/* GK Academic Services — "Night Study" theme. Ink-navy ground, lamplight amber accent,
   Bricolage Grotesque display + Hanken Grotesk body, Instrument Serif italic for emphasis.
   Keeps the variable/class names the pages already use. */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400..800&family=Hanken+Grotesk:wght@400;500;600&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  color-scheme: dark;
  --color-bg: #0e1524;
  --color-surface: #151e33;
  --color-text: #f1ebdd;
  --color-accent: #f2a93b;
  --color-accent-2: #7fb3ff;
  --color-divider: color-mix(in srgb, #f1ebdd 13%, transparent);
  --color-danger: #ff9a8a;

  --color-neutral-100: #232d45;
  --color-neutral-800: #e6e0d2;
  --color-neutral-900: #070b14;
  --color-accent-100: #3a2a12;
  --color-accent-400: #f7bd63;
  --color-accent-500: #f2a93b;
  --color-accent-600: #d98f22;
  --color-accent-700: #f8c472;   /* used for accent-coloured text — light on dark */
  --color-accent-800: #ffd99b;

  --font-heading: "Bricolage Grotesque", system-ui, sans-serif;
  --font-heading-weight: 650;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-accent: "Instrument Serif", Georgia, serif;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-6: 24px; --space-8: 32px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 0 color-mix(in srgb, #fff 6%, transparent) inset;
  --shadow-md: 0 10px 30px -10px rgba(0,0,0,.55);
  --shadow-lg: 0 30px 80px -20px rgba(0,0,0,.7);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  color: var(--color-text); background-color: var(--color-bg);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    radial-gradient(1100px 620px at 85% -8%, color-mix(in srgb, #f2a93b 16%, transparent), transparent 62%),
    radial-gradient(900px 600px at -10% 30%, color-mix(in srgb, #3c64c8 16%, transparent), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); line-height: 1.08; margin: 0 0 var(--space-2); }
h1, h2 { font-weight: 700 !important; letter-spacing: -0.035em !important; }
h1 { font-variation-settings: "opsz" 96; }
h3, h4 { font-weight: 600 !important; letter-spacing: -0.015em; }
h1 em, h2 em, h3 em {
  font-family: var(--font-accent); font-style: italic !important; font-weight: 400 !important;
  color: var(--color-accent) !important; letter-spacing: -0.01em;
}
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent-700); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--color-accent-800); }
strong { font-weight: 600; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption { font-size: 12px; margin-top: 8px; color: color-mix(in srgb, var(--color-text) 62%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: color-mix(in srgb, var(--color-accent) 40%, transparent); color: #fff; }

summary { cursor: pointer; }
summary::-webkit-details-marker { display: none; }
details[open] > summary svg { transform: rotate(45deg); }
summary svg { transition: transform .25s; }
a, button, [role="button"], [role="tab"], label[for], select, input[type="checkbox"], input[type="radio"], input[type="file"] { cursor: pointer; }
a[href^="mailto:"], a[href^="https://wa.me"] { overflow-wrap: anywhere; }
/* image wrapper */
.plate { box-sizing: border-box; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-divider); box-shadow: var(--shadow-lg); position: relative; }
.plate::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, #fff 8%, transparent);
  background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--color-bg) 45%, transparent)); }

.hr { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* buttons — primary is a solid lamplight pill */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; text-decoration: none;
  font-family: var(--font-body); font-weight: 600; font-size: 15px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent; padding: 10px 18px; border-radius: 999px;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: #1a1206 !important; border-color: var(--color-accent);
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--color-accent) 80%, transparent); }
.btn-primary:hover { background: var(--color-accent-400); color: #1a1206; transform: translateY(-1px);
  box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--color-accent) 90%, transparent); }
.btn-secondary { border-color: color-mix(in srgb, var(--color-text) 28%, transparent); }
.btn-secondary:hover { border-color: var(--color-text); background: color-mix(in srgb, var(--color-text) 6%, transparent); color: var(--color-text); }
.btn-ghost { color: var(--color-accent-700); padding-inline: 10px; }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-icon { width: 40px; height: 40px; padding: 0; }
.btn-block { width: 100%; }

