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

/* ===== Design Tokens ===== */
:root {
  --bg:          #050505;
  --bg2:         #0a0a0a;
  --fg:          #F0F0F0;
  --fg2:         #B9B9C4;
  --fg3:         #8E8E99;
  --accent:      #3FB984;
  --accent-soft: rgba(63,185,132,0.12);
  --border:      rgba(255,255,255,0.07);
  --border2:     rgba(255,255,255,0.13);
  --card:        rgba(255,255,255,0.022);

  /* Motion tokens — easings */
  --ease-out-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out:    cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Motion tokens — durations */
  --dur-1:  0.15s;
  --dur-2:  0.25s;
  --dur-3:  0.4s;
  --dur-4:  0.6s;
  --dur-5:  0.8s;
  --dur-6:  1.2s;
}

/* ===== Base ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: clamp(80px, 12vh, 120px);
  background: #050505;
  -webkit-text-size-adjust: 100%;
}

body {
  background: transparent;
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

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

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

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

/* ===== Focus States ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Layout ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }
.section    { padding: clamp(72px, 11vw, 152px) 0; }

/* ===== Typography ===== */
.overline {
  display: inline-block;
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg3);
  margin-bottom: 22px;
}

.section-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(2.3rem, 4.2vw, 3.75rem);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: var(--fg);
}

.section-sub {
  font-size: 0.975rem;
  color: var(--fg2);
  max-width: 480px;
  line-height: 1.8;
  font-weight: 400;
}

.build-header .section-sub,
.ind-header .section-sub,
.contact-header .section-sub,
.section-header .section-sub {
  margin: 0 auto;
}

.section-header .section-sub {
  max-width: 640px;
}

/* ===== Buttons ===== */
.btn-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--fg);
  color: #050505;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 14px 32px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-2) var(--ease-out-quart),
              box-shadow var(--dur-3) var(--ease-out-quart),
              background var(--dur-2) var(--ease-out-quart),
              border-color var(--dur-2) var(--ease-out-quart);
  letter-spacing: 0.01em;
  will-change: transform;
}
.btn-solid:hover {
  background: rgba(240, 240, 240, 0.92);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 16px 44px rgba(255,255,255,0.16);
}
.btn-solid:active {
  transform: translateY(0) scale(0.98);
  transition: transform var(--dur-1) var(--ease-in-out);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--fg2);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 14px 32px;
  border-radius: 7px;
  border: 1px solid var(--border2);
  cursor: pointer;
  transition: transform var(--dur-2) var(--ease-out-quart),
              background var(--dur-2) var(--ease-out-quart),
              border-color var(--dur-2) var(--ease-out-quart),
              color var(--dur-2) var(--ease-out-quart);
  letter-spacing: 0.01em;
  will-change: transform;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255,255,255,0.38);
  color: var(--fg);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}
.btn-outline:active {
  transform: translateY(0) scale(0.98);
  transition: transform var(--dur-1) var(--ease-in-out);
}

/* ===== Navigation ===== */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 28px 0;
  transition: background var(--dur-3) var(--ease-out-quart),
              padding var(--dur-3) var(--ease-out-quart),
              border-color var(--dur-3) var(--ease-out-quart),
              box-shadow var(--dur-3) var(--ease-out-quart);
}

/* Home: transparent at top */
body:not(.inner) #nav {
  background: transparent;
}
body:not(.inner) #nav.scrolled {
  background: rgba(5,5,5,0.84);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

/* Inner pages: always solid */
body.inner #nav {
  background: rgba(5,5,5,0.94);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border-bottom: 1px solid var(--border);
}
body.inner #nav.scrolled {
  background: rgba(5,5,5,0.96);
  padding: 16px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--fg);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  list-style: none;
}
.nav-links a {
  position: relative;
  font-size: 0.79rem;
  font-weight: 400;
  color: var(--fg3);
  letter-spacing: 0.008em;
  transition: color var(--dur-2) var(--ease-out-quart);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--fg2);
  transition: width var(--dur-2) var(--ease-out-quart);
}
.nav-links a:hover { color: var(--fg2); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after {
  width: 100%;
  background: var(--accent);
}

