/* =============================================================
   VEXUM DIGITAL STUDIO — style.css
   1. Tokens
   2. Reset & base
   3. Utilities
   4. Typography
   5. Components (btn, nav, card, form, accordion)
   6. Sections
   7. Effects
   8. Responsive
   9. Reduced motion
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --black: #0b0b0b;
  --black-2: #111214;
  --black-3: #17181b;
  --white: #ffffff;
  --gray-light: #f4f6f8;
  --gray-mid: #c9cdd3;
  --gray-mute: #8a8f98;
  --blue: #0066ff;
  --blue-soft: #3d85ff;
  --blue-deep: #0047b3;
  --line-dark: rgba(255, 255, 255, 0.1);
  --line-light: rgba(11, 11, 11, 0.1);

  --sans: "Plus Jakarta Sans", "Inter", "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
  --radius-sm: 8px;
  --nav-h: 76px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}
html.no-scroll, html.no-scroll body { overflow: hidden; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, select, textarea { font: inherit; color: inherit; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; }
::selection { background: var(--blue); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: 0.6rem 1rem; background: var(--blue); color: var(--white);
  border-radius: var(--radius-sm); font-weight: 600;
  transition: top 0.3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

[hidden] { display: none !important; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.section-dark { background: var(--black); color: var(--white); }
.section-gray { background: var(--gray-light); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue); box-shadow: 0 0 0 4px rgba(0,102,255,0.18);
}

.section-head {
  max-width: 760px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head--center { margin-inline: auto; text-align: center; }

.divider { height: 1px; background: var(--line-light); border: 0; }
.section-dark .divider { background: var(--line-dark); }

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* =============================================================
   4. Typography
   ============================================================= */
.h1 { font-size: clamp(2.6rem, 6.4vw, 5.4rem); font-weight: 800; }
.h2 { font-size: clamp(2rem, 4.2vw, 3.4rem); font-weight: 800; }
.h3 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); font-weight: 700; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--gray-mute); }
.section-dark .lead { color: var(--gray-mid); }

.text-accent { color: var(--blue); }

/* =============================================================
   5. Components
   ============================================================= */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  font-weight: 700; font-size: 0.95rem;
  transition: transform 0.3s var(--ease-out), background 0.3s var(--ease-out), color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--blue); color: var(--white); box-shadow: 0 10px 24px -8px rgba(0,102,255,0.55); }
.btn-primary:hover { background: var(--blue-soft); }

.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--black-3); }

.btn-ghost { background: transparent; color: currentColor; border: 1.5px solid var(--line-light); }
.section-dark .btn-ghost { border-color: var(--line-dark); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost-invert { border-color: rgba(255,255,255,0.22); }
.btn-ghost-invert:hover { border-color: var(--blue-soft); color: var(--blue-soft); }

.btn-white { background: var(--white); color: var(--black); }
.btn-white:hover { background: var(--gray-light); }

.btn-sm { padding: 0.7rem 1.3rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* Header / Nav */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 500;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(11,11,11,0.0);
  backdrop-filter: blur(0px);
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(11,11,11,0.72);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--line-dark);
}
.header-inner {
  width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.header-logo { display: flex; align-items: center; color: var(--white); }
.header-logo svg { height: 30px; width: auto; }

.header-nav { display: none; }
.header-nav ul { display: flex; align-items: center; gap: 2.1rem; }
.header-nav a {
  color: var(--gray-mid); font-size: 0.92rem; font-weight: 600;
  position: relative; padding-block: 0.3rem;
}
.header-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px;
  background: var(--blue); transition: right 0.35s var(--ease-out);
}
.header-nav a:hover { color: var(--white); }
.header-nav a:hover::after { right: 0; }

.header-cta { display: none; }

.menu-toggle {
  width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--white); border-radius: 50%;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: currentColor;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
  position: relative;
}
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 480;
  background: var(--black);
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem var(--gutter) 3rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out), visibility 0.4s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 1.1rem; margin-bottom: 2.5rem; }
.mobile-menu a { color: var(--white); font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; }
.mobile-menu a:hover { color: var(--blue); }
.mobile-menu-foot { display: flex; flex-direction: column; gap: 1rem; }

/* Cards generic */
.card {
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem);
}
.section-dark .card { background: var(--black-2); border-color: var(--line-dark); }