/* forms */
.field > label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: color-mix(in srgb, var(--color-text) 78%, transparent); }
.input {
  width: 100%; min-height: 44px; padding: 10px 14px; font: inherit; font-size: 15px; color: var(--color-text);
  caret-color: var(--color-accent); background: color-mix(in srgb, var(--color-text) 4%, transparent);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md); transition: border-color .2s, background .2s;
}
.input::placeholder { color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:hover { border-color: color-mix(in srgb, var(--color-text) 35%, transparent); }
.input:focus-visible { border-color: var(--color-accent); background: color-mix(in srgb, var(--color-text) 7%, transparent); outline-offset: 0; }
.input[aria-invalid="true"] { border-color: var(--color-danger); }
select.input option { background: var(--color-surface); color: var(--color-text); }
textarea.input { min-height: 110px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 15px; }
.radio input, .seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.radio .dot { width: 18px; height: 18px; flex: none; border-radius: 50%; border: 1.5px solid color-mix(in srgb, var(--color-text) 40%, transparent); }
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot { border-color: var(--color-accent); background: var(--color-accent); box-shadow: inset 0 0 0 4px var(--color-bg); }
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--color-divider); border-radius: 999px; background: color-mix(in srgb, var(--color-text) 3%, transparent); }
.seg-opt { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; font-size: 14px; cursor: pointer; border-radius: 999px; transition: background .2s, color .2s; }
.seg-opt:has(input:checked) { background: var(--color-accent); color: #1a1206; }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 8%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* cards */
.card {
  display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4);
  border-radius: var(--radius-lg); border: 1px solid var(--color-divider);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-text) 5%, transparent), color-mix(in srgb, var(--color-text) 2%, transparent));
  box-shadow: var(--shadow-sm); transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover { border-color: color-mix(in srgb, var(--color-accent) 45%, transparent); box-shadow: var(--shadow-md); }
.card-kicker { font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent-700); }
.card-title { font-family: var(--font-heading); font-weight: 600; font-size: 18px; line-height: 1.2; }
.card-body { margin: 0; font-size: 14px; opacity: .85; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: color-mix(in srgb, var(--color-text) 60%, transparent); }
.elev-sm { box-shadow: var(--shadow-sm); } .elev-md { box-shadow: var(--shadow-md); } .elev-lg { box-shadow: var(--shadow-lg); }

.tag { display: inline-flex; align-items: center; font-size: 11px; font-weight: 600; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px; }
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent-700); }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table caption { font-family: var(--font-heading); }
.table th { text-align: left; font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 65%, transparent); padding: 10px; border-bottom: 1px solid var(--color-divider); }
.table td { padding: 10px; border-bottom: 1px solid var(--color-divider); }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

.dialog-backdrop { position: fixed; inset: 0; display: grid; place-items: center; padding: 16px;
  background: color-mix(in srgb, var(--color-neutral-900) 70%, transparent); backdrop-filter: blur(6px); }
.dialog { width: min(460px, 100%); display: flex; flex-direction: column; gap: 14px; padding: 24px;
  border-radius: var(--radius-lg); background: var(--color-surface) !important; box-shadow: var(--shadow-lg); border: 1px solid var(--color-divider); }
.dialog-title { font-family: var(--font-heading); font-weight: 700; font-size: 22px; letter-spacing: -0.02em; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

/* page-load: staggered rise of each top-level block */
@keyframes gk-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
main > * { animation: gk-rise .8s cubic-bezier(.2,.7,.2,1) both; }
main > *:nth-child(2) { animation-delay: .08s; }
main > *:nth-child(3) { animation-delay: .16s; }
main > *:nth-child(4) { animation-delay: .24s; }
main > *:nth-child(n+5) { animation-delay: .3s; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }