/* ── Global ── */
body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: var(--z-nav);
  transition: background var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-bright);
}

.nav__brand-chrono {
  color: var(--gold);
}

.nav__brand-cord {
  color: var(--indigo);
}

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-bright);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--indigo);
  color: var(--text-bright);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav__cta:hover {
  background: var(--indigo-light);
  transform: translateY(-1px);
}

/* Hamburger (mobile) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Main content offset ── */
main {
  padding-top: var(--nav-height);
}

/* ── Section base ── */
.section {
  padding: var(--space-2xl) 0;
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-bright);
  text-align: center;
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* ── Feature groups ── */
.features-group {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.features-group:last-child {
  margin-bottom: 0;
}

.features-group__heading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid rgba(245, 166, 35, 0.2);
}

.features-group__heading svg {
  color: var(--gold);
  flex-shrink: 0;
}

.features-group__desc {
  text-align: center;
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 500px;
  margin: var(--space-sm) auto var(--space-lg);
}

/* ── Feature cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.features-grid--2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 700px;
  margin: 0 auto;
}

.features-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .features-grid--2,
  .features-grid--3 {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: left;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 166, 35, 0.2);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Accent border variants */
.feature-card--accent-gold:hover  { border-color: rgba(245, 166, 35, 0.3); }
.feature-card--accent-indigo:hover { border-color: rgba(88, 101, 242, 0.3); }
.feature-card--accent-green:hover  { border-color: rgba(87, 242, 135, 0.3); }

/* Badge pill */
.feature-card__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.feature-card--accent-gold .feature-card__badge {
  background: rgba(245, 166, 35, 0.15);
  color: #F5A623;
}

.feature-card--accent-indigo .feature-card__badge {
  background: rgba(88, 101, 242, 0.15);
  color: #7983F5;
}

.feature-card--accent-green .feature-card__badge {
  background: rgba(87, 242, 135, 0.15);
  color: #57F287;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--gold);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.3s ease;
}

/* ── Icon animations on card hover ── */

/* Calendar Import: gentle bounce */
.feature-card:nth-child(1):hover .feature-card__icon {
  animation: iconBounce 0.5s ease;
}

/* Manual Entry: wiggle */
.feature-card:nth-child(2):hover .feature-card__icon {
  animation: iconWiggle 0.5s ease;
}

/* Auto-Schedule (gold): spin clock */
.feature-card--accent-gold:hover .feature-card__icon {
  animation: iconSpin 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Polling (indigo): scale pulse */
.feature-card--accent-indigo:hover .feature-card__icon {
  animation: iconPulse 0.6s ease;
  color: #7983F5;
}

/* RSVP (green): checkmark pop */
.feature-card--accent-green:hover .feature-card__icon {
  animation: iconPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: #57F287;
}

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
  50% { transform: translateY(-3px); }
  70% { transform: translateY(-6px); }
}

@keyframes iconWiggle {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-8deg); }
  40% { transform: rotate(8deg); }
  60% { transform: rotate(-5deg); }
  80% { transform: rotate(5deg); }
}

@keyframes iconSpin {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.15); }
  100% { transform: rotate(360deg) scale(1); }
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(1.25); }
  60% { transform: scale(0.95); }
}

@keyframes iconPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

.feature-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── CTA Button (shared) ── */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--indigo);
  color: var(--text-bright);
  font-size: var(--text-lg);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-base);
  cursor: pointer;
}

.btn-cta:hover {
  background: var(--indigo-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--glow-indigo);
}

/* ── Footer ── */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

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

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

.footer__link:hover {
  color: var(--text-bright);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ── Feature Card Icon Hover Animations ── */

/* Auto-Schedule: clock hands spin on hover */
.auto-clock__hand-m,
.auto-clock__hand-h {
  transform-origin: 24px 24px;
  transition: transform 0.3s ease;
}

.feature-card:hover .auto-clock__hand-m {
  animation: clockSpin 3s linear infinite;
}

.feature-card:hover .auto-clock__hand-h {
  animation: clockSpin 18s linear infinite;
}

@keyframes clockSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Calendar Import: checkmark draws in on hover */
.anim-cal-import__check {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  transition: stroke-dashoffset 0.5s ease;
}

.feature-card:hover .anim-cal-import__check {
  stroke-dashoffset: 0;
}

/* Manual Entry: dots pulse in sequence on hover */
.anim-manual__dot {
  opacity: 0.5;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform-origin: center;
  transform: scale(0.6);
}

.feature-card:hover .anim-manual__dot {
  opacity: 1;
  transform: scale(1);
}

.feature-card:hover .anim-manual__dot:nth-child(3) { transition-delay: 0s; }
.feature-card:hover .anim-manual__dot:nth-child(4) { transition-delay: 0.08s; }
.feature-card:hover .anim-manual__dot:nth-child(5) { transition-delay: 0.16s; }
.feature-card:hover .anim-manual__dot:nth-child(6) { transition-delay: 0.24s; }
.feature-card:hover .anim-manual__dot:nth-child(7) { transition-delay: 0.32s; }

/* Polling: bars bounce on hover */
.anim-poll__bar {
  stroke-width: 6;
  stroke-linecap: round;
}

.feature-card:hover .anim-poll__bar:nth-child(2) {
  animation: barBounce1 0.6s ease infinite alternate;
}

.feature-card:hover .anim-poll__bar:nth-child(3) {
  animation: barBounce2 0.6s 0.15s ease infinite alternate;
}

.feature-card:hover .anim-poll__bar:nth-child(4) {
  animation: barBounce3 0.6s 0.3s ease infinite alternate;
}

@keyframes barBounce1 {
  0% { transform: scaleY(1); transform-origin: 16px 30px; }
  100% { transform: scaleY(1.4); transform-origin: 16px 30px; }
}

@keyframes barBounce2 {
  0% { transform: scaleY(1); transform-origin: 24px 30px; }
  100% { transform: scaleY(1.3); transform-origin: 24px 30px; }
}

@keyframes barBounce3 {
  0% { transform: scaleY(1); transform-origin: 32px 30px; }
  100% { transform: scaleY(1.2); transform-origin: 32px 30px; }
}

/* RSVP: checkmark draws in on hover */
.anim-rsvp__check {
  stroke-dasharray: 40;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.4s ease;
}

.feature-card .anim-rsvp__check {
  stroke-dashoffset: 40;
}

.feature-card:hover .anim-rsvp__check {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.5s ease;
}

/* ── Flowing Gradient — ChronoCord brand text ── */
.gradient-brand {
  background: linear-gradient(
    90deg,
    #F5A623 0%,
    #FFD080 20%,
    #7983F5 40%,
    #5865F2 60%,
    #FFD080 80%,
    #F5A623 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientFlow 4s linear infinite;
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}