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

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.25rem;
    padding: var(--space-3) var(--space-8);
    color: var(--color-primary-dark);
    background-color: var(--color-white);
    border: 1px solid var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn-cta:hover {
    color: var(--color-white);
    background-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-cta:active {
    transform: translateY(0);
}

/* --------------------------------
   Hero secondary button
-------------------------------- */

.btn-about {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 3.25rem;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn-about-secondary {
    color: var(--color-white);
    background-color: transparent;
    border-color: var(--color-warm-beige);
}

.btn-about-secondary:hover,
.btn-about-secondary:focus-visible {
    color: var(--color-primary-dark);
    background-color: var(--color-white);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-about-secondary:active {
    transform: translateY(0);
}

/* --------------------------------
  hero links animation
-------------------------------- */

.about-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.about-hero__actions a {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-hero__actions a:first-child {
    transform: translateX(60px);
}

.about-hero__actions a:last-child {
    transform: translateX(-60px);
}

/* به‌جای .about-hero.is-active از .is-visible روی خود actions استفاده کن */
.about-hero__actions.is-visible a {
    opacity: 1;
    transform: translateX(0);
}

.about-hero__actions.is-visible a:last-child {
    transition-delay: 150ms;
}

@media (prefers-reduced-motion: reduce) {
    .about-hero__actions a {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ---- Responsive: وقتی ساختار می‌شکنه، دکمه‌ها تمام‌عرض بشن ---- */
@media (max-width: 991.98px) {
    .about-hero__actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .about-hero__actions a {
        width: 100%;
    }
}
/* --------------------------------
   1. Hero
   -------------------------------- */

.about-hero {
    background: var(--bg-gradient-green);
}

.about-hero__title {
    color: var(--color-white) !important;
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-4);
}

.about-hero__lead {
    margin-bottom: var(--space-8);
    max-width: 34rem;
    color: var(--color-warm-beige) !important;
}

.about-hero__figure {
    margin: 0;
}

.about-hero__image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

/* --------------------------------
   2. Doctor introduction
   -------------------------------- */

.about-intro__body {
    max-width: 48rem;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.about-intro__body p {
    margin: 0;
}

/* ================================
   Visual
   ================================ */

.about-intro__visual {
    position: relative;
    padding: var(--space-10);
    background-color: var(--color-surface-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* subtle decorative circle */

.about-intro__visual::before {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    top: -90px;
    left: -90px;
    border-radius: 50%;
    background-color: var(--color-primary-light);
    opacity: 0.7;
}

/* ================================
   Quote
   ================================ */

.about-intro__quote {
    position: relative;
    z-index: 1;
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.about-intro__quote-mark {
    display: block;
    font-family: Georgia, serif;
    font-size: 5rem;
    line-height: 0.7;
    color: var(--color-gold);
    margin-bottom: var(--space-4);
}

.about-intro__quote p {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-relaxed);
}

/* ================================
   Stats
   ================================ */

.about-intro__stats {
    display: flex;
    flex-direction: column;
    margin-top: var(--space-8);
}

.about-intro__stat {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-block: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.about-intro__stat:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.about-intro__stat strong {
    flex: 0 0 auto;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gold);
}

.about-intro__stat span {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

/* ================================
   Responsive
   ================================ */

@media (max-width: 991.98px) {
    .about-intro__visual {
        padding: var(--space-8);
    }
}

@media (max-width: 575.98px) {
    .about-intro__body {
        font-size: var(--font-size-md);
    }

    .about-intro__visual {
        padding: var(--space-6);
    }

    .about-intro__quote p {
        font-size: var(--font-size-lg);
    }
}

/* --------------------------------
   About Intro Animation
-------------------------------- */

.about-intro .section-heading,
.about-intro__body p,
.about-intro__quote,
.about-intro__stat {
    opacity: 0;
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Heading */

.about-intro .section-heading {
    transform: translateY(35px);
}

.about-intro .section-heading.intro-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Paragraphs */

.about-intro__body p {
    transform: translateY(25px);
}

.about-intro__body p.intro-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Quote */

.about-intro__quote {
    transform: translateX(40px) scale(0.96);
}

.about-intro__quote.intro-visible {
    opacity: 1;
    transform: translateX(0) scale(1);
}

/* Stats */

.about-intro__stat {
    transform: translateY(30px);
}

.about-intro__stat.intro-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------
   END Doctor introduction
   -------------------------------- */

/* --------------------------------
   3. Professional background — timeline
   -------------------------------- */

/* ================================
   Section
================================ */

.about-timeline {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-surface-light), var(--color-background));
}

/* ================================
   Decorative Background
================================ */

.timeline-decoration {
    position: absolute;
    top: 50%;
    left: -4rem;
    transform: translateY(-50%);
    font-size: clamp(8rem, 18vw, 18rem);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.08em;
    color: var(--color-primary);
    opacity: 0.035;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

/* ================================
   Heading
================================ */

.about-timeline .section-heading {
    max-width: 42rem;
    margin-inline: auto;
    text-align: center;
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-lead {
    max-width: 34rem;
    margin: var(--space-4) auto 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

/* ================================
   Timeline
================================ */

.timeline {
    list-style: none;
    max-width: 48rem;
    margin: var(--space-16) auto 0;
    padding: 0;
    position: relative;
}

/* ================================
   Timeline Line
================================ */

.timeline::before {
    content: "";
    position: absolute;
    top: 1rem;
    bottom: 1rem;
    right: 2.2rem;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 1400ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ================================
   Timeline Item
================================ */

.timeline__item {
    position: relative;
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-12);
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 650ms ease, transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline__item:last-child {
    padding-bottom: 0;
}

/* ================================
   Number
================================ */

.timeline__number {
    position: relative;
    z-index: 2;
    width: 4.5rem;
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    color: var(--color-primary-dark);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-sm);
    transform: scale(0.7);
    transition:
        transform 550ms cubic-bezier(0.34, 1.56, 0.64, 1),
        background-color var(--transition-normal),
        color var(--transition-normal),
        box-shadow var(--transition-normal);
}

/* Marker */

.timeline__marker {
    display: none;
}

/* ================================
   Content Card
================================ */

.timeline__content {
    position: relative;
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-normal),
        background-color var(--transition-normal);
}

/* ================================
   Content Card Hover
================================ */

.timeline__item:hover .timeline__content {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

/* ================================
   Number Hover
================================ */

.timeline__item:hover .timeline__number {
    color: var(--color-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 6px var(--color-primary-light);
}

/* ================================
   Period
================================ */

.timeline__period {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
}

/* ================================
   Title
================================ */

.timeline__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-3);
    line-height: var(--line-height-tight);
    transition: color var(--transition-normal);
}

/* ================================
   Description
================================ */

.timeline__desc {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
}

/* ================================
   Active Title
================================ */

.timeline__item:hover .timeline__title {
    color: var(--color-primary);
}

/* ================================
   Animation — Active
================================ */

.about-timeline.timeline-visible .section-heading {
    opacity: 1;
    transform: translateY(0);
}

.about-timeline.timeline-visible .timeline::before {
    transform: scaleY(1);
}

.about-timeline.timeline-visible .timeline__item {
    opacity: 1;
    transform: translateY(0);
}

.about-timeline.timeline-visible .timeline__number {
    transform: scale(1);
}

/* ================================
   Stagger — Items
================================ */

.about-timeline.timeline-visible .timeline__item:nth-child(1) {
    transition-delay: 250ms;
}

.about-timeline.timeline-visible .timeline__item:nth-child(2) {
    transition-delay: 450ms;
}

.about-timeline.timeline-visible .timeline__item:nth-child(3) {
    transition-delay: 650ms;
}

.about-timeline.timeline-visible .timeline__item:nth-child(4) {
    transition-delay: 850ms;
}

/* ================================
   Stagger — Numbers
================================ */

.about-timeline.timeline-visible .timeline__item:nth-child(1) .timeline__number {
    transition-delay: 350ms;
}

.about-timeline.timeline-visible .timeline__item:nth-child(2) .timeline__number {
    transition-delay: 550ms;
}

.about-timeline.timeline-visible .timeline__item:nth-child(3) .timeline__number {
    transition-delay: 750ms;
}

.about-timeline.timeline-visible .timeline__item:nth-child(4) .timeline__number {
    transition-delay: 950ms;
}

/* ================================
   Responsive — Tablet
================================ */

@media (max-width: 767.98px) {
    .timeline-decoration {
        font-size: 9rem;
        left: -3rem;
    }

    .timeline {
        margin-top: var(--space-12);
    }

    .timeline__item {
        grid-template-columns: 3.5rem 1fr;
        gap: var(--space-4);
        padding-bottom: var(--space-10);
    }

    .timeline__number {
        width: 3.5rem;
        height: 3.5rem;
        font-size: var(--font-size-md);
    }

    .timeline::before {
        right: 1.7rem;
    }

    .timeline__content {
        padding: var(--space-6);
    }

    .timeline__title {
        font-size: var(--font-size-lg);
    }
}

/* ================================
   Responsive — Mobile
================================ */

