/* ============================================================
   CLICKTOACTION — Styles
   Premium Digital Marketing Agency · Ciudad de México
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS Custom Properties ───────────────────────────────── */
:root {
  /* Colors */
  --clr-primary:     #046BD2;
  --clr-primary-dk:  #045CB4;
  --clr-dark:        #0F1729;
  --clr-navy:        #1B2E4B;
  --clr-navy-light:  #253755;
  --clr-bg-light:    #F0F5FA;
  --clr-white:       #FFFFFF;
  --clr-text-dark:   #0F1729;
  --clr-text-mid:    #3D5170;
  --clr-text-light:  #7A90AD;
  --clr-border:      #E2EAF4;
  --clr-glass-bg:    rgba(255, 255, 255, 0.05);
  --clr-glass-border:rgba(255, 255, 255, 0.10);

  /* Gradients */
  --grad-primary:    linear-gradient(135deg, #046BD2 0%, #045CB4 100%);
  --grad-dark:       linear-gradient(135deg, #0F1729 0%, #1B2E4B 100%);
  --grad-hero:       linear-gradient(135deg, #0F1729 0%, #0a1220 50%, #0d1a30 100%);

  /* Spacing scale */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2rem;
  --sp-xl:  3rem;
  --sp-2xl: 5rem;
  --sp-3xl: 8rem;

  /* Typography */
  --ff-head: 'Outfit', sans-serif;
  --ff-body: 'Inter', sans-serif;
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  2rem;
  --fs-3xl:  2.75rem;
  --fs-4xl:  3.75rem;
  --fs-5xl:  5rem;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --shadow-sm: 0 2px 8px rgba(4, 107, 210, 0.08);
  --shadow-md: 0 8px 32px rgba(4, 107, 210, 0.12);
  --shadow-lg: 0 24px 64px rgba(4, 107, 210, 0.18);
  --shadow-glow: 0 0 40px rgba(4, 107, 210, 0.35);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--clr-text-dark);
  background: var(--clr-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, video, svg { display: block; max-width: 100%; }
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; }
h1,h2,h3,h4,h5,h6 { font-family: var(--ff-head); font-weight: 700; line-height: 1.15; }

/* ── Utility ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-md);
}
.container--narrow {
  max-width: 780px;
}
.container--wide {
  max-width: 1400px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: rgba(4, 107, 210, 0.08);
  border: 1px solid rgba(4, 107, 210, 0.18);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: var(--sp-md);
}
.section-tag--light {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}
.section-title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--sp-md);
}
.section-subtitle {
  font-size: var(--fs-md);
  color: var(--clr-text-mid);
  max-width: 560px;
  line-height: 1.7;
}
.section-subtitle--light { color: rgba(255,255,255,0.7); }
.section-header { text-align: center; margin-bottom: var(--sp-2xl); }
.section-header .section-subtitle { margin: 0 auto; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-head);
  font-size: var(--fs-base);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  transition: var(--transition);
  letter-spacing: 0.01em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn--primary {
  background: var(--grad-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 20px rgba(4, 107, 210, 0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(4, 107, 210, 0.55);
}
.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid rgba(255,255,255,0.35);
}
.btn--outline:hover {
  border-color: var(--clr-white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}
.btn--outline-blue {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}
.btn--outline-blue:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(4,107,210,0.3);
}
.btn--light {
  background: var(--clr-white);
  color: var(--clr-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.btn--light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.btn--lg {
  font-size: var(--fs-lg);
  padding: 18px 40px;
}
.btn svg { flex-shrink: 0; transition: transform var(--transition); }
.btn:hover svg { transform: translateX(3px); }

