clr-text);
  box-shadow: 0 0 12px rgba(229,0,26,0.15);
}

/* Nav button */
.btn--nav {
  background: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
  padding: 8px 18px;
  font-size: 0.84rem;
}
.btn--nav:hover {
  background: var(--clr-accent-dk);
  border-color: var(--clr-accent-dk);
  box-shadow: var(--shadow-red);
}

/* Black on white (CTA section) */
.btn--white {
  background: var(--clr-white);
  color: var(--clr-void);
  border-color: var(--clr-white);
  font-size: 0.95rem;
}
.btn--white:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.3);
}

/* Black on red (outline on red bg) */
.btn--outline-dark {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.5);
}
.btn--outline-dark:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--clr-white);
}

.btn--lg { padding: 14px 30px; font-size: 0.95rem; }
.btn--full { width: 100%; }


/* ============================================
   NAV
   ============================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition),
              background var(--transition);
}
.nav.scrolled {
  border-bottom-color: var(--clr-border);
  box-shadow: 0 1px 0 rgba(229,0,26,0.1), var(--shadow-sm);
  background: rgba(8, 8, 8, 0.95);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: filter var(--transition), transform var(--transition);
}
.nav__logo:hover {
  filter: drop-shadow(0 0 10px rgba(229,0,26,0.55));
  transform: scale(1.03);
}

/* Nav bar logo — compact */
.nav__logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
  border-radius: 6px;
}

/* Footer logo — slightly larger */
.nav__logo-img--footer {
  height: 56px;
  filter: drop-shadow(0 0 8px rgba(229,0,26,0.3));
}

.nav__links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.nav__links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--clr-accent);
  transition: width var(--transition);
}
.nav__links a:hover { color: var(--clr-text); }
.nav__links a:hover::after { width: 100%; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(8,8,8,0.98);
  border-bottom: 1px solid var(--clr-border-red);
  z-index: 99;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 18px; }
.mobile-menu a { font-weight: 500; font-size: 1rem; color: var(--clr-text-dim); transition: color var(--transition); }
.mobile-menu a:hover { color: var(--clr-accent); }
.mobile-menu.open { display: block; }


/* ============================================
   HERO
   ============================================ */

.hero {
  padding: 160px 0 104px;
  position: relative;
  overflow: hidden;
  background: var(--clr-bg);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(229,0,26,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(229,0,26,0.03) 1px, transparent 1px);
  background-size: 52px 52px;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  pointer-events: none;
}
.blob--1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(229,0,26,0.12) 0%, transparent 70%);
  top: -250px; right: -120px;
  animation: float-slow 12s ease-in-out infinite;
}
.blob--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(229,0,26,0.07) 0%, transparent 70%);
  bottom: -150px; left: -100px;
  animation: float-slow-2 16s ease-in-out infinite;
}

/* Hero badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(229,0,26,0.08);
  border: 1px solid rgba(229,0,26,0.25);
  border-radius: 100px;
  padding: 7px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(240,240,240,0.85);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--clr-accent);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  animation: pulse-red 2.4s ease-in-out infinite;
}
.badge-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(229,0,26,0.2);
  animation: data-ping 2.4s ease-out infinite;
}

/* Headline */
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--clr-text);
  margin-bottom: 28px;
  max-width: 700px;
}
.gradient-text {
  background: linear-gradient(135deg, #ff4444 0%, var(--clr-accent) 40%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.typewriter-cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--clr-accent);
  margin-left: 3px;
  vertical-align: middle;
  border-radius: 2px;
  animation: blink-cursor 0.9s step-end infinite;
}

.hero__sub {
  font-size: 1.08rem;
  color: var(--clr-text-dim);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 40px;
}
.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Stats */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}
.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-text);
}
.stat__num.counted { animation: counter-arrive 0.8s ease forwards; }
.stat__label {
  display: block;
  font-size: 0.8rem;
  color: var(--clr-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.stat__divider {
  width: 1px; height: 40px;
  background: var(--clr-border-md);
}


