/* ============================================================
   SiteBlueprint - Main Stylesheet
   Branding: Chad Sia Media (chadsia.com)
   Colors extracted from live site Elementor CSS
   ============================================================ */

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
    /* Brand Colors */
    --brand-primary:        #4968F8;
    --brand-primary-soft:   #7F9FFE;
    --brand-primary-tint:   #f0f3fd;
    --brand-primary-ghost:  rgba(73, 104, 248, 0.08);
    --brand-white:          #FFFFFF;
    --brand-dark:           #3C3C3C;
    --brand-darker:         #1a2130;
    --brand-charcoal:       #1f2124;
    --brand-text:           #33373d;
    --brand-text-muted:     #69727d;
    --brand-text-on-dark:   #eeeeee;
    --brand-border:         rgba(73, 104, 248, 0.15);
    --brand-border-hover:   #4968F8;
    --brand-error:          #E74C3C;
    --brand-success:        #61CE70;
    --brand-warning:        #F39C12;
    --brand-link-hover:     #CC3366;

    /* Typography */
    --font-family:           "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-weight-regular:   400;
    --font-weight-medium:    500;
    --font-weight-semibold:  600;
    --font-weight-bold:      700;
    --font-size-h1:          2.5rem;
    --font-size-h2:          2rem;
    --font-size-h3:          1.5rem;
    --font-size-h4:          1.125rem;
    --font-size-body:        1rem;
    --font-size-small:       0.875rem;
    --font-size-tiny:        0.75rem;
    --line-height-tight:     1.2;
    --line-height-normal:    1.6;
    --line-height-relaxed:   1.8;

    /* Spacing */
    --container-max:         1100px;
    --container-padding:     20px;
    --section-gap:           60px;
    --card-padding:          32px;
    --card-padding-sm:       24px;
    --card-radius:           12px;
    --button-radius:         8px;
    --input-height:          52px;
    --input-height-sm:       44px;
    --grid-gap:              20px;
    --space-xs:              4px;
    --space-sm:              8px;
    --space-md:              16px;
    --space-lg:              24px;
    --space-xl:              32px;
    --space-2xl:             48px;
    --space-3xl:             64px;

    /* Shadows */
    --shadow-sm:             0 1px 3px rgba(26, 33, 48, 0.08);
    --shadow-md:             0 4px 12px rgba(26, 33, 48, 0.10);
    --shadow-lg:             0 8px 30px rgba(26, 33, 48, 0.12);
    --shadow-glow:           0 0 0 3px rgba(73, 104, 248, 0.15);
    --shadow-glow-strong:    0 0 0 4px rgba(73, 104, 248, 0.25);

    /* Transitions */
    --transition-fast:       0.15s ease;
    --transition-base:       0.2s ease;
    --transition-smooth:     0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce:     0.3s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index */
    --z-base:                1;
    --z-dropdown:            100;
    --z-sticky:              200;
    --z-modal:               300;
    --z-toast:               400;
}

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

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    font-size: var(--font-size-body);
    line-height: var(--line-height-normal);
    color: var(--brand-text);
    background-color: var(--brand-primary-tint);
    min-height: 100vh;
}

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

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

a:hover {
    color: var(--brand-link-hover);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--brand-dark);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
    margin-bottom: var(--space-md);
}

p:last-child {
    margin-bottom: 0;
}

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

.text-small {
    font-size: var(--font-size-small);
}

.text-tiny {
    font-size: var(--font-size-tiny);
}

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

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

/* ---------- Layout ---------- */
.sb-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.sb-section {
    padding: var(--section-gap) 0;
}

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

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

.sb-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.sb-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.sb-flex {
    display: flex;
}

.sb-flex-col {
    flex-direction: column;
}

.sb-items-center {
    align-items: center;
}

.sb-justify-between {
    justify-content: space-between;
}

.sb-justify-center {
    justify-content: center;
}

.sb-gap-sm { gap: var(--space-sm); }
.sb-gap-md { gap: var(--space-md); }
.sb-gap-lg { gap: var(--space-lg); }

/* ---------- Header ---------- */
.sb-header {
    background: var(--brand-white);
    border-bottom: 1px solid var(--brand-border);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.sb-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sb-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-h4);
    color: var(--brand-dark);
}

.sb-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-soft));
    border-radius: var(--button-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-white);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-bold);
}

.sb-logo:hover {
    color: var(--brand-dark);
}

.sb-header-tagline {
    font-size: var(--font-size-small);
    color: var(--brand-text-muted);
    margin-left: auto;
    padding-left: var(--space-lg);
}

/* ---------- Footer ---------- */
.sb-footer {
    background: var(--brand-darker);
    color: var(--brand-text-on-dark);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: auto;
}