.nav-cta {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fg);
  padding: 9px 22px;
  border-radius: 6px;
  border: 1px solid var(--border2);
  transition: transform var(--dur-2) var(--ease-out-quart),
              background var(--dur-2) var(--ease-out-quart),
              border-color var(--dur-2) var(--ease-out-quart);
  letter-spacing: 0.008em;
}
.nav-cta:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}
.nav-cta:active {
  transform: translateY(0) scale(0.98);
  transition: transform var(--dur-1) var(--ease-in-out);
}
.nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--fg);
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* ===== Language Switcher ===== */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 1px;
}
.lang-switcher.standalone {
  justify-content: flex-end;
  margin-bottom: 24px;
}
.lang-btn {
  position: relative;
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--fg3);
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  background: transparent;
  transition: color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.lang-btn::after {
  content: '';
  position: absolute;
  bottom: 1px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: rgba(255,255,255,0.45);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.lang-btn:not(.active):hover         { color: var(--fg2); }
.lang-btn:not(.active):hover::after  { width: 30%; }
.lang-btn.active                     { color: var(--fg);  }
.lang-btn.active::after              { width: 55%; }
.lang-sep {
  font-size: 0.58rem;
  color: var(--fg3);
  opacity: 0.3;
  user-select: none;
  padding: 0 1px;
}
.lang-switcher-mob .lang-btn {
  font-size: 1rem;
  letter-spacing: 0.18em;
  padding: 8px 14px;
}

/* ===== i18n transitions ===== */
[data-i18n], [data-i18n-list] {
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-i18n].lang-out,
[data-i18n-list].lang-out {
  opacity: 0;
}
.i18n-fade {
  opacity: 0 !important;
  transform: translateY(4px);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgba(5,5,5,0.97);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.98);
  transition: opacity var(--dur-4) var(--ease-out-expo),
              transform var(--dur-4) var(--ease-out-expo),
              visibility 0s linear var(--dur-4);
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  transition: opacity var(--dur-4) var(--ease-out-expo),
              transform var(--dur-4) var(--ease-out-expo),
              visibility 0s linear 0s;
}
.mobile-menu > *:not(.mobile-menu-close) {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-3) var(--ease-out-expo),
              transform var(--dur-3) var(--ease-out-expo);
}
.mobile-menu.open > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.06s; }
.mobile-menu.open > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.12s; }
.mobile-menu.open > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.20s; }
.mobile-menu.open > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.30s; }
.mobile-menu.open > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.42s; }
.mobile-menu.open > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.56s; }
.mobile-menu a {
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--fg2); }
.mobile-menu a.btn-solid,
.mobile-menu a.btn-solid:hover {
  color: #050505;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  font-weight: 600;
}
.mobile-menu-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--fg3);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--dur-2) var(--ease-out-quart),
              transform var(--dur-2) var(--ease-out-quart);
}
.mobile-menu-close:hover {
  color: var(--fg);
  transform: rotate(90deg);
}

/* ===== Hero (home only) ===== */
#hero {
  position: relative;
  z-index: 1;
  height: 100vh;
  height: 100svh;
  min-height: clamp(560px, 90vh, 700px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent;
  padding-top: calc(var(--nav-height, 80px) + 40px);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 clamp(16px, 4vw, 24px);
  max-width: 940px;
  width: 100%;
}

.hero-eyebrow {
  display: block;
  font-size: clamp(0.58rem, 1.2vw, 0.63rem);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: clamp(28px, 5vw, 44px);
}

.hero-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(2.6rem, 5.4vw, 4.9rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 30px;
  color: var(--fg);
}

