/* ========================================
   MINDRUSH - MAIN STYLESHEET
   Brand Book v1.0 · Híbrido B — Terminal × Node
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600&family=Geist+Mono:wght@400;500;600&display=swap');

/* ========================================
   CSS VARIABLES & THEME
   ======================================== */

:root {
  /* Brand Colors — Brand Book v1.0 */
  --ink: #0A0A0C;
  --paper: #FAFAF7;
  --paper-2: #F2F1EC;
  --line: rgba(10,10,12,0.10);
  --line-strong: rgba(10,10,12,0.20);
  --mute: #6B6B73;
  --purple: #7A3CFF;   /* Synapse */
  --blue: #1FA3FF;     /* Signal */
  --mist: #E7E6F5;

  /* Legacy aliases */
  --primary: #7A3CFF;
  --secondary: #1FA3FF;
  --background: #FAFAF7;
  --surface: #F2F1EC;
  --foreground: #0A0A0C;
  --muted-foreground: #6B6B73;
  --border: rgba(10,10,12,0.10);

  /* Radius */
  --radius-pill: 9999px;
  --radius-bento: 1.25rem;

  /* Shadows */
  --shadow-tech: 0 20px 25px -5px rgba(0,0,0,0.05), 0 10px 10px -5px rgba(0,0,0,0.02);
  --shadow-glow: 0 0 40px rgba(122,60,255,0.12);
}

/* ========================================
   BASE STYLES
   ======================================== */

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: 'Geist', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
}

.mono, code, kbd {
  font-family: 'Geist Mono', ui-monospace, monospace;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

.font-black {
  font-weight: 600;
}

.tracking-tighter {
  letter-spacing: -0.035em;
}

.tracking-widest {
  letter-spacing: 0.15em;
}

h1, .h1 {
  font-family: 'Geist Mono', monospace;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.95;
}

.text-gradient {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-brand-gradient {
  background: linear-gradient(135deg, var(--purple) 0%, var(--blue) 100%);
}

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

.btn-pill {
  border-radius: 10px;
  padding: 0.75rem 2rem;
  font-family: 'Geist Mono', monospace;
  font-weight: 500;
  transition:
    transform 400ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 400ms cubic-bezier(0.4, 0, 0.2, 1),
    background-color 400ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 400ms cubic-bezier(0.4, 0, 0.2, 1),
    color 400ms cubic-bezier(0.4, 0, 0.2, 1),
    opacity 400ms cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(122,60,255,0.2);
  opacity: 0.9;
}

.btn-outline {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--purple);
  color: var(--purple);
  background-color: var(--mist);
}

/* ========================================
   CARDS & BENTO GRID
   ======================================== */

.bento-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-bento);
  padding: 2.5rem;
  transition:
    transform 400ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 400ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 400ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122,60,255,0.25);
  box-shadow: var(--shadow-glow);
}

.glow-blur {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(122,60,255,0.08) 0%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav-glass {
  background: rgba(250,250,247,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  transition: background 350ms ease, border-color 350ms ease, backdrop-filter 350ms ease;
}
.nav-glass.nav-top {
  background: transparent;
  backdrop-filter: none;
  border-bottom-color: transparent;
}
.nav-glass.nav-top .nav-link        { color: rgba(255,255,255,0.82); }
.nav-glass.nav-top .nav-link:hover  { color: #fff; }
.nav-wordmark                        { color: #0A0A0C; transition: color 350ms ease; }
.nav-glass.nav-top .nav-wordmark    { color: #fff; }
.nav-glass.nav-top .nav-lang-active { background: rgba(255,255,255,0.15); color: #fff; }
.nav-glass.nav-top .nav-lang-idle   { color: rgba(255,255,255,0.50); }
.nav-glass.nav-top .nav-lang-idle:hover { color: #fff; }
.nav-glass.nav-top .nav-hamburger   { color: rgba(255,255,255,0.80); }

/* ========================================
   FORMS & INPUTS
   ======================================== */

input, textarea, select {
  background: var(--paper-2);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.75rem 1.25rem;
  font-family: 'Geist', system-ui, sans-serif;
  color: var(--ink);
  transition:
    border-color 300ms ease,
    box-shadow 300ms ease,
    background-color 300ms ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(122,60,255,0.15);
}

input::placeholder,
textarea::placeholder {
  color: var(--mute);
}

/* ========================================
   UTILITY CLASSES - Colors
   ======================================== */

/* New brand colors */
.bg-\[\#0A0A0C\] { background-color: #0A0A0C; }
.bg-\[\#FAFAF7\] { background-color: #FAFAF7; }
.bg-\[\#F2F1EC\] { background-color: #F2F1EC; }
.bg-\[\#E7E6F5\] { background-color: #E7E6F5; }
.bg-\[\#7A3CFF\] { background-color: #7A3CFF; }
.bg-\[\#1FA3FF\] { background-color: #1FA3FF; }

/* Legacy aliases — map old colors to new brand */
.bg-\[\#111827\] { background-color: #0A0A0C; }
.bg-\[\#110D2A\] { background-color: #0A0A0C; }
.bg-\[\#FDFDFD\] { background-color: #FAFAF7; }
.bg-\[\#FAFAFA\] { background-color: #F2F1EC; }
.bg-\[\#F5F1FF\] { background-color: #E7E6F5; }
.bg-\[\#EEF2FA\] { background-color: #E7E6F5; }
.bg-\[\#E8EDFF\] { background-color: #E7E6F5; }
.bg-\[\#06b6d4\] { background-color: #1FA3FF; }
.bg-\[\#a855f7\] { background-color: #7A3CFF; }