/* ============================================
   TRUST BAR
   ============================================ */

.trust-bar {
  padding: 28px 0;
  background: var(--clr-void);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  overflow: hidden;
  position: relative;
}
.trust-bar::before,
.trust-bar::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.trust-bar::before {
  left: 0;
  background: linear-gradient(to right, var(--clr-void) 0%, transparent 100%);
}
.trust-bar::after {
  right: 0;
  background: linear-gradient(to left, var(--clr-void) 0%, transparent 100%);
}

.trust-bar__label {
  display: none;
}
.trust-bar__track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
  gap: 0;
}
.trust-bar__track:hover { animation-play-state: paused; }
.trust-bar__slide {
  display: flex;
  gap: 12px;
  padding: 0 6px;
}
.tech-pill {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--clr-muted);
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition);
  cursor: default;
}
.tech-pill:hover {
  color: var(--clr-text);
  border-color: var(--clr-border-red);
  background: var(--clr-accent-lt);
}


/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--clr-accent);
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid var(--clr-border-red);
  border-radius: 100px;
  background: var(--clr-accent-lt);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
  color: var(--clr-text);
}
.section-sub {
  font-size: 1rem;
  color: var(--clr-text-dim);
  line-height: 1.75;
}


/* ============================================
   SERVICES — black cards, red on hover
   ============================================ */

.services { background: var(--clr-bg); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 38px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow),
              background var(--transition-slow), transform var(--transition);
}

/* Animated top border */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%, var(--clr-accent) 50%, transparent 100%);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

/* Scan beam */
.service-card::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    transparent 0%, rgba(229,0,26,0.8) 50%, transparent 100%);
  opacity: 0;
  pointer-events: none;
}
.service-card:hover { transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover::after {
  opacity: 1;
  animation: scan-card 0.75s ease forwards;
}
.service-card:hover {
  border-color: var(--clr-border-red);
  background: var(--clr-surface-2);
  box-shadow: var(--shadow-lg), 0 0 32px rgba(229,0,26,0.08);
}

.service-card__icon {
  width: 52px; height: 52px;
  background: var(--clr-accent-lt);
  border: 1px solid var(--clr-border-red);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent);
  margin-bottom: 22px;
  transition: background var(--transition), box-shadow var(--transition);
}
.service-card:hover .service-card__icon {
  background: var(--clr-accent-mid);
  box-shadow: 0 0 20px rgba(229,0,26,0.2);
}

.service-card__num {
  position: absolute;
  top: 32px; right: 32px;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  letter-spacing: -0.03em;
  user-select: none;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--clr-text);
}
.service-card p {
  font-size: 0.92rem;
  color: var(--clr-text-dim);
  line-height: 1.68;
  margin-bottom: 22px;
}
.service-card__bullets {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 26px;
}
.service-card__bullets li {
  font-size: 0.84rem;
  color: var(--clr-text-dim);
  padding-left: 18px;
  position: relative;
}
.service-card__bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 5px;
  background: var(--clr-accent);
  border-radius: 50%;
}
.service-card__link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--clr-accent);
  transition: letter-spacing var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-card__link:hover { letter-spacing: 0.02em; }


/* ============================================
   HOW IT WORKS — red numbered circles
   ============================================ */

.how { background: var(--clr-bg-alt); }
.how__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}
.how__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}
.how__step-num {
  width: 56px; height: 56px;
  background: var(--clr-accent);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  animation: step-glow 3s ease-in-out infinite;
  flex-shrink: 0;
}
.how__step-num::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px dashed rgba(229,0,26,0.25);
  animation: spin-slow 12s linear infinite;
}
.how__step h3 {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--clr-text);
}
.how__step p {
  font-size: 0.88rem;
  color: var(--clr-text-dim);
  line-height: 1.68;
}

/* Animated connector — data pulse along wire */
.how__connector {
  flex: 0 0 auto;
  width: 64px;
  height: 2px;
  background: linear-gradient(90deg,
    var(--clr-accent) 0%,
    var(--clr-border) 40%,
    var(--clr-accent) 80%,
    var(--clr-border) 100%);
  background-size: 200% 100%;
  margin-top: 28px;
  animation: connector-flow 2.5s linear infinite;
}


