/* ================================================================
   AZENO — WAITLIST LANDING PAGE
   Dark, kinetic, ultra-modern design system
   ================================================================ */
/* --- Design Tokens --- */
:root {
  --bg: #050505;
  --surface: #0a0a0a;
  --surface-2: #111111;
  --surface-3: #1a1a1a;
  --border: #1e1e1e;
  --border-light: #2a2a2a;
  --text: #f0f0f0;
  --text-secondary: #888888;
  --text-muted: #555555;
  /* Accent: Electric Cyan */
  --accent: #00e5ff;
  --accent-rgb: 0, 229, 255;
  --accent-dim: #007a8a;
  /* Secondary: Vivid Purple */
  --accent-2: #7c3aed;
  --accent-2-rgb: 124, 58, 237;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}
/* --- Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
/* ================================================================
   BACKGROUND EFFECTS
   ================================================================ */
.bg-effects {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  will-change: transform;
}
.orb-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  top: -18%;
  right: -12%;
  opacity: 0.10;
  animation: orb-drift 28s ease-in-out infinite;
}
.orb-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
  bottom: -12%;
  left: -10%;
  opacity: 0.10;
  animation: orb-drift 34s ease-in-out infinite reverse;
}
.orb-3 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  top: 45%;
  left: 28%;
  opacity: 0.05;
  animation: orb-drift 22s ease-in-out infinite 6s;
}
.noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}
.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.5) 100%);
}
@keyframes orb-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  20% { transform: translate(25px, -35px) scale(1.06); }
  40% { transform: translate(-20px, 15px) scale(0.94); }
  60% { transform: translate(30px, 20px) scale(1.03); }
  80% { transform: translate(-15px, -25px) scale(0.97); }
}
/* ================================================================
   PHASE LAYOUT
   ================================================================ */
.phase {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.phase.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
/* ================================================================
   LAPTOP FRAME
   ================================================================ */
.laptop-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transform: scale(0.92);
  opacity: 0;
  transition: transform 0.9s var(--ease-out), opacity 0.9s var(--ease-out);
}
.laptop-wrapper.visible {
  transform: scale(1);
  opacity: 1;
}
.laptop-wrapper.shrink {
  transform: scale(0.65);
  opacity: 0;
  transition: transform 0.7s var(--ease-in-out), opacity 0.7s var(--ease-in-out);
}
.app-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.app-label.visible {
  opacity: 1;
  transform: translateY(0);
}
.laptop {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.laptop-screen {
  width: min(86vw, 620px);
  aspect-ratio: 16 / 10;
  background: #000;
  border: 10px solid #1c1c1e;
  border-bottom-width: 12px;
  border-radius: 14px 14px 4px 4px;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 30px 90px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.02),
    0 0 100px rgba(var(--accent-rgb), 0.04);
}
.webcam {
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  background: #1a1a1a;
  border-radius: 50%;
  border: 1px solid #333;
  z-index: 50;
}
.webcam::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 2px;
  background: #2a2a2a;
  border-radius: 50%;
}
.screen-content {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #000;
}
/* Laptop Base */
.laptop-base {
  width: 112%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.laptop-hinge {
  width: 100%;
  height: 4px;
  background: linear-gradient(180deg, #333 0%, #222 100%);
  border-radius: 0;
}
.laptop-body {
  width: 100%;
  height: 8px;
  background: linear-gradient(180deg, #1e1e1e 0%, #161616 100%);
  border-radius: 0 0 8px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.laptop-trackpad {
  width: 18%;
  height: 2px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 1px;
}
.laptop-lip {
  width: 14%;
  height: 3px;
  background: transparent;
  border-bottom: 2px solid #1a1a1a;
