/* ==========================================================================
   Blueaxis — Under Construction
   Design tokens & base
   ========================================================================== */

:root {
  --color-bg: #070d18;
  --color-bg-elevated: rgba(14, 24, 42, 0.72);
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);
  --color-text: #f4f7fb;
  --color-text-muted: rgba(244, 247, 251, 0.62);
  --color-text-subtle: rgba(244, 247, 251, 0.38);
  --color-accent: #4d9fff;
  --color-accent-soft: rgba(77, 159, 255, 0.18);
  --color-accent-glow: rgba(77, 159, 255, 0.35);
  --color-success: #5ee0a8;

  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.5s;

  --max-width: 1120px;
  --header-height: 72px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow-x: hidden;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease-out);
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* Ambient background */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}

.ambient__orb--1 {
  width: min(60vw, 520px);
  height: min(60vw, 520px);
  top: -15%;
  right: -10%;
  background: radial-gradient(circle, #1a4a8a 0%, transparent 70%);
  animation: drift-1 22s var(--ease-out) infinite alternate;
}

.ambient__orb--2 {
  width: min(50vw, 420px);
  height: min(50vw, 420px);
  bottom: -20%;
  left: -15%;
  background: radial-gradient(circle, #0e3d6e 0%, transparent 70%);
  animation: drift-2 26s var(--ease-out) infinite alternate;
}

.ambient__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 75%);
}

@keyframes drift-1 {
  to {
    transform: translate(-4%, 6%) scale(1.05);
  }
}

@keyframes drift-2 {
  to {
    transform: translate(6%, -4%) scale(1.08);
  }
}

/* Header */
.site-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl);
  width: 100%;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
}

.brand__mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent) 0%, #2a6fcc 100%);
  box-shadow: 0 0 24px var(--color-accent-glow);
}

.brand__text {
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  backdrop-filter: blur(12px);
}

.status-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.65;
    transform: scale(0.92);
  }
}

/* Main layout */
.main {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-xl) var(--space-3xl);
  width: 100%;
  display: grid;
  gap: var(--space-3xl);
}

@media (min-width: 900px) {
  .main {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: var(--space-2xl);
    padding-top: var(--space-2xl);
  }
}

/* Hero */
.hero {
  animation: fade-up 0.9s var(--ease-out) both;
}

.eyebrow {
  margin: 0 0 var(--space-md);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__title {
  margin: 0 0 var(--space-lg);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.hero__title em {
  font-style: italic;
  color: transparent;
  background: linear-gradient(120deg, #8ec5ff 0%, var(--color-accent) 55%, #c8e4ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero__lead {
  margin: 0 0 var(--space-2xl);
  max-width: 34ch;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Notify form */
.notify__label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.notify__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 520px) {
  .notify__row {
    flex-direction: row;
    align-items: stretch;
  }
}

.notify__input {
  flex: 1;
  min-width: 0;
  padding: 0.9375rem 1.125rem;
  font: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(16px);
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.notify__input::placeholder {
  color: var(--color-text-subtle);
}

.notify__input:hover {
  border-color: var(--color-border-strong);
}

.notify__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.notify__input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: rgba(255, 120, 120, 0.5);
}

.notify__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.9375rem 1.5rem;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-bg);
  background: linear-gradient(180deg, #6eb3ff 0%, var(--color-accent) 100%);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition:
    transform 0.2s var(--ease-out),
    box-shadow 0.2s;
  box-shadow: 0 4px 24px var(--color-accent-glow);
}

.notify__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px var(--color-accent-glow);
}

.notify__btn:active {
  transform: translateY(0);
}

.notify__btn:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

.notify__btn-icon {
  display: flex;
  transition: transform 0.25s var(--ease-out);
}

.notify__btn:hover .notify__btn-icon {
  transform: translateX(3px);
}

.notify__feedback {
  margin: var(--space-sm) 0 0;
  font-size: 0.875rem;
  min-height: 1.25rem;
}

.notify__feedback[data-state="success"] {
  color: var(--color-success);
}

.notify__feedback[data-state="error"] {
  color: #ff9b9b;
}

/* Progress card */
.progress {
  padding: var(--space-xl);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  animation: fade-up 0.9s 0.15s var(--ease-out) both;
}

.progress__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.progress__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.progress__value {
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  letter-spacing: -0.03em;
}

.progress__track {
  height: 6px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2a6fcc, var(--color-accent), #8ec5ff);
  border-radius: inherit;
  transition: width 1.4s var(--ease-out);
  box-shadow: 0 0 16px var(--color-accent-glow);
}

/* Milestones */
.milestones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.milestones__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

.milestones__item--done {
  color: var(--color-text-muted);
}

.milestones__item--active {
  color: var(--color-text);
  font-weight: 500;
}

.milestones__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.milestones__item--done .milestones__icon {
  border-color: rgba(94, 224, 168, 0.35);
  background: rgba(94, 224, 168, 0.12);
  color: var(--color-success);
}

.milestones__item--active .milestones__icon {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  position: relative;
}

.milestones__item--active .milestones__icon::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2.4s ease-in-out infinite;
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-xl) var(--space-2xl);
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.footer-nav__link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav__link:hover {
  color: var(--color-text);
}

.footer-nav__sep {
  color: var(--color-text-subtle);
  user-select: none;
}

.copyright {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35em;
}

.copyright__muted {
  color: var(--color-text-subtle);
}

/* Entrance animation */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ambient__orb {
    animation: none;
  }

  .hero,
  .progress {
    animation: none;
  }

  .progress__fill {
    transition: none;
  }
}