/* ==========================================================================
   STARBRAND® — Sistema de diseño
   Estrategia + Branding + Creatividad
   ========================================================================== */

:root{
  --black: #050505;
  --white: #FFFFFF;
  --gray-light: #F2F2F2;
  --gray-mid: #A6A6A6;
  --purple: #6F35FF;
  --purple-deep: #4A00E0;
  --gradient: linear-gradient(135deg, #4A00E0 0%, #8B5CFF 100%);
  --gradient-soft: linear-gradient(180deg, rgba(74,0,224,0.08) 0%, rgba(139,92,255,0.02) 100%);

  --font: Arial, "Helvetica Neue", Helvetica, sans-serif;

  --container: 1240px;
  --pad: clamp(20px, 5vw, 64px);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .6s;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: var(--font); cursor:pointer; }
input, textarea, select{ font-family: var(--font); }

.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 3px solid var(--purple);
  outline-offset: 3px;
}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--black); color:var(--white);
  padding:12px 20px; z-index:1000; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* ---------- Tipografía ---------- */
h1,h2,h3,h4{
  font-family: var(--font);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0 0 .5em;
}
h1{ font-size: clamp(2.4rem, 5.4vw, 4.6rem); }
h2{ font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3{ font-size: clamp(1.3rem, 2vw, 1.7rem); }
h4{ font-size: 1.1rem; }
p{ margin:0 0 1em; color: #2b2b2b; }
.lede{ font-size: clamp(1.05rem, 1.6vw, 1.3rem); color:#3a3a3a; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--purple-deep);
  margin-bottom: 18px;
}
.eyebrow::before{
  content:"";
  width: 22px; height: 2px;
  background: var(--gradient);
  display:inline-block;
}

.text-gray{ color: var(--gray-mid); }
.text-center{ text-align:center; }
.max-w{ max-width: 680px; }
.max-w-lg{ max-width: 820px; }
.mx-auto{ margin-left:auto; margin-right:auto; }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 16px 30px;
  border-radius: 100px;
  font-weight:700;
  font-size: .98rem;
  border: 2px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-color .3s ease, color .3s ease, border-color .3s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(74,0,224,0.28);
}
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 14px 30px rgba(74,0,224,0.38); }
.btn-dark{
  background: var(--black); color: var(--white);
}
.btn-dark:hover{ transform: translateY(-3px); background:#1a1a1a; }
.btn-outline{
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline:hover{ background: var(--black); color: var(--white); transform: translateY(-3px); }
.btn-outline-light{
  background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5);
}
.btn-outline-light:hover{ background: var(--white); color: var(--black); border-color: var(--white); }
.btn-block{ width:100%; }
.btn-sm{ padding: 11px 20px; font-size: .88rem; }
.btn-arrow{ transition: transform .3s var(--ease); display:inline-block; }
.btn:hover .btn-arrow{ transform: translateX(4px); }

.btn-group{ display:flex; gap:16px; flex-wrap:wrap; }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 900;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(5,5,5,0.08);
  transition: box-shadow .3s ease;
}
.site-header.scrolled{ box-shadow: 0 6px 24px rgba(5,5,5,0.06); }
.nav-wrap{
  max-width: var(--container);
  margin:0 auto;
  padding: 16px var(--pad);
  display:flex; align-items:center; justify-content:space-between;
  gap: 20px;
}
.logo{
  font-weight: 900; font-size: 1.5rem; letter-spacing: -0.02em;
  color: var(--black);
  display:flex; align-items:center; gap:2px;
}
.logo sup{ font-size: .5em; }
.nav-links{
  display:flex; align-items:center; gap: 34px;
}
.nav-links a{
  font-weight: 700; font-size: .95rem; position:relative; padding: 6px 0;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background: var(--gradient); transition: width .3s var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ width:100%; }
.nav-links a[aria-current="page"]{ color: var(--purple-deep); }
.nav-cta{ display:flex; align-items:center; gap:16px; }
.nav-cta .btn{ padding: 12px 22px; font-size: .88rem; }