.hero-sub {
  font-size: clamp(0.925rem, 1.3vw, 1.055rem);
  color: var(--fg2);
  max-width: 440px;
  margin: 0 auto clamp(36px, 6vw, 56px);
  line-height: 1.82;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.18), transparent);
  animation: sdrop 2.4s ease-in-out infinite;
}
@keyframes sdrop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  45%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ===== Hero Entrance Sequence ===== */
body:not(.loaded) .hero-eyebrow,
body:not(.loaded) .hero-title,
body:not(.loaded) .hero-sub,
body:not(.loaded) .hero-ctas,
body:not(.loaded) .hero-scroll {
  opacity: 0;
  transform: translateY(20px);
}

body.loaded .hero-eyebrow {
  animation: heroEnter var(--dur-4) var(--ease-out-expo) 0s forwards;
}
body.loaded .hero-title {
  animation: heroEnterBlur var(--dur-5) var(--ease-out-expo) 0.15s forwards;
}
body.loaded .hero-sub {
  animation: heroEnter var(--dur-4) var(--ease-out-expo) 0.6s forwards;
}
body.loaded .hero-ctas {
  animation: heroEnterSpring var(--dur-3) var(--ease-spring) 0.75s forwards;
}
body.loaded .hero-scroll {
  animation: heroEnter var(--dur-4) var(--ease-out-expo) 0.9s forwards;
}

@keyframes heroEnter {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroEnterBlur {
  from { opacity: 0; transform: translateY(20px); filter: blur(8px); }
  to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}
@keyframes heroEnterSpring {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== Page Load ===== */
body {
  animation: bodyFadeIn 0.3s var(--ease-out-quart) forwards;
}
@keyframes bodyFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ===== How It Works (#build) ===== */
#build {
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(5,5,5,0) 0px, rgba(5,5,5,0.76) 80px, rgba(5,5,5,0.76) 100%);
}
.build-header {
  text-align: center;
  margin-bottom: clamp(48px, 7vw, 80px);
}

.build-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.build-card {
  background: var(--bg);
  padding: clamp(36px, 5vw, 60px) clamp(28px, 4.5vw, 52px);
  transition: background var(--dur-3) var(--ease-out-quart),
              transform var(--dur-3) var(--ease-out-quart),
              box-shadow var(--dur-3) var(--ease-out-quart);
  will-change: transform;
}
.build-card:hover {
  background: rgba(255,255,255,0.045);
  transform: translateY(-4px);
}
.build-card:hover .card-icon {
  opacity: 0.85;
  transform: scale(1.12);
}

.card-icon {
  width: 30px;
  height: 30px;
  margin-bottom: 32px;
  opacity: 0.35;
  transition: opacity var(--dur-3) var(--ease-out-quart),
              transform var(--dur-3) var(--ease-out-quart);
  color: var(--fg);
}
.card-icon svg { width: 100%; height: 100%; }

.build-card h3 {
  font-size: 1.025rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  color: var(--fg);
}
.build-card p {
  font-size: 0.875rem;
  color: var(--fg2);
  line-height: 1.74;
}

/* ===== The System (#neural) ===== */
#neural {
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(5,5,5,0) 0px, rgba(5,5,5,0.76) 80px, rgba(5,5,5,0.76) 100%);
}
.neural-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 8vw, 112px);
  align-items: center;
}
.neural-text .section-sub { max-width: 400px; }

/* ===== WhatsApp Demo Widget ===== */
.wa-widget {
  height: 420px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: rgba(8,8,8,0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.wa-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.wa-avatar {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.wa-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.wa-contact { display: flex; flex-direction: column; gap: 2px; }
.wa-name    { font-size: 0.82rem; font-weight: 600; color: var(--fg); letter-spacing: -0.01em; }
.wa-online  {
  font-size: 0.66rem;
  color: var(--accent);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 5px;
}
.wa-online::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: waPulse 2s var(--ease-in-out) infinite;
}
@keyframes waPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.wa-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  scrollbar-width: none;
}
.wa-body::-webkit-scrollbar { display: none; }

.wa-msg {
  max-width: 80%;
  padding: 9px 13px;
  border-radius: 12px;
  font-size: 0.83rem;
  line-height: 1.52;
  color: var(--fg);
  word-break: break-word;
  opacity: 0;
  transform: translateY(8px);
  animation: waMsgIn var(--dur-3) var(--ease-spring) forwards;
}
.wa-msg.user {
  background: rgba(255,255,255,0.10);
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}
.wa-msg.bot {
  background: rgba(255,255,255,0.048);
  color: var(--fg2);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
  border: 1px solid rgba(255,255,255,0.055);
}
@keyframes waMsgIn {
  to { opacity: 1; transform: translateY(0); }
}