@media (max-width: 575.98px) {
    .timeline-decoration {
        top: 35%;
        left: -2rem;
        font-size: 7rem;
    }

    .timeline {
        margin-top: var(--space-10);
    }

    .timeline__item {
        display: block;
        padding-bottom: var(--space-8);
    }

    .timeline::before {
        display: none;
    }

    .timeline__number {
        width: 3.25rem;
        height: 3.25rem;
        margin-bottom: var(--space-4);
    }

    .timeline__content {
        padding: var(--space-5);
    }

    .timeline__period {
        margin-bottom: var(--space-3);
    }

    .timeline__title {
        font-size: var(--font-size-lg);
        line-height: var(--line-height-normal);
    }

    .timeline__desc {
        font-size: var(--font-size-sm);
    }
}

/* ================================
   Reduced Motion
================================ */

@media (prefers-reduced-motion: reduce) {
    .about-timeline .section-heading,
    .about-timeline .timeline::before,
    .about-timeline .timeline__item,
    .about-timeline .timeline__number {
        transition: none;
        transform: none;
        opacity: 1;
    }
}

/* --------------------------------
   END Professional background — timeline
   -------------------------------- */

/* --------------------------------
   4. Areas of expertise
   -------------------------------- */

.about-expertise {
    overflow: hidden;
}

/* ================================
   Header
   ================================ */

.expertise-header {
    margin-bottom: var(--space-10);
}

.expertise-header__label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.expertise-header__line {
    flex: 1;
    height: 1px;
    max-width: 4rem;
    background-color: var(--color-border);
}

.expertise-header__count {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    white-space: nowrap;
}

/* ================================
   Section Heading
   ================================ */

.section-heading h2 span {
    color: var(--color-primary-dark);
}

/* ================================
   Lead
   ================================ */

.expertise-lead {
    border-inline-start: 2px solid var(--color-primary);
    padding-inline-start: var(--space-5);
}

.expertise-lead__eyebrow {
    display: block;
    margin-bottom: var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.expertise-lead p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    line-height: var(--line-height-normal);
}

/* ================================
   Bento Grid
   ================================ */

.expertise-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(2, 9rem);
    gap: var(--space-4);
}

/* ================================
   Featured Position
   ================================ */

.expertise-item--featured {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
    background-color: var(--color-primary-light);
}

/* ================================
   Secondary Positions
   ================================ */

.expertise-item:nth-child(2) {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
}

.expertise-item:nth-child(3) {
    grid-column: 4 / 5;
    grid-row: 1 / 2;
}

.expertise-item:nth-child(4) {
    grid-column: 3 / 4;
    grid-row: 2 / 3;
}

.expertise-item:nth-child(5) {
    grid-column: 4 / 5;
    grid-row: 2 / 3;
}

/* ================================
   Box
   ================================ */

.expertise-item {
    --mouse-x: 50%;
    --mouse-y: 50%;
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    padding: var(--space-5);
    overflow: hidden;
    background-color: var(--color-surface-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition:
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        transform var(--transition-normal);
}

.expertise-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

/* ================================
   Mouse Glow
   ================================ */

.expertise-item::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.16), transparent 35%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.expertise-item:hover::before {
    opacity: 1;
}

/* ================================
   Number
   ================================ */

.expertise-item__number {
    position: absolute;
    top: var(--space-4);
    inset-inline-end: var(--space-4);
    z-index: 0;
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
    color: var(--color-text);
    opacity: 0.06;
    pointer-events: none;
    user-select: none;
}

.expertise-item--featured .expertise-item__number {
    top: var(--space-5);
    inset-inline-end: var(--space-5);
    font-size: 4rem;
}

.expertise-item:hover .expertise-item__number {
    opacity: 0.1;
}

/* ================================
   Main Content
   ================================ */

.expertise-item__main {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    min-height: 0;

    /*
         * رزرو فضا برای دکمه
         * تا متن هیچ‌وقت وارد محدوده action نشود
         */
    padding-bottom: 2rem;
}

/* ================================
   Featured Main Content
   ================================ */

.expertise-item--featured .expertise-item__main {
    padding-bottom: 2.5rem;
}

/* ================================
   Featured Label
   ================================ */

.expertise-item__meta {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    width: fit-content;
    margin-bottom: var(--space-5);
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

/* ================================
   Title
   ================================ */

.expertise-item h3 {
    margin: 0;
    max-width: 90%;
    color: var(--color-text);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    line-height: 1.5;
}

.expertise-item--featured h3 {
    max-width: 75%;
    font-size: var(--font-size-xl);
    line-height: 1.45;
}

/* ================================
   Description
   ================================ */

