/**
 * COOKIEJAR DESIGN SYSTEM - LANDING PAGE STYLES
 * FINAL VERSION - All components must use ONLY these tokens.
 */

/* ============================================
   DESIGN SYSTEM TOKENS (matches app-styles.css)
   ============================================ */
:root {
    /* PRIMARY COLORS */
    --color-primary: #30543F;        /* Deep cookie-jar green */
    --color-primary-hover: #263f2f;  /* 5% darker for hover */
    --color-primary-light: #e8f0ec;  /* Light tint for backgrounds */

    --color-secondary: #E9DCC5;      /* Warm beige/tan */
    --color-accent: #C9972B;         /* Golden cookie yellow */

    --color-surface: #FAF7F2;        /* Soft cream background */
    --color-background: #FFFFFF;     /* White */

    /* TEXT COLORS */
    --text-heading: #1C1A17;         /* Dark chocolate brown */
    --text-body: #3E3B36;            /* Rich soft brown */

    /* STATE COLORS */
    --color-success: #2E7D32;
    --color-warning: #D9822B;
    --color-error: #B00020;

    /* SHADOW */
    --shadow-color: rgba(0, 0, 0, 0.10);
    --shadow-standard: 0px 4px 12px var(--shadow-color);

    /* BORDERS */
    --border-color: #C9C4BA;         /* Soft brown-gray */
    --border-input: #C9C4BA;

    /* TYPOGRAPHY */
    --font-family: "Inter", "Segoe UI", sans-serif;

    /* Type Scale */
    --font-size-h1: 2.4rem;
    --font-size-h2: 1.9rem;
    --font-size-h3: 1.4rem;
    --font-size-body: 1.05rem;
    --font-size-small: 0.9rem;

    --font-weight-h1: 700;
    --font-weight-h2: 600;
    --font-weight-h3: 600;
    --font-weight-body: 400;
    --font-weight-button: 600;

    --line-height-heading: 1.25;
    --line-height-body: 1.5;

    /* SPACING SCALE (ONLY THESE VALUES ALLOWED) */
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-24: 24px;
    --space-32: 32px;

    /* BORDER RADIUS */
    --radius-standard: 12px;
    --radius-button: 8px;

    /* LAYOUT */
    --container-max-width: 1280px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-body);
    line-height: var(--line-height-body);
    color: var(--text-body);
    background: var(--color-background);
    overflow-x: hidden;
}

/* ============================================
   GRID SYSTEM
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-16);
    padding-right: var(--space-16);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }

.grid {
    display: grid;
    gap: var(--space-24);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }
.gap-24 { gap: var(--space-24); }
.gap-32 { gap: var(--space-32); }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    font-weight: var(--font-weight-h1);
    line-height: var(--line-height-heading);
    color: var(--text-heading);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-h1);
    margin-bottom: var(--space-24);
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-h2);
    margin-bottom: var(--space-16);
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-h3);
    margin-bottom: var(--space-12);
}

p {
    margin-bottom: var(--space-16);
    color: var(--text-body);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: 12px 20px;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-button);
    line-height: 1;
    border: none;
    border-radius: var(--radius-button);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-8) var(--space-16);
    font-size: var(--font-size-small);
}

.btn-lg {
    padding: var(--space-16) var(--space-32);
    font-size: 1.125rem;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-secondary);
}

.btn-accent {
    background: var(--color-accent);
    color: white;
}

.btn-accent:hover:not(:disabled) {
    background: var(--color-warning);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
    padding: var(--space-8) var(--space-12);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-standard);
    padding: var(--space-24);
    box-shadow: var(--shadow-standard);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0px 6px 16px var(--shadow-color);
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    box-shadow: 0px 8px 20px var(--shadow-color);
    transform: translateY(-4px);
}

.card-interactive:active {
    transform: translateY(-2px);
    box-shadow: var(--shadow-standard);
}

.card-header {
    margin-bottom: var(--space-16);
}

.card-body {
    color: var(--text-body);
}

.card-footer {
    margin-top: var(--space-24);
    padding-top: var(--space-16);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-24);
}

.form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-h3);
    color: var(--text-heading);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-12);
    font-size: var(--font-size-body);
    font-family: var(--font-family);
    color: var(--text-body);
    background: var(--color-background);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-button);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background: var(--color-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-error {
    margin-top: var(--space-8);
    font-size: var(--font-size-small);
    color: var(--color-error);
}

.form-hint {
    margin-top: var(--space-8);
    font-size: var(--font-size-small);
    color: var(--text-body);
    opacity: 0.7;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-h3);
    line-height: 1;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.badge-success {
    background: #e8f5e9;
    color: var(--color-success);
}

.badge-error {
    background: #ffebee;
    color: var(--color-error);
}

.badge-warning {
    background: #fff3e0;
    color: var(--color-warning);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: var(--space-16);
    border-radius: var(--radius-standard);
    margin-bottom: var(--space-16);
    position: relative;
    padding-left: var(--space-24);
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: var(--radius-button) 0 0 var(--radius-button);
}

.alert-success {
    background: #e8f5e9;
    color: var(--color-success);
}

.alert-success::before {
    background: var(--color-success);
}

.alert-error {
    background: #ffebee;
    color: var(--color-error);
}

.alert-error::before {
    background: var(--color-error);
}

.alert-warning {
    background: #fff3e0;
    color: var(--color-warning);
}

.alert-warning::before {
    background: var(--color-warning);
}

/* ============================================
   TAB NAVIGATION
   ============================================ */
.tab-panel {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.tab-panel.active {
    display: block;
    opacity: 1;
}

.main-tabs {
    display: flex;
    gap: var(--space-8);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-16);
    background: var(--color-surface);
}

.main-tabs .tab {
    padding: var(--space-12) var(--space-16);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-body);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.main-tabs .tab:hover {
    color: var(--text-heading);
}

.main-tabs .tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: var(--font-weight-h1); }
.font-semibold { font-weight: var(--font-weight-h2); }
.font-medium { font-weight: var(--font-weight-h3); }
.font-normal { font-weight: var(--font-weight-body); }

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

.bg-primary { background: var(--color-primary); }
.bg-accent { background: var(--color-accent); }
.bg-surface { background: var(--color-surface); }
.bg-background { background: var(--color-background); }

.rounded-standard { border-radius: var(--radius-standard); }
.rounded-button { border-radius: var(--radius-button); }
.rounded-full { border-radius: 9999px; }

/* Shadow utilities */
.shadow { box-shadow: var(--shadow-standard); }
.shadow-none { box-shadow: none; }

/* Spacing utilities */
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }

.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }

.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }
.p-24 { padding: var(--space-24); }
.p-32 { padding: var(--space-32); }

.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
.px-12 { padding-left: var(--space-12); padding-right: var(--space-12); }
.px-16 { padding-left: var(--space-16); padding-right: var(--space-16); }
.px-24 { padding-left: var(--space-24); padding-right: var(--space-24); }
.px-32 { padding-left: var(--space-32); padding-right: var(--space-32); }

.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }
.py-32 { padding-top: var(--space-32); padding-bottom: var(--space-32); }

/* Display utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.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;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:flex-row { flex-direction: row; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.25rem; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .animate-fade-in {
        animation: fadeIn 0.3s ease-out;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .animate-slide-in {
        animation: slideIn 0.4s ease;
    }

    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateX(-20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: var(--space-12) var(--space-24);
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-button);
}

.skip-to-main:focus {
    left: var(--space-16);
    top: var(--space-16);
}