.hamburger{
  display:none; background:none; border:none; padding:8px; width:44px; height:44px;
  flex-direction:column; justify-content:center; align-items:center; gap:5px;
}
.hamburger span{
  width: 24px; height: 2px; background: var(--black); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-panel{
  display:none;
  position: fixed; inset: 0; top: 0;
  background: var(--white);
  z-index: 950;
  padding: 100px 28px 40px;
  overflow-y:auto;
}
.mobile-panel.open{ display:block; }
.mobile-panel .nav-links{ flex-direction:column; align-items:flex-start; gap:0; }
.mobile-panel .nav-links a{
  font-size: 1.6rem; padding: 16px 0; width:100%; border-bottom: 1px solid var(--gray-light);
}
.mobile-panel .btn{ margin-top: 24px; }
.mobile-close{
  position:absolute; top:20px; right: 20px; background:none; border:none; width:44px; height:44px;
}
.mobile-close::before, .mobile-close::after{
  content:""; position:absolute; left:10px; top:21px; width:24px; height:2px; background:var(--black);
}
.mobile-close::before{ transform: rotate(45deg); }
.mobile-close::after{ transform: rotate(-45deg); }

/* ---------- Reveal animations ---------- */
[data-reveal]{
  opacity:0; transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in-view{ opacity:1; transform:none; }
[data-reveal-delay="1"]{ transition-delay: .08s; }
[data-reveal-delay="2"]{ transition-delay: .16s; }
[data-reveal-delay="3"]{ transition-delay: .24s; }
[data-reveal-delay="4"]{ transition-delay: .32s; }
[data-reveal-delay="5"]{ transition-delay: .4s; }
[data-reveal-delay="6"]{ transition-delay: .48s; }

/* ---------- Sections generic ---------- */
section{ position:relative; }
.section{ padding: clamp(64px, 9vw, 128px) 0; }
.section-tight{ padding: clamp(48px, 6vw, 80px) 0; }
.section-head{ margin-bottom: clamp(36px, 5vw, 64px); }
.divider{
  height:1px; background: var(--gray-light); border:none; margin:0;
}
.bg-black{ background: var(--black); color: var(--white); }
.bg-black h2, .bg-black h3, .bg-black h4{ color: var(--white); }
.bg-black p{ color: rgba(255,255,255,0.72); }
.bg-gray{ background: var(--gray-light); }
.bg-gradient{ background: var(--gradient); color: var(--white); }
.bg-gradient h2, .bg-gradient h3{ color: var(--white); }
.bg-gradient p{ color: rgba(255,255,255,0.86); }

/* ---------- HERO ---------- */
.hero{
  padding-top: clamp(56px, 8vw, 96px);
  padding-bottom: clamp(48px, 7vw, 88px);
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items:center;
}
.hero-copy .eyebrow{ margin-bottom: 22px; }
.hero h1{ margin-bottom: 22px; }
.hero-copy .lede{ margin-bottom: 30px; max-width: 540px; }
.hero-note{
  margin-top: 26px;
  display:flex; align-items:center; gap:10px;
  font-weight:700; font-size:.95rem; color: var(--purple-deep);
}
.hero-note .dot{ width:8px; height:8px; border-radius:50%; background: var(--gradient); flex-shrink:0; }

.hero-visual{ position:relative; height: 100%; min-height: 420px; }
.hero-video{ width:100%; height:100%; border-radius: var(--radius-lg); overflow:hidden; box-shadow: 0 30px 70px rgba(5,5,5,0.15); }
.hero-video video, .hero-video iframe{ width:100%; height:100%; min-height:420px; object-fit:cover; border:0; display:block; }
.mockup-stack{ position:relative; width:100%; height:100%; }
.mockup-card{
  position:absolute; border-radius: var(--radius-md); overflow:hidden;
  box-shadow: 0 30px 60px rgba(5,5,5,0.18);
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }
.mockup-card.c1{ top:0; left:8%; width:64%; z-index:3; animation-delay:0s; }
.mockup-card.c2{ bottom:6%; right:0; width:56%; z-index:2; animation-delay:1.2s; }
.mockup-card.c3{ top:14%; right:4%; width:38%; z-index:4; animation-delay:2.1s; display:none; }
.mockup-card.c4{ bottom:0; left:0; width:34%; z-index:1; animation-delay:.6s;display:none; }

/* ---------- Abstract mockup visuals (CSS-built, no stock/AI photos) ---------- */
.mock{ width:100%; aspect-ratio: 4/5; position:relative; }
.mock-web{ aspect-ratio: 16/11; background: var(--black); padding: 10px; }
.mock-web .mock-bar{ display:flex; gap:5px; padding: 2px 4px 8px; }
.mock-web .mock-bar span{ width:7px; height:7px; border-radius:50%; background:rgba(255,255,255,0.25); }
.mock-web .mock-body{ background: var(--white); border-radius:6px; height: calc(100% - 20px); padding:14px; display:flex; flex-direction:column; gap:8px; }
.mock-web .mock-line{ height:8px; border-radius:4px; background: var(--gray-light); }
.mock-web .mock-line.w60{ width:60%; }
.mock-web .mock-line.w40{ width:40%; }
.mock-web .mock-block{ height: 34px; border-radius:6px; background: var(--gradient); margin-top:auto; width:50%; }

.mock-brand{ background: var(--gradient); display:flex; align-items:center; justify-content:center; }
.mock-brand .mark{ width:46%; aspect-ratio:1; border-radius:50%; border: 6px solid rgba(255,255,255,0.9); display:flex; align-items:center; justify-content:center; font-weight:900; color:#fff; font-size: 2.6rem; }

.mock-content{ background: var(--gray-light); padding: 16px; display:flex; flex-direction:column; gap:10px; }
.mock-content .avatar-row{ display:flex; align-items:center; gap:8px; }
.mock-content .avatar{ width:26px; height:26px; border-radius:50%; background: var(--gradient); }
.mock-content .cline{ height:7px; background: rgba(5,5,5,0.12); border-radius:4px; }
.mock-content .cline.w70{ width:70%; }
.mock-content .cline.w50{ width:50%; }
.mock-content .canvas{ flex:1; border-radius: 8px; background: var(--black); position:relative; overflow:hidden; }
.mock-content .canvas::after{
  content:""; position:absolute; inset:0;
  background: radial-gradient(circle at 30% 30%, rgba(139,92,255,0.9), transparent 55%), radial-gradient(circle at 75% 70%, rgba(74,0,224,0.85), transparent 50%);
}

.mock-campaign{ background:var(--black); padding:16px; display:flex; flex-direction:column; justify-content:space-between; }
.mock-campaign .tag{ align-self:flex-start; background: var(--gradient); color:#fff; font-size:.68rem; font-weight:700; padding:5px 12px; border-radius:100px; letter-spacing:.06em; text-transform:uppercase; }
.mock-campaign .big{ font-size: 1.6rem; font-weight:900; color:#fff; line-height:1.05; }
.mock-campaign .metric{ display:flex; gap:14px; }
.mock-campaign .metric div{ flex:1; height:44px; border-radius:8px; background: rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.14); }

.mock-social{ background:#fff; border:1px solid var(--gray-light); padding:14px; display:flex; flex-direction:column; gap:10px; }
.mock-social .grid3{ display:grid; grid-template-columns: repeat(3,1fr); gap:6px; flex:1; }
.mock-social .grid3 span{ border-radius:6px; background: var(--gradient); opacity:.85; }
.mock-social .grid3 span:nth-child(2){ opacity:.5; }
.mock-social .grid3 span:nth-child(4){ opacity:.65; }
.mock-social .grid3 span:nth-child(6){ opacity:.4; }

/* Skeleton small mockups for grids */
.mockup-frame{ border-radius: var(--radius-md); overflow:hidden; box-shadow: 0 18px 40px rgba(5,5,5,0.12); }

/* ---------- Problema (3 bloques) ---------- */
.problem-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px;
}
.problem-card{
  background: var(--gray-light);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.problem-card:hover{ transform: translateY(-6px); box-shadow: 0 20px 40px rgba(5,5,5,0.1); }
.problem-num{ font-weight:900; font-size:2rem; background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:12px; display:block; }
.problem-close{
  margin-top: 44px; padding: 30px 34px; border-radius: var(--radius-md);
  background: var(--black); color:#fff; font-weight:700; font-size: 1.15rem; line-height:1.4;
}