/* ── NAV ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 24px rgba(15,23,41,0.08);
  padding: 14px 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}
.nav__logo-mark {
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.nav__logo:hover .nav__logo-mark { transform: rotate(8deg) scale(1.05); }
.nav__logo-mark .q-arc   { transition: stroke 0.3s; }
.nav__logo-mark .q-tail  { transition: stroke 0.3s; }
.nav__logo-mark .q-cross { transition: stroke 0.3s; }
/* Dark bg: white mark */
.nav__logo-mark .q-arc,
.nav__logo-mark .q-tail  { stroke: #FFFFFF; }
.nav__logo-mark .q-cross { stroke: rgba(255,255,255,0.55); }
/* Scrolled: dark mark */
.nav.scrolled .nav__logo-mark .q-arc,
.nav.scrolled .nav__logo-mark .q-tail  { stroke: #0A0A1A; }
.nav.scrolled .nav__logo-mark .q-cross { stroke: rgba(10,10,26,0.35); }
.nav__logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
}
.nav__logo-primary {
  font-family: var(--ff-head);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--clr-white);
  transition: color var(--transition);
  text-transform: uppercase;
}
.nav__logo-sub {
  font-family: var(--ff-head);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.42em;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
  text-transform: uppercase;
}
.nav.scrolled .nav__logo-primary { color: #0A0A1A; }
.nav.scrolled .nav__logo-sub     { color: rgba(10,10,26,0.38); }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}
.nav__link {
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-primary);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }
.nav__link:hover { color: var(--clr-white); }
.nav.scrolled .nav__link { color: var(--clr-text-mid); }
.nav.scrolled .nav__link:hover { color: var(--clr-primary); }
.nav.scrolled .nav__link.active { color: var(--clr-primary); }
.nav__cta .btn--primary {
  font-size: var(--fs-sm);
  padding: 10px 22px;
}
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--transition);
}
.nav.scrolled .nav__hamburger span { background: var(--clr-dark); }
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15,23,41,0.98);
  backdrop-filter: blur(20px);
  z-index: 1100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.nav__mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}
.nav__mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
}
.nav__mobile-link {
  font-family: var(--ff-head);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--clr-white);
  transition: color var(--transition);
}
.nav__mobile-link:hover { color: var(--clr-primary); }
.nav__mobile-accordion {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--ff-head);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--clr-white);
  transition: color var(--transition);
  padding: 0;
}
.nav__mobile-accordion:hover { color: var(--clr-primary); }
.nav__mobile-accordion.open svg { transform: rotate(180deg); }
.nav__mobile-submenu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
  animation: fadeInUp 0.25s ease both;
}
.nav__mobile-sublink {
  font-family: var(--ff-head);
  font-size: var(--fs-base);
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
  text-decoration: none;
  padding: 4px 0;
}
.nav__mobile-sublink:hover { color: var(--clr-primary); }
.nav__mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-white);
  font-size: 28px;
  cursor: pointer;
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--clr-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px var(--sp-md) var(--sp-3xl);
}

/* Animated gradient orbs */
.hero__orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  will-change: transform;
}
.hero__orb--1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #046BD2 0%, transparent 70%);
  top: -200px;
  left: -200px;
  animation: orbFloat1 18s ease-in-out infinite;
}
.hero__orb--2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6B21B0 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  animation: orbFloat2 22s ease-in-out infinite;
}
.hero__orb--3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #0891B2 0%, transparent 70%);
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 15s ease-in-out infinite;
}
@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(80px, 60px) scale(1.1); }
  66%       { transform: translate(-40px, 100px) scale(0.95); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40%       { transform: translate(-70px, -80px) scale(1.12); }
  70%       { transform: translate(50px, -40px) scale(0.9); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
  50%       { transform: translate(-50%, -50%) scale(1.3); opacity: 0.25; }
}

/* Dot grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(4, 107, 210, 0.15);
  border: 1px solid rgba(4, 107, 210, 0.3);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: var(--sp-lg);
  animation: fadeInDown 0.8s ease both;
}
.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero__badge-text {
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
}
.hero__headline {
  font-size: clamp(2.8rem, 6vw, var(--fs-5xl));
  font-weight: 900;
  color: var(--clr-white);
  line-height: 1.07;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-lg);
  animation: fadeInUp 0.9s 0.1s ease both;
}
.hero__headline em {
  font-style: normal;
  background: linear-gradient(135deg, #4DA3FF 0%, #C084FC 50%, #4DA3FF 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s linear infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.hero__subtitle {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  margin: 0 auto var(--sp-xl);
  line-height: 1.7;
  font-weight: 400;
  animation: fadeInUp 0.9s 0.2s ease both;
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.9s 0.3s ease both;
}
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-family: var(--ff-head);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeInUp 1s 0.5s ease both;
  cursor: pointer;
  transition: color var(--transition);
  z-index: 2;
}
.hero__scroll:hover { color: rgba(255,255,255,0.8); }
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.6); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── MANIFESTO ────────────────────────────────────────────── */
.manifesto {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg-light);
  overflow: hidden;
  position: relative;
}
.manifesto::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--clr-border), transparent);
}
.manifesto__inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.manifesto__quote {
  font-family: var(--ff-head);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--clr-dark);
  line-height: 1.2;
  margin-bottom: var(--sp-lg);
  letter-spacing: -0.02em;
}
.manifesto__quote mark {
  background: none;
  color: var(--clr-primary);
}
.manifesto__body {
  font-size: var(--fs-md);
  color: var(--clr-text-mid);
  max-width: 640px;
  margin: 0 auto var(--sp-xl);
  line-height: 1.8;
}
.manifesto__metrics {
  display: flex;
  justify-content: center;
  gap: var(--sp-2xl);
  flex-wrap: wrap;
  margin-top: var(--sp-xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--clr-border);
}
.manifesto__metric {
  text-align: center;
}
.manifesto__metric-value {
  font-family: var(--ff-head);
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.manifesto__metric-label {
  font-size: var(--fs-sm);
  color: var(--clr-text-light);
  font-weight: 500;
}

/* ── SERVICES ─────────────────────────────────────────────── */
.services {
  padding: var(--sp-3xl) 0;
  background: var(--clr-dark);
  position: relative;
  overflow: hidden;
}
.services::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, var(--clr-bg-light), transparent);
  opacity: 0.04;
}
.services .section-title { color: var(--clr-white); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: var(--sp-2xl);
}
.service-card--featured {
  grid-column: span 3;
  background: linear-gradient(135deg, rgba(4,107,210,0.15) 0%, rgba(4,92,180,0.08) 100%);
  border-color: rgba(4,107,210,0.4);
}
.service-card--featured .service-card__number {
  color: var(--brand, #046BD2);
}
.service-card {
  background: var(--clr-glass-bg);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(4,107,210,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
  pointer-events: none;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), 0 2px 0 rgba(4,107,210,0.5) inset;
  border-color: rgba(4, 107, 210, 0.4);
}
.service-card:hover::before { opacity: 1; }
.service-card__number {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  font-family: var(--ff-head);
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  user-select: none;
}
.service-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(4, 107, 210, 0.15);
  border: 1px solid rgba(4, 107, 210, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-md);
  transition: background var(--transition), border-color var(--transition);
  color: var(--clr-primary);
}
.service-card:hover .service-card__icon {
  background: rgba(4, 107, 210, 0.25);
  border-color: rgba(4, 107, 210, 0.45);
}
.service-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--sp-sm);
}
.service-card__desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--sp-md);
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-primary);
  transition: gap var(--transition);
}
.service-card__link::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
.service-card__link:hover { gap: 10px; }

/* ── STATS ────────────────────────────────────────────────── */
.stats {
  padding: var(--sp-3xl) 0;
  background: var(--grad-primary);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 36px 36px;
}
.stats::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  position: relative;
  z-index: 1;
}
.stat-item {
  text-align: center;
  padding: var(--sp-xl) var(--sp-md);
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,0.2);
}
.stat-item__value {
  font-family: var(--ff-head);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 900;
  color: var(--clr-white);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.stat-item__value sup {
  font-size: 0.5em;
  vertical-align: super;
}
.stat-item__value span.counter { display: inline; }
.stat-item__label {
  font-size: var(--fs-base);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

/* ── PROCESS ──────────────────────────────────────────────── */
.process {
  padding: var(--sp-3xl) 0;
  background: var(--clr-white);
}
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: var(--sp-2xl);
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 36px);
  right: calc(12.5% + 36px);
  height: 2px;
  background: repeating-linear-gradient(
    to right,
    var(--clr-primary) 0,
    var(--clr-primary) 8px,
    transparent 8px,
    transparent 20px
  );
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--sp-md);
  position: relative;
  z-index: 1;
}
.process-step__number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--clr-white);
  border: 3px solid var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-head);
  font-size: var(--fs-xl);
  font-weight: 900;
  color: var(--clr-primary);
  margin-bottom: var(--sp-lg);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.process-step:hover .process-step__number {
  background: var(--clr-primary);
  color: var(--clr-white);
}
.process-step__tag {
  font-family: var(--ff-head);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 8px;
}
.process-step__title {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--clr-dark);
  margin-bottom: var(--sp-sm);
}
.process-step__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-mid);
  line-height: 1.75;
}

