/* =====================================================
   SML Biopharm - Common CSS
   Sophisticated Biotech Editorial Design System
   ===================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--s-font-primary);
    font-size: var(--s-font-size-base);
    font-weight: var(--s-font-weight-normal);
    line-height: var(--s-line-height-normal);
    color: var(--s-text-primary);
    background-color: var(--s-bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* =====================================================
   3. Typography - Editorial Style
   ===================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--s-font-display);
    font-weight: var(--s-font-weight-semibold);
    line-height: var(--s-line-height-tight);
    color: var(--s-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--s-letter-spacing-tight);
}

h1 {
    font-size: var(--s-font-size-5xl);
    font-weight: var(--s-font-weight-bold);
}

h2 {
    font-size: var(--s-font-size-3xl);
}

h3 {
    font-size: var(--s-font-size-2xl);
}

h4 {
    font-size: var(--s-font-size-xl);
}

h5 {
    font-size: var(--s-font-size-lg);
}

h6 {
    font-size: var(--s-font-size-md);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--s-text-secondary);
    line-height: var(--s-line-height-relaxed);
}

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

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

strong,
b {
    font-weight: var(--s-font-weight-semibold);
}

small {
    font-size: var(--s-font-size-sm);
}

/* Section Headers - Editorial Style */
.section-label {
    display: inline-block;
    font-family: var(--s-font-primary);
    font-size: 11px;
    font-weight: var(--s-font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--s-letter-spacing-widest);
    color: var(--s-color-accent);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title {
    font-family: var(--s-font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--s-font-weight-semibold);
    color: var(--s-text-primary);
    line-height: var(--s-line-height-tight);
    letter-spacing: var(--s-letter-spacing-tight);
    margin-bottom: var(--spacing-md);
}

.section-desc {
    font-size: var(--s-font-size-md);
    color: var(--s-text-secondary);
    max-width: 640px;
    line-height: var(--s-line-height-relaxed);
}

.section-header.text-center .section-label {
    padding-left: 0;
}

.section-header.text-center .section-label::before {
    display: none;
}

.section-header.text-center .section-desc {
    margin: 0 auto;
}

/* =====================================================
   4. Layout Utilities
   ===================================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: var(--spacing-4xl) 0;
}

/* =====================================================
   5. Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--s-font-primary);
    font-size: var(--s-font-size-base);
    font-weight: var(--s-font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--s-radius-full);
    cursor: pointer;
    transition: all var(--s-transition-normal);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--s-color-primary);
    color: var(--s-text-on-primary);
    border-color: var(--s-color-primary);
}

.btn-primary:hover {
    background-color: var(--s-color-primary-dark);
    border-color: var(--s-color-primary-dark);
    color: var(--s-text-on-primary);
}

.btn-secondary {
    background-color: transparent;
    color: var(--s-color-primary);
    border-color: var(--s-color-primary);
}

.btn-secondary:hover {
    background-color: var(--s-color-primary);
    color: var(--s-text-on-primary);
}

.btn-white {
    background-color: var(--s-bg-white);
    color: var(--s-color-primary);
    border-color: var(--s-bg-white);
}

.btn-white:hover {
    background-color: var(--s-color-primary-pale);
    border-color: var(--s-color-primary-pale);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--s-font-size-md);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--s-font-size-sm);
}

/* =====================================================
   6. Section Titles
   ===================================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--s-font-size-sm);
    font-weight: var(--s-font-weight-semibold);
    color: var(--s-color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--s-font-size-4xl);
    font-weight: var(--s-font-weight-bold);
    color: var(--s-text-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--s-font-size-md);
    color: var(--s-text-muted);
    margin: 0 auto;
}

/* =====================================================
   7. Cards
   ===================================================== */
.card {
    background-color: var(--s-bg-white);
    border-radius: var(--s-radius-lg);
    box-shadow: var(--s-shadow-md);
    overflow: hidden;
    transition: transform var(--s-transition-normal), box-shadow var(--s-transition-normal);
}

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

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--s-font-size-lg);
    font-weight: var(--s-font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--s-text-secondary);
    font-size: var(--s-font-size-base);
}