/* ---------- Propuesta de valor visual ---------- */
.value-visual{
  display:grid; grid-template-columns: repeat(5, 1fr); gap:14px; margin-top:48px;
}
.value-chip{
  border: 1.5px solid var(--black); border-radius: 100px; padding: 18px 10px; text-align:center;
  font-weight:700; font-size:.92rem; position:relative; transition: all .35s var(--ease);
}
.value-chip:hover{ background: var(--gradient); color:#fff; border-color:transparent; transform: translateY(-4px); }
.value-chip:not(:last-child)::after{
  content:"→"; position:absolute; right:-22px; top:50%; transform:translateY(-50%);
  color: var(--gray-mid); font-weight:400;
}
@media (max-width: 900px){ .value-chip:not(:last-child)::after{ display:none; } }

/* ---------- Servicios cards ---------- */
.services-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px;
}
.service-card{
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s ease;
  display:flex; flex-direction:column;
}
.service-card:hover{
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(5,5,5,0.12);
  border-color: transparent;
}
.service-num{ font-weight:900; color: var(--gray-mid); font-size:.85rem; letter-spacing:.08em; margin-bottom:18px; }
.service-icon{
  width: 52px; height:52px; border-radius: 14px; background: var(--gradient);
  margin-bottom: 20px; display:flex; align-items:center; justify-content:center;
}
.service-icon svg{ width:26px; height:26px; stroke:#fff; }
.service-card h3{ margin-bottom: 12px; }
.service-card p{ font-size: .96rem; color:#4a4a4a; flex:1; }
.service-card .link{ font-weight:700; font-size:.9rem; margin-top:16px; display:inline-flex; align-items:center; gap:6px; color: var(--purple-deep); }

/* ---------- Proyectos grid ---------- */
.projects-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 44px;
}
.project-card{
  border-radius: var(--radius-md); overflow:hidden; background:var(--gray-light);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
  display:flex; flex-direction:column;
}
.project-card:hover{ transform: translateY(-8px); box-shadow: 0 26px 50px rgba(5,5,5,0.16); }
.project-media{ position:relative; overflow:hidden; }
.project-media .mock{ transition: transform .6s var(--ease); }
.project-card:hover .project-media .mock{ transform: scale(1.05); }
.project-cat{
  position:absolute; top:14px; left:14px; background: rgba(5,5,5,0.75); backdrop-filter: blur(6px);
  color:#fff; font-size:.7rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  padding: 6px 14px; border-radius:100px; z-index:2;
}
.project-body{ padding: 24px 24px 26px; display:flex; flex-direction:column; gap: 8px; flex:1; }
.project-role{ font-size:.78rem; font-weight:700; color: var(--purple-deep); text-transform:uppercase; letter-spacing:.05em; }
.project-body h3{ margin: 2px 0 4px; }
.project-body p{ font-size:.92rem; color:#4a4a4a; flex:1; }
.project-body .btn{ align-self:flex-start; margin-top: 10px; }

.filters{
  display:flex; flex-wrap:wrap; gap:12px; margin: 40px 0 8px;
}
.filter-btn{
  border: 1.5px solid var(--gray-light); background:#fff; padding: 10px 20px; border-radius:100px;
  font-weight:700; font-size:.86rem; transition: all .3s var(--ease);
}
.filter-btn:hover{ border-color: var(--black); }
.filter-btn.active{ background: var(--black); color:#fff; border-color: var(--black); }

/* ---------- Metodología timeline ---------- */
.timeline{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; position:relative;
}
.timeline::before{
  content:""; position:absolute; top: 26px; left: 6%; right:6%; height:2px;
  background: linear-gradient(90deg, var(--gray-light), var(--purple), var(--gray-light));
}
.timeline-step{ position:relative; padding-top: 0; }
.timeline-dot{
  width: 54px; height:54px; border-radius:50%; background: var(--gradient); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:900; font-size:1.05rem;
  margin-bottom: 22px; position:relative; z-index:2; box-shadow: 0 10px 24px rgba(74,0,224,0.3);
}
.timeline-step h3{ margin-bottom:10px; font-size:1.2rem; }
.timeline-step p{ font-size:.92rem; color:#4a4a4a; }