/* Accordion (FAQ) */
.accordion-item {
  border-bottom: 1px solid var(--line-light);
}
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 1.4rem; text-align: left; font-weight: 700; font-size: 1.05rem;
}
.accordion-trigger .icon {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  border: 1.5px solid var(--line-light);
  display: flex; align-items: center; justify-content: center;
  position: relative; transition: transform 0.35s var(--ease-out), border-color 0.3s;
}
.accordion-trigger .icon::before, .accordion-trigger .icon::after {
  content: ""; position: absolute; background: var(--black); transition: opacity 0.25s;
}
.accordion-trigger .icon::before { width: 10px; height: 1.5px; }
.accordion-trigger .icon::after { width: 1.5px; height: 10px; }
.accordion-item.is-open .accordion-trigger .icon { transform: rotate(180deg); border-color: var(--blue); }
.accordion-item.is-open .accordion-trigger .icon::after { opacity: 0; }

.accordion-panel {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s var(--ease-out);
}
.accordion-panel > div { overflow: hidden; }
.accordion-panel p { padding-bottom: 1.4rem; color: var(--gray-mute); max-width: 62ch; }
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }

/* Forms */
.form-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
.form-field { display: flex; flex-direction: column; gap: 0.5rem; }
.form-field label { font-size: 0.85rem; font-weight: 700; color: var(--gray-mid); }
.form-field input, .form-field select, .form-field textarea {
  background: var(--black-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--white);
  transition: border-color 0.25s, background 0.25s;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--gray-mute); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--blue); outline: none;
}
.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8F98' stroke-width='1.6' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-status { margin-top: 1rem; font-size: 0.9rem; color: var(--blue-soft); }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero --- */
.hero {
  position: relative;
  background: var(--black);
  color: var(--white);
  min-height: 100svh;
  padding-top: calc(var(--nav-h) + clamp(2rem, 6vw, 4rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: clip;
  display: flex;
  align-items: center;
  --mx: 65%;
  --my: 30%;
}
.hero-glow {
  position: absolute; inset: -10%;
  background:
    radial-gradient(560px circle at var(--mx) var(--my), rgba(0,102,255,0.35), transparent 60%),
    radial-gradient(900px circle at 10% 100%, rgba(0,102,255,0.12), transparent 55%);
  filter: blur(10px);
  pointer-events: none;
  transition: background 0.4s ease-out;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 90%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 2;
  width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter);
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  align-items: center;
}
.hero-kicker {
  display: flex; align-items: center; gap: 0.8rem;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gray-mid);
  margin-bottom: 0.6rem;
}
.hero-kicker::before {
  content: ""; width: 30px; height: 1.5px; background: var(--line-dark); flex-shrink: 0;
}
.hero-title {
  font-size: clamp(3rem, 8.4vw, 6.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.94;
}
.hero-title .text-accent {
  background: linear-gradient(100deg, var(--blue-soft) 0%, var(--blue) 55%, var(--blue-soft) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 34px rgba(0,102,255,0.35));
}
.hero-title-strong { font-weight: 900; position: relative; }
.hero-sub {
  margin-top: clamp(1.4rem, 2.6vw, 2rem);
  max-width: 46ch;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--gray-mid);
}
.hero-actions {
  margin-top: 2.2rem;
  display: flex; flex-wrap: wrap; gap: 0.9rem;
}
.hero-tags {
  margin-top: clamp(2.6rem, 6vw, 4rem);
  display: flex; flex-wrap: wrap; gap: 0.6rem 0;
  border-top: 1px solid var(--line-dark);
  padding-top: 1.4rem;
}
.hero-tags span {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; color: var(--gray-mute);
  padding-inline: 1.1rem;
  position: relative;
}
.hero-tags span:first-child { padding-left: 0; }
.hero-tags span:not(:last-child)::after {
  content: "/"; position: absolute; right: -0.15rem; color: var(--line-dark);
}

/* Hero mockup (composicion visual, sin fotos ni graficos genericos) */
.hero-visual { position: relative; padding: 2.4rem 1.6rem 1.6rem; }
.hero-visual-deco {
  position: absolute; inset: -10% -8% auto auto; width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0,102,255,0.16), transparent 68%);
  filter: blur(8px); pointer-events: none; z-index: 0;
}
.hero-visual-ring {
  position: absolute; width: 340px; height: 340px; max-width: 90%;
  border: 1px solid var(--line-dark); border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  pointer-events: none; z-index: 0;
}
.hero-visual-ring::before {
  content: ""; position: absolute; inset: 13%;
  border: 1px solid var(--line-dark); border-radius: 50%;
}