.sb-footer a {
    color: var(--brand-primary-soft);
}

.sb-footer a:hover {
    color: var(--brand-white);
}

.sb-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.sb-footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-white);
    margin-bottom: var(--space-md);
}

.sb-footer-desc {
    color: var(--brand-text-muted);
    line-height: var(--line-height-relaxed);
    max-width: 320px;
}

.sb-footer-heading {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.sb-footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.sb-footer-links a {
    color: var(--brand-text-muted);
    font-size: var(--font-size-small);
    transition: color var(--transition-fast);
}

.sb-footer-links a:hover {
    color: var(--brand-white);
}

.sb-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-small);
    color: var(--brand-text-muted);
}

.sb-footer-social {
    display: flex;
    gap: var(--space-md);
}

.sb-footer-social a {
    color: var(--brand-text-muted);
    transition: color var(--transition-fast);
}

.sb-footer-social a:hover {
    color: var(--brand-white);
}

/* ---------- Buttons ---------- */
.sb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-family);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-body);
    line-height: 1;
    padding: 14px 32px;
    border-radius: var(--button-radius);
    border: none;
    cursor: pointer;
    transition: background var(--transition-base), transform 0.1s ease, box-shadow var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.sb-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background var(--transition-fast);
}

.sb-btn:hover::after {
    background: rgba(255, 255, 255, 0.08);
}

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

.sb-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Primary */
.sb-btn-primary {
    background: var(--brand-primary);
    color: var(--brand-white);
    box-shadow: 0 2px 8px rgba(73, 104, 248, 0.3);
}

.sb-btn-primary:hover {
    background: var(--brand-primary);
    box-shadow: 0 4px 16px rgba(73, 104, 248, 0.4);
    transform: translateY(-1px);
}

.sb-btn-primary:disabled {
    background: var(--brand-primary-soft);
    box-shadow: none;
}

/* Secondary (Outline) */
.sb-btn-secondary {
    background: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
    padding: 12px 30px;
}

.sb-btn-secondary:hover {
    background: var(--brand-primary-tint);
    transform: translateY(-1px);
}

/* Dark */
.sb-btn-dark {
    background: var(--brand-charcoal);
    color: var(--brand-white);
}

.sb-btn-dark:hover {
    background: var(--brand-dark);
    transform: translateY(-1px);
}

/* Ghost */
.sb-btn-ghost {
    background: transparent;
    color: var(--brand-text-muted);
    padding: 14px 20px;
}

.sb-btn-ghost:hover {
    background: var(--brand-primary-ghost);
    color: var(--brand-primary);
    transform: none;
}

/* Sizes */
.sb-btn-sm {
    padding: 10px 20px;
    font-size: var(--font-size-small);
}

.sb-btn-lg {
    padding: 16px 40px;
    font-size: var(--font-size-h4);
}

/* Loading state */
.sb-btn-loading {
    pointer-events: none;
}

.sb-btn-loading .sb-btn-text {
    opacity: 0;
}

.sb-btn-loading::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--brand-white);
    border-radius: 50%;
    animation: sb-spin 0.8s linear infinite;
}

@keyframes sb-spin {
    to { transform: rotate(360deg); }
}

/* ---------- Form Fields ---------- */
.sb-field {
    margin-bottom: var(--space-lg);
}

.sb-field:last-child {
    margin-bottom: 0;
}

.sb-field-label {
    display: block;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-small);
    color: var(--brand-dark);
    margin-bottom: var(--space-sm);
}

.sb-field-label .sb-required {
    color: var(--brand-error);
    margin-left: 2px;
}

.sb-field-hint {
    font-size: var(--font-size-small);
    color: var(--brand-text-muted);
    margin-top: var(--space-xs);
    line-height: var(--line-height-normal);
}

.sb-field-error {
    font-size: var(--font-size-small);
    color: var(--brand-error);
    margin-top: var(--space-xs);
    display: none;
}

.sb-field.has-error .sb-field-error {
    display: block;
}

.sb-field.has-error .sb-input,
.sb-field.has-error .sb-select,
.sb-field.has-error .sb-textarea {
    border-color: var(--brand-error);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.12);
}

/* Input */
.sb-input,
.sb-select,
.sb-textarea {
    width: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    color: var(--brand-text);
    background: var(--brand-white);
    border: 1px solid var(--brand-border);
    border-radius: var(--button-radius);
    padding: 0 var(--space-md);
    height: var(--input-height);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    appearance: none;
}

.sb-input:focus,
.sb-select:focus,
.sb-textarea:focus {
    outline: none;
    border-color: var(--brand-border-hover);
    box-shadow: var(--shadow-glow);
}