/* ---------- Diferenciadores ---------- */
.diff-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px;
}
.diff-item{
  display:flex; gap:18px; align-items:flex-start; padding: 26px; border-radius: var(--radius-md);
  border: 1.5px solid var(--gray-light); transition: border-color .3s ease, transform .3s var(--ease);
}
.diff-item:hover{ border-color: var(--purple); transform: translateY(-4px); }
.diff-item > div{ min-width:0; }
.diff-item a, .diff-item p, .diff-item span{ overflow-wrap: break-word; word-break: break-word; }
.diff-check{
  flex-shrink:0; width:34px; height:34px; border-radius:50%; background: var(--gradient);
  display:flex; align-items:center; justify-content:center;
}
.diff-check svg{ width:16px; height:16px; stroke:#fff; }
.diff-item p{ margin:0; font-weight:700; color: var(--black); }

/* ---------- Equipo ---------- */
.team-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 44px;
}
.team-card{
  border-radius: var(--radius-md); overflow:hidden; background: var(--gray-light);
  transition: transform .4s var(--ease);
}
.team-card:hover{ transform: translateY(-6px); }
.team-photo{
  aspect-ratio: 4/3; background: var(--gradient); position:relative; display:flex; align-items:center; justify-content:center;
}
.team-photo .initials{
  width: 96px; height:96px; border-radius:50%; background: rgba(255,255,255,0.14); border:2px solid rgba(255,255,255,0.6);
  display:flex; align-items:center; justify-content:center; color:#fff; font-weight:900; font-size:2rem;
}
.team-info{ padding: 26px 28px 30px; }
.team-role{ color: var(--purple-deep); font-weight:700; font-size:.88rem; margin-bottom:10px; display:block; }
.team-info p{ font-size:.94rem; color:#4a4a4a; margin:0; }

/* ---------- CTA banda ---------- */
.cta-band{
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 72px);
  text-align:center;
  position:relative; overflow:hidden;
}
.cta-band::before{
  content:""; position:absolute; inset:0; opacity:.5;
  background: radial-gradient(circle at 15% 20%, rgba(255,255,255,0.18), transparent 45%), radial-gradient(circle at 85% 80%, rgba(255,255,255,0.12), transparent 40%);
}
.cta-band > *{ position:relative; z-index:1; }
.cta-band h2{ max-width: 780px; margin-left:auto; margin-right:auto; }
.cta-band p{ max-width: 620px; margin-left:auto; margin-right:auto; }
.cta-band .btn-group{ justify-content:center; margin-top: 12px; }

/* ---------- Testimonios ---------- */
.testi-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px;
}
.testi-card{
  border: 1.5px dashed var(--gray-mid); border-radius: var(--radius-md); padding: 30px 26px;
  background: var(--gray-light);
}
.testi-quote{ font-size:.95rem; color:#555; font-style: italic; margin-bottom: 22px; }
.testi-who{ display:flex; align-items:center; gap: 12px; }
.testi-avatar{ width:44px; height:44px; border-radius:50%; background:#fff; border:1.5px dashed var(--gray-mid); flex-shrink:0; }
.testi-name{ font-weight:700; font-size:.92rem; }
.testi-role{ font-size:.8rem; color: var(--gray-mid); }
.testi-badge{
  display:inline-block; font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em;
  color: var(--purple-deep); background: rgba(111,53,255,0.1); padding: 4px 10px; border-radius:100px; margin-bottom:14px;
}

/* ---------- Forms ---------- */
.form-grid{
  display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 20px;
}
.form-field{ display:flex; flex-direction:column; gap:8px; margin-bottom: 20px; }
.form-field.full{ grid-column: 1 / -1; }
.form-field label{ font-weight:700; font-size:.88rem; }
.form-field .req{ color: var(--purple-deep); }
.form-field input, .form-field textarea, .form-field select{
  border: 1.5px solid var(--gray-light); border-radius: 12px; padding: 14px 16px; font-size:.96rem;
  background: #fff; transition: border-color .3s ease, box-shadow .3s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  border-color: var(--purple); box-shadow: 0 0 0 4px rgba(111,53,255,0.12); outline:none;
}
.form-field textarea{ resize: vertical; min-height: 110px; }
.checkbox-field{ display:flex; align-items:flex-start; gap:12px; margin: 6px 0 22px; }
.checkbox-field input{ margin-top:4px; width:18px; height:18px; accent-color: var(--purple); flex-shrink:0; }
.checkbox-field label{ font-size:.86rem; color:#4a4a4a; }
.checkbox-field a{ color: var(--purple-deep); font-weight:700; }
.form-card{
  background:#fff; border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 48px);
  box-shadow: 0 30px 70px rgba(5,5,5,0.12);
}
.form-note{ font-size:.82rem; color: var(--gray-mid); margin-top:10px; }
.form-success{
  display:none; text-align:center; padding: 40px 20px;
}
.form-success.show{ display:block; }
.form-success .check{
  width:70px;height:70px;border-radius:50%;background:var(--gradient);margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
}
.form-success .check svg{ width:32px;height:32px;stroke:#fff; }

