/* ============================================================
   O2 Producciones 2026 — styles.css
   Palette: magenta #e91e8c · violet #a855f7 · cyan #06b6d4
   ============================================================ */

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

:root {
  --neon:      #e91e8c;
  --neon2:     #a855f7;
  --neon3:     #06b6d4;
  --neon4:     #c026d3;
  --dark:      #05030f;
  --dark2:     #0b0718;
  --dark3:     #110d22;
  --dark4:     #17112d;
  --text:      #f0e6ff;
  --muted:     #a89cc8;
  --border:    rgba(255,255,255,0.07);
  --grad-main: linear-gradient(135deg, var(--neon), var(--neon2));
  --grad-3:    linear-gradient(135deg, var(--neon), var(--neon2), var(--neon3));
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body:    'DM Sans', 'Segoe UI', sans-serif;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:       12px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a  { color: var(--neon); text-decoration: none; }
button { cursor: pointer; font-family: var(--font-body); }

/* ---------- Typography helpers ---------- */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 12px;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: 1px;
  line-height: 1.05;
  margin-bottom: 20px;
}
.section-title .highlight {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  color: var(--muted);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.75;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 0 28px rgba(233,30,140,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(233,30,140,0.55);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn-ghost:hover {
  border-color: var(--neon2);
  color: var(--neon2);
}

/* ---------- Divider ---------- */
.divider {
  width: 48px;
  height: 3px;
  background: var(--grad-main);
  border-radius: 3px;
  margin: 0 0 36px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 5%;
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(5,3,15,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(233,30,140,0.15);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 2px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-logo img {
  max-width: 90px;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav-links a {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .5px;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--neon);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--neon); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav menu */
.nav-menu-mobile {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: rgba(5,3,15,0.97);
  backdrop-filter: blur(20px);
  padding: 24px 5% 32px;
  z-index: 999;
  border-bottom: 1px solid var(--border);
  transform: translateY(-8px);
  opacity: 0;
  transition: var(--transition);
}
.nav-menu-mobile.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}
.nav-menu-mobile ul { list-style: none; }
.nav-menu-mobile ul li { border-bottom: 1px solid var(--border); }
.nav-menu-mobile ul li:last-child { border-bottom: none; }
.nav-menu-mobile ul a {
  display: block;
  padding: 14px 0;
  color: var(--text);
  font-size: 15px;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 130px 5% 90px;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 55% at 50% 110%, rgba(168,85,247,0.28) 0%, transparent 65%),
    radial-gradient(ellipse 55% 40% at 15% 50%, rgba(233,30,140,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 55% 40% at 85% 50%, rgba(6,182,212,0.12) 0%, transparent 60%),
    var(--dark);
}

/* Animated beams */
.beams-wrap {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.beam {
  position: absolute;
  bottom: 0;
  width: 2px;
  border-radius: 2px;
  opacity: .15;
  animation: beamPulse 4s ease-in-out infinite alternate;
}
@keyframes beamPulse {
  0%   { opacity: .1; transform: scaleY(.8); }
  100% { opacity: .55; transform: scaleY(1); }
}

/* Particle dots */
.hero-particles {
  position: absolute; inset: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  animation: float linear infinite;
}
@keyframes float {
  0%   { transform: translateY(0) scale(1); opacity: .4; }
  50%  { opacity: .8; }
  100% { transform: translateY(-120px) scale(.6); opacity: 0; }
}

.hero-content { position: relative; z-index: 2; max-width: 820px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  border: 1px solid rgba(233,30,140,0.45);
  color: var(--neon);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 7px 20px;
  border-radius: 30px;
  background: rgba(233,30,140,0.08);
  margin-bottom: 28px;
  animation: fadeDown .8s ease both;
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 8px;
  animation: fadeDown .8s .15s ease both;
}
.hero-h1 .grad {
  background: var(--grad-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 28px;
  animation: fadeDown .8s .3s ease both;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 44px;
  animation: fadeDown .8s .45s ease both;
}
.tag {
  font-size: 11px;
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: 4px;
  border: 1px solid rgba(168,85,247,0.3);
  color: var(--neon2);
  background: rgba(168,85,247,0.07);
  transition: var(--transition);
}
.tag:hover {
  border-color: var(--neon2);
  background: rgba(168,85,247,0.18);
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeDown .8s .6s ease both;
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeIn 1s 1.5s ease both;
}
.scroll-hint .mouse {
  width: 20px; height: 32px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  position: relative;
}
.scroll-hint .mouse::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 3px; height: 6px;
  background: var(--neon);
  border-radius: 3px;
  animation: scroll-anim 1.5s ease-in-out infinite;
}
@keyframes scroll-anim {
  0%,100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80%      { transform: translateX(-50%) translateY(8px); opacity: 0; }
}

