/* ============================================================
   SAR-MAR - main.css
   System bazowy: zmienne, reset, typografia, layout, komponenty
   ============================================================ */

/* --- Google Fonts (fallback - importowane też w head.php) --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
    /* Kolory */
    --color-primary:        #2563eb;
    --color-primary-dark:   #1d4ed8;
    --color-primary-light:  #eff6ff;
    --color-secondary:      #0f172a;
    --color-accent:         #06b6d4;
    --color-success:        #10b981;
    --color-warning:        #f59e0b;
    --color-danger:         #ef4444;

    --color-gray-50:        #f8fafc;
    --color-gray-100:       #f1f5f9;
    --color-gray-200:       #e2e8f0;
    --color-gray-300:       #cbd5e1;
    --color-gray-400:       #94a3b8;
    --color-gray-500:       #64748b;
    --color-gray-600:       #475569;
    --color-gray-700:       #334155;
    --color-gray-800:       #1e293b;
    --color-gray-900:       #0f172a;
    --color-white:          #ffffff;

    /* Typografia */
    --font-family:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base:       16px;
    --line-height-base:     1.6;

    --font-size-xs:         0.75rem;   /* 12px */
    --font-size-sm:         0.875rem;  /* 14px */
    --font-size-md:         1rem;      /* 16px */
    --font-size-lg:         1.125rem;  /* 18px */
    --font-size-xl:         1.25rem;   /* 20px */
    --font-size-2xl:        1.5rem;    /* 24px */
    --font-size-3xl:        1.875rem;  /* 30px */
    --font-size-4xl:        2.25rem;   /* 36px */
    --font-size-5xl:        3rem;      /* 48px */

    /* Spacing (base 4px = 0.25rem) */
    --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;

    /* Border radius */
    --radius-sm:    0.25rem;
    --radius-md:    0.5rem;
    --radius-lg:    0.75rem;
    --radius-xl:    1rem;
    --radius-2xl:   1.5rem;
    --radius-full:  9999px;

    /* Shadows */
    --shadow-sm:    0 1px 2px 0 rgba(0,0,0,.05);
    --shadow-md:    0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg:    0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --shadow-xl:    0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
    --shadow-blue:  0 4px 14px 0 rgba(37,99,235,.3);

    /* Transitions */
    --transition-fast:      150ms ease;
    --transition-base:      200ms ease;
    --transition-slow:      300ms ease;

    /* Container */
    --container-max:        1200px;
    --container-padding:    1.5rem;

    /* Header */
    --header-height:        70px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: var(--line-height-base);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

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

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================================
   Container
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-narrow {
    width: 100%;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-wide {
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ============================================================
   Grid System
   ============================================================ */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

/* ============================================================
   Sections
   ============================================================ */
.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

.section-dark {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.section-dark .section-title,
.section-dark .section-subtitle,
.section-dark h2,
.section-dark h3,
.section-dark p {
    color: var(--color-white);
}

.section-dark .section-subtitle,
.section-dark .text-muted {
    color: var(--color-gray-400);
}

.section-gray {
    background-color: var(--color-gray-50);
}

.section-blue {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

/* Section header */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.section-dark .section-label {
    color: var(--color-accent);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.25;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ============================================================
   Typography
   ============================================================ */
h1, .h1 {
    font-size: clamp(2.5rem, 2vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h2, .h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

h3, .h3 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
}

h4, .h4 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
}

h5, .h5 {
    font-size: 1rem;
    font-weight: 600;
}

h6, .h6 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.text-lead {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

.text-small {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.text-muted {
    color: var(--color-gray-500);
}

.text-white {
    color: var(--color-white);
}

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

.text-success {
    color: var(--color-success);
}

.text-danger {
    color: var(--color-danger);
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.font-bold    { font-weight: 700; }
.font-semibold{ font-weight: 600; }
.font-medium  { font-weight: 500; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-md);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
    vertical-align: middle;
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Primary */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-blue);
    transform: translateY(-1px);
}

/* Secondary */
.btn-secondary {
    background-color: var(--color-gray-800);
    color: var(--color-white);
    border-color: var(--color-gray-800);
}

.btn-secondary:hover {
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-900);
    color: var(--color-white);
    transform: translateY(-1px);
}

/* Outline */
.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
}

/* Outline white (na ciemnym tle) */
.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-gray-900);
    border-color: var(--color-white);
    transform: translateY(-1px);
}

/* Ghost */
.btn-ghost {
    background-color: transparent;
    color: var(--color-gray-700);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* Sizes */
.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: 1rem 2rem;
    font-size: var(--font-size-xl);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-dark {
    background-color: var(--color-gray-800);
    color: var(--color-white);
}

.badge-accent {
    background-color: #cffafe;
    color: #164e63;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.card-hover {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

.form-control.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    min-width: 1.125rem;
    margin-top: 0.2rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
}

.form-check-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Honeypot - ukryte pole wabiące boty */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
    tab-index: -1;
    height: 0;
    overflow: hidden;
}

/* ============================================================
   Tables
   ============================================================ */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

thead {
    background-color: var(--color-gray-50);
}

th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: 600;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-200);
    white-space: nowrap;
}

td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-700);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--color-gray-50);
}

td.text-center, th.text-center {
    text-align: center;
}

.check-yes {
    color: var(--color-success);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.check-no {
    color: var(--color-gray-400);
    font-size: var(--font-size-lg);
}

/* ============================================================
   Utilities
   ============================================================ */
.flex               { display: flex; }
.flex-col           { flex-direction: column; }
.items-center       { align-items: center; }
.items-start        { align-items: flex-start; }
.justify-center     { justify-content: center; }
.justify-between    { justify-content: space-between; }
.gap-2              { gap: var(--space-2); }
.gap-3              { gap: var(--space-3); }
.gap-4              { gap: var(--space-4); }
.gap-6              { gap: var(--space-6); }
.gap-8              { gap: var(--space-8); }
.flex-wrap          { flex-wrap: wrap; }
.flex-1             { flex: 1; }

.mt-0  { margin-top: 0; }
.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-0  { margin-bottom: 0; }
.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.pt-0  { padding-top: 0; }
.pb-0  { padding-bottom: 0; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow     { box-shadow: var(--shadow-md); }
.shadow-lg  { box-shadow: var(--shadow-lg); }
.shadow-xl  { box-shadow: var(--shadow-xl); }

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

.divider {
    height: 1px;
    background-color: var(--color-gray-200);
    border: none;
    margin: var(--space-8) 0;
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Highlight */
.highlight {
    color: var(--color-primary);
}

/* Icon wrapper */
.icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    flex-shrink: 0;
}

.icon-wrap-lg {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-xl);
}

.icon-wrap-success {
    background-color: #d1fae5;
    color: var(--color-success);
}

.icon-wrap-warning {
    background-color: #fef3c7;
    color: var(--color-warning);
}

.icon-wrap-accent {
    background-color: #cffafe;
    color: var(--color-accent);
}