/* ============================================================
   DESIGN TOKENS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Manrope:wght@400;500;600&display=swap');

:root {
  /* Surfaces */
  --surface:            #0b1326;
  --surface-low:        #131b2e;
  --surface-high:       #1e2740;
  --surface-highest:    #2d3449;
  --surface-bright:     #3a4260;

  /* Accents */
  --primary:            #d0bcff;
  --primary-container:  #a078ff;
  --tertiary:           #ffb869;

  /* Text */
  --on-surface:         #dae2fd;
  --on-surface-muted:   #8892b0;
  --on-primary:         #0b1326;

  /* Borders (ghost only) */
  --outline-variant:    rgba(73, 68, 84, 0.15);

  /* Gradients */
  --gradient-primary:   linear-gradient(135deg, var(--primary), var(--primary-container));

  /* Typography */
  --font-display:       'Space Grotesk', sans-serif;
  --font-body:          'Manrope', sans-serif;

  /* Scale */
  --display-lg:         3.5rem;
  --display-md:         2.75rem;
  --headline-lg:        2rem;
  --headline-md:        1.5rem;
  --body-lg:            1rem;
  --body-sm:            0.875rem;
  --label-md:           0.75rem;

  /* Spacing */
  --space-xs:           0.5rem;
  --space-sm:           1rem;
  --space-md:           1.5rem;
  --space-lg:           2.5rem;
  --space-xl:           4rem;
  --space-2xl:          6rem;
  --space-3xl:          10rem;

  /* Radius */
  --radius-sm:          0.25rem;
  --radius-md:          0.375rem;
  --radius-lg:          0.75rem;
  --radius-full:        9999px;

  /* Transitions */
  --transition-fast:    150ms ease;
  --transition-base:    250ms ease;
  --transition-slow:    400ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: var(--body-lg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul { list-style: none; }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.display-lg {
  font-family: var(--font-display);
  font-size: var(--display-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.display-md {
  font-family: var(--font-display);
  font-size: var(--display-md);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.headline-lg {
  font-family: var(--font-display);
  font-size: var(--headline-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.headline-md {
  font-family: var(--font-display);
  font-size: var(--headline-md);
  font-weight: 600;
  line-height: 1.3;
}

.body-lg {
  font-family: var(--font-body);
  font-size: var(--body-lg);
  line-height: 1.6;
}

.body-sm {
  font-family: var(--font-body);
  font-size: var(--body-sm);
  line-height: 1.5;
}

.label-md {
  font-family: var(--font-body);
  font-size: var(--label-md);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.text-muted { color: var(--on-surface-muted); }
.text-primary { color: var(--primary); }
.text-tertiary { color: var(--tertiary); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--low {
  background-color: var(--surface-low);
}

/* Asymmetric grid: title left, content offset right */
.grid-editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.grid-editorial__lead {
  position: sticky;
  top: var(--space-xl);
}

/* ============================================================
   EYEBROW
   ============================================================ */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--label-md);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-md);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--label-md);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gradient-primary);
  color: var(--on-primary);
}

.btn--secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(208, 188, 255, 0.2);
}

.btn--secondary:hover {
  background-color: var(--surface-bright);
  opacity: 1;
}

/* Spinner dentro del botón */
.btn-spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(11, 19, 38, 0.35);
  border-top-color: var(--on-primary);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  will-change: transform;
  transition: opacity var(--transition-fast);
}

.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid rgba(208, 188, 255, 0.45);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  will-change: transform;
  transition:
    width  var(--transition-fast),
    height var(--transition-fast),
    border-color var(--transition-fast);
}

.cursor-ring--hover {
  width: 44px;
  height: 44px;
  border-color: rgba(208, 188, 255, 0.75);
}

/* ============================================================
   CHIPS / TAGS
   ============================================================ */
.chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--surface-highest);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background-color: var(--surface-low);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: background-color var(--transition-base);
}

.card:hover {
  background-color: var(--surface-high);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: background-color var(--transition-slow), backdrop-filter var(--transition-slow);
}

.nav.is-scrolled {
  background-color: rgba(11, 19, 38, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--on-surface);
  letter-spacing: -0.01em;
}