/* ── WHY US ───────────────────────────────────────────────── */
.why {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg-light);
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
  margin-top: var(--sp-2xl);
}
.why-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(4, 107, 210, 0.2);
}
.why-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(4, 107, 210, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
  margin-bottom: var(--sp-md);
  transition: background var(--transition);
}
.why-card:hover .why-card__icon {
  background: var(--clr-primary);
  color: var(--clr-white);
}
.why-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: var(--sp-xs);
}
.why-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-mid);
  line-height: 1.75;
}

/* ── TESTIMONIALS ─────────────────────────────────────────── */
.testimonials {
  padding: var(--sp-3xl) 0;
  background: var(--clr-white);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  margin-top: var(--sp-2xl);
}
.testimonial-card {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-card__quote {
  font-size: 3rem;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: var(--sp-sm);
  font-family: Georgia, serif;
  opacity: 0.4;
}
.testimonial-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--sp-md);
}
.testimonial-card__stars svg { color: #F59E0B; }
.testimonial-card__text {
  font-size: var(--fs-sm);
  color: var(--clr-text-mid);
  line-height: 1.8;
  margin-bottom: var(--sp-lg);
  font-style: italic;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  border-top: 1px solid var(--clr-border);
  padding-top: var(--sp-md);
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--clr-white);
  flex-shrink: 0;
}
.testimonial-card__name {
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--clr-dark);
}
.testimonial-card__role {
  font-size: var(--fs-xs);
  color: var(--clr-text-light);
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg-light);
}
.faq__list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}
.faq-item {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item.open {
  border-color: rgba(4, 107, 210, 0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding: var(--sp-md) var(--sp-lg);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}
.faq-item__trigger:hover { background: var(--clr-bg-light); }
.faq-item.open .faq-item__trigger { background: rgba(4, 107, 210, 0.03); }
.faq-item__question {
  font-family: var(--ff-head);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--clr-dark);
}
.faq-item__icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: rgba(4, 107, 210, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
  transition: background var(--transition), transform var(--transition);
}
.faq-item.open .faq-item__icon {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: rotate(45deg);
}
.faq-item__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-item__body {
  max-height: 400px;
}
.faq-item__answer {
  padding: 0 var(--sp-lg) var(--sp-lg);
  font-size: var(--fs-base);
  color: var(--clr-text-mid);
  line-height: 1.8;
  border-top: 1px solid var(--clr-border);
  padding-top: var(--sp-md);
}

/* ── CTA FINAL ────────────────────────────────────────────── */
.cta-final {
  padding: var(--sp-3xl) 0;
  background: linear-gradient(135deg, #0F1729 0%, #1B2E4B 60%, #0d2240 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-final::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(4, 107, 210, 0.25) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final__inner {
  position: relative;
  z-index: 1;
}
.cta-final__title {
  font-size: clamp(2.2rem, 4.5vw, 3.75rem);
  font-weight: 900;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-md);
  line-height: 1.1;
}
.cta-final__subtitle {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.6);
  max-width: 520px;
  margin: 0 auto var(--sp-xl);
  line-height: 1.7;
}
.cta-final__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-2xl);
  flex-wrap: wrap;
}
.cta-final__info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xl);
  flex-wrap: wrap;
  padding-top: var(--sp-xl);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.cta-final__info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.65);
  font-size: var(--fs-sm);
}
.cta-final__info-item svg { color: var(--clr-primary); flex-shrink: 0; }
.cta-final__socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  margin-top: var(--sp-xl);
}
.cta-final__social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.cta-final__social-link:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(4, 107, 210, 0.12);
}

