/* ---- design tokens ---- */
:root {
  --gray-0: #ffffff;
  --gray-25: #fbfbfb;
  --gray-50: #f6f6f6;
  --gray-100: #efefef;
  --gray-150: #e7e7e7;
  --gray-200: #dcdcdc;
  --gray-300: #c4c4c4;
  --gray-400: #a3a3a3;
  --gray-500: #8a8a8a;
  --gray-600: #6b6b6b;
  --gray-700: #4a4a4a;
  --gray-800: #2e2e2e;
  --gray-900: #1a1a1a;
  --gray-950: #0d0d0d;
  --gray-1000: #000000;

  --ink-a04: rgba(0, 0, 0, .04);
  --ink-a08: rgba(0, 0, 0, .08);
  --ink-a12: rgba(0, 0, 0, .12);
  --paper-a08: rgba(255, 255, 255, .08);
  --paper-a16: rgba(255, 255, 255, .16);
  --paper-a64: rgba(255, 255, 255, .64);

  --text-strong: var(--gray-1000);
  --text-body: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --text-on-fill: var(--gray-0);

  --surface-page: var(--gray-0);
  --surface-card: var(--gray-0);
  --surface-raised: var(--gray-0);
  --surface-hover: var(--gray-50);
  --surface-inverse: var(--gray-1000);
  --surface-inverse-hover: var(--gray-800);

  --border-hairline: var(--gray-150);
  --border-subtle: var(--gray-200);
  --border-default: var(--gray-300);
  --border-strong: var(--gray-1000);
  --border-focus: var(--gray-1000);

  --font-core: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: var(--font-core);

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-light: 300;

  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-2xl: 30px;
  --text-3xl: 38px;

  --leading-tight: 1.08;
  --leading-normal: 1.45;

  --tracking-display: -0.035em;
  --tracking-title: -0.022em;
  --tracking-tight: -0.012em;

  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  --control-md: 36px;

  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;

  --dur-fast: 140ms;
  --ease-standard: cubic-bezier(.2, 0, .2, 1);
  --transition-control: background-color var(--dur-fast) var(--ease-standard),
    color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard),
    opacity var(--dur-fast) var(--ease-standard);
}

[data-theme="dark"] {
  --text-strong: var(--gray-0);
  --text-body: var(--gray-100);
  --text-secondary: var(--gray-400);
  --text-muted: var(--gray-500);
  --text-on-fill: var(--gray-1000);
  --surface-page: var(--gray-1000);
  --surface-card: var(--gray-950);
  --surface-raised: var(--gray-900);
  --surface-hover: var(--gray-900);
  --surface-inverse: var(--gray-0);
  --surface-inverse-hover: var(--gray-150);
  --border-hairline: var(--gray-800);
  --border-subtle: var(--gray-800);
  --border-default: var(--gray-700);
  --border-strong: var(--gray-0);
  --border-focus: var(--gray-0);
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur-fast: 0ms; }
}

/* ---- base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-body);
  background: var(--surface-page);
}
h1, h2 { margin: 0; font-weight: var(--weight-light); letter-spacing: var(--tracking-title); line-height: var(--leading-tight); color: var(--text-strong); }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; letter-spacing: inherit; color: inherit; }
[hidden] { display: none !important; }
::placeholder { color: var(--gray-600); }

/* ---- icons (lucide, via css mask so they inherit currentColor) ---- */
.icon {
  display: inline-block;
  flex: none;
  width: 18px;
  height: 18px;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.icon-instagram { -webkit-mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/instagram.svg"); mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/instagram.svg"); }
.icon-youtube { -webkit-mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/youtube.svg"); mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/youtube.svg"); }
.icon-facebook { -webkit-mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/facebook.svg"); mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/facebook.svg"); }
.icon-arrow { width: 16px; height: 16px; -webkit-mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/arrow-up-right.svg"); mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/arrow-up-right.svg"); }
.icon-check { -webkit-mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/check.svg"); mask-image: url("https://cdn.jsdelivr.net/npm/lucide-static@0.454.0/icons/check.svg"); }

/* ---- layout ---- */
.page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 32px 20px 40px;
}
.grid {
  width: 100%;
  max-width: 1040px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  align-items: stretch;
}

/* ---- profile card ---- */
.profile-card {
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-card);
  position: relative;
  min-height: 420px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.profile-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 22%;
}
.profile-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, .92) 0%, rgba(0, 0, 0, .55) 32%, rgba(0, 0, 0, 0) 62%);
}
.profile-content {
  position: relative;
  padding: 28px 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.profile-text { display: flex; flex-direction: column; gap: 8px; }
.profile-text h1 { font-size: var(--text-3xl); letter-spacing: var(--tracking-display); color: var(--gray-0); }
.profile-text p { font-size: 15px; color: var(--paper-a64); max-width: 30ch; }

.social-row { display: flex; gap: 8px; }
.social-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--paper-a16);
  border-radius: var(--radius-md);
  color: var(--gray-0);
  background: var(--paper-a08);
  transition: var(--transition-control);
}
.social-btn:hover { border-color: var(--gray-0); background: var(--paper-a16); }

/* ---- side column ---- */
.side-column { display: flex; flex-direction: column; gap: 20px; }

.link-list { display: flex; flex-direction: column; gap: 10px; }
.link-row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 68px;
  padding: 0 18px;
  background: var(--surface-raised);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  transition: var(--transition-control);
}
.link-row:hover { border-color: var(--border-default); background: var(--surface-hover); }
.link-logo { width: 36px; height: 36px; flex: none; object-fit: contain; border: 1px solid var(--border-hairline); border-radius: var(--radius-sm); }
.link-text { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.link-title { font-size: 15px; font-weight: var(--weight-medium); letter-spacing: var(--tracking-tight); color: var(--text-strong); }
.link-sub { font-size: 13px; color: var(--text-secondary); }
.link-row .icon-arrow { color: var(--text-muted); }

/* ---- newsletter ---- */
.newsletter-card {
  background: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.newsletter-form { display: flex; flex-direction: column; gap: 18px; }
.newsletter-heading { display: flex; flex-direction: column; gap: 6px; }
.newsletter-heading h2 { font-size: var(--text-2xl); }
.newsletter-heading p { font-size: 14px; color: var(--text-secondary); }

.field { display: flex; flex-direction: column; gap: var(--space-2); width: 100%; }
.field-label { font-size: var(--text-xs); font-weight: var(--weight-medium); color: var(--text-secondary); }
.field-box {
  display: flex;
  align-items: center;
  height: var(--control-md);
  padding: 0 var(--space-3);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-control);
}
.field-box:focus-within { border-color: var(--border-focus); }
.field-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  font-size: var(--text-base);
  font-family: var(--font-core);
  color: var(--text-body);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--control-md);
  padding: 0 var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-core);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-tight);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-control), transform 80ms var(--ease-standard);
}
.btn-primary { background: var(--surface-inverse); color: var(--text-on-fill); }
.btn-primary:hover { background: var(--surface-inverse-hover); }
.btn-primary:active { transform: scale(.98); }
.btn-full { width: 100%; margin-top: 4px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.field-error { font-size: 13px; color: var(--text-strong); }

.newsletter-success { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; padding: 8px 0; }
.success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-strong);
}
.newsletter-success h2 { font-size: var(--text-2xl); }
.newsletter-success p { font-size: 14px; color: var(--text-secondary); }
.link-reset {
  margin-top: 4px;
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-default);
  cursor: pointer;
}
.link-reset:hover { color: var(--text-strong); border-color: var(--border-strong); }