  border-radius: 0 0 4px 4px;
  margin-top: -1px;
}
/* ================================================================
   APP VIEWS — Common Styles
   ================================================================ */
.app-view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 12px;
  line-height: 1.45;
  opacity: 0;
  transition: opacity 0.3s ease;
  overflow: hidden;
}
.app-view.active {
  opacity: 1;
}
/* Header */
.app-header {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  gap: 8px;
  flex-shrink: 0;
  min-height: 38px;
}
.app-header .avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.app-header .contact-info {
  flex: 1;
  min-width: 0;
}
.app-header .contact-name {
  font-weight: 600;
  font-size: 13px;
  line-height: 1.2;
}
.app-header .contact-status {
  font-size: 10px;
  opacity: 0.7;
  line-height: 1.2;
}
.app-header .header-actions {
  display: flex;
  gap: 10px;
  opacity: 0.7;
  font-size: 14px;
}
.app-header .back-arrow {
  opacity: 0.8;
  font-size: 16px;
  cursor: default;
}
/* Body */
.app-body {
  flex: 1;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 5px;
  overflow: hidden;
  position: relative;
}
/* Footer */
.app-footer {
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.app-footer .footer-icon {
  opacity: 0.5;
  font-size: 14px;
  cursor: default;
}
.app-footer .input-mock {
  flex: 1;
  padding: 6px 12px;
  border-radius: 18px;
  font-size: 11px;
  border: none;
  cursor: default;
}
/* ================================================================
   MESSAGE BUBBLES
   ================================================================ */
.msg {
  max-width: 72%;
  padding: 5px 10px;
  border-radius: 14px;
  font-size: 11.5px;
  line-height: 1.45;
  position: relative;
  word-wrap: break-word;
}
.msg-in {
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.msg-out {
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.msg .msg-time {
  font-size: 8.5px;
  opacity: 0.45;
  margin-top: 1px;
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
}
.msg .msg-check {
  font-size: 9px;
  color: #53bdeb;
}
/* Animated messages */
.msg.msg-animated {
  opacity: 0;
  transform: translateY(10px) scale(0.97);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.msg.msg-animated.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}
/* ================================================================
   TYPING INDICATOR
   ================================================================ */
.typing-indicator {
  display: inline-flex;
  gap: 3px;
  padding: 8px 12px;
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  width: fit-content;
  opacity: 0;
  transform: translateY(6px) scale(0.95);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.typing-indicator.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.typing-indicator span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  animation: dot-bounce 1.3s ease-in-out infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.18s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.36s; }
@keyframes dot-bounce {
  0%, 55%, 100% { transform: translateY(0); opacity: 0.35; }
  25% { transform: translateY(-5px); opacity: 1; }
}
/* ================================================================
   APP: TELEGRAM
   ================================================================ */
.app-telegram .app-header {
  background: #2AABEE;
  color: #fff;
}
.app-telegram .app-header .avatar {
  background: #1B92CC;
}
.app-telegram .app-body {
  background: #C8D9E6;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 50%);
}
.app-telegram .msg-in {
  background: #ffffff;
  color: #000;
  box-shadow: 0 1px 1px rgba(0,0,0,0.06);
}
.app-telegram .msg-out {
  background: #EFFDDE;
  color: #000;
  box-shadow: 0 1px 1px rgba(0,0,0,0.06);
}
.app-telegram .typing-indicator {
  background: #ffffff;
}
.app-telegram .typing-indicator span {
  background: #2AABEE;
}
.app-telegram .app-footer {
  background: #ffffff;
  border-top: 1px solid #e0e0e0;
}
.app-telegram .input-mock {
  background: #f4f4f4;
  color: #999;
}
/* ================================================================
   APP: WHATSAPP
   ================================================================ */
.app-whatsapp .app-header {