.expertise-item p {
    margin: var(--space-4) 0 0;
    max-width: 90%;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

/* ================================
   Secondary Description
   ================================ */

.expertise-item:not(.expertise-item--featured) p {
    margin-top: var(--space-5);
    max-width: 95%;
    -webkit-line-clamp: 2;
}

/* ================================
   Featured Description
   ================================ */

.expertise-item--featured p {
    margin-top: var(--space-4);
    max-width: 80%;
    -webkit-line-clamp: 3;
}

/* ================================
   Action
   ================================ */

.expertise-item__action {
    position: absolute;
    bottom: var(--space-5);
    inset-inline-start: var(--space-5);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    width: fit-content;
    gap: var(--space-1);
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    color: var(--color-primary-dark);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: color var(--transition-fast), gap var(--transition-fast);
}

.expertise-item__action:hover {
    color: var(--color-primary);
    gap: var(--space-2);
}

/* ================================
   Action Line
   ================================ */

.expertise-item__action::after {
    content: "";
    display: inline-block;
    width: 0.8rem;
    height: 1px;
    background-color: currentColor;
    transition: width var(--transition-fast);
}

.expertise-item__action:hover::after {
    width: 1.2rem;
}

/* ================================
   Featured Action
   ================================ */

.expertise-item--featured .expertise-item__action {
    bottom: var(--space-5);
    inset-inline-start: var(--space-5);
}

/* ================================
   Old Icon
   ================================ */

.expertise-item__icon {
    display: none;
}

/* ================================
   Tablet
   ================================ */

@media (max-width: 991.98px) {
    .expertise-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: repeat(3, 9rem);
    }

    /* Featured */

    .expertise-item--featured {
        grid-column: 1 / 3;
        grid-row: 1 / 2;
    }

    /* 02 */

    .expertise-item:nth-child(2) {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
    }

    /* 03 */

    .expertise-item:nth-child(3) {
        grid-column: 2 / 3;
        grid-row: 2 / 3;
    }

    /* 04 */

    .expertise-item:nth-child(4) {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
    }

    /* 05 */

    .expertise-item:nth-child(5) {
        grid-column: 2 / 3;
        grid-row: 3 / 4;
    }

    .expertise-item--featured h3 {
        max-width: 80%;
    }

    .expertise-item--featured p {
        max-width: 90%;
    }
}

/* ================================
   Mobile
   ================================ */

@media (max-width: 575.98px) {
    .expertise-header {
        margin-bottom: var(--space-8);
    }

    .expertise-list {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        gap: var(--space-3);
    }

    .expertise-item--featured,
    .expertise-item:nth-child(2),
    .expertise-item:nth-child(3),
    .expertise-item:nth-child(4),
    .expertise-item:nth-child(5) {
        grid-column: 1;
        grid-row: auto;
        min-height: 10rem;
    }

    .expertise-item--featured {
        min-height: 12rem;
    }

    .expertise-item {
        padding: var(--space-5);
    }

    /* Number */

    .expertise-item__number {
        top: var(--space-4);
        inset-inline-end: var(--space-4);
        font-size: 2.25rem;
    }

    .expertise-item--featured .expertise-item__number {
        font-size: 3.25rem;
    }

    /* Title */

    .expertise-item h3,
    .expertise-item--featured h3 {
        max-width: 80%;
    }

    .expertise-item--featured h3 {
        font-size: var(--font-size-lg);
    }

    /* Description */

    .expertise-item p,
    .expertise-item--featured p {
        max-width: 90%;
    }

    /* Action */

    .expertise-item__action,
    .expertise-item--featured .expertise-item__action {
        bottom: var(--space-5);
        inset-inline-start: var(--space-5);
    }
}

/* ================================
   Reduced Motion
   ================================ */

@media (prefers-reduced-motion: reduce) {
    .expertise-item,
    .expertise-item__number,
    .expertise-item__action,
    .expertise-item__action::after,
    .expertise-item::before {
        transition: none !important;
    }

    .expertise-item:hover {
        transform: none;
    }
}

/* --------------------------------
   END Areas of expertise
   -------------------------------- */

/* --------------------------------
   5. Treatment philosophy
   -------------------------------- */

/* --------------------------------
   5. Treatment Philosophy
   -------------------------------- */

.about-philosophy {
    overflow: hidden;
}

/* ================================
   Layout
   ================================ */

.philosophy-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--space-16);
    align-items: start;
}

/* ================================
   Intro
   ================================ */


/* ================================
   Intro Top
   ================================ */

.philosophy-intro__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.philosophy-intro__top .eyebrow {
    margin-bottom: 0;
}

