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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Helvetica Neue", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0F0F0F;
  color: #F5F0EB;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background-color: rgba(232, 168, 56, 0.3);
  color: #F5F0EB;
}

/* ===== AMBIENT GLOW ANIMATIONS ===== */
@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.05); opacity: 1; }
}
@keyframes glow-pulse-large {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.06); opacity: 0.8; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== CHARACTER REVEAL ===== */
.char-reveal .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(8px);
}
.char-reveal.revealed .char {
  animation: char-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes char-in {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== SCROLL-TRIGGERED ENTRANCES ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

.fade-in {
  opacity: 0;
  transition: opacity 0.4s ease;
}
.fade-in.revealed { opacity: 1; }

.slide-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.scale-in.revealed {
  opacity: 1;
  transform: scale(1);
}

/* ===== HERO ENTRANCE (auto-play) ===== */
.hero-label { opacity: 0; animation: fade-in-hero 0.4s ease 0.3s forwards; }
.hero-sub { opacity: 0; animation: fade-up-hero 0.5s ease 1.2s forwards; }
.hero-cta { opacity: 0; animation: fade-up-hero 0.5s ease 1.5s forwards; }
.hero-trust { opacity: 0; animation: fade-in-hero 0.4s ease 1.8s forwards; }
.nav-entrance { opacity: 0; animation: fade-in-hero 0.6s ease 0.2s forwards; }

@keyframes fade-in-hero { to { opacity: 1; } }
@keyframes fade-up-hero {
  to { opacity: 1; transform: translateY(0); }
}
.hero-sub, .hero-cta { transform: translateY(8px); }

/* ===== TRAVELLING ECG ===== */
.ecg-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  animation: ecg-fade-in 1.4s ease 0.35s forwards;
}
.ecg-svg {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: min(420px, 48vh);
  transform: translateY(-50%);
  display: block;
}
@keyframes ecg-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.ecg-svg .ecg-ghost {
  fill: none;
  stroke: rgba(232, 168, 56, 0.30);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ecg-svg .ecg-runner {
  fill: none;
  stroke: #E8A838;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100 4200;
  stroke-dashoffset: 0;
  animation: ecg-run 3.5s linear infinite;
  filter: drop-shadow(0 0 6px rgba(232, 168, 56, 0.8)) drop-shadow(0 0 18px rgba(232, 168, 56, 0.4));
}
.ecg-svg .ecg-runner-glow {
  fill: none;
  stroke: rgba(232, 168, 56, 0.5);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 160 4200;
  stroke-dashoffset: 0;
  animation: ecg-run 3.5s linear infinite;
  filter: blur(8px);
}
.ecg-svg .ecg-runner-2 {
  fill: none;
  stroke: rgba(184, 95, 196, 0.45);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 80 4200;
  stroke-dashoffset: 0;
  animation: ecg-run 3.5s linear 1.75s infinite;
  filter: blur(3px);
}
.ecg-svg .ecg-runner-3 {
  fill: none;
  stroke: rgba(44, 181, 168, 0.35);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 65 4200;
  stroke-dashoffset: 0;
  animation: ecg-run 3.5s linear 2.33s infinite;
  filter: blur(3px);
}
@keyframes ecg-run {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -4280; }
}

/* ===== PRICING CARD 3D TILT ===== */
.pricing-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  transform-style: preserve-3d;
  perspective: 1000px;
}
.pricing-card:hover {
  border-color: #3A3A3A;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

/* ===== CARD HOVER ===== */
.feature-card {
  transition: border-color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.feature-card:hover {
  border-color: #3A3A3A;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* ===== BUTTON HOVER ===== */
.btn-primary {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-primary:hover {
  transform: scale(1.03);
  background: #F0B84A !important;
  box-shadow: 0 4px 20px rgba(232, 168, 56, 0.3);
}
.btn-secondary {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-secondary:hover {
  border-color: #E8A838;
  color: #E8A838;
  background: rgba(232, 168, 56, 0.08);
}

/* ===== MOBILE MENU ===== */
.mobile-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ===== LINK HOVER UNDERLINE ===== */
.link-underline {
  position: relative;
}
.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.25s ease;
}
.link-underline:hover::after {
  width: 100%;
}

/* ===== PHONE FLOAT ===== */
.phone-float {
  animation: float 4s ease-in-out infinite;
}