.browser-mock {
  position: relative; z-index: 1;
  border-radius: 16px;
  border: 1px solid var(--line-dark);
  background: linear-gradient(180deg, var(--black-2), var(--black));
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.02);
  overflow: hidden;
}
.browser-mock-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line-dark);
}
.browser-mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.16); }
.browser-mock-bar .url {
  margin-left: 0.75rem; flex: 1;
  height: 22px; border-radius: 999px; background: rgba(255,255,255,0.05);
  font-size: 0.7rem; color: var(--gray-mute);
  display: flex; align-items: center; gap: 0.4rem; padding-inline: 0.8rem;
}
.browser-mock-bar .url svg { width: 10px; height: 10px; flex-shrink: 0; opacity: 0.6; }
.browser-mock-body { padding: 1.5rem; display: grid; gap: 0.7rem; }
.mock-bar { height: 10px; border-radius: 6px; background: rgba(255,255,255,0.08); }
.mock-bar.w-70 { width: 70%; }
.mock-bar.w-45 { width: 45%; }
.mock-bar.w-90 { width: 90%; }
.mock-bar.blue { background: linear-gradient(90deg, var(--blue), var(--blue-soft)); height: 34px; width: 42%; border-radius: 8px; margin-top: 0.5rem; }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-top: 0.8rem; }
.mock-grid div { aspect-ratio: 1; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid var(--line-dark); position: relative; overflow: hidden; }
.mock-grid div::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,102,255,0.16), transparent 60%);
}

/* Deck: laptop + telefono flotante detras del navegador */
.hero-visual-stage { position: relative; z-index: 1; }
.hero-phone {
  position: absolute; z-index: 2;
  bottom: -9%; left: -11%;
  width: 100px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.16);
  background: linear-gradient(180deg, #202226, var(--black));
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.8), 0 0 0 6px rgba(0,102,255,0.05);
  padding: 10px 8px;
  animation: floatY 7s ease-in-out infinite;
}
.hero-phone-notch { width: 26px; height: 4px; border-radius: 999px; background: rgba(255,255,255,0.14); margin: 0 auto 8px; }
.hero-phone-body { display: grid; gap: 6px; }
.hero-phone-body .mock-bar { height: 6px; }
.hero-phone-body .mock-bar.blue { height: 20px; margin-top: 4px; }

.float-card {
  position: absolute; z-index: 2;
  border-radius: 12px;
  background: rgba(17,18,20,0.92);
  border: 1px solid var(--line-dark);
  backdrop-filter: blur(10px);
  padding: 0.85rem 1.1rem;
  display: flex; align-items: center; gap: 0.7rem;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6);
  animation: floatY 6s ease-in-out infinite;
}
.float-card--speed { top: -5%; right: -6%; }
.float-card--conv { bottom: -4%; right: 8%; animation-delay: -3s; }
.float-card .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(0,102,255,0.2); flex-shrink: 0; }
.float-card strong { display: block; font-size: 0.86rem; letter-spacing: 0.01em; }
.float-card span { font-size: 0.7rem; color: var(--gray-mute); }

.hero-visual-badge {
  position: absolute; z-index: 2; top: -8%; left: 6%;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--black-2); border: 1px solid var(--line-dark);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 16px 34px -14px rgba(0,0,0,0.7);
  animation: floatY 8s ease-in-out infinite; animation-delay: -1.4s;
}
.hero-visual-badge svg { width: 20px; height: 20px; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Proyectos --- */
.projects-grid { display: grid; gap: clamp(2rem, 4vw, 2.8rem); }
.project-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: var(--black);
  color: var(--white);
  transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
  will-change: transform;
}
.project-card:hover {
  border-color: rgba(0,102,255,0.4);
  box-shadow: 0 40px 90px -30px rgba(0,102,255,0.28);
}
.project-card-visual {
  position: relative;
  padding: clamp(2.4rem, 5vw, 3.6rem) clamp(1.6rem, 4vw, 2.6rem);
  min-height: 340px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.project-card-visual::before { content: ""; position: absolute; inset: 0; z-index: 0; }
.project-card--modobar .project-card-visual {
  background: radial-gradient(560px circle at 75% 15%, rgba(0,102,255,0.24), transparent 62%), var(--black);
}
.project-card--modobar .project-card-visual::before {
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 85%);
  opacity: 0.6;
}
.project-card--rinemar .project-card-visual {
  background: radial-gradient(560px circle at 20% 85%, rgba(0,102,255,0.18), transparent 62%), var(--black);
}
.project-card--rinemar .project-card-visual::before {
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 50%, black 35%, transparent 90%);
}