/* =====================================================
   8. Image Placeholders
   ===================================================== */
.img-placeholder {
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--s-color-primary);
    font-size: var(--s-font-size-sm);
    font-weight: var(--s-font-weight-medium);
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: var(--s-radius-md);
}

.img-placeholder span {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-sm);
}

/* =====================================================
   9. Animations
   ===================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* Staggered Animation Delays */
.delay-100 {
    animation-delay: 100ms;
}

.delay-200 {
    animation-delay: 200ms;
}

.delay-300 {
    animation-delay: 300ms;
}

.delay-400 {
    animation-delay: 400ms;
}

.delay-500 {
    animation-delay: 500ms;
}

/* =====================================================
   Breadcrumb Component
   ===================================================== */
.breadcrumb {
    font-size: var(--s-font-size-sm);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: var(--s-text-muted);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--s-text-muted);
    opacity: 0.5;
}

.breadcrumb-item a {
    color: var(--s-text-secondary);
    text-decoration: none;
    transition: color var(--s-transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--s-color-primary);
}

.breadcrumb-item.active {
    color: var(--s-text-primary);
    font-weight: var(--s-font-weight-medium);
}

/* Light breadcrumb for dark backgrounds */
.breadcrumb-light .breadcrumb-item {
    color: var(--s-white-alpha-60);
}

.breadcrumb-light .breadcrumb-item:not(:last-child)::after {
    color: var(--s-white-alpha-40);
}

.breadcrumb-light .breadcrumb-item a {
    color: var(--s-white-alpha-80);
}

.breadcrumb-light .breadcrumb-item a:hover {
    color: var(--s-text-white);
}

.breadcrumb-light .breadcrumb-item.active {
    color: var(--s-text-white);
}

/* =====================================================
   Accordion Component
   ===================================================== */
.accordion {
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--s-border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--s-bg-white);
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
    font-size: var(--s-font-size-base);
    font-weight: 500;
    color: var(--s-text-primary);
    transition: background-color 0.3s ease;
}

.accordion-trigger:hover {
    background-color: var(--s-bg-light);
}

.accordion-trigger::after {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--s-color-primary);
    border-bottom: 2px solid var(--s-color-primary);
    transform: rotate(45deg);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.accordion-item.is-open .accordion-trigger::after {
    transform: rotate(-135deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--s-bg-light);
}

.accordion-content-inner {
    padding: 1.25rem 1.5rem;
    font-size: var(--s-font-size-sm);
    line-height: 1.7;
    color: var(--s-text-secondary);
}

/* =====================================================
   Tab Component
   ===================================================== */
.tabs {
    width: 100%;
}

.tab-list {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--s-border-color);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-trigger {
    flex-shrink: 0;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: var(--s-font-size-sm);
    font-weight: 500;
    color: var(--s-text-muted);
    transition: color 0.3s ease, border-color 0.3s ease;
    white-space: nowrap;
}

.tab-trigger:hover {
    color: var(--s-text-primary);
}

.tab-trigger.active {
    color: var(--s-color-primary);
    border-bottom-color: var(--s-color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Tab Variants - Pills */
.tabs.tabs-pills .tab-list {
    gap: 0.5rem;
    border-bottom: none;
    margin-bottom: 1.5rem;
}

.tabs.tabs-pills .tab-trigger {
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    border: none;
    background-color: var(--s-bg-light);
    margin-bottom: 0;
}

.tabs.tabs-pills .tab-trigger:hover {
    background-color: var(--s-border-color);
}

.tabs.tabs-pills .tab-trigger.active {
    background-color: var(--s-color-primary);
    color: var(--s-text-white);
}

/* Tab Variants - Boxed */
.tabs.tabs-boxed .tab-list {
    gap: 0;
    border: 1px solid var(--s-border-color);
    border-radius: var(--border-radius-md);
    padding: 4px;
    background-color: var(--s-bg-light);
    margin-bottom: 1.5rem;
}

.tabs.tabs-boxed .tab-trigger {
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-sm);
    border: none;
    margin-bottom: 0;
}