/* ============================================
   WHY US — dark cards
   ============================================ */

.why { background: var(--clr-bg); }
.why__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 88px;
  align-items: center;
}
.why__left .section-sub { margin-bottom: 36px; }
.why__right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.why-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow),
              background var(--transition);
}
.why-card:hover {
  border-color: var(--clr-border-red);
  background: var(--clr-surface-2);
  box-shadow: 0 0 24px rgba(229,0,26,0.08);
}
.why-card__icon {
  width: 42px; height: 42px;
  background: var(--clr-accent-lt);
  border: 1px solid var(--clr-border-red);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent);
  transition: background var(--transition), box-shadow var(--transition);
}
.why-card:hover .why-card__icon {
  background: var(--clr-accent-mid);
  box-shadow: 0 0 16px rgba(229,0,26,0.2);
}
.why-card h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-text);
}
.why-card p {
  font-size: 0.85rem;
  color: var(--clr-text-dim);
  line-height: 1.62;
}


/* ============================================
   CTA BANNER — red bg, white/black text
   ============================================ */

.cta-banner {
  background: var(--clr-accent);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(135deg, rgba(0,0,0,0.2) 0%, transparent 50%, rgba(0,0,0,0.15) 100%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  top: 50%; right: -100px;
  transform: translateY(-50%);
  pointer-events: none;
  animation: float-slow 8s ease-in-out infinite;
}
.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-banner__left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.cta-banner__left p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
  max-width: 500px;
  line-height: 1.7;
}


/* ============================================
   CONTACT — dark form, red focus
   ============================================ */

.contact { background: var(--clr-bg-alt); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 88px;
  align-items: start;
}
.contact__left p {
  color: var(--clr-text-dim);
  line-height: 1.75;
  margin-bottom: 36px;
  font-size: 0.95rem;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--clr-text-dim);
}
.contact__detail svg { color: var(--clr-accent); flex-shrink: 0; }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text-dim);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--clr-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition),
              background var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(229,0,26,0.14);
  background: var(--clr-surface-2);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-muted); }
.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.form-group select option { background: var(--clr-surface); color: var(--clr-text); }
.form-group textarea { resize: vertical; min-height: 116px; }

/* Honeypot — visually hidden */
.form-group--honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* Submit button states */
.btn--submit { position: relative; overflow: hidden; }
.btn--submit .btn__spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin-slow 0.7s linear infinite;
}
.btn--submit.loading .btn__spinner { display: block; }
.btn--submit.loading .btn__label { opacity: 0.7; }

.form-success {
  display: none;
  background: rgba(229,0,26,0.08);
  border: 1px solid var(--clr-border-red);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: rgba(240,240,240,0.85);
  font-weight: 500;
}
.form-success.show { display: block; }

.form-error {
  display: none;
  background: rgba(229,0,26,0.06);
  border: 1px solid rgba(229,0,26,0.35);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: #ff6b6b;
  font-weight: 500;
}
.form-error.show { display: block; }


/* ============================================
   FOOTER — near-pure black
   ============================================ */

.footer {
  background: var(--clr-void);
  color: var(--clr-muted);
  padding: 64px 0 36px;
  border-top: 1px solid var(--clr-border);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 56px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.footer__brand .nav__logo { margin-bottom: 16px; }
.footer__brand .logo-mark { background: var(--clr-accent); }
.footer__brand .logo-text { color: var(--clr-text); }
.footer__brand p { font-size: 0.87rem; max-width: 240px; line-height: 1.68; }
.footer__links { display: flex; gap: 72px; }
.footer__col h5 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-text);
  margin-bottom: 18px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a { font-size: 0.87rem; transition: color var(--transition); }
.footer__col a:hover { color: var(--clr-accent); }
.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__bottom p { font-size: 0.8rem; }
.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: 0.8rem; transition: color var(--transition); }
.footer__legal a:hover { color: var(--clr-text); }