.wa-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.048);
  border: 1px solid rgba(255,255,255,0.055);
  border-radius: 12px;
  border-bottom-left-radius: 3px;
  align-self: flex-start;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur-2) var(--ease-out-quart), transform var(--dur-2) var(--ease-out-quart);
}
.wa-typing.show { opacity: 1; transform: translateY(0); }
.wa-dot {
  width: 5px; height: 5px;
  background: var(--fg3);
  border-radius: 50%;
  animation: waDot 1.3s var(--ease-in-out) infinite;
}
.wa-dot:nth-child(2) { animation-delay: 0.18s; }
.wa-dot:nth-child(3) { animation-delay: 0.36s; }
@keyframes waDot {
  0%, 65%, 100% { opacity: 0.25; transform: translateY(0); }
  32% { opacity: 1; transform: translateY(-3px); }
}

/* ===== For Who (#industries) ===== */
#industries {
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(8,8,8,0) 0px, rgba(8,8,8,0.76) 80px, rgba(8,8,8,0.76) 100%);
}
.ind-header {
  text-align: center;
  margin-bottom: clamp(48px, 7vw, 80px);
}

.ind-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.ind-item {
  background: var(--bg2);
  padding: clamp(32px, 4vw, 44px) clamp(28px, 3.5vw, 40px);
  transition: background var(--dur-3) var(--ease-out-quart);
}
.ind-item:hover { background: rgba(255,255,255,0.04); }
.ind-item:hover .ind-num { color: var(--accent); }
.ind-item:hover .ind-name { transform: translateX(4px); }

.ind-num {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--fg3);
  margin-bottom: 16px;
  transition: color var(--dur-3) var(--ease-out-quart);
}
.ind-name {
  font-size: 1.025rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 10px;
  transition: transform var(--dur-3) var(--ease-out-quart);
}
.ind-desc {
  font-size: 0.82rem;
  color: var(--fg2);
  line-height: 1.7;
}

/* ===== Portal (home index) ===== */
#portal {
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(5,5,5,0) 0px, rgba(5,5,5,0.76) 80px, rgba(5,5,5,0.76) 100%);
}
.portal-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}
.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.portal-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3.5vw, 36px) clamp(22px, 3vw, 32px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur-3) var(--ease-out-quart),
              background var(--dur-3) var(--ease-out-quart),
              border-color var(--dur-3) var(--ease-out-quart),
              box-shadow var(--dur-3) var(--ease-out-quart);
  will-change: transform;
}
.portal-card:hover {
  background: var(--card);
  border-color: rgba(255,255,255,0.22);
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.5);
}
.portal-card-eyebrow {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg3);
  transition: color var(--dur-3) var(--ease-out-quart);
}
.portal-card:hover .portal-card-eyebrow { color: var(--accent); }
.portal-card-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.portal-card-desc {
  font-size: 0.875rem;
  color: var(--fg2);
  line-height: 1.6;
  flex: 1;
}
.portal-card-arrow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fg3);
  letter-spacing: 0.01em;
  transition: color var(--dur-3) var(--ease-out-quart), gap var(--dur-3) var(--ease-out-quart);
}
.portal-card:hover .portal-card-arrow {
  color: var(--fg);
  gap: 10px;
}
.portal-card-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-3) var(--ease-out-quart);
}
.portal-card:hover .portal-card-arrow svg { transform: translateX(2px); }

/* ===== CTA Final ===== */
#cta {
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(5,5,5,0) 0px, rgba(5,5,5,0.76) 80px, rgba(5,5,5,0.76) 100%);
  text-align: center;
}
.cta-box { max-width: 700px; margin: 0 auto; }
.cta-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(2.5rem, 5.4vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.07;
  margin-bottom: 24px;
  color: var(--fg);
}
.cta-sub {
  font-size: 1.025rem;
  color: var(--fg2);
  margin-bottom: 56px;
  line-height: 1.78;
}
.cta-note {
  margin-top: 20px;
  font-size: 0.7rem;
  color: var(--fg3);
  letter-spacing: 0.01em;
}

