/* ------------------------------------------------------------
   Ollato Eduversity - Global Main Styles
   File: assets/css/global/style.css

   Purpose:
   - CSS reset
   - Base layout
   - Common elements
   - Global buttons
   - Global sections
   - Common animations
------------------------------------------------------------ */


/* ------------------------------------------------------------
   CSS Reset
------------------------------------------------------------ */

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

* {
    margin: 0;
    padding: 0;
}

html {
    width: 100%;
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--color-body-bg);
    color: var(--color-text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* ------------------------------------------------------------
   Media Defaults
------------------------------------------------------------ */

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

img {
    height: auto;
}

svg {
    fill: currentColor;
}


/* ------------------------------------------------------------
   Form Element Reset
------------------------------------------------------------ */

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

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

input,
textarea,
select {
    color: inherit;
}

textarea {
    resize: vertical;
}


/* ------------------------------------------------------------
   Table Defaults
------------------------------------------------------------ */

table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}


/* ------------------------------------------------------------
   Page Layout
------------------------------------------------------------ */

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

.site-main {
    width: 100%;
    flex: 1 0 auto;
}

.site-footer {
    flex-shrink: 0;
}


/* ------------------------------------------------------------
   Common Section Layout
------------------------------------------------------------ */

section {
    position: relative;
}

.section-padding {
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
}

.section-padding-sm {
    padding-top: var(--section-padding-y-sm);
    padding-bottom: var(--section-padding-y-sm);
}

.section-padding-lg {
    padding-top: var(--section-padding-y-lg);
    padding-bottom: var(--section-padding-y-lg);
}


/* ------------------------------------------------------------
   Common Page Hero Base
------------------------------------------------------------ */

.page-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 360px;
    padding: var(--space-20) 0;
    overflow: hidden;
    background:
        linear-gradient(
            135deg,
            rgba(16, 35, 63, 0.94),
            rgba(31, 79, 143, 0.88)
        ),
        var(--color-primary);
    color: var(--color-white);
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.12), transparent 28%),
        radial-gradient(circle at 80% 30%, rgba(243, 156, 18, 0.18), transparent 30%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero-content {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.page-hero-title {
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.page-hero-subtitle {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.88);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}


/* ------------------------------------------------------------
   Common Content Blocks
------------------------------------------------------------ */

.content-block {
    max-width: 820px;
}

.content-block-center {
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.content-block p {
    margin-bottom: var(--space-4);
}

.content-block p:last-child {
    margin-bottom: 0;
}


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

.btn-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
}

.btn-group-center {
    justify-content: center;
}

.btn-group-left {
    justify-content: flex-start;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}


/* ------------------------------------------------------------
   Common Cards
------------------------------------------------------------ */

.info-card {
    height: 100%;
    padding: var(--space-6);
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.info-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.info-card-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.info-card-title {
    margin-bottom: var(--space-3);
    font-size: var(--font-size-xl);
    color: var(--color-heading);
}

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


/* ------------------------------------------------------------
   Common Image Blocks
------------------------------------------------------------ */

.image-box {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-box::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0),
        rgba(0, 0, 0, 0.12)
    );
}


/* ------------------------------------------------------------
   Common Lists
------------------------------------------------------------ */

.check-list {
    list-style: none;
    margin: var(--space-5) 0 0;
    padding: 0;
}

.check-list li {
    position: relative;
    margin-bottom: var(--space-3);
    padding-left: var(--space-7);
    color: var(--color-text);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
}

.check-list li:last-child {
    margin-bottom: 0;
}


/* ------------------------------------------------------------
   Badge / Label
------------------------------------------------------------ */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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


/* ------------------------------------------------------------
   Breadcrumb
------------------------------------------------------------ */

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    color: rgba(255, 255, 255, 0.78);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.88);
}

.breadcrumb a:hover {
    color: var(--color-white);
}

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.55);
}


/* ------------------------------------------------------------
   Common Forms
------------------------------------------------------------ */

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.form-note {
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}


/* ------------------------------------------------------------
   Alert Messages
------------------------------------------------------------ */

.alert {
    padding: var(--space-4);
    margin-bottom: var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
}

.alert-success {
    background-color: var(--color-success-light);
    border-color: rgba(31, 164, 99, 0.25);
    color: var(--color-success);
}

.alert-error {
    background-color: var(--color-error-light);
    border-color: rgba(217, 48, 37, 0.25);
    color: var(--color-error);
}

.alert-warning {
    background-color: var(--color-warning-light);
    border-color: rgba(244, 180, 0, 0.25);
    color: #8a6400;
}

.alert-info {
    background-color: var(--color-info-light);
    border-color: rgba(26, 115, 232, 0.25);
    color: var(--color-info);
}


/* ------------------------------------------------------------
   Back To Top Button
------------------------------------------------------------ */

.back-to-top {
    position: fixed;
    right: var(--space-5);
    bottom: var(--space-5);
    z-index: var(--z-fixed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast),
        transform var(--transition-fast),
        background-color var(--transition-fast);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}


/* ------------------------------------------------------------
   Animation Helpers
------------------------------------------------------------ */

.fade-in {
    animation: fadeIn 0.7s ease both;
}

.slide-up {
    animation: slideUp 0.7s ease both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ------------------------------------------------------------
   Print Defaults
------------------------------------------------------------ */

@media print {
    .site-header,
    .site-navbar,
    .cta-section,
    .site-footer,
    .back-to-top {
        display: none !important;
    }

    body {
        background-color: #ffffff;
        color: #000000;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }
}