.sb-input::placeholder,
.sb-textarea::placeholder {
    color: var(--brand-text-muted);
    opacity: 0.8;
}

.sb-textarea {
    height: auto;
    min-height: 120px;
    padding: var(--space-md);
    resize: vertical;
    line-height: var(--line-height-normal);
}

/* Select */
.sb-select-wrapper {
    position: relative;
}

.sb-select-wrapper::after {
    content: '';
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--brand-text-muted);
    pointer-events: none;
}

.sb-select-wrapper .sb-select {
    padding-right: var(--space-2xl);
}

/* Checkbox & Radio */
.sb-check-group,
.sb-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.sb-check-row,
.sb-radio-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--button-radius);
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.sb-check-row:hover,
.sb-radio-row:hover {
    background: var(--brand-primary-ghost);
}

.sb-check-row input,
.sb-radio-row input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.sb-check-box,
.sb-radio-dot {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--brand-border);
    background: var(--brand-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background var(--transition-fast);
    margin-top: 2px;
}

.sb-check-box {
    border-radius: 4px;
}

.sb-radio-dot {
    border-radius: 50%;
}

.sb-check-box::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--brand-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.sb-radio-dot::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--brand-white);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.sb-check-row input:checked + .sb-check-box,
.sb-radio-row input:checked + .sb-radio-dot {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
}

.sb-check-row input:checked + .sb-check-box::after,
.sb-radio-row input:checked + .sb-radio-dot::after {
    opacity: 1;
}

.sb-check-row input:focus + .sb-check-box,
.sb-radio-row input:focus + .sb-radio-dot {
    box-shadow: var(--shadow-glow);
}

.sb-check-label {
    font-size: var(--font-size-body);
    color: var(--brand-text);
    line-height: var(--line-height-normal);
}

/* Toggle switch */
.sb-toggle-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
}

.sb-toggle-row input {
    position: absolute;
    opacity: 0;
}

.sb-toggle-slider {
    width: 44px;
    height: 24px;
    background: var(--brand-border);
    border-radius: 12px;
    position: relative;
    transition: background var(--transition-base);
    flex-shrink: 0;
}

.sb-toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--brand-white);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.sb-toggle-row input:checked + .sb-toggle-slider {
    background: var(--brand-primary);
}

.sb-toggle-row input:checked + .sb-toggle-slider::after {
    transform: translateX(20px);
}

/* ---------- Cards ---------- */
.sb-card {
    background: var(--brand-white);
    border: 1px solid var(--brand-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.sb-card:hover {
    box-shadow: var(--shadow-md);
}

.sb-card-title {
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-dark);
    margin-bottom: var(--space-md);
}

/* ---------- Badges ---------- */
.sb-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: var(--font-size-tiny);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sb-badge-primary {
    background: var(--brand-primary-ghost);
    color: var(--brand-primary);
}

.sb-badge-success {
    background: rgba(97, 206, 112, 0.12);
    color: var(--brand-success);
}

.sb-badge-error {
    background: rgba(231, 76, 60, 0.10);
    color: var(--brand-error);
}

/* ---------- Divider ---------- */
.sb-divider {
    height: 1px;
    background: var(--brand-border);
    margin: var(--space-lg) 0;
    border: none;
}

/* ---------- Empty state ---------- */
.sb-empty {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--brand-text-muted);
}

/* ---------- Toast Notifications ---------- */
.sb-toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.sb-toast {
    background: var(--brand-dark);
    color: var(--brand-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--button-radius);
    font-size: var(--font-size-small);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transform: translateY(20px);
    opacity: 0;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    pointer-events: auto;
    max-width: 400px;
}

.sb-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.sb-toast-success {
    background: var(--brand-success);
}

.sb-toast-error {
    background: var(--brand-error);
}

.sb-toast-warning {
    background: var(--brand-warning);
}

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

:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

/* ---------- Print ---------- */
@media print {
    .sb-header,
    .sb-footer,
    .sb-step-nav,
    .sb-step-actions {
        display: none !important;
    }

    .sb-step-panel {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
        position: static !important;
    }

    .sb-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    :root {
        --font-size-h1: 2rem;
        --font-size-h2: 1.75rem;
        --font-size-h3: 1.25rem;
    }

    .sb-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .sb-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-h1: 1.75rem;
        --font-size-h2: 1.5rem;
        --font-size-h3: 1.125rem;
        --card-padding: var(--card-padding-sm);
        --section-gap: var(--space-xl);
    }

    .sb-grid-2,
    .sb-grid-3 {
        grid-template-columns: 1fr;
    }

    .sb-footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .sb-footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .sb-header-tagline {
        display: none;
    }
}