/* ===== Contact ===== */
#contact {
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(5,5,5,0) 0px, rgba(5,5,5,0.76) 80px, rgba(5,5,5,0.76) 100%);
  text-align: center;
}
.contact-header {
  text-align: center;
}
#contact a[href^="mailto:"]:hover { color: var(--fg) !important; }
#contact a[href^="https://wa.me"]:hover {
  background: rgba(240, 240, 240, 0.88);
  transform: translateY(-1px);
  box-shadow: 0 10px 32px rgba(255,255,255,0.06);
  color: #050505 !important;
}
#contact .reveal a[href*="instagram.com"]:hover { color: #e1306c !important; }
#contact .reveal a[href*="tiktok.com"]:hover { color: #ff0050 !important; }
#contact .reveal a[href*="linkedin.com"]:hover { color: #0a66c2 !important; }

/* WhatsApp button — green variant */
.btn-solid[style*="25D366"]:hover {
  background: #22c35e !important;
  color: #fff !important;
}

/* ===== Contact Form ===== */
.contact-form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fg2);
  letter-spacing: 0.01em;
}
.form-input,
.form-textarea {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--fg);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--dur-2) var(--ease-out-quart),
              background var(--dur-2) var(--ease-out-quart),
              box-shadow var(--dur-2) var(--ease-out-quart);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  background: rgba(63,185,132,0.04);
  box-shadow: 0 0 0 3px rgba(63,185,132,0.1);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--fg3);
  opacity: 0.7;
}
.form-textarea {
  min-height: 120px;
  resize: vertical;
}
.form-submit {
  align-self: center;
}
.form-success {
  display: none;
  text-align: center;
  padding: 32px 24px;
  background: rgba(63,185,132,0.06);
  border: 1px solid rgba(63,185,132,0.15);
  border-radius: 10px;
  color: var(--accent);
  font-size: 0.9rem;
  line-height: 1.7;
}
.form-success.show { display: block; }

@media (max-width: 640px) {
  .contact-form { gap: 20px; }
  .form-input,
  .form-textarea { padding: 10px 14px; font-size: 0.875rem; }
  .form-success { padding: 24px 18px; font-size: 0.85rem; }
}

/* ===== Contact Separator ===== */
.contact-separator {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 520px;
  margin: 0 auto clamp(40px, 5vw, 64px);
  color: var(--fg3);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contact-separator::before,
.contact-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== Legal Pages ===== */
.section-header {
  text-align: center;
  margin-bottom: 80px;
}
.legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.legal-card {
  background: var(--bg);
  padding: clamp(36px, 5vw, 60px) clamp(28px, 4.5vw, 52px);
  transition: background var(--dur-3) var(--ease-out-quart);
}
.legal-card:hover { background: var(--bg2); }
.legal-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
  color: var(--fg);
}
.legal-card p {
  font-size: 0.9rem;
  color: var(--fg2);
  line-height: 1.7;
  margin-bottom: 24px;
}
.content { max-width: 760px; margin: 0 auto; }
.content h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--fg);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}
.content p {
  font-size: 0.95rem;
  color: var(--fg2);
  line-height: 1.8;
  margin-bottom: 16px;
}
.content a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.content ul {
  margin: 0 0 16px 24px;
  color: var(--fg2);
  line-height: 1.8;
}
.placeholder {
  color: var(--fg3);
  font-style: italic;
}

/* ===== Footer ===== */
#footer {
  position: relative;
  z-index: 1;
  background: rgba(5,5,5,0.96);
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-logo {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--fg);
}
.footer-copy { font-size: 0.73rem; color: var(--fg3); }

.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-link {
  position: relative;
  font-size: 0.72rem;
  color: var(--fg3);
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color var(--dur-2) var(--ease-out-quart);
}
.footer-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--fg2);
  transition: width var(--dur-2) var(--ease-out-quart);
}
.footer-link:hover { color: var(--fg2); }
.footer-link:hover::after { width: 100%; }
.footer-sep {
  font-size: 0.7rem;
  color: var(--fg3);
  opacity: 0.4;
  user-select: none;
}