.border-\[\#EAE4FF\] { border-color: rgba(10,10,12,0.10); }

.text-\[\#111827\] { color: #0A0A0C; }
.text-\[\#0A0A0C\] { color: #0A0A0C; }
.text-\[\#06b6d4\] { color: #1FA3FF; }
.text-\[\#a855f7\] { color: #7A3CFF; }
.text-\[\#7A3CFF\] { color: #7A3CFF; }
.text-\[\#1FA3FF\] { color: #1FA3FF; }

.section-dark {
  background: #0A0A0C;
  color: white;
}

.text-muted {
  color: var(--mute);
}

/* ========================================
   UTILITY CLASSES - Typography Sizes
   ======================================== */

.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.text-\[120px\] { font-size: 120px; line-height: 1; }

.leading-\[0\.85\] { line-height: 0.85; }

/* ========================================
   UTILITY CLASSES - Spacing
   ======================================== */

.gap-24 { gap: 6rem; }
.gap-20 { gap: 5rem; }
.gap-16 { gap: 4rem; }
.gap-12 { gap: 3rem; }
.gap-8 { gap: 2rem; }

.mb-24 { margin-bottom: 6rem; }
.mb-20 { margin-bottom: 5rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 1rem; }

.py-32 { padding-top: 8rem; padding-bottom: 8rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }

.pt-40 { padding-top: 10rem; }
.pt-24 { padding-top: 6rem; }
.pt-8 { padding-top: 2rem; }

.pb-24 { padding-bottom: 6rem; }
.pb-8 { padding-bottom: 2rem; }

/* ========================================
   UTILITY CLASSES - Positioning
   ======================================== */

.-top-16 { top: -4rem; }
.-left-4 { left: -1rem; }
.-mr-64 { margin-right: -16rem; }
.-mt-64 { margin-top: -16rem; }
.-ml-64 { margin-left: -16rem; }
.-mb-48 { margin-bottom: -12rem; }

/* ========================================
   UTILITY CLASSES - Grid (Responsive)
   ======================================== */

.md\:grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.md\:grid-cols-6 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.md\:col-span-4 {
  grid-column: span 4 / span 4;
}
.md\:col-span-2 {
  grid-column: span 2 / span 2;
}
.lg\:grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.lg\:grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.lg\:col-span-2 {
  grid-column: span 2 / span 2;
}

/* ========================================
   RESPONSIVE TYPOGRAPHY
   ======================================== */

@media (min-width: 768px) {
  .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
  .md\:text-8xl { font-size: 6rem; line-height: 1; }
  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
  .md\:pt-56 { padding-top: 14rem; }
  .md\:pb-40 { padding-bottom: 10rem; }
  .md\:h-10 { height: 2.5rem; }
  .md\:gap-20 { gap: 5rem; }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
}

@media (min-width: 1024px) {
  .lg\:text-9xl { font-size: 8rem; line-height: 1; }
}

/* ========================================
   HOVER STATES
   ======================================== */

.hover\:text-\[\#a855f7\]:hover { color: #7A3CFF; }
.hover\:text-\[\#7A3CFF\]:hover { color: #7A3CFF; }
.hover\:text-\[\#111827\]:hover { color: #0A0A0C; }
.hover\:text-white:hover { color: white; }
.hover\:bg-black:hover { background-color: #0A0A0C; }
.hover\:bg-gray-100:hover { background-color: var(--paper-2); }
.group:hover .group-hover\:text-purple-50 { color: rgb(245 243 255); }
.group:hover .group-hover\:text-cyan-50 { color: rgb(236 254 255); }
.group:hover .group-hover\:w-full { width: 100%; }

/* ========================================
   ACCESSIBILITY
   ======================================== */

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

.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

.animate-fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-scroll {
  animation: scroll 8s linear infinite;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(20px); }
}

/* ========================================
   FORM — PROJECT TYPE RADIO
   ======================================== */

.project-type-option {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.project-type-option span {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 8px;
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid var(--line-strong);
  color: var(--mute);
  background: var(--paper-2);
  transition: all 250ms ease;
  user-select: none;
}

.project-type-option input:checked + span {
  background: linear-gradient(135deg, #7A3CFF, #1FA3FF);
  color: white;
  border-color: transparent;
}

.project-type-option:hover span {
  border-color: var(--purple);
  color: var(--purple);
}

.project-type-option input:focus-visible + span {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}

/* ========================================
   FORM — Light theme inputs
   ======================================== */

.bg-gray-50 {
  background-color: var(--paper-2);
}

.border-gray-200 {
  border-color: var(--line-strong);
}

/* ========================================
   SERVICE CARDS — Neon / Electric hover
   ======================================== */

.service-card {
  transition:
    transform 500ms cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 500ms cubic-bezier(0.23, 1, 0.32, 1),
    border-color 500ms ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(122,60,255,0.55) !important;
  box-shadow:
    0 0 0 1px rgba(122,60,255,0.3),
    0 0 10px rgba(122,60,255,0.5),
    0 0 28px rgba(122,60,255,0.25),
    0 0 64px rgba(122,60,255,0.12),
    0 0 80px rgba(31,163,255,0.08),
    0 24px 48px rgba(10,10,12,0.08);
}

.service-card-blue:hover {
  border-color: rgba(31,163,255,0.55) !important;
  box-shadow:
    0 0 0 1px rgba(31,163,255,0.3),
    0 0 10px rgba(31,163,255,0.5),
    0 0 28px rgba(31,163,255,0.25),
    0 0 64px rgba(31,163,255,0.12),
    0 0 80px rgba(122,60,255,0.08),
    0 24px 48px rgba(10,10,12,0.08);
}

.service-card-img {
  transition: transform 500ms cubic-bezier(0.23, 1, 0.32, 1);
}

.service-card:hover .service-card-img {
  transform: scale(1.05);
}

/* ========================================
   REDUCED MOTION (Accessibility)
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}