/* ============================================================
   ABOUT
   ============================================================ */
#about {
  padding: 100px 5%;
  background: var(--dark2);
  position: relative;
  overflow: hidden;
}
#about::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.07), transparent 70%);
  pointer-events: none;
}

.about-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.about-text .section-desc + .section-desc { margin-top: 14px; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 40px;
}
.stat-card {
  background: rgba(233,30,140,0.05);
  border: 1px solid rgba(233,30,140,0.18);
  border-radius: var(--radius);
  padding: 22px 20px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad-main);
  opacity: 0;
  transition: var(--transition);
}
.stat-card:hover { border-color: rgba(233,30,140,0.4); transform: translateY(-3px); }
.stat-card:hover::before { opacity: 1; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: 1px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* Orbit visual */
.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(233,30,140,0.25);
  animation: spin linear infinite;
}
.orbit-ring:nth-child(1) { inset: 0; animation-duration: 14s; }
.orbit-ring:nth-child(2) { inset: 30px; border-color: rgba(168,85,247,0.18); animation-duration: 20s; animation-direction: reverse; }
.orbit-ring:nth-child(3) { inset: 60px; border-color: rgba(6,182,212,0.12); animation-duration: 28s; }
@keyframes spin { to { transform: rotate(360deg); } }

.orbit-dot {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  top: 50%; left: 0;
  transform: translateY(-50%);
}

.orbit-center {
  position: absolute;
  inset: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(233,30,140,0.15), transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.orbit-logo-text {
  font-family: var(--font-display);
  font-size: 3.5rem;
  letter-spacing: 2px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.orbit-sub {
  font-size: .7rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ============================================================
   SERVICES
   ============================================================ */
#servicios {
  padding: 100px 5%;
  background: var(--dark);
}
.services-inner { max-width: 1200px; margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px;
  margin-top: 52px;
}
.service-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(233,30,140,0.07), transparent 60%);
  opacity: 0;
  transition: var(--transition);
  border-radius: 16px;
}
.service-card:hover {
  border-color: rgba(233,30,140,0.38);
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.4);
}
.service-card:hover::after { opacity: 1; }

.service-num {
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 14px; right: 18px;
  line-height: 1;
}
.service-icon { font-size: 2.2rem; margin-bottom: 18px; position: relative; z-index: 1; }
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; position: relative; z-index: 1; }
.service-card p  { font-size: .86rem; color: var(--muted); line-height: 1.65; position: relative; z-index: 1; }

/* ============================================================
   PORTFOLIO
   ============================================================ */
#portafolio {
  padding: 100px 5%;
  background: var(--dark2);
}
.port-inner { max-width: 1200px; margin: 0 auto; }

.port-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 48px 0 28px;
}
.port-tab {
  padding: 8px 20px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--muted);
  font-size: 13px;
  background: transparent;
  transition: var(--transition);
  font-family: var(--font-body);
}
.port-tab:hover,
.port-tab.active {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(233,30,140,0.08);
}

/* Masonry-style grid via CSS columns */
.port-grid {
  columns: 3;
  column-gap: 14px;
}
@media (max-width: 900px) { .port-grid { columns: 2; } }
@media (max-width: 560px) { .port-grid { columns: 1; } }

.port-item {
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  cursor: pointer;
}
.port-item img {
  width: 100%;
  display: block;
  transition: transform .45s cubic-bezier(0.4,0,0.2,1);
}
.port-item:hover img { transform: scale(1.05); }

.port-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 35%, rgba(5,3,15,.92));
  opacity: 0;
  transition: opacity .3s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.port-item:hover .port-overlay { opacity: 1; }
.port-label { font-size: .8rem; font-weight: 700; color: var(--text); line-height: 1.3; }
.port-sublabel { font-size: .7rem; color: var(--muted); margin-top: 3px; }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.94);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn .2s ease;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 84vh;
  border-radius: var(--radius);
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
}
.lb-close {
  position: fixed;
  top: 20px; right: 24px;
  font-size: 2rem;
  color: var(--text);
  background: none;
  border: none;
  opacity: .65;
  transition: opacity var(--transition);
}
.lb-close:hover { opacity: 1; }
.lb-caption {
  position: fixed;
  bottom: 20px; left: 0; right: 0;
  text-align: center;
  font-size: .85rem;
  color: var(--muted);
}