/* ===== Cookie Consent ===== */
#cookie-consent {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 9999;
  padding: 18px 0;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--border);
  transform: translateY(100%);
  transition: transform var(--dur-4) var(--ease-out-expo), opacity var(--dur-4) var(--ease-out-quart);
  opacity: 0;
  pointer-events: none;
}
#cookie-consent.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.cc-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cc-text {
  font-size: 0.9rem;
  color: var(--fg2);
  line-height: 1.6;
  max-width: 720px;
}
.cc-text a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cc-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.cc-btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-2) var(--ease-out-quart),
              background var(--dur-2) var(--ease-out-quart),
              border-color var(--dur-2) var(--ease-out-quart),
              color var(--dur-2) var(--ease-out-quart);
  letter-spacing: 0.01em;
}
.cc-btn-primary {
  background: var(--fg);
  color: #050505;
}
.cc-btn-primary:hover {
  background: rgba(240,240,240,0.92);
  transform: translateY(-1px);
}
.cc-btn-primary:active {
  transform: translateY(0) scale(0.98);
  transition: transform var(--dur-1) var(--ease-in-out);
}
.cc-btn-secondary {
  background: transparent;
  color: var(--fg2);
  border-color: var(--border2);
}
.cc-btn-secondary:hover {
  background: rgba(255,255,255,0.035);
  border-color: rgba(255,255,255,0.24);
  color: var(--fg);
  transform: translateY(-1px);
}
.cc-btn-ghost {
  background: transparent;
  color: var(--fg3);
  border-color: transparent;
  padding: 10px 12px;
}
.cc-btn-ghost:hover { color: var(--fg2); }

/* ===== Reveals ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-5) var(--ease-out-expo), transform var(--dur-5) var(--ease-out-expo);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: none; }

.reveal-up {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-5) var(--ease-out-expo), transform var(--dur-5) var(--ease-out-expo);
  will-change: opacity, transform;
}
.reveal-up.visible { opacity: 1; transform: none; }

.reveal-scale {
  opacity: 0;
  transform: scale(0.97);
  transition: opacity var(--dur-5) var(--ease-out-expo), transform var(--dur-5) var(--ease-out-expo);
  will-change: opacity, transform;
}
.reveal-scale.visible { opacity: 1; transform: none; }

.reveal-blur {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(8px);
  transition: opacity var(--dur-5) var(--ease-out-expo), transform var(--dur-5) var(--ease-out-expo), filter var(--dur-5) var(--ease-out-expo);
  will-change: opacity, transform, filter;
}
.reveal-blur.visible { opacity: 1; transform: none; filter: blur(0); }

/* Stagger — eased increments for rhythmic feel */
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.26s; }
.d4 { transition-delay: 0.38s; }
.d5 { transition-delay: 0.52s; }
.d6 { transition-delay: 0.68s; }

/* ===== Ambient Canvas ===== */
#ambientCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ===== Inner page full-height sections ===== */
body.inner #build,
body.inner #neural,
body.inner #industries,
body.inner #contact {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--nav-height, 80px) + 40px);
}

/* ===== Responsive ===== */

/* --- Ultrawide (1600px+) --- */
@media (min-width: 1600px) {
  .container { max-width: 1280px; }
  .section { padding: clamp(96px, 8vw, 180px) 0; }
}

/* --- Small desktop / large tablet (max 960px) --- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: flex; }
  .nav-cta { display: none; }

  #nav,
  body:not(.inner) #nav,
  body.inner #nav {
    background: rgba(5,5,5,0.92);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
  }

  #hero { padding-top: 70px; }
  .build-grid { grid-template-columns: 1fr; }
  .neural-layout { grid-template-columns: 1fr; gap: 52px; }
  .wa-widget { height: 340px; }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Tablet (max 768px) --- */
@media (max-width: 768px) {
  .portal-grid { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1fr; }
  .build-header { margin-bottom: 48px; }
  .ind-header { margin-bottom: 48px; }
  .portal-header { margin-bottom: 40px; }
}