/* ---------- FAQ ---------- */
.faq-list{ margin-top: 30px; border-top: 1px solid var(--gray-light); }
.faq-item{ border-bottom: 1px solid var(--gray-light); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding: 24px 4px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  font-weight:700; font-size: 1.02rem; color: var(--black);
}
.faq-q .plus{
  flex-shrink:0; width:28px; height:28px; border-radius:50%; border: 1.5px solid var(--black);
  position:relative; transition: transform .3s var(--ease), background .3s ease;
}
.faq-q .plus::before, .faq-q .plus::after{
  content:""; position:absolute; background: var(--black); top:50%; left:50%; transform:translate(-50%,-50%);
}
.faq-q .plus::before{ width:12px; height:2px; }
.faq-q .plus::after{ width:2px; height:12px; transition: opacity .25s ease; }
.faq-item.open .faq-q .plus{ background: var(--gradient); border-color:transparent; transform: rotate(180deg); }
.faq-item.open .faq-q .plus::before, .faq-item.open .faq-q .plus::after{ background:#fff; }
.faq-item.open .faq-q .plus::after{ opacity:0; }
.faq-a{
  max-height:0; overflow:hidden; transition: max-height .4s var(--ease);
}
.faq-a p{ padding: 0 4px 24px; color:#4a4a4a; max-width: 640px; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--black); color: #fff; padding: 72px 0 28px; }
.footer-top{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo{ font-weight:900; font-size:1.6rem; color:#fff; margin-bottom: 16px; display:block; }
.footer-tag{ color: rgba(255,255,255,0.6); font-size:.94rem; max-width: 280px; }
.footer-col h4{ color:#fff; font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom: 18px; }
.footer-col ul li{ margin-bottom: 12px; }
.footer-col a{ color: rgba(255,255,255,0.68); font-size:.94rem; transition: color .25s ease; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  padding-top: 24px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:14px;
}
.footer-bottom p{ margin:0; color: rgba(255,255,255,0.5); font-size:.82rem; }
.footer-legal{ display:flex; gap: 24px; }
.footer-legal a{ color: rgba(255,255,255,0.5); font-size:.82rem; }
.footer-legal a:hover{ color:#fff; }

/* ---------- WhatsApp float ---------- */
.wa-float{
  position: fixed; bottom: 24px; right: 24px; z-index: 800;
  width: 56px; height:56px; border-radius:50%; background: #050505;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 26px rgba(5,5,5,0.3);
  transition: transform .3s var(--ease);
}
.wa-float:hover{ transform: scale(1.08); }
.wa-float svg{ width:26px; height:26px; }

/* ---------- Page hero (subpages) ---------- */
.page-hero{ padding: clamp(64px,9vw,110px) 0 clamp(40px,6vw,64px); }
.page-hero .eyebrow{ }
.page-hero h1{ max-width: 900px; }
.breadcrumb{ font-size:.85rem; color: var(--gray-mid); margin-bottom: 20px; }
.breadcrumb a{ color: var(--purple-deep); font-weight:700; }

/* ---------- Servicios detalle page ---------- */
.service-detail{
  padding: 56px 0; border-bottom: 1px solid var(--gray-light);
  display:grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items:start;
}
.service-detail:last-of-type{ border-bottom:none; }
.service-detail .sd-index{ font-weight:900; font-size:3rem; color: var(--gray-light); line-height:1; }
.sd-tags{ display:flex; gap:10px; flex-wrap:wrap; margin: 18px 0 22px; }
.sd-tag{ background: var(--gray-light); padding: 6px 14px; border-radius:100px; font-size:.78rem; font-weight:700; }
.sd-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 26px 0 30px; }
.sd-block h4{ font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; color: var(--purple-deep); margin-bottom:10px; }
.sd-block ul li{ position:relative; padding-left:20px; margin-bottom:8px; font-size:.94rem; color:#4a4a4a; }
.sd-block ul li::before{ content:""; position:absolute; left:0; top:9px; width:6px; height:6px; border-radius:50%; background: var(--gradient); }

