/* =========================================================
   syczek.online — design system
   Direction: private premium infrastructure
   Palette: ink / slate / teal (no purple, no cream+terracotta)
   ========================================================= */

:root {
  color-scheme: light;

  --bg: #eef1f4;
  --bg-deep: #e4e9ee;
  --surface: #f8f9fb;
  --surface-2: #ffffff;
  --ink: #12161c;
  --ink-soft: #2a323c;
  --muted: #5c6874;
  --line: #cfd6de;
  --line-strong: #aeb8c3;
  --accent: #1f6b63;
  --accent-hover: #185751;
  --accent-soft: #d9ebe8;
  --accent-glow: rgba(31, 107, 99, 0.14);
  --danger: #9b3d3d;
  --danger-soft: #f5e4e4;
  --ok: #1f6b63;
  --ok-soft: #d9ebe8;
  --status-private: #5c6874;
  --status-invite: #8a5a2b;
  --status-auth: #1f6b63;

  --shadow-sm: 0 1px 0 rgba(18, 22, 28, 0.04);
  --shadow-md: 0 12px 40px rgba(18, 22, 28, 0.08);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;

  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 2rem;
  --space-9: 7rem;

  --max: 1120px;
  --header-h: 4.25rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 280ms;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0b0e11;
  --bg-deep: #07090b;
  --surface: #12171c;
  --surface-2: #171d24;
  --ink: #e9eef2;
  --ink-soft: #d0d7de;
  --muted: #95a0ab;
  --line: #2a333c;
  --line-strong: #3d4854;
  --accent: #4db5a8;
  --accent-hover: #6bc7bb;
  --accent-soft: #14302d;
  --accent-glow: rgba(77, 181, 168, 0.16);
  --danger: #e08a8a;
  --danger-soft: #2a1717;
  --ok: #4db5a8;
  --ok-soft: #14302d;
  --status-private: #95a0ab;
  --status-invite: #d4a574;
  --status-auth: #4db5a8;

  --shadow-sm: 0 1px 0 rgba(0, 0, 0, 0.35);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 12% -10%, var(--accent-glow), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(18, 22, 28, 0.04), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  background-attachment: fixed;
}

[data-theme="dark"] body {
  background:
    radial-gradient(1000px 520px at 10% -8%, var(--accent-glow), transparent 55%),
    radial-gradient(800px 480px at 100% 0%, rgba(77, 181, 168, 0.05), transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 1000;
  padding: var(--space-2) var(--space-4);
  background: var(--surface-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-4);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 4rem;
  height: 4rem;
  color: var(--ink);
  flex-shrink: 0;
}

.brand-domain {
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: transparent;
  color: #9aa3ad;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.blog-link:hover {
  color: var(--muted);
  transform: translateY(-1px);
}

.blog-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.blog-link-icon {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.blog-link-icon-dark {
  display: none;
}

[data-theme="dark"] .blog-link-icon-light {
  display: none;
}

[data-theme="dark"] .blog-link-icon-dark {
  display: block;
}

.nav-cta {
  display: none;
}

@media (min-width: 720px) {
  .nav-cta {
    display: inline-flex;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #f7fffe;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #f7fffe;
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--ink-soft);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.btn-block {
  width: 100%;
}

.btn[disabled],
.btn.is-loading {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Sections ---------- */

.section {
  padding: var(--space-8) 0;
}

.section-services {
  padding-top: var(--space-6);
}

.section-kicker {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Services bento ---------- */

.services-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .services-grid {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: minmax(11.5rem, auto);
  }

  .service-card[data-size="lg"] {
    grid-column: span 3;
    min-height: 15rem;
  }

  .service-card[data-size="md"] {
    grid-column: span 2;
  }

  .service-card[data-size="wide"] {
    grid-column: span 4;
  }

  .service-card[data-size="sm"] {
    grid-column: span 2;
  }
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent-glow);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.service-card:hover,
.service-card:focus-within {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--surface-2);
}

.service-card:hover::before,
.service-card:focus-within::before {
  opacity: 1;
}

.service-top {
  display: grid;
  gap: var(--space-3);
  position: relative;
}

.service-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.service-tech {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.service-logo {
  margin-left: auto;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  position: relative;
}

.service-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.service-logo-dark {
  display: none;
}

[data-theme="dark"] .service-logo-light {
  display: none;
}

[data-theme="dark"] .service-logo-dark {
  display: block;
}

.service-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
}

.service-status[data-kind="private"] {
  color: var(--status-private);
}

.service-status[data-kind="invite"] {
  color: var(--status-invite);
}

.service-status[data-kind="auth"] {
  color: var(--status-auth);
}

.service-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.service-host {
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.service-desc {
  margin: 0;
  color: var(--ink-soft);
  max-width: 28rem;
}

.service-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  position: relative;
}

/* ---------- Access / form section ---------- */

.access-panel {
  display: grid;
  gap: var(--space-6);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 900px) {
  .access-panel {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

.access-intro h2 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
}

.access-intro p {
  margin: 0 0 var(--space-4);
  color: var(--muted);
}

.access-note {
  padding: var(--space-4);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- Form ---------- */

.form {
  position: relative;
  display: grid;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row.two {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field label,
.fieldset-legend {
  font-weight: 650;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.field .hint {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 400;
}

.field input[type="text"],
.field input[type="email"],
.field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--ink);
  font: inherit;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.field input:hover,
.field textarea:hover {
  border-color: var(--line-strong);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

.fieldset {
  margin: 0;
  padding: 0;
  border: none;
  display: grid;
  gap: var(--space-3);
}

.service-checks {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .service-checks {
    grid-template-columns: 1fr 1fr;
  }
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.check:hover {
  border-color: var(--line-strong);
}

.check:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft);
}

.check:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.check input {
  margin-top: 0.2rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.check span {
  display: grid;
  gap: 0.1rem;
}

.check strong {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--ink);
}

.check small {
  color: var(--muted);
  font-size: 0.8rem;
}

.form-feedback {
  display: none;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.98rem;
}

.form-feedback.is-visible {
  display: block;
}

.form-feedback[data-type="success"] {
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 40%, transparent);
  color: var(--ink);
}

.form-feedback[data-type="error"] {
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
  color: var(--ink);
}

.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  pointer-events: none;
}

.access-form-home:empty::before {
  content: "Formularz jest otwarty w oknie dialogowym.";
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: var(--space-7);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.footer-bottom {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: end center;
  padding: var(--space-4);
  background: rgba(8, 10, 12, 0.48);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@media (min-width: 720px) {
  .modal {
    place-items: center;
  }
}

.modal-dialog {
  width: min(100%, 560px);
  max-height: min(92vh, 820px);
  overflow: auto;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  transform: translateY(18px);
  transition: transform var(--dur) var(--ease);
}

@media (min-width: 720px) {
  .modal-dialog {
    border-radius: var(--radius-lg);
    transform: translateY(12px) scale(0.98);
  }
}

.modal.is-open .modal-dialog {
  transform: none;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.modal-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.modal-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.modal-close {
  flex-shrink: 0;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.modal-close:hover {
  border-color: var(--line-strong);
}

body.modal-open {
  overflow: hidden;
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}