.nav__logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--body-sm);
  font-weight: 500;
  color: var(--on-surface-muted);
  transition: color var(--transition-fast);
}

.nav__link:hover, .nav__link.is-active {
  color: var(--on-surface);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--on-surface);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: rgba(11, 19, 38, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.nav__mobile.is-open { display: flex; }

.nav__mobile .nav__link {
  font-family: var(--font-display);
  font-size: var(--headline-md);
  font-weight: 600;
  color: var(--on-surface);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse at center, rgba(160, 120, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__content { max-width: 580px; }

.hero__eyebrow { margin-bottom: var(--space-md); }

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, var(--display-lg));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: var(--space-lg);
  white-space: pre-line;
}

.hero__subheadline {
  font-size: var(--body-lg);
  color: var(--on-surface-muted);
  max-width: 440px;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero__metrics {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding-left: var(--space-xl);
  border-left: 1px solid var(--outline-variant);
}

.hero__metric-value {
  font-family: var(--font-display);
  font-size: var(--display-md);
  font-weight: 700;
  color: var(--tertiary);
  letter-spacing: -0.02em;
}

.hero__metric-label {
  font-size: var(--label-md);
  color: var(--on-surface-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.service-card__icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--headline-md);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--on-surface);
}

.service-card__desc {
  color: var(--on-surface-muted);
  margin-bottom: var(--space-md);
}

.service-card__tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.services__header {
  max-width: 540px;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio__list {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.portfolio-item {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl);
  background-color: var(--surface-low);
  border-radius: var(--radius-lg);
  transition: background-color var(--transition-base);
}

.portfolio-item:hover { background-color: var(--surface-high); }

.portfolio-item__category { margin-bottom: var(--space-sm); }

.portfolio-item__title {
  font-family: var(--font-display);
  font-size: var(--headline-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--on-surface);
}

.portfolio-item__desc {
  color: var(--on-surface-muted);
  margin-bottom: var(--space-md);
}

.portfolio-item__result {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--tertiary);
  margin-bottom: var(--space-md);
}

.portfolio-item__tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.portfolio-item__image {
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg);
  background-color: var(--surface-highest);
  overflow: hidden;
}

.portfolio-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-item__image img {
  opacity: 1;
  transform: scale(1.02);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.testimonial-card__quote {
  font-size: var(--body-lg);
  color: var(--on-surface);
  line-height: 1.65;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-card__quote::before { content: '\201C'; color: var(--primary); }
.testimonial-card__quote::after  { content: '\201D'; color: var(--primary); }

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--surface-highest);
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-card__name {
  font-family: var(--font-display);
  font-size: var(--body-sm);
  font-weight: 600;
  color: var(--on-surface);
}

.testimonial-card__role {
  font-size: var(--label-md);
  color: var(--on-surface-muted);
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  text-align: left;
  padding: var(--space-3xl) 0;
}

.cta-banner__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.cta-banner__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, var(--display-md));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  white-space: pre-line;
}

.cta-banner__body {
  color: var(--on-surface-muted);
  font-size: var(--body-lg);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-field label {
  font-size: var(--label-md);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-surface-muted);
}

.form-field input,
.form-field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(73, 68, 84, 0.4);
  padding: 0.75rem 0;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: var(--body-lg);
  outline: none;
  transition: border-color var(--transition-fast);
  resize: none;
}

.form-field input:focus,
.form-field textarea:focus {
  border-bottom-color: var(--primary);
  box-shadow: 0 2px 0 0 rgba(208, 188, 255, 0.3);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--on-surface-muted);
  opacity: 0.5;
}

.contact__info-headline {
  font-family: var(--font-display);
  font-size: var(--headline-lg);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.contact__info-body {
  color: var(--on-surface-muted);
  margin-bottom: var(--space-xl);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--surface-low);
  padding: var(--space-xl) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: var(--body-sm);
  color: var(--on-surface-muted);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__link {
  font-size: var(--body-sm);
  color: var(--on-surface-muted);
  transition: color var(--transition-fast);
}

.footer__link:hover { color: var(--on-surface); }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }