/* ============================================
   CUADRA STUDIO - PREMIUM STYLES
   Diseño web para streamers hispanohablantes
   ============================================ */

/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
  --black:    #080807;
  --surface:  #0f0e0c;
  --lift:     #161513;
  --border:   rgba(255,255,255,0.07);
  --text:     #f0ede8;
  --muted:    rgba(240,237,232,0.38);
  --gold:     #c49a3c;
  --gold-dim: rgba(196,154,60,0.12);
  --gold-mid: rgba(196,154,60,0.4);
  --f-sans:   'Familjen Grotesk', sans-serif;
  --f-mono:   'Geist Mono', monospace;
  --ease:     cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold-mid);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width .2s var(--ease), height .2s var(--ease),
              border-color .2s, background .2s, opacity .3s;
  mix-blend-mode: normal;
}

.cursor.hover {
  width: 56px;
  height: 56px;
  border-color: var(--gold);
  background: var(--gold-dim);
}

.cursor.click {
  width: 20px;
  height: 20px;
  background: var(--gold-dim);
}

.cursor-dot {
  width: 5px;
  height: 5px;
  background: var(--gold);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: opacity .3s;
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  background: rgba(8,8,7,0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease), backdrop-filter .4s, border-color .4s;
}

nav.scrolled {
  background: rgba(8,8,7,0.88);
  backdrop-filter: blur(24px);
  border-bottom-color: var(--border);
}

.logo {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
}

.logo b {
  color: var(--gold);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color .2s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  color: var(--gold) !important;
  border: 1px solid var(--gold-mid) !important;
  padding: .5rem 1.2rem;
  transition: background .2s, color .2s !important;
}

.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--black) !important;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  z-index: 200;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: transform .3s var(--ease), opacity .3s, width .3s;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 0 3rem;
  position: relative;
  overflow: hidden;
}

/* Hero grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196,154,60,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,154,60,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 20%, black 0%, transparent 100%);
  pointer-events: none;
}

/* Gold radial glow */
.hero-glow {
  position: absolute;
  top: -10%;
  left: -5%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse at center, rgba(196,154,60,0.07) 0%, transparent 65%);
  pointer-events: none;
  animation: glowPulse 8s ease-in-out infinite;
}

/* Grain overlay */
.hero-grain {
  position: absolute;
  inset: 0;
  opacity: .28;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px 180px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 5rem;
  padding-top: 10rem;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: up .8s var(--ease) .1s forwards;
}

.hero h1 {
  font-family: var(--f-sans);
  font-size: clamp(4rem, 9vw, 9rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.03em;
  max-width: 14ch;
  margin-bottom: 3rem;
  opacity: 0;
  animation: up .9s var(--ease) .2s forwards;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--gold);
}

.hero-body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: up .8s var(--ease) .4s forwards;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 44ch;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: .75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: .85rem 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: .2s var(--ease);
  cursor: none;
  border: none;
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: var(--black);
}

.btn-gold:hover {
  opacity: .85;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--gold-mid);
  color: var(--text);
}

/* ============================================
   STATS BAND
   ============================================ */
.stats-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: up .8s var(--ease) .55s forwards;
  position: relative;
  z-index: 1;
}

.stat {
  padding: 2rem 3rem;
  border-right: 1px solid var(--border);
  transition: background .3s;
}

.stat:hover {
  background: rgba(196,154,60,0.03);
}

.stat:last-child {
  border-right: none;
}

.stat-num {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: .35rem;
}

.stat-num > span:first-child:not(.counter) {
  color: var(--gold);
}

.stat-label {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ============================================
   SECTION TAGS & TITLES
   ============================================ */
section {
  position: relative;
}

.s-tag {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .18em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.s-tag::before {
  content: '//';
  opacity: .4;
}

.s-title {
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
}

.s-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--gold);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  padding: 9rem 3rem;
  border-top: 1px solid var(--border);
}

.problem-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.problem-left {
  position: sticky;
  top: 8rem;
}

.problem-left .s-title {
  margin-bottom: 2rem;
}

.problem-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 38ch;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.problem-item {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1.5rem;
  align-items: start;
  transition: padding-left .3s var(--ease);
}

.problem-item:first-child {
  border-top: 1px solid var(--border);
}

.problem-item:hover {
  padding-left: .5rem;
}

.problem-n {
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--gold);
  letter-spacing: .1em;
  padding-top: .3rem;
}

.problem-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: .5rem;
}

.problem-item p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  padding: 9rem 3rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.features-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 5rem;
}

.features-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
}

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.feat {
  background: var(--surface);
  padding: 2.5rem;
  transition: background .25s;
  position: relative;
  overflow: hidden;
}

.feat::after {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s;
}

.feat:hover {
  background: var(--lift);
}

.feat:hover::after {
  opacity: 1;
}

.feat-icon {
  font-family: var(--f-mono);
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: block;
  transition: transform .3s var(--ease);
}

.feat:hover .feat-icon {
  transform: scale(1.2) rotate(15deg);
}

.feat h4 {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: .6rem;
}

.feat p {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio {
  padding: 9rem 3rem;
  border-top: 1px solid var(--border);
}

.portfolio-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 4rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.p-card {
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: none;
  transition: border-color .3s, transform .4s var(--ease), box-shadow .4s;
}

.p-card:hover {
  border-color: color-mix(in srgb, var(--card-accent, var(--gold)) 50%, transparent);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -12px rgba(0,0,0,0.6);
}

.p-card-screen {
  height: 200px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.p-card-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.p-card-bar {
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  padding: .4rem .7rem;
  display: flex;
  align-items: center;
  gap: .4rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.p-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.p-dot.r { background: #ff5f57; }
.p-dot.y { background: #febc2e; }
.p-dot.g { background: #28c840; }

.p-url {
  flex: 1;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 3px;
  padding: .1rem .6rem;
  font-family: var(--f-mono);
  font-size: 8px;
  color: rgba(255,255,255,0.25);
  text-align: center;
}

.p-url span {
  color: var(--gold);
}

.p-screen-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.p-live {
  display: inline-block;
  background: #c0392b;
  color: #fff;
  font-family: var(--f-mono);
  font-size: 7px;
  letter-spacing: .12em;
  padding: .15rem .5rem;
  border-radius: 2px;
  margin-bottom: .6rem;
  animation: pulse 2s infinite;
}

.p-name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
  text-align: center;
  text-shadow: 0 0 30px currentColor;
}

.p-viewers {
  font-family: var(--f-mono);
  font-size: 8px;
  color: rgba(255,255,255,0.3);
  letter-spacing: .08em;
  margin-top: .3rem;
  text-align: center;
}

.p-card-info {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.p-card-name {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: .2rem;
}

.p-card-meta {
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--muted);
  letter-spacing: .06em;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonios {
  padding: 9rem 3rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.test-card {
  background: var(--lift);
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color .3s, transform .3s var(--ease);
}

.test-card:hover {
  border-color: var(--gold-mid);
  transform: translateY(-3px);
}

.test-stars {
  color: var(--gold);
  font-size: .75rem;
  letter-spacing: .1em;
}

.test-quote {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text);
}

.test-footer {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-top: auto;
}

.test-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--gold-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: .85rem;
  font-weight: 500;
  color: #fff;
  flex-shrink: 0;
}

.test-name {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.test-meta {
  font-family: var(--f-mono);
  font-size: 8px;
  color: var(--muted);
  letter-spacing: .06em;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
  padding: 9rem 3rem;
  border-top: 1px solid var(--border);
}

.pricing-desc {
  font-size: 1rem;
  color: var(--muted);
  text-align: center;
  max-width: 55ch;
  margin: 1.5rem auto 4rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 82rem;
  margin: 0 auto;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
}

.plan-card:hover {
  border-color: var(--gold-mid);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

.plan-card.featured {
  border-color: var(--gold-mid);
  background: var(--lift);
}

.plan-card.featured:hover {
  border-color: var(--gold);
  box-shadow: 0 20px 40px -10px rgba(196,154,60,0.15);
}

.plan-badge {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
  padding: .3rem .6rem;
  background: var(--border);
  width: fit-content;
}

.plan-badge.gold {
  background: var(--gold-dim);
  color: var(--gold);
}

.plan-head {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
}

.plan-price {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
}

.plan-price span {
  font-size: 1.5rem;
  color: var(--gold);
}

.plan-price sub {
  font-size: .7rem;
  color: var(--muted);
  vertical-align: baseline;
  margin-left: .2rem;
}

.plan-feat {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  flex: 1;
}

.plan-feat li {
  font-size: .85rem;
  line-height: 1.5;
  color: var(--text);
}

.pricing-note {
  text-align: center;
  font-size: .85rem;
  color: var(--muted);
  margin-top: 3rem;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
  padding: 9rem 3rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.faq-inner {
  max-width: 56rem;
  margin: 0 auto;
}

.faq-list {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  cursor: none;
  transition: padding-left .3s var(--ease);
}

.faq-item:hover {
  padding-left: .25rem;
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-q {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: -.01em;
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-q::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform .25s var(--ease);
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease), padding .3s;
}

.faq-item.open .faq-a {
  max-height: 15rem;
  padding-bottom: 1.5rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contacto {
  padding: 9rem 3rem;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.contacto::before {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(ellipse at center, rgba(196,154,60,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.contacto-inner {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.contacto-desc {
  font-size: 1rem;
  color: var(--muted);
  margin: 1.5rem auto 3rem;
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2.5rem;
  text-align: left;
  position: relative;
  min-height: 26rem;
  transition: border-color .3s;
}

.form-card:focus-within {
  border-color: var(--gold-mid);
}

.f-step {
  display: none;
  animation: up .4s var(--ease) forwards;
}

.f-step.on {
  display: block;
}

.f-step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.f-step-label {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .12em;
  color: var(--gold);
  text-transform: uppercase;
}

.f-step-dots {
  display: flex;
  gap: .4rem;
}

.f-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  transition: background .3s;
}

.f-dot.on {
  background: var(--gold);
}

.f-dot.done {
  background: var(--gold-mid);
}

.f-label {
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: -.01em;
  display: block;
  margin-bottom: .6rem;
  margin-top: 1.2rem;
}

.f-label:first-of-type {
  margin-top: 0;
}

.f-input {
  width: 100%;
  background: var(--lift);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--f-sans);
  font-size: .9rem;
  padding: .7rem .9rem;
  transition: border-color .2s, box-shadow .2s;
}

.f-input:focus {
  outline: none;
  border-color: var(--gold-mid);
  box-shadow: 0 0 0 3px var(--gold-dim);
}

.f-input::placeholder {
  color: var(--muted);
}

.f-opts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .6rem;
}

.f-opt {
  background: var(--lift);
  border: 1px solid var(--border);
  padding: .7rem;
  text-align: center;
  font-size: .85rem;
  cursor: none;
  transition: border-color .2s, background .2s, transform .15s;
}

.f-opt:hover {
  border-color: var(--gold-mid);
  transform: translateY(-1px);
}

.f-opt.sel {
  border-color: var(--gold);
  background: var(--gold-dim);
  color: var(--gold);
}

.f-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  margin-top: 2rem;
}

.btn-next, .btn-back {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .7rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--lift);
  color: var(--text);
  cursor: none;
  transition: .2s var(--ease);
}

.btn-next:hover, .btn-back:hover {
  border-color: var(--gold-mid);
  transform: translateY(-1px);
}

.btn-next {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.btn-next:hover {
  opacity: .85;
}

.f-success {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
  animation: up .5s var(--ease) forwards;
}

.f-success.on {
  display: block;
}

.f-success-mark {
  font-size: 3rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  animation: goldPop .6s var(--ease) forwards;
}

.f-success h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .8rem;
}

.f-success p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
}

.contacto-alt {
  font-size: .85rem;
  color: var(--muted);
  margin-top: 1.5rem;
}

.contacto-alt a {
  color: var(--gold);
  text-decoration: none;
  transition: opacity .2s;
}

.contacto-alt a:hover {
  opacity: .7;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .1em;
  color: var(--muted);
  text-transform: uppercase;
}

footer .brand {
  font-weight: 500;
  color: var(--text);
}

footer .brand span {
  color: var(--gold);
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}

.footer-links a:hover {
  color: var(--gold);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes up {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

@keyframes glowPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.08); }
}

@keyframes goldPop {
  0% { transform: scale(0) rotate(-20deg); opacity: 0; }
  60% { transform: scale(1.2) rotate(5deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger for grids */
.feat-grid .feat:nth-child(2),
.test-grid .test-card:nth-child(2),
.portfolio-grid .p-card:nth-child(2),
.pricing-grid .plan-card:nth-child(2) {
  transition-delay: .1s;
}

.feat-grid .feat:nth-child(3),
.test-grid .test-card:nth-child(3),
.portfolio-grid .p-card:nth-child(3),
.pricing-grid .plan-card:nth-child(3) {
  transition-delay: .2s;
}

.feat-grid .feat:nth-child(4) { transition-delay: .15s; }
.feat-grid .feat:nth-child(5) { transition-delay: .25s; }
.feat-grid .feat:nth-child(6) { transition-delay: .35s; }
.feat-grid .feat:nth-child(7) { transition-delay: .2s; }
.feat-grid .feat:nth-child(8) { transition-delay: .3s; }
.feat-grid .feat:nth-child(9) { transition-delay: .4s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  nav {
    padding: 1.25rem 2rem;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(8,8,7,0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform .4s var(--ease);
    z-index: 150;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 18px;
    letter-spacing: .12em;
  }

  .nav-hamburger {
    display: flex;
    z-index: 200;
    position: relative;
  }

  .hero, .problem, .features, .portfolio, .testimonios, .pricing, .faq, .contacto {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .problem-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .problem-left {
    position: static;
  }

  .features-head {
    grid-template-columns: 1fr;
  }

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

  .portfolio-grid, .test-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 3rem;
  }

  .stats-band {
    grid-template-columns: 1fr;
  }

  .stat {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .stat:last-child {
    border-bottom: none;
  }

  .feat-grid {
    grid-template-columns: 1fr;
  }

  .f-opts {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: .75rem;
  }
}

/* Disable custom cursor on touch */
@media (hover: none) {
  body { cursor: auto; }
  .cursor, .cursor-dot { display: none; }
  .btn, .f-opt, .faq-item, .btn-next, .btn-back { cursor: pointer; }
}