.tabs.tabs-boxed .tab-trigger.active {
    background-color: var(--s-bg-white);
    box-shadow: var(--s-shadow-sm);
}

/* Scroll Animation (requires JS) */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animation Variants */
[data-animate="fade"] {
    transform: none;
}

[data-animate="fade-up"] {
    transform: translateY(30px);
}

[data-animate="fade-down"] {
    transform: translateY(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="zoom-in"] {
    transform: scale(0.9);
}

[data-animate="zoom-out"] {
    transform: scale(1.1);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Animation Delays */
[data-animate-delay="100"] {
    transition-delay: 100ms;
}

[data-animate-delay="200"] {
    transition-delay: 200ms;
}

[data-animate-delay="300"] {
    transition-delay: 300ms;
}

[data-animate-delay="400"] {
    transition-delay: 400ms;
}

[data-animate-delay="500"] {
    transition-delay: 500ms;
}

[data-animate-delay="600"] {
    transition-delay: 600ms;
}

[data-animate-delay="700"] {
    transition-delay: 700ms;
}

[data-animate-delay="800"] {
    transition-delay: 800ms;
}

/* =====================================================
   10. Utility Classes
   ===================================================== */
/* Text Alignment */
.text-left {
    text-align: left;
}

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

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

/* Text Colors */
.text-primary {
    color: var(--s-color-primary);
}

.text-secondary {
    color: var(--s-text-secondary);
}

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

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

/* Background Colors */
.bg-white {
    background-color: var(--s-bg-white);
}

.bg-light {
    background-color: var(--s-bg-light);
}

.bg-section {
    background-color: var(--s-bg-section);
}

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

.bg-dark {
    background-color: var(--s-bg-dark);
}

/* Spacing Utilities */
.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mt-5 {
    margin-top: var(--spacing-2xl);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.mb-5 {
    margin-bottom: var(--spacing-2xl);
}

.py-1 {
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.py-2 {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.py-3 {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.py-4 {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.py-5 {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

/* Display */
.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

.d-grid {
    display: grid;
}

/* Flex Utilities */
.flex-column {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

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

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

.justify-end {
    justify-content: flex-end;
}

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

.align-start {
    align-items: flex-start;
}

.align-end {
    align-items: flex-end;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

.gap-4 {
    gap: var(--spacing-xl);
}

.img-100x100 {
    width: 100%;
    height: 100%;
}

.img-600-450 {
    .img-100x100,
    width: 600px;
    height: 450px;
    object-fit: cover;
}

.img-700-450 {
    width: 700px;
    height: 450px;
    object-fit: cover;
}

.img-300-400 {
    width: 300px;
    height: 400px;
    object-fit: cover;
}

.img-400-400 {
    width: 400px;
    height: 400px;
    object-fit: cover;
}

/* =====================================================
   11. Responsive Breakpoints
   ===================================================== */
/* Tablet */
@media (max-width: 1199px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
    }

    .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .img-600-450,
    .img-100x100,
    .img-700-450,
    .img-300-400,
    .img-400-400 {
        width: 100%;
        height: auto;
    }

}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.5rem;
        --font-size-xl: 1.25rem;
        --container-padding: var(--container-padding-mobile);
        --header-height: var(--header-height-mobile);
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }

    .container,
    .container-fluid {
        padding-left: var(--container-padding-mobile);
        padding-right: var(--container-padding-mobile);
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    h1 {
        font-size: var(--s-font-size-3xl);
    }

    h2 {
        font-size: var(--s-font-size-2xl);
    }

    h3 {
        font-size: var(--s-font-size-xl);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--s-font-size-base);
    }

    /* Mobile-only utilities */
    .d-mobile-none {
        display: none;
    }

    .d-mobile-block {
        display: block;
    }
}

/* Desktop-only utilities */
@media (min-width: 768px) {
    .d-desktop-none {
        display: none;
    }

    .d-desktop-block {
        display: block;
    }
}

/* =====================================================
   12. Print Styles
   ===================================================== */
@media print {

    header,
    footer,
    .no-print {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}