/* ── FOOTER ───────────────────────────────────────────────── */
.footer {
  background: #080D18;
  padding: var(--sp-2xl) 0 var(--sp-lg);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--sp-2xl);
  padding-bottom: var(--sp-xl);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: var(--sp-lg);
}
.footer__brand-logo {
  font-family: var(--ff-head);
  font-size: var(--fs-xl);
  font-weight: 800;
  margin-bottom: var(--sp-sm);
}
.footer__brand-logo span:first-child { color: var(--clr-primary); }
.footer__brand-logo span:last-child { color: var(--clr-white); }
.footer__brand-desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.4);
  line-height: 1.75;
  max-width: 280px;
  margin-bottom: var(--sp-lg);
}
.footer__socials {
  display: flex;
  gap: var(--sp-xs);
}
.footer__social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-sm);
  transition: var(--transition);
}
.footer__social:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(4, 107, 210, 0.1);
}
.footer__col-title {
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__link {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
  line-height: 1;
}
.footer__link:hover { color: rgba(255,255,255,0.85); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  flex-wrap: wrap;
}
.footer__copy {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.28);
}
.footer__legal {
  display: flex;
  gap: var(--sp-md);
}
.footer__legal a {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.28);
  transition: color var(--transition);
}
.footer__legal a:hover { color: rgba(255,255,255,0.6); }

/* ── NAV DROPDOWN MEGA MENU ──────────────────────────────── */
.nav__item {
  position: static;
  list-style: none;
}
.nav__item--dropdown {
  position: relative;
}
.nav__link--has-drop {
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav__drop-arrow {
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
  flex-shrink: 0;
  opacity: 0.7;
}
.nav__item--dropdown:hover .nav__drop-arrow,
.nav__item--dropdown.open .nav__drop-arrow {
  transform: rotate(180deg);
}

/* Mega menu panel */
.nav__mega {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: rgba(255,255,255,0.99);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(15,23,41,0.18),
              0 0 0 1px rgba(0,0,0,0.06);
  padding: 1.25rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  min-width: 520px;
  width: 520px;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.22s cubic-bezier(0.4,0,0.2,1),
              transform 0.22s cubic-bezier(0.4,0,0.2,1),
              visibility 0.22s;
  z-index: 200;
}
.nav__mega::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: rgba(255,255,255,0.99);
  border-top: none;
}
.nav__item--dropdown:hover .nav__mega,
.nav__item--dropdown.open .nav__mega {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Mega item */
.nav__mega-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--clr-text-dark);
  transition: background 0.18s, transform 0.18s;
}
.nav__mega-item:hover {
  background: rgba(4,107,210,0.06);
  transform: translateX(2px);
}
.nav__mega-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(4,107,210,0.08);
  border: 1px solid rgba(4,107,210,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
  flex-shrink: 0;
  transition: background 0.18s, border-color 0.18s;
}
.nav__mega-item:hover .nav__mega-icon {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}
.nav__mega-body { flex: 1; min-width: 0; }
.nav__mega-title {
  font-family: var(--ff-head);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr-dark);
  line-height: 1.2;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav__mega-desc {
  font-size: 0.71rem;
  color: var(--clr-text-light);
  line-height: 1.3;
}

/* Featured mega item (Posicionamiento en IAs) */
.nav__mega-item--featured {
  grid-column: span 2;
  background: rgba(4,107,210,0.05);
  border: 1px solid rgba(4,107,210,0.12);
}
.nav__mega-item--featured .nav__mega-icon {
  background: rgba(4,107,210,0.12);
}
.nav__mega-item--featured:hover {
  background: rgba(4,107,210,0.09);
}
.nav__mega-item--featured .nav__mega-title {
  font-size: 0.88rem;
}
.nav__mega-divider {
  grid-column: span 2;
  height: 1px;
  background: var(--clr-border);
  margin: 4px 0;
}

/* Scrolled nav adjustments */
.nav.scrolled .nav__link--has-drop { color: var(--clr-text-mid); }
.nav.scrolled .nav__link--has-drop:hover { color: var(--clr-primary); }
.nav.scrolled .nav__item--dropdown:hover .nav__drop-arrow,
.nav.scrolled .nav__item--dropdown.open .nav__drop-arrow { color: var(--clr-primary); }

/* Keep nav__links li items aligned */
.nav__links { align-items: center; }
.nav__item { list-style: none; }
.nav__links li { list-style: none; }