/* ============================================================
   METHODOLOGY
   ============================================================ */
#metodologia {
  padding: 100px 5%;
  background: var(--dark);
}
.method-inner { max-width: 1200px; margin: 0 auto; }

.steps-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}
.steps-track::before {
  content: '';
  position: absolute;
  top: 38px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), var(--neon2), transparent);
  opacity: .3;
}
.step-item { text-align: center; padding: 16px 12px; }
.step-num-wrap {
  width: 76px; height: 76px;
  border-radius: 50%;
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 auto 18px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.step-item:hover .step-num-wrap {
  transform: scale(1.1);
  box-shadow: 0 0 28px currentColor;
}
.step-item:nth-child(1) .step-num-wrap { border-color: var(--neon); color: var(--neon); background: rgba(233,30,140,0.08); }
.step-item:nth-child(2) .step-num-wrap { border-color: var(--neon4); color: var(--neon4); background: rgba(192,38,211,0.08); }
.step-item:nth-child(3) .step-num-wrap { border-color: var(--neon2); color: var(--neon2); background: rgba(168,85,247,0.08); }
.step-item:nth-child(4) .step-num-wrap { border-color: #818cf8; color: #818cf8; background: rgba(129,140,248,0.08); }
.step-item:nth-child(5) .step-num-wrap { border-color: var(--neon3); color: var(--neon3); background: rgba(6,182,212,0.08); }
.step-item h4 { font-size: .95rem; font-weight: 700; margin-bottom: 7px; }
.step-item p  { font-size: .78rem; color: var(--muted); line-height: 1.55; }

/* ============================================================
   CLIENTS (Marquee carousel)
   ============================================================ */
#clientes {
  padding: 100px 5%;
  background: var(--dark2);
  overflow: hidden;
}
.clients-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.clients-inner .divider { margin: 0 auto 52px; }

.marquee-wrapper {
  position: relative;
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 16px;
  animation: marquee 28s linear infinite;
}
.marquee-wrapper:hover .marquee-track { animation-play-state: paused; }

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

.client-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 8px;
  background: #6c6978;
  font-size: .9rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .5px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
}
.client-pill img {
  max-width: 100px;
}
.client-pill:hover {
  border-color: rgba(233,30,140,0.4);
  color: var(--text);
}

/* ============================================================
   CONTACT
   ============================================================ */
#contacto {
  padding: 100px 5%;
  background: var(--dark);
  text-align: center;
}
.contact-box {
  max-width: 720px;
  margin: 0 auto;
  background: var(--dark3);
  border: 1px solid rgba(233,30,140,0.2);
  border-radius: 24px;
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
}
.contact-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 110%, rgba(233,30,140,0.12), transparent 65%);
  pointer-events: none;
}
.contact-box .section-title { position: relative; z-index: 1; }
.contact-box .section-desc {
  max-width: 100%;
  margin: 0 auto 44px;
  position: relative;
  z-index: 1;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
}
.contact-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(233,30,140,0.08);
  border: 1px solid rgba(233,30,140,0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-row a {
  color: var(--text);
  font-weight: 600;
  transition: color var(--transition);
}
.contact-row a:hover { color: var(--neon); }

.contact-cta { margin-top: 36px; position: relative; z-index: 1; }
.contact-cta .btn { width: 100%; max-width: 320px; justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: 32px 5%;
  background: var(--dark2);
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 2px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.footer-logo img {
  max-width: 60px;
  margin: 0 auto;
}
footer p { font-size: .8rem; color: var(--muted); line-height: 1.7; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeDown {
  0%   { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes fadeUp {
  0%   { opacity: 0; transform: translateY(28px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal base */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .5s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
  .about-grid { grid-template-columns: 1fr; gap: 52px; }
  .orbit-wrapper { width: 260px; height: 260px; }
  .steps-track { grid-template-columns: repeat(3, 1fr); }
  .steps-track::before { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner .btn { display: none; }

  .hero-h1 { font-size: clamp(2.6rem, 10vw, 4rem); }

  .steps-track { grid-template-columns: repeat(2, 1fr); }

  .contact-box { padding: 44px 28px; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr 1fr; }
  .steps-track { grid-template-columns: 1fr 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 280px; justify-content: center; }
}