.device-pair { position: relative; z-index: 1; width: 100%; max-width: 380px; padding-bottom: 1.2rem; padding-left: 1rem; }
.device-desktop {
  border-radius: 12px;
  border: 1px solid var(--line-dark);
  background: linear-gradient(180deg, var(--black-2), var(--black));
  box-shadow: 0 34px 70px -24px rgba(0,0,0,0.75);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out);
}
.project-card:hover .device-desktop { transform: translateY(-4px); }
.device-mobile {
  position: absolute; z-index: 2; right: -6%; bottom: -18%;
  width: 30%;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.16);
  background: linear-gradient(180deg, #1c1d20, var(--black));
  box-shadow: 0 26px 50px -18px rgba(0,0,0,0.8);
  padding: 8px 6px;
  transition: transform 0.4s var(--ease-out);
}
.project-card:hover .device-mobile { transform: translateY(-8px); }
.device-mobile .hero-phone-notch { width: 18px; }
.device-mobile .mock-bar { height: 5px; }
.device-mobile .mock-bar.blue { height: 16px; }

.project-card-tags { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.4rem; }
.project-card-tags span {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 0.35rem 0.75rem; border-radius: 999px;
  border: 1px solid var(--line-dark); color: var(--gray-mid);
  background: rgba(255,255,255,0.03);
}

.project-card-body {
  padding: clamp(1.8rem, 3.4vw, 2.6rem);
  border-top: 1px solid var(--line-dark);
}
.project-card-cat {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue-soft); margin-bottom: 0.8rem; display: block;
}
.project-card-title { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 0.9rem; }
.project-card-desc { color: var(--gray-mid); max-width: 56ch; margin-bottom: 1.6rem; }
.project-card-link {
  display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; color: var(--white);
}
.project-card-link .arrow { transition: transform 0.3s var(--ease-out); }
.project-card:hover .project-card-link .arrow { transform: translateX(5px); }

.project-more {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 160px;
  border: 1.5px dashed var(--line-light);
  border-radius: var(--radius);
  color: var(--gray-mute);
  text-align: center;
  padding: 2rem;
}
.project-more strong { color: var(--black); font-size: 1.05rem; }

/* --- Servicios --- */
.services-layout {
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
.services-intro { max-width: 640px; }
.services-interactive { display: grid; gap: 0; grid-template-columns: 1fr; align-items: start; }
.services-list { border-top: 1px solid var(--line-dark); list-style: none; }
.service-row {
  width: 100%;
  display: grid; grid-template-columns: 3rem 1fr auto auto; align-items: center; gap: 1rem;
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--line-dark);
  background: none; border-left: none; border-right: none; border-top: none;
  color: inherit; text-align: left; font: inherit; cursor: pointer;
  transition: padding-left 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.service-row:hover, .service-row:focus-visible { padding-left: 0.8rem; background: rgba(255,255,255,0.03); }
.service-row .num { font-size: 0.85rem; color: var(--gray-mute); font-weight: 700; }
.service-row .name { font-size: clamp(1.05rem, 2vw, 1.4rem); font-weight: 700; }
.service-row .tag {
  font-size: 0.72rem; color: var(--blue-soft); font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; white-space: nowrap;
}
.service-row .plus {
  width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line-dark);
  position: relative; flex-shrink: 0; transition: transform 0.3s var(--ease-out), border-color 0.3s;
}
.service-row .plus::before, .service-row .plus::after { content: ""; position: absolute; background: var(--gray-mid); }
.service-row .plus::before { top: 50%; left: 28%; right: 28%; height: 1.4px; transform: translateY(-50%); }
.service-row .plus::after { left: 50%; top: 28%; bottom: 28%; width: 1.4px; transform: translateX(-50%); transition: opacity 0.3s; }
.service-row.is-open .plus { transform: rotate(45deg); border-color: var(--blue); }
.service-desc {
  grid-column: 1 / -1;
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
}
.service-desc > div { overflow: hidden; }
.service-desc p { padding: 0 0 1.2rem 3rem; color: var(--gray-mid); font-size: 0.92rem; max-width: 52ch; }
.service-row.is-open + .service-desc { grid-template-rows: 1fr; }