/* ── CLIENTS CAROUSEL ─────────────────────────────────────── */
.clients-carousel {
  padding: 80px 0 60px;
  background: #fff;
  overflow: hidden;
}
.clients-carousel__header {
  text-align: center;
  margin-bottom: 52px;
}
.clients-carousel__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #0A0A1A;
  margin: 8px 0 12px;
  line-height: 1.2;
}
.clients-carousel__sub {
  font-size: 1rem;
  color: #6B7280;
  max-width: 480px;
  margin: 0 auto;
}
.clients-track-wrap {
  position: relative;
  overflow: hidden;
}
.clients-track-wrap::before,
.clients-track-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.clients-track-wrap::before {
  left: 0;
  background: linear-gradient(to right, #fff 0%, transparent 100%);
}
.clients-track-wrap::after {
  right: 0;
  background: linear-gradient(to left, #fff 0%, transparent 100%);
}
.clients-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  animation: clientsScroll 40s linear infinite;
}
.clients-track:hover { animation-play-state: paused; }
@keyframes clientsScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.clients-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  padding: 0 8px;
  opacity: 0.55;
  filter: grayscale(1);
  transition: opacity 0.3s ease, filter 0.3s ease;
}
.clients-logo:hover {
  opacity: 1;
  filter: grayscale(0);
}
.clients-logo img {
  max-height: 52px;
  max-width: 140px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* ── TECH MARQUEE ─────────────────────────────────────────── */
.tech-marquee {
  padding: 20px 0;
  background: #080D18;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
  position: relative;
}
.tech-marquee::before,
.tech-marquee::after {
  content: '';
  position: absolute;
  top: 0;
  width: 160px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.tech-marquee::before {
  left: 0;
  background: linear-gradient(to right, #080D18, transparent);
}
.tech-marquee::after {
  right: 0;
  background: linear-gradient(to left, #080D18, transparent);
}
.tech-marquee__track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 50s linear infinite;
}
.tech-marquee__track:hover { animation-play-state: paused; }
@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.tech-marquee__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 32px;
  color: rgba(255,255,255,0.35);
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color 0.3s;
}
.tech-marquee__item:hover { color: rgba(255,255,255,0.75); }
.tech-marquee__sep {
  width: 4px;
  height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  flex-shrink: 0;
  align-self: center;
  margin: 0 4px;
}

/* ── CASES ────────────────────────────────────────────────── */
.cases {
  padding: var(--sp-3xl) 0;
  background: var(--clr-dark);
  overflow: hidden;
  position: relative;
}
.cases::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  pointer-events: none;
}
.cases .section-title { color: var(--clr-white); }
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: var(--sp-2xl);
}
.case-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1),
              border-color 0.45s, box-shadow 0.45s;
  cursor: default;
}
.case-card__top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--case-grad, var(--grad-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
  border-radius: 3px 3px 0 0;
}
.case-card:hover .case-card__top-bar { transform: scaleX(1); }
.case-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 40px 80px rgba(0,0,0,0.6),
              0 0 0 1px rgba(255,255,255,0.06);
}
.case-card__industry {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-head);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: rgba(4,107,210,0.12);
  border: 1px solid rgba(4,107,210,0.2);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}
.case-card__metric {
  font-family: var(--ff-head);
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.65) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.case-card__metric-label {
  font-family: var(--ff-head);
  font-size: var(--fs-sm);
  color: var(--clr-primary);
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.case-card__challenge {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.5rem;
}
.case-card__desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}
.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.case-card__tag {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(3)::before { display: none; }
  .stat-item + .stat-item::before {
    display: block;
  }
  .stat-item:nth-child(3)::before { display: none; }
  .process__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-xl);
  }
  .process__steps::before { display: none; }
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --fs-3xl: 2rem;
    --fs-4xl: 2.75rem;
    --sp-3xl: 5rem;
    --sp-2xl: 3rem;
  }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .hero__actions .btn { font-size: var(--fs-sm); padding: 12px 22px; }
  .services__grid {
    grid-template-columns: 1fr;
  }
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process__steps {
    grid-template-columns: 1fr;
    gap: var(--sp-xl);
  }
  .why__grid {
    grid-template-columns: 1fr;
  }
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
  .manifesto__metrics {
    gap: var(--sp-xl);
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--sp-xl);
  }
  .footer__brand-desc { max-width: none; }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-final__info {
    flex-direction: column;
    gap: var(--sp-md);
    align-items: flex-start;
    max-width: 400px;
    margin: 0 auto;
    text-align: left;
  }
  .stat-item + .stat-item::before { display: none; }
  .cases__grid { grid-template-columns: 1fr; }
  .tech-marquee__item { padding: 8px 20px; }
  .service-card--featured { grid-column: span 1; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .cta-final__actions { flex-direction: column; align-items: stretch; }
  .cta-final__actions .btn { justify-content: center; }
}