/* --- Large phone (max 640px) --- */
@media (max-width: 640px) {
  .ind-grid { grid-template-columns: 1fr; }
  #hero { padding-top: 68px; min-height: clamp(520px, 88vh, 640px); }
  .hero-eyebrow { letter-spacing: 0.18em; }
  .hero-sub { max-width: 100%; padding: 0 4px; }
  .hero-ctas { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-ctas .btn-solid,
  .hero-ctas .btn-outline { width: 100%; max-width: 320px; margin: 0 auto; justify-content: center; }
  .footer-inner { flex-direction: column; text-align: center; gap: 18px; }
  .footer-links { justify-content: center; flex-wrap: wrap; gap: 14px; }
  .wa-widget { height: 300px; }
  .neural-layout { gap: 36px; }
  .wa-msg { font-size: 0.8rem; }
  .wa-header { padding: 12px 14px; }
  .cc-inner { flex-direction: column; align-items: stretch; gap: 14px; }
  .cc-actions { justify-content: stretch; gap: 8px; }
  .cc-btn { flex: 1; justify-content: center; text-align: center; padding: 12px 16px; }
  .cc-text { font-size: 0.85rem; }

  /* Touch targets */
  .lang-btn { padding: 8px 12px; min-height: 36px; }
  .footer-link { padding: 4px 0; display: inline-block; min-height: 36px; line-height: 28px; }
  .nav-links a { padding: 8px 0; }

  .mobile-menu { gap: clamp(28px, 6vh, 40px); }
  .mobile-menu a { font-size: clamp(1.35rem, 5vw, 1.65rem); }
}

/* --- Small phone (max 430px) --- */
@media (max-width: 430px) {
  .container { padding: 0 18px; }
  .hero-content { padding: 0 14px; }
  .hero-ctas .btn-solid,
  .hero-ctas .btn-outline { max-width: 100%; }
  .portal-card { padding: 24px 22px; }
  .build-card { padding: 32px 24px; }
  .legal-card { padding: 32px 24px; }
  .ind-item { padding: 28px 22px; }
  .section-sub { max-width: 100%; }
  .footer-links { gap: 10px; }
  .footer-link { font-size: 0.68rem; }
  .footer-sep { display: none; }
}

/* --- Very small phone (max 375px) --- */
@media (max-width: 375px) {
  .container { padding: 0 16px; }
  .hero-eyebrow { letter-spacing: 0.14em; font-size: 0.55rem; }
  .cc-btn { font-size: 0.75rem; padding: 10px 12px; }
  .nav-logo { font-size: 0.85rem; }
  .lang-btn { font-size: 0.6rem; padding: 6px 10px; }
}

/* --- Touch device optimizations --- */
@media (hover: none) and (pointer: coarse) {
  .btn-solid:hover,
  .btn-outline:hover,
  .nav-cta:hover,
  .cc-btn-primary:hover,
  .cc-btn-secondary:hover,
  .portal-card:hover,
  .build-card:hover {
    transform: none;
    box-shadow: none;
  }
  .build-card:hover { background: var(--bg); }
  .portal-card:hover { background: var(--bg); border-color: var(--border); }
}

/* ===== Reduced Motion ===== */
@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;
  }
  /* Keep color transitions for state feedback */
  a, button, .nav-links a, .footer-link, .lang-btn,
  .btn-solid, .btn-outline, .nav-cta, .cc-btn,
  .build-card, .ind-item, .ind-num, .ind-name,
  .card-icon, .legal-card {
    transition: color 0.1s ease, background 0.1s ease, border-color 0.1s ease !important;
  }
  /* El canvas lo gestiona neural.js: con reduced-motion dibuja un solo
     frame estático (sin loop), así que ya no se oculta por CSS. */
  .hero-scroll-line { display: none; }
  .reveal, .reveal-up, .reveal-scale, .reveal-blur {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
  body:not(.loaded) .hero-eyebrow,
  body:not(.loaded) .hero-title,
  body:not(.loaded) .hero-sub,
  body:not(.loaded) .hero-ctas,
  body:not(.loaded) .hero-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
  body { animation: none !important; }
}