/* ============================================
   CAREERS
   ============================================ */

.careers { background: var(--clr-bg-alt); }

.careers__header { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.careers__intro  { font-size: 1.05rem; color: var(--clr-text-dim); margin-top: 16px; line-height: 1.7; }

/* Culture pillars */
.careers__pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.careers__pillar {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.careers__pillar:hover {
  border-color: var(--clr-border-red);
  transform: translateY(-4px);
}
.careers__pillar-icon {
  width: 48px; height: 48px;
  background: var(--clr-accent-lt);
  border: 1px solid var(--clr-accent-mid);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent);
  margin-bottom: 20px;
}
.careers__pillar h4 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
.careers__pillar p  { font-size: 0.88rem; color: var(--clr-text-dim); line-height: 1.65; }

.careers__cta { text-align: center; margin-top: 8px; }

/* Responsive — careers */
@media (max-width: 1024px) {
  .careers__pillars { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .careers__pillars { grid-template-columns: 1fr; }
}


/* ============================================
   USE CASES TEASER (homepage section)
   ============================================ */

.uc-teaser { background: var(--clr-bg-alt); }
.uc-teaser__header { text-align: center; max-width: 680px; margin: 0 auto 56px; }

.uc-teaser__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.uc-teaser__card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.uc-teaser__card:hover {
  border-color: var(--clr-border-red);
  transform: translateY(-3px);
}
.uc-teaser__card-flag {
  font-size: 1.1rem;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.uc-teaser__card-flag span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.uc-teaser__card h4 {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 10px; line-height: 1.4;
}
.uc-teaser__card p {
  font-size: 0.86rem;
  color: var(--clr-text-dim);
  line-height: 1.65;
}

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

@media (max-width: 768px) {
  .uc-teaser__grid { grid-template-columns: 1fr; }
}


/* ============================================
   FADE-UP INTERSECTION ANIMATIONS
   ============================================ */

.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
.delay-4 { transition-delay: 0.48s; }
.delay-5 { transition-delay: 0.60s; }


/* ============================================
   RESPONSIVE — mobile-first breakpoints
   1024 → tablet landscape
    768 → tablet portrait / mobile landscape
    600 → large mobile
    480 → small mobile
    360 → very small mobile
   ============================================ */

/* ---------- 1024px — tablet landscape ---------- */
@media (max-width: 1024px) {
  .why__inner             { gap: 56px; }
  .contact__inner         { gap: 56px; }
  .services__grid         { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .service-card           { padding: 28px; }
  .footer__links          { gap: 48px; }
}

/* ---------- 960px — tablet mid ---------- */
@media (max-width: 960px) {
  .how__steps             { flex-direction: column; align-items: flex-start; gap: 0; }
  .how__step              { flex-direction: row; text-align: left; align-items: flex-start;
                            padding: 0 0 40px 0; }
  .how__step-content      { padding-left: 24px; }
  .how__step-num          { flex-shrink: 0; }
  .how__connector         { width: 2px; height: 40px; margin: 0 0 0 27px;
                            background: linear-gradient(180deg, var(--clr-accent) 0%, var(--clr-border) 100%);
                            background-size: 100% 200%; animation: none; }
}

/* ---------- 768px — tablet portrait ---------- */
@media (max-width: 768px) {
  /* Nav */
  .nav__links, .btn--nav  { display: none; }
  .nav__burger            { display: flex; }
  .nav__inner             { height: 60px; gap: 16px; }

  /* Layout */
  .section                { padding: 72px 0; }
  .section-header         { margin-bottom: 48px; }
  .container              { padding: 0 20px; }

  /* Hero */
  .hero                   { padding: 104px 0 72px; }
  .hero__sub              { font-size: 1rem; }
  .hero__ctas             { gap: 12px; margin-bottom: 48px; }
  .hero__stats            { gap: 20px; }
  .stat__num              { font-size: 1.3rem; }

  /* Services — single column */
  .services__grid         { grid-template-columns: 1fr; gap: 14px; }
  .service-card           { padding: 26px; }

  /* Why */
  .why__inner             { grid-template-columns: 1fr; gap: 48px; }
  .why__right             { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  /* CTA banner */
  .cta-banner             { padding: 56px 0; }
  .cta-banner__inner      { flex-direction: column; align-items: flex-start; gap: 28px; }