/* ---------- Contact split (Contacto: formulario / info) ---------- */
.contact-split{
  display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 56px; align-items:start;
}
@media (max-width: 1024px){
  .contact-split{ grid-template-columns: minmax(0,1fr); gap: 40px; }
}

/* ---------- About split (Nosotros: historia / propósito / filosofía) ---------- */
.about-split{
  display:grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 56px; align-items:start;
}
@media (max-width: 860px){
  .about-split{ grid-template-columns: minmax(0,1fr); gap: 16px; }
}

/* ---------- Case study page ---------- */
.case-hero{ padding: 60px 0 40px; }
.case-meta{
  display:flex; flex-wrap:wrap; gap: 28px; margin: 30px 0 40px; padding: 24px 0;
  border-top: 1px solid var(--gray-light); border-bottom: 1px solid var(--gray-light);
}
.case-meta div{ min-width: 140px; }
.case-meta span{ display:block; font-size:.76rem; text-transform:uppercase; letter-spacing:.06em; color: var(--gray-mid); margin-bottom:6px; }
.case-meta strong{ font-size:.98rem; }
.case-hero-media{ border-radius: var(--radius-lg); overflow:hidden; margin-top: 30px; box-shadow: 0 30px 70px rgba(5,5,5,0.15); }
.case-section{ padding: 44px 0; display:grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
.case-section h3{ position:sticky; top:110px; }
.case-gallery{ display:grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 20px; }
.case-gallery .mockup-frame:first-child{ grid-column: 1/-1; }
.case-reflection{ background: var(--gray-light); border-radius: var(--radius-lg); padding: clamp(30px,5vw,52px); margin: 40px 0; }
.case-nav{ display:flex; justify-content:space-between; align-items:center; padding: 40px 0; border-top:1px solid var(--gray-light); }

/* ---------- Utilities ---------- */
.mt-0{ margin-top:0; }
.badge-team{
  display:inline-block; background: var(--black); color:#fff; font-size:.68rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.05em; padding:5px 12px; border-radius:100px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1180px){
  .container{ max-width: 980px; }
  .nav-links{ gap: 22px; }
  .nav-cta .btn-outline{ display:none; }
}

@media (max-width: 1080px){
  .nav-links{ gap: 16px; font-size: .92rem; }
  .nav-cta .btn-primary{ padding: 11px 18px; font-size: .82rem; }
}

@media (max-width: 1024px){
  .services-grid, .projects-grid{ grid-template-columns: repeat(2, 1fr); }
  .team-grid{ grid-template-columns: 1fr; max-width:520px; margin-left:auto; margin-right:auto; }
  .diff-grid{ grid-template-columns: 1fr; }
  .timeline{ grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .timeline::before{ display:none; }
  .hero-grid{ gap: 40px; }
  .case-section{ grid-template-columns: 1fr; gap: 20px; }
  .case-section h3{ position:static; }
  .service-detail{ grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 860px){
  .site-header .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .hamburger{ display:flex; }
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ min-height: 380px; order:-1; }
  .hero-video video, .hero-video iframe{ min-height:380px; }
  .problem-grid{ grid-template-columns: 1fr; }
  .value-visual{ grid-template-columns: repeat(2,1fr); gap: 16px 40px; }
  .value-chip:not(:last-child)::after{ display:none; }
  .services-grid, .projects-grid, .testi-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .form-grid{ grid-template-columns: minmax(0,1fr); }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .case-gallery{ grid-template-columns: 1fr; }
}

@media (max-width: 480px){
  .footer-top{ grid-template-columns: 1fr; }
  .timeline{ grid-template-columns: 1fr; }
  .btn-group{ flex-direction:column; align-items:stretch; }
  .btn-group .btn{ width:100%; }
  .wa-float{ width:50px; height:50px; bottom:16px; right:16px; }
  h1{ font-size: clamp(2rem, 9vw, 2.6rem); }
  .mockup-card.c3{ display:none; }
}