/* ==========================================================================
   ATLAS — NAVIGATION + HERO
   ========================================================================== */

/* ==========================================================================
   Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 14, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  max-width: var(--content-max-width);
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__links a {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-dim);
  padding: var(--space-1) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration-fast) var(--ease-out);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__github {
  font-family: var(--font-mono);
}

/* Mobile menu toggle (hidden on desktop) */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.nav__toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding: var(--space-8) var(--space-5) var(--space-7);
  overflow: hidden;
}

/* Signature ambient glow — subtle, deliberate, not a decorative blob wall */
.hero__glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  max-width: 720px;
  max-height: 720px;
  background: radial-gradient(circle, rgba(91, 141, 239, 0.16) 0%, rgba(91, 141, 239, 0) 65%);
  pointer-events: none;
  z-index: 0;
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-8);
  align-items: center;
}

.hero__copy {
  max-width: 620px;
}

/* ---- Badge ---- */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-dim);
  margin-bottom: var(--space-4);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
}

/* ---- Heading ---- */
.hero__heading {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}

.hero__heading-line {
  display: block;
  font-size: clamp(2.5rem, 5vw + 1rem, 4.25rem);
}

.hero__heading-name {
  background: linear-gradient(100deg, var(--color-text) 40%, var(--color-accent-hover) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Subtitle ---- */
.hero__subtitle {
  font-size: clamp(1rem, 0.5vw + 0.9rem, 1.125rem);
  font-weight: 500;
  color: var(--color-text-dim);
  margin-bottom: var(--space-4);
}

.dot-sep {
  color: var(--color-text-faint);
  margin: 0 var(--space-1);
}

/* ---- Tagline: quiet brand signature, not another headline ---- */
.hero__tagline {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

/* ---- Intro paragraph ---- */
.hero__intro {
  font-size: 1.0625rem;
  color: var(--color-text-dim);
  max-width: 54ch;
  margin-bottom: var(--space-5);
}

/* ---- CTA row ---- */
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ==========================================================================
   Status card — the signature element.
   Styled like an infra/monitoring status panel: monospace, hairline
   border, a live pulse — grounded in the "Cloud Security Engineer" subject
   rather than a decorative gradient card.
   ========================================================================== */

.status-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  font-family: var(--font-mono);
  justify-self: end;
  width: 100%;
  max-width: 340px;
}

.status-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.status-card__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
}

.status-card__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
}

.status-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.status-card__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.status-card__item-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
}

.status-card__item-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding-left: calc(1rem + var(--space-2)); /* aligns under label text, past the icon */
}

.status-card__icon {
  font-size: 1rem;
  line-height: 1;
  width: 1rem;
  flex-shrink: 0;
}

.status-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--color-text-faint);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.status-card__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  position: relative;
  flex-shrink: 0;
}

.status-card__pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-ring 2.4s var(--ease-out) infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(2.6);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-card__pulse::after {
    animation: none;
    display: none;
  }
}

/* ==========================================================================
   Entrance motion — one staged sequence, not scattered effects.
   JS adds `.is-visible` on load; CSS defines the actual transition.
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger via transition-delay, driven by data-reveal order */
.reveal[data-reveal='1'] { transition-delay: 0ms; }
.reveal[data-reveal='2'] { transition-delay: 80ms; }
.reveal[data-reveal='3'] { transition-delay: 160ms; }
.reveal[data-reveal='4'] { transition-delay: 220ms; }
.reveal[data-reveal='5'] { transition-delay: 280ms; }
.reveal[data-reveal='6'] { transition-delay: 340ms; }
.reveal[data-reveal='7'] { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

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

/* Tablet */
@media (max-width: 960px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .status-card {
    justify-self: start;
    max-width: 420px;
  }

  .hero__copy {
    max-width: 100%;
  }
}

/* Mobile nav collapses into a slide-down panel */
@media (max-width: 720px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-5) var(--space-5);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-fast) var(--ease-out),
      transform var(--duration-fast) var(--ease-out);
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .nav__github {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-6) var(--space-4) var(--space-6);
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta .btn {
    width: 100%;
  }
}