/* ═══════════════════════════════════════════════════════════
   PORTFOLIO AKADEMIK — Design System
   base.css: tokens · reset · typography · utilities
   ═══════════════════════════════════════════════════════════ */

/* ── Google Fonts ────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Mono:wght@300;400&family=Outfit:wght@300;400;500;600&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Colors */
  --navy:        #0b1220;
  --navy-mid:    #162035;
  --navy-light:  #1e2d4a;
  --cream:       #f2ebe0;
  --cream-dim:   #e5ddd0;
  --cream-dark:  #d8cebd;
  --gold:        #b8963e;
  --gold-light:  #d4ae62;
  --gold-dim:    rgba(184,150,62,.2);
  --text:        #1a2035;
  --text-mid:    #2c3a50;
  --muted:       #5a6480;
  --border:      rgba(184,150,62,.18);

  /* Status */
  --green:  #27ae60;
  --orange: #e67e22;
  --red:    #c0392b;
  --blue:   #2980b9;
  --purple: #8e44ad;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-mono:  'DM Mono', 'Courier New', monospace;
  --font-sans:  'Outfit', system-ui, sans-serif;

  /* Spacing */
  --section-pad: 72px 48px;
  --section-pad-sm: 48px 24px;

  /* Radius */
  --radius: 0px; /* intentionally flat/editorial */

  /* Transitions */
  --t: .2s ease;
  --t-slow: .4s ease;

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(11,18,32,.08);
  --shadow-md: 0 8px 32px rgba(11,18,32,.12);
  --shadow-lg: 0 20px 60px rgba(11,18,32,.18);

  /* Z-index layers */
  --z-nav:    100;
  --z-modal:  800;
  --z-admin:  1000;
  --z-toast:  1100;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: var(--font-sans); }
ul, ol { list-style: none; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--gold); }
.dark-scroll::-webkit-scrollbar-track { background: var(--navy-mid); }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 300; line-height: 1.1; }

.display {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--navy);
}
.display em { font-style: italic; color: var(--gold); }

.heading-xl {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.5vw, 3.5rem);
  font-weight: 300;
  color: var(--navy);
}
.heading-xl.light { color: var(--cream); }

.heading-lg {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.5vw, 2.5rem);
  font-weight: 300;
  color: var(--navy);
}

.heading-md {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--navy);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.section-tag::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}
.section-tag.light { color: var(--gold-light); }

.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  display: block;
}

/* ── Layout ───────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.container-sm { max-width: 780px; margin: 0 auto; padding: 0 48px; }
.container-xs { max-width: 560px; margin: 0 auto; padding: 0 24px; }

.section { padding: var(--section-pad); }
.section-navy   { background: var(--navy); }
.section-dark   { background: var(--navy-mid); }
.section-cream  { background: var(--cream); }
.section-dim    { background: var(--cream-dim); }

/* ── Grid helpers ─────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 20px; }

/* ── Flex helpers ─────────────────────────────────────────── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-gap-sm { gap: 8px; }
.flex-gap    { gap: 16px; }
.flex-wrap   { flex-wrap: wrap; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 22px;
  transition: all var(--t);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary  { background: var(--navy);  color: var(--cream); border-color: var(--navy); }
.btn-gold     { background: var(--gold);  color: var(--cream); border-color: var(--gold); }
.btn-outline  { background: transparent; color: var(--navy);  border-color: var(--navy); }
.btn-ghost    { background: transparent; color: var(--muted); border-color: rgba(90,100,128,.3); }
.btn-danger   { background: var(--red);   color: #fff;         border-color: var(--red); }

.btn-primary:hover  { background: var(--gold);  border-color: var(--gold); }
.btn-gold:hover     { background: var(--navy);  border-color: var(--navy); }
.btn-outline:hover  { background: var(--navy);  color: var(--cream); }
.btn-ghost:hover    { color: var(--navy); border-color: var(--navy); }
.btn-danger:hover   { opacity: .85; }
.btn:disabled       { opacity: .5; cursor: not-allowed; }

.btn-sm { padding: 6px 14px; font-size: 10px; }
.btn-lg { padding: 14px 32px; font-size: 12px; }

/* ── Badge / Tag ──────────────────────────────────────────── */
.badge {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  display: inline-block;
}
.badge-navy   { background: var(--navy);   color: var(--cream); }
.badge-gold   { background: transparent; color: var(--gold);  border: 1px solid var(--gold-dim); }
.badge-green  { background: var(--green);  color: #fff; }
.badge-red    { background: var(--red);    color: #fff; }
.badge-blue   { background: var(--blue);   color: #fff; }
.badge-orange { background: var(--orange); color: #fff; }
.badge-purple { background: var(--purple); color: #fff; }
.badge-gray   { background: #7f8c8d;       color: #fff; }
.badge-muted  { background: transparent; color: var(--muted); border: 1px solid rgba(90,100,128,.3); }

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--cream-dim);
  overflow: hidden;
}
.card-navy { background: var(--navy-mid); border-color: rgba(184,150,62,.1); }
.card-header {
  padding: 12px 20px;
  background: var(--cream-dim);
  border-bottom: 1px solid rgba(26,32,53,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header.dark { background: var(--navy); border-color: rgba(184,150,62,.1); }
.card-body { padding: 20px; }

/* ── Form inputs ──────────────────────────────────────────── */
.input, .textarea, .select {
  width: 100%;
  padding: 10px 12px;
  background: #f8f3ea;
  border: 1px solid rgba(26,32,53,.15);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  outline: none;
  border-radius: 0;
  transition: border-color var(--t);
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--gold);
}
.textarea { resize: vertical; min-height: 80px; }
.input-error { background: #fff0f0; border-color: var(--red); }
.form-group { margin-bottom: 16px; }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(11,18,32,.88);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
}
.modal {
  background: var(--cream);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modal-in .25s ease;
}
.modal-wide { max-width: 900px; }
.modal-header {
  padding: 18px 24px;
  background: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1;
}
.modal-body { padding: 28px; }

@keyframes modal-in {
  from { opacity:0; transform: translateY(16px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Divider ──────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border); }
.divider-gold { background: var(--gold); height: 2px; width: 40px; }

/* ── Gold grid gap (separator pattern) ───────────────────── */
.gold-gap { gap: 2px; background: var(--gold-dim); }

/* ── Loading spinner ──────────────────────────────────────── */
#page-loading {
  position: fixed;
  inset: 0;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity .4s;
}
#page-loading.hide { opacity: 0; pointer-events: none; }
.loading-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── Animations ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-toast);
  padding: 12px 20px;
  background: var(--navy);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  border-left: 3px solid var(--gold);
  box-shadow: var(--shadow-lg);
  animation: toast-in .25s ease;
}
.toast.success { border-color: var(--green); }
.toast.error   { border-color: var(--red); }
@keyframes toast-in {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── Empty state ──────────────────────────────────────────── */
.empty {
  padding: 60px 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.empty.light { color: rgba(242,235,224,.3); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .container, .container-sm { padding: 0 24px; }
  .section { padding: var(--section-pad-sm); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); }
  .hide-mobile { display: none !important; }
}

@media (max-width: 600px) {
  .container, .container-sm { padding: 0 16px; }
  .hide-sm { display: none !important; }
}