.services-preview {
  display: none;
}
.services-preview-inner {
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.4rem);
  background: radial-gradient(360px circle at 80% 0%, rgba(0,102,255,0.12), transparent 60%), var(--black-2);
  min-height: 220px;
  display: flex; flex-direction: column; justify-content: center;
  transition: opacity 0.25s var(--ease-out);
}
.services-preview-num { font-size: 0.85rem; font-weight: 700; color: var(--blue-soft); margin-bottom: 0.8rem; display: block; }
.services-preview-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 0.7rem; }
.services-preview-desc { color: var(--gray-mid); max-width: 40ch; }

/* --- Propuesta de valor --- */
.value-grid {
  display: grid; gap: 2rem;
  grid-template-columns: repeat(2, 1fr);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
.value-item { border-top: 2px solid var(--black); padding-top: 1.2rem; }
.value-item .num { font-size: 0.8rem; font-weight: 700; color: var(--blue); display: block; margin-bottom: 0.6rem; }
.value-item h3 { margin-bottom: 0.5rem; }
.value-item p { color: var(--gray-mute); }

/* --- Proceso --- */
.process-list { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.process-item {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.2rem;
  padding-block: 1.8rem;
  border-top: 1px solid var(--line-light);
  position: relative;
}
.process-item:last-child { border-bottom: 1px solid var(--line-light); }
.process-item .num {
  font-size: 1.3rem; font-weight: 800; color: var(--blue);
}
.process-item h3 { margin-bottom: 0.4rem; }
.process-item p { color: var(--gray-mute); max-width: 56ch; }

/* --- Planes --- */
.plans-grid {
  display: grid; gap: 1.6rem;
  grid-template-columns: 1fr;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}
.plan-card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  padding: clamp(1.8rem, 3vw, 2.4rem);
  display: flex; flex-direction: column;
  background: var(--white);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.plan-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(11,11,11,0.25); }
.plan-card--featured {
  border-color: rgba(0,102,255,0.5);
  background: linear-gradient(175deg, var(--black-3), var(--black));
  color: var(--white);
  box-shadow: 0 30px 70px -30px rgba(0,102,255,0.4);
}
.plan-card--featured::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  border-radius: var(--radius) var(--radius) 0 0;
}
.plan-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--blue-soft);
  margin-bottom: 0.9rem;
}
.plan-badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.22);
}
.plan-card--featured .plan-name { margin-top: 0; }
.plan-name { font-size: 0.9rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.8rem; }
.plan-card--featured .plan-name { color: var(--blue-soft); }
.plan-price { font-size: clamp(1.8rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 0.3rem; }
.plan-price small { font-size: 0.95rem; font-weight: 600; color: var(--gray-mute); }
.plan-card--featured .plan-price small { color: var(--gray-mid); }
.plan-desc { color: var(--gray-mute); font-size: 0.9rem; margin-bottom: 1.6rem; }
.plan-card--featured .plan-desc { color: var(--gray-mid); }
.plan-features { display: grid; gap: 0.75rem; margin-bottom: 2rem; flex: 1; }
.plan-features li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.94rem; }
.plan-features li::before {
  content: ""; flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px;
  border-radius: 50%; background: rgba(0,102,255,0.14);
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8'%3E%3Cpath d='M1 4l3 3 5-6' stroke='%230066FF' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.plans-note { text-align: center; margin-top: 2.4rem; color: var(--gray-mute); max-width: 52ch; margin-inline: auto; }

/* Web Custom — banda independiente, no una 4ta tarjeta */
.custom-band {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  background: linear-gradient(135deg, var(--black), var(--black-3));
  color: var(--white);
  padding: clamp(1.6rem, 3vw, 2.2rem) clamp(1.6rem, 3vw, 2.4rem);
  display: flex; flex-direction: column; gap: 1.4rem;
  align-items: flex-start;
  position: relative; overflow: clip;
}
.custom-band::before {
  content: ""; position: absolute; inset: auto -10% -60% auto; width: 40%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0,102,255,0.22), transparent 65%);
  pointer-events: none;
}
.custom-band-copy { position: relative; z-index: 1; }
.custom-band-copy .plan-name { color: var(--blue-soft); }
.custom-band-copy .plan-price { color: var(--white); font-size: 1.5rem; }
.custom-band-copy .plan-desc { color: var(--gray-mid); max-width: 62ch; margin-bottom: 0; }
.custom-band-cta {
  position: relative; z-index: 1;
  border-color: rgba(255,255,255,0.22); color: var(--white);
  flex-shrink: 0;
}
.custom-band-cta:hover { border-color: var(--blue-soft); color: var(--blue-soft); }

/* --- VEXUM Care (distinto de Planes: acompañamiento, no desarrollo) --- */
.care-section {
  background: var(--black); color: var(--white);
  position: relative; overflow: clip;
}
.care-pulse {
  position: absolute; inset: auto 0 12% 0; height: 200px;
  opacity: 0.5; pointer-events: none;
}
.care-pulse svg { width: 100%; height: 100%; }
.care-pulse-line {
  filter: drop-shadow(0 0 8px rgba(0,102,255,0.5));
  stroke-dasharray: 22 14;
  animation: pulseTravel 9s linear infinite;
}
@keyframes pulseTravel { to { stroke-dashoffset: -720; } }
.care-layout {
  position: relative; z-index: 1;
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  align-items: center;
}
.care-price { font-size: 2.1rem; font-weight: 800; margin-top: 1.4rem; }
.care-price small { font-size: 1rem; color: var(--gray-mid); font-weight: 600; }
.care-list-card {
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.4rem);
  background: rgba(255,255,255,0.02);
}
.care-list { display: grid; gap: 0.85rem; grid-template-columns: repeat(2, 1fr); }
.care-list li { font-size: 0.92rem; display: flex; gap: 0.5rem; align-items: flex-start; color: var(--gray-mid); }
.care-list li::before { content: "—"; color: var(--blue-soft); flex-shrink: 0; }
.care-note { font-size: 0.8rem; color: var(--gray-mute); margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line-dark); }

/* --- Nosotros --- */
.about-layout {
  display: grid; gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  align-items: start;
}
.about-mark {
  width: 84px; height: 84px;
  border-radius: 20px;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
}
.about-mark svg { width: 40px; height: 40px; }

/* --- CTA final --- */
.cta-final {
  background: var(--black); color: var(--white);
  text-align: center;
  position: relative; overflow: clip;
}
.cta-final::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px circle at 50% 0%, rgba(0,102,255,0.28), transparent 60%);
  pointer-events: none;
}
.cta-final-inner { position: relative; z-index: 1; max-width: 780px; margin-inline: auto; }
.cta-final .hero-actions { justify-content: center; }

/* --- FAQ --- */
.faq-list { max-width: 780px; }

/* --- Contacto --- */
.contact-layout {
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
.contact-side { display: flex; flex-direction: column; gap: 1.6rem; }
.contact-side-item { display: flex; align-items: flex-start; gap: 0.9rem; }
.contact-side-item .ico {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  background: rgba(0,102,255,0.12); color: var(--blue-soft);
  display: flex; align-items: center; justify-content: center;
}
.contact-side-item strong { display: block; margin-bottom: 0.15rem; }
.contact-side-item span, .contact-side-item a { color: var(--gray-mid); font-size: 0.92rem; }
.contact-side-item a:hover { color: var(--blue-soft); }

/* --- Case study (paginas de proyecto) --- */
.case-hero { padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: 2.5rem; }
.case-hero-grid { display: grid; gap: clamp(2rem, 4vw, 3rem); grid-template-columns: 1fr; align-items: center; }
.case-visual { position: relative; z-index: 1; }

.case-split { display: grid; gap: clamp(2rem, 4vw, 3rem); grid-template-columns: 1fr; }
.case-split-item .eyebrow { margin-bottom: 0.9rem; }
.case-split-item p { color: var(--gray-mute); max-width: 56ch; }

.dev-list { display: grid; gap: 0.9rem; margin-top: 1.5rem; grid-template-columns: 1fr; }
.dev-list li {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.9rem 1.1rem; border: 1px solid var(--line-light); border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
}
.dev-list li .check {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: rgba(0,102,255,0.12);
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='9'%3E%3Cpath d='M1 4.5l3 3 6-7' stroke='%230066FF' stroke-width='1.7' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

