/* ============================================================
   Amber Jeannice — Cybersecurity Portfolio
   Dark-first "terminal" aesthetic · neon-green accent
   ============================================================ */

:root,
[data-theme='dark'] {
  /* Surfaces */
  --color-bg: #0a0e0d;
  --color-surface: #0f1513;
  --color-surface-2: #131a18;
  --color-surface-offset: #161e1c;
  --color-surface-dynamic: #1c2624;
  --color-divider: #1f2926;
  --color-border: #28332f;

  /* Text */
  --color-text: #e7efe9;
  --color-text-muted: #8a9b91;
  --color-text-faint: #56665e;
  --color-text-inverse: #0a0e0d;

  /* Accent — cyber green */
  --color-primary: #34f5a0;
  --color-primary-hover: #5cffb3;
  --color-primary-active: #2ad88a;
  --color-primary-dim: rgba(52, 245, 160, 0.12);
  --color-primary-glow: rgba(52, 245, 160, 0.35);

  /* Secondary — cyan */
  --color-cyan: #4cd6e8;
  --color-warning: #f5b34a;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.55);

  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='light'] {
  --color-bg: #f5f6f4;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfb;
  --color-surface-offset: #eef0ec;
  --color-surface-dynamic: #e6e9e4;
  --color-divider: #dfe3dd;
  --color-border: #d2d7cf;

  --color-text: #1a221f;
  --color-text-muted: #56665e;
  --color-text-faint: #9aa8a1;
  --color-text-inverse: #ffffff;

  --color-primary: #0a9d5e;
  --color-primary-hover: #0c8553;
  --color-primary-active: #0a6d46;
  --color-primary-dim: rgba(10, 157, 94, 0.1);
  --color-primary-glow: rgba(10, 157, 94, 0.2);

  --color-cyan: #0e8fa3;
  --color-warning: #b8770e;

  --shadow-sm: 0 1px 2px rgba(20, 30, 25, 0.06);
  --shadow-md: 0 6px 20px rgba(20, 30, 25, 0.08);
  --shadow-lg: 0 18px 50px rgba(20, 30, 25, 0.1);
}

/* ---------- Type tokens ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.3vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.25rem, 1.05rem + 0.9vw, 1.625rem);
  --text-xl: clamp(1.75rem, 1.3rem + 2vw, 2.5rem);
  --text-2xl: clamp(2.25rem, 1.2rem + 5vw, 4.25rem);
  --text-hero: clamp(2.75rem, 0.5rem + 9vw, 6.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --content-default: 1120px;
  --content-narrow: 720px;

  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', monospace;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: radial-gradient(
    circle at 15% 0%,
    var(--color-primary-dim),
    transparent 45%
  );
  background-attachment: fixed;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'] {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button {
  cursor: pointer;
  font: inherit;
  background: none;
  border: none;
  color: inherit;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.section--alt {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-divider);
}

.section__head {
  margin-bottom: var(--space-10);
}

.section__head--center {
  text-align: center;
}

.section__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full, 9999px);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform var(--transition), background var(--transition),
    color var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 0 0 var(--color-primary-glow);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-primary-glow);
}

.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--color-divider);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.logo__mark {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
  filter: drop-shadow(0 0 6px var(--color-primary-glow));
}

.logo__dot {
  color: var(--color-primary);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--transition);
}

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

.nav__link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: color var(--transition), border-color var(--transition);
}

.icon-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 12vw, var(--space-24)) 0;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--color-divider) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-divider) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black, transparent 70%);
  opacity: 0.5;
}

.hero__inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-20));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  background: var(--color-surface);
}

.eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.035em;
  max-width: 16ch;
  margin-top: var(--space-2);
}

.hero__lede {
  max-width: 58ch;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* ---------- Terminal ---------- */
.terminal {
  width: 100%;
  max-width: 620px;
  margin-top: var(--space-6);
  text-align: left;
  border: 1px solid #28332f;
  border-radius: var(--radius-lg);
  background: #0d1311;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: #111816;
  border-bottom: 1px solid #1f2926;
}

.terminal__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.terminal__dot--r { background: #ff5f56; }
.terminal__dot--y { background: #ffbd2e; }
.terminal__dot--g { background: #27c93f; }

.terminal__file {
  margin-left: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.terminal__body {
  padding: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.9;
}

.terminal__line {
  color: #e7efe9;
}

.terminal__out {
  color: #b8cab4;
  padding-left: var(--space-1);
}

.prompt { color: #34f5a0; font-weight: 700; }
.sep { color: #56665e; }
.path { color: #4cd6e8; }

.cursor {
  display: inline-block;
  color: var(--color-primary);
  animation: blink 1.1s steps(2) infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-4);
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: clamp(var(--space-6), 5vw, var(--space-16));
  align-items: start;
}

.about__lead {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.about__body p + p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.about__body em {
  color: var(--color-primary);
  font-style: italic;
}

.about__meta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.about__meta span:first-child {
  color: var(--color-primary);
}

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.skill-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  transition: transform var(--transition), border-color var(--transition),
    background var(--transition);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  background: var(--color-surface-offset);
}

.skill-card__icon {
  font-size: 1.6rem;
  line-height: 1;
  display: block;
  margin-bottom: var(--space-3);
}

.skill-card__title {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.skill-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Focus cards ---------- */
.focus-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.focus-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: transform var(--transition), border-color var(--transition);
}

.focus-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.focus-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.focus-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-dim);
  border-radius: 9999px;
}

.focus-card__status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.focus-card__title {
  font-size: var(--text-lg);
}

.focus-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-grow: 1;
}

.focus-card__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-top: var(--space-2);
}

.focus-card__link--soon {
  color: var(--color-text-faint);
  border-bottom: 1px dashed var(--color-border);
  align-self: flex-start;
}

/* ---------- Contact ---------- */
.section--contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}

.contact__title {
  font-size: var(--text-xl);
  margin: var(--space-2) 0 var(--space-3);
}

.contact__lede {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-lg);
}

.socials {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: transform var(--transition), border-color var(--transition),
    color var(--transition);
}

.social svg {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.social:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.social:hover svg {
  color: var(--color-primary);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .about__grid,
  .contact__inner {
    grid-template-columns: 1fr;
  }
  .section__head {
    margin-bottom: var(--space-8);
  }
}

@media (max-width: 480px) {
  .btn--sm {
    display: none;
  }
  .hero__cta {
    flex-direction: column;
    width: 100%;
  }
  .hero__cta .btn {
    width: 100%;
  }
}