  /* Contact */
  .contact__inner         { grid-template-columns: 1fr; gap: 48px; }
  .form-row               { grid-template-columns: 1fr; }

  /* Footer */
  .footer                 { padding: 48px 0 28px; }
  .footer__inner          { gap: 40px; margin-bottom: 40px; }
  .footer__links          { flex-direction: column; gap: 28px; }
  .footer__bottom         { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* Trust bar */
  .trust-bar::before,
  .trust-bar::after       { width: 60px; }
}

/* ---------- 600px — large mobile ---------- */
@media (max-width: 600px) {
  :root { --max-w: 100%; }

  .section                { padding: 60px 0; }
  .section-header         { margin-bottom: 40px; }

  /* Hero */
  .hero                   { padding: 92px 0 64px; }
  .hero__badge            { font-size: 0.75rem; padding: 6px 13px; }
  .hero__sub              { font-size: 0.97rem; }
  .hero__ctas             { flex-direction: column; gap: 10px; }
  .hero__ctas .btn        { width: 100%; justify-content: center; }
  .hero__stats            { gap: 16px; flex-wrap: wrap; row-gap: 16px; }
  .stat__divider          { display: none; }
  .hero__stats .stat      { min-width: 100px; }

  /* Service cards */
  .service-card           { padding: 22px; border-radius: var(--radius-md); }
  .service-card__num      { font-size: 1.4rem; top: 20px; right: 20px; }

  /* How */
  .how__step              { padding: 0 0 32px 0; }

  /* Why */
  .why__right             { grid-template-columns: 1fr; gap: 12px; }
  .why-card               { padding: 20px; }

  /* CTA */
  .cta-banner             { padding: 48px 0; }
  .cta-banner__right .btn { width: 100%; justify-content: center; }

  /* Contact — collapse left panel to just details row */
  .contact__left .section-title,
  .contact__left > p      { display: none; }
  .contact__left          { padding-bottom: 0; }
  .contact__inner         { gap: 32px; }

  /* Footer */
  .footer__inner          { flex-direction: column; gap: 36px; }
  .footer__brand p        { max-width: 100%; }
}

/* ---------- 480px — small mobile ---------- */
@media (max-width: 480px) {
  .container              { padding: 0 16px; }
  .section                { padding: 52px 0; }

  /* Nav */
  .nav__inner             { height: 56px; padding: 0 16px; }
  .mobile-menu            { top: 56px; padding: 20px 16px; }
  .nav__logo-img          { height: 36px; }

  /* Hero */
  .hero                   { padding: 84px 0 56px; }
  .hero__ctas .btn--lg    { padding: 13px 24px; font-size: 0.9rem; }
  .hero__stats            { gap: 14px; }
  .stat__num              { font-size: 1.2rem; }

  /* Buttons full-width in forms */
  .btn--full              { padding: 14px 20px; }

  /* Service */
  .service-card           { padding: 20px; }
  .service-card__icon     { width: 44px; height: 44px; }
  .service-card h3        { font-size: 1rem; }

  /* Why cards */
  .why-card               { padding: 18px; flex-direction: row; align-items: flex-start; }
  .why-card__icon         { flex-shrink: 0; }

  /* How */
  .how__step-num          { width: 44px; height: 44px; font-size: 1rem; }
  .how__connector         { height: 32px; margin-left: 21px; }

  /* Footer */
  .footer__legal          { flex-direction: column; gap: 10px; }
  .footer__links          { gap: 24px; }
}

/* ---------- 360px — very small mobile ---------- */
@media (max-width: 360px) {
  .container              { padding: 0 14px; }
  .hero__badge            { font-size: 0.7rem; padding: 5px 10px; }
  .section-tag            { font-size: 0.65rem; }
  .service-card           { padding: 16px; }
  .why-card               { padding: 14px; }
  .btn--lg                { padding: 12px 18px; font-size: 0.88rem; }
  .footer__col h5         { font-size: 0.72rem; }
}