  background: #075E54;
  color: #fff;
}
.app-whatsapp .app-header .avatar {
  background: #25D366;
}
.app-whatsapp .app-body {
  background: #ECE5DD;
  background-image:
    url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 Q35 0 40 5 Q45 10 40 15 Q35 20 30 15 Q25 10 30 5Z' fill='%23d5cec5' opacity='0.3'/%3E%3C/svg%3E");
  background-size: 60px 60px;
}
.app-whatsapp .msg-in {
  background: #ffffff;
  color: #111;
  box-shadow: 0 1px 0.5px rgba(0,0,0,0.08);
}
.app-whatsapp .msg-out {
  background: #D9FDD3;
  color: #111;
  box-shadow: 0 1px 0.5px rgba(0,0,0,0.08);
}
.app-whatsapp .typing-indicator {
  background: #ffffff;
}
.app-whatsapp .typing-indicator span {
  background: #075E54;
}
.app-whatsapp .app-footer {
  background: #f0f0f0;
  border-top: 1px solid #d4d4d4;
}
.app-whatsapp .input-mock {
  background: #ffffff;
  color: #999;
  border-radius: 20px;
}
/* ================================================================
   APP: CHATGPT
   ================================================================ */
.app-chatgpt .app-header {
  background: #2f2f2f;
  color: #ececec;
  border-bottom: 1px solid #3a3a3a;
  justify-content: center;
}
.app-chatgpt .app-header .contact-name {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
}
.app-chatgpt .app-body {
  background: #212121;
  gap: 0;
  padding: 0;
}
.app-chatgpt .chatgpt-msg {
  padding: 10px 14px;
  font-size: 11.5px;
  line-height: 1.55;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #d1d5db;
  max-width: 100%;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.app-chatgpt .chatgpt-msg.user-msg {
  background: #2f2f2f;
}
.app-chatgpt .chatgpt-msg.ai-msg {
  background: #212121;
}
.app-chatgpt .chatgpt-msg .role-icon {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
  font-weight: 700;
}
.app-chatgpt .chatgpt-msg.user-msg .role-icon {
  background: #7c3aed;
  color: #fff;
}
.app-chatgpt .chatgpt-msg.ai-msg .role-icon {
  background: #10a37f;
  color: #fff;
}
.app-chatgpt .chatgpt-msg .role-text {
  flex: 1;
  min-width: 0;
}
.app-chatgpt .chatgpt-msg.msg-animated {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.app-chatgpt .chatgpt-msg.msg-animated.show {
  opacity: 1;
  transform: translateY(0);
}
.app-chatgpt .typing-indicator {
  background: #2f2f2f;
  margin: 6px 14px;
  border-radius: 8px;
}
.app-chatgpt .typing-indicator span {
  background: #10a37f;
}
.app-chatgpt .app-footer {
  background: #2f2f2f;
  padding: 8px 12px;
  border-top: 1px solid #3a3a3a;
}
.app-chatgpt .input-mock {
  background: #3a3a3a;
  color: #888;
  border-radius: 10px;
  padding: 8px 14px;
}
/* ================================================================
   APP: SLACK
   ================================================================ */
.app-slack {
  flex-direction: row;
}
.app-slack .slack-sidebar {
  width: 52px;
  background: #1a1329;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  gap: 6px;
  flex-shrink: 0;
  border-right: 1px solid #2c1f3d;
}
.app-slack .slack-sidebar .ws-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  cursor: default;
}
.app-slack .slack-sidebar .ws-divider {
  width: 20px;
  height: 1px;
  background: rgba(255,255,255,0.1);
}
.app-slack .slack-sidebar .ws-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.app-slack .slack-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.app-slack .app-header {
  background: #1a1d21;
  color: #d1d2d3;
  border-bottom: 1px solid #2c2d30;
  padding: 8px 14px;
}
.app-slack .app-header .contact-name {
  font-size: 14px;
}
.app-slack .app-header .contact-name::before {
  content: '# ';
  opacity: 0.5;
}
.app-slack .app-body {
  background: #1a1d21;
  padding: 8px 14px;
  gap: 8px;
}
.app-slack .slack-msg {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: #d1d2d3;
}
.app-slack .slack-msg .slack-avatar {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.app-slack .slack-msg .slack-content {
  flex: 1;
  min-width: 0;
}
.app-slack .slack-msg .slack-user {
  font-weight: 700;
  font-size: 11.5px;
  display: inline;
}
.app-slack .slack-msg .slack-time {
  font-size: 9px;
  opacity: 0.4;
  margin-left: 5px;
}
.app-slack .slack-msg .slack-text {
  font-size: 11.5px;
  line-height: 1.45;
  color: #d1d2d3;
  margin-top: 1px;
}
.app-slack .slack-msg.msg-animated {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.app-slack .slack-msg.msg-animated.show {
  opacity: 1;
  transform: translateY(0);
}
.app-slack .typing-indicator {
  background: #2c2d30;
  margin-left: 32px;
}
.app-slack .typing-indicator span {
  background: #e8912d;
}
.app-slack .app-footer {
  background: #1a1d21;
  padding: 6px 14px;
  border-top: 1px solid #2c2d30;
}
.app-slack .input-mock {
  background: #222529;
  color: #888;
  border: 1px solid #393b40;
  border-radius: 6px;
  padding: 6px 12px;
}
/* ================================================================
   APP: iMESSAGE
   ================================================================ */
.app-imessage .app-header {
  background: #f6f6f6;
  color: #000;
  justify-content: center;
  border-bottom: 1px solid #e0e0e0;
  position: relative;
}
.app-imessage .app-header .back-arrow {
  position: absolute;
  left: 12px;
  color: #007AFF;
  font-size: 14px;
}
.app-imessage .app-header .contact-info {
  text-align: center;
}
.app-imessage .app-header .contact-name {
  font-size: 13px;
  font-weight: 600;
}
.app-imessage .app-header .header-actions {
  position: absolute;
  right: 12px;
}
.app-imessage .app-body {
  background: #ffffff;
  gap: 5px;
}
.app-imessage .msg-in {
  background: #e5e5ea;
  color: #000;
}
.app-imessage .msg-out {
  background: #007AFF;
  color: #fff;
}
.app-imessage .typing-indicator {
  background: #e5e5ea;
}
.app-imessage .typing-indicator span {
  background: #8e8e93;
}
.app-imessage .app-footer {
  background: #f6f6f6;
  border-top: 1px solid #e0e0e0;
  padding: 6px 10px;
}
.app-imessage .input-mock {
  background: #fff;
  border: 1px solid #ddd;
  color: #999;
  border-radius: 18px;
}
/* ================================================================
   PHASE 2: THE HOOK
   ================================================================ */
.hook-container {
  text-align: center;
  padding: 20px;
}
.hook-text {
  font-family: var(--font-display);
  font-size: clamp(42px, 9vw, 96px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.05;
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
  align-items: center;
  justify-content: center;
}
.hook-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px) scale(0.92);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.hook-word.reveal {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.hook-accent {
  color: var(--accent);
  text-shadow: 0 0 40px rgba(var(--accent-rgb), 0.4);
}
.hook-text.exit .hook-word {
  opacity: 0;
  transform: translateY(-20px) scale(0.95);
  transition: opacity 0.4s var(--ease-in-out), transform 0.4s var(--ease-in-out);
}
/* Intro line — same style, slightly smaller for the longer sentence */
.hook-intro-text {
  font-size: clamp(28px, 6vw, 64px);
  letter-spacing: -1.5px;
  gap: 0 14px;
}
/* ================================================================
   PHASE 3: THE REVEAL — Hero Section
   ================================================================ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 20px;
  max-width: 520px;
  width: 100%;
}
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
/* Reveal animation for staggered elements */
.reveal-el {
  opacity: 0;
  transform: translateY(24px) scale(0.96);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.reveal-el.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}
/* Logo */
.hero-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 4px;
}
.hero-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
/* Title */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 10vw, 80px);
  font-weight: 700;
  letter-spacing: -3px;
  line-height: 1;
  background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(var(--accent-rgb), 0.15));
}
/* Tagline */
.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(16px, 3vw, 22px);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.3px;
}
/* Sub-tagline */
.hero-sub-tagline {
  font-size: clamp(13px, 2.2vw, 16px);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 380px;
  letter-spacing: -0.1px;
}
/* ================================================================
   WAITLIST FORM
   ================================================================ */