.case-gallery { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
.case-gallery-slot {
  aspect-ratio: 4 / 3;
  border: 1.5px dashed var(--line-light); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem;
  color: var(--gray-mute); font-size: 0.8rem; text-align: center; padding: 1rem;
  background: var(--gray-light);
}
.case-gallery-slot svg { width: 28px; height: 28px; opacity: 0.5; }

.case-cta {
  text-align: center; padding: clamp(3rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--radius);
  background: var(--black); color: var(--white);
  position: relative; overflow: clip;
}
.case-cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px circle at 50% 0%, rgba(0,102,255,0.26), transparent 60%);
  pointer-events: none;
}
.case-cta > * { position: relative; z-index: 1; }

/* --- Footer --- */
.footer {
  background: var(--black); color: var(--gray-mid);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}
.footer-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand svg { height: 32px; width: auto; margin-bottom: 1rem; }
.footer-brand p { max-width: 34ch; font-size: 0.92rem; }
.footer-col h4 { color: var(--white); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col ul { display: grid; gap: 0.7rem; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
  padding-top: 1.6rem; font-size: 0.8rem; color: var(--gray-mute);
}

/* --- Floating WhatsApp --- */
.float-wa {
  position: fixed; right: clamp(1rem, 3vw, 1.6rem); bottom: clamp(1rem, 3vw, 1.6rem); z-index: 400;
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: var(--black); color: var(--white);
  padding: 0.75rem 1.1rem 0.75rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line-dark);
  box-shadow: 0 16px 40px -14px rgba(0,0,0,0.5);
  opacity: 0; transform: translateY(14px) scale(0.94);
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out), background 0.3s;
}
.float-wa.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.float-wa:hover { background: var(--blue); }
.float-wa .ico {
  width: 32px; height: 32px; border-radius: 50%; background: var(--blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.float-wa .label { font-size: 0.85rem; font-weight: 700; }

/* =============================================================
   7. Effects
   ============================================================= */
.marquee {
  overflow: hidden; white-space: nowrap;
  border-block: 1px solid var(--line-dark);
  padding-block: 0.9rem;
}
.marquee-track {
  display: inline-flex; gap: 2.5rem;
  animation: marquee 26s linear infinite;
}
.marquee span { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-mute); }
.marquee span b { color: var(--blue-soft); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-field--full { grid-column: 1 / -1; }
}

@media (min-width: 720px) {
  .hero-actions { flex-wrap: nowrap; }
  .plans-grid { grid-template-columns: repeat(2, 1fr); }
  .care-list { grid-template-columns: repeat(2, 1fr); }
  .custom-band { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (min-width: 960px) {
  .header-nav { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }

  .hero-inner { grid-template-columns: 1.05fr 0.95fr; }
  .hero-tags { border-top: 0; padding-top: 0; margin-top: clamp(2.6rem, 6vw, 4rem); }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card { grid-template-columns: 1fr; }

  .services-layout { grid-template-columns: 0.8fr 1.2fr; }
  .services-interactive { grid-template-columns: 1.3fr 1fr; gap: clamp(1.5rem, 3vw, 2.5rem); }
  .services-preview { display: block; position: sticky; top: calc(var(--nav-h) + 1.5rem); }

  .value-grid { grid-template-columns: repeat(4, 1fr); }

  .process-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
  .process-item { grid-template-columns: 1fr; border-top: 0; border-bottom: 0; padding: 0 1.2rem 0 0; }
  .process-item:not(:last-child) { border-right: 1px solid var(--line-light); }
  .process-item:last-child { border-bottom: 0; }

  .plans-grid { grid-template-columns: repeat(3, 1fr); }

  .care-layout { grid-template-columns: 1fr 1fr; align-items: center; }

  .about-layout { grid-template-columns: 84px 1fr; }

  .contact-layout { grid-template-columns: 1fr 1.3fr; }

  .case-hero-grid { grid-template-columns: 1fr 1fr; }
  .case-split { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}

@media (min-width: 1280px) {
  .hero-tags span { font-size: 0.82rem; }
}

/* =============================================================
   9. Reduced motion — solo lo intrusivo
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .float-card { animation: none; }
  .marquee-track { animation: none; }
}