.waitlist-form {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(var(--accent-rgb), 0.05);
}
/* Glowing border animation */
.waitlist-form::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  padding: 1px;
  background: conic-gradient(
    from var(--form-glow-angle, 0deg),
    transparent 30%,
    rgba(var(--accent-rgb), 0.3) 50%,
    transparent 70%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: glow-rotate 6s linear infinite;
  pointer-events: none;
  z-index: -1;
}
@keyframes glow-rotate {
  to { --form-glow-angle: 360deg; }
}
@property --form-glow-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
.form-group {
  width: 100%;
}
.form-group input {
  width: 100%;
  padding: 13px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.form-group input::placeholder {
  color: var(--text-muted);
}
.form-group input:focus {
  border-color: rgba(var(--accent-rgb), 0.4);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.08), 0 0 20px rgba(var(--accent-rgb), 0.05);
}
/* ================================================================
   SUBMIT BUTTON
   ================================================================ */
.submit-btn {
  position: relative;
  width: 100%;
  padding: 14px 24px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: #000;
  background: linear-gradient(135deg, var(--accent) 0%, #00b8d4 100%);
  overflow: hidden;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.25);
  margin-top: 4px;
}
.submit-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(var(--accent-rgb), 0.35), 0 0 60px rgba(var(--accent-rgb), 0.15);
}
.submit-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 12px rgba(var(--accent-rgb), 0.2);
}
.btn-text {
  position: relative;
  z-index: 2;
}
/* Shimmer sweep effect */
.btn-shimmer {
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  transform: skewX(-20deg);
  z-index: 1;
  transition: none;
}
.submit-btn:hover .btn-shimmer {
  animation: shimmer-sweep 0.8s ease forwards;
}
@keyframes shimmer-sweep {
  from { left: -100%; }
  to { left: 150%; }
}
/* Glow behind button */
.btn-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(circle at center, rgba(var(--accent-rgb), 0.4), transparent 70%);
  transition: opacity 0.3s ease;
  z-index: 0;
}
.submit-btn:hover .btn-glow {
  opacity: 1;
}
/* Success state */
.submit-btn.success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}
/* Form note */
.form-note {
  font-size: 12px;
  text-align: center;
  min-height: 18px;
  transition: color 0.3s ease, opacity 0.3s ease;
}
.form-note.error {
  color: #ef4444;
}
.form-note.success {
  color: #10b981;
}
/* ================================================================
   KEYFRAMES — MISC
   ================================================================ */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  .laptop-screen {
    width: 92vw;
    border-width: 7px;
    border-bottom-width: 9px;
    border-radius: 10px 10px 3px 3px;
  }
  .laptop-base { width: 108%; }
  .app-header { padding: 6px 8px; gap: 6px; min-height: 32px; }
  .app-header .avatar { width: 22px; height: 22px; font-size: 9px; }
  .app-header .contact-name { font-size: 11px; }
  .app-header .header-actions { gap: 8px; font-size: 12px; }
  .msg { font-size: 10.5px; padding: 4px 8px; }
  .msg .msg-time { font-size: 8px; }
  .app-footer { padding: 4px 8px; }
  .app-footer .input-mock { font-size: 10px; padding: 5px 10px; }
  .hook-text { letter-spacing: -1px; }
  .hero { gap: 24px; padding: 16px; }
  .hero-logo { width: 56px; height: 56px; }
  .hero-title { letter-spacing: -2px; }
  .waitlist-form {
    padding: 20px;
    border-radius: 16px;
    gap: 10px;
  }
  .form-group input {
    padding: 11px 14px;
    font-size: 13px;
  }
  .submit-btn {
    padding: 12px 20px;
    font-size: 14px;
  }
  .app-slack .slack-sidebar { width: 40px; }
  .app-slack .slack-sidebar .ws-icon { width: 24px; height: 24px; font-size: 11px; }
  .chatgpt-msg { padding: 8px 10px !important; }
  .chatgpt-msg .role-icon { width: 18px !important; height: 18px !important; font-size: 8px !important; }
}
@media (max-width: 380px) {
  .laptop-screen {
    border-width: 5px;
    border-bottom-width: 7px;
  }
  .hero-title { letter-spacing: -1.5px; }
  .waitlist-form { padding: 16px; }
}