.philosophy-intro__index {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
}

/* ================================
   Intro Title
   ================================ */

.philosophy-intro__title {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
    font-weight: var(--font-weight-semibold);
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.philosophy-intro__title span {
    color: var(--color-primary-dark);
}

/* ================================
   Signature
   ================================ */

.philosophy-signature {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-10);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.philosophy-signature__line {
    width: 2.5rem;
    height: 1px;
    background-color: var(--color-gold);
}

/* ================================
   Principles
   ================================ */

.philosophy-principles {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--color-border);
}

/* ================================
   Principle
   ================================ */

.philosophy-principle {
    position: relative;
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr) 2rem;
    align-items: center;
    gap: var(--space-5);
    min-height: 8.5rem;
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--color-border);
    transition:
        padding var(--transition-normal),
        background-color var(--transition-normal);
}

/* ================================
   Number
   ================================ */

.philosophy-principle__number {
    align-self: start;
    padding-top: 0.15rem;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    transition: color var(--transition-normal), transform var(--transition-normal);
}

/* ================================
   Content
   ================================ */

.philosophy-principle__content {
    min-width: 0;
}

.philosophy-principle__content h3 {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    transition: color var(--transition-normal);
}

.philosophy-principle__content p {
    max-width: 36rem;
    margin: var(--space-3) 0 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

/* ================================
   Arrow
   ================================ */

.philosophy-principle__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--color-text-muted);
    font-size: var(--font-size-md);
    opacity: 0.55;
    transform: translate(0, 0);
    transition:
        color var(--transition-normal),
        opacity var(--transition-normal),
        transform var(--transition-normal);
}

/* ================================
   Hover
   ================================ */

.philosophy-principle:hover {
    padding-inline-start: var(--space-3);
    padding-inline-end: var(--space-3);
    background-color: var(--color-surface-light);
}

.philosophy-principle:hover .philosophy-principle__number {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.philosophy-principle:hover .philosophy-principle__content h3 {
    color: var(--color-primary-dark);
}

.philosophy-principle:hover .philosophy-principle__arrow {
    color: var(--color-primary);
    opacity: 1;
    transform: translate(-4px, -4px);
}

/* ================================
   Active Principle
   ================================ */

.philosophy-principle--active {
    background-color: var(--color-primary-light);
    padding-inline-start: var(--space-5);
    padding-inline-end: var(--space-5);
}

.philosophy-principle--active .philosophy-principle__number {
    color: var(--color-primary-dark);
}

.philosophy-principle--active .philosophy-principle__arrow {
    color: var(--color-primary-dark);
    opacity: 1;
}

/* ================================
   Active Hover
   ================================ */

.philosophy-principle--active:hover {
    background-color: var(--color-primary-light);
    padding-inline-start: calc(var(--space-5) + var(--space-2));
    padding-inline-end: var(--space-5);
}

/* ================================
   Tablet
   ================================ */

@media (max-width: 991.98px) {
    .philosophy-layout {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .philosophy-intro {
   
        max-width: 42rem;
    }

    .philosophy-intro__title {
        font-size: var(--font-size-4xl);
    }

    .philosophy-intro__lead {
        max-width: 36rem;
    }

    .philosophy-principle {
        min-height: 8rem;
    }
}

/* ================================
   Mobile
   ================================ */

@media (max-width: 575.98px) {
    .philosophy-layout {
        gap: var(--space-8);
    }

    .philosophy-intro__top {
        margin-bottom: var(--space-5);
    }

    .philosophy-intro__title {
        font-size: var(--font-size-3xl);
        line-height: 1.4;
    }

    .philosophy-intro__lead {
        margin-top: var(--space-6);
        font-size: var(--font-size-md);
        line-height: var(--line-height-relaxed);
    }

    .philosophy-signature {
        margin-top: var(--space-8);
    }

    .philosophy-principle {
        grid-template-columns: 2rem minmax(0, 1fr) 1.5rem;
        gap: var(--space-3);
        min-height: 0;
        padding: var(--space-5) 0;
    }

    .philosophy-principle__content h3 {
        font-size: var(--font-size-md);
    }

    .philosophy-principle__content p {
        margin-top: var(--space-2);
        font-size: var(--font-size-sm);

        /*
                 * توضیحات حداکثر ۲ خط
                 */
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
    }

    .philosophy-principle__arrow {
        width: 1.5rem;
        height: 1.5rem;
        font-size: var(--font-size-sm);
    }

    .philosophy-principle:hover {
        padding-inline-start: var(--space-2);
        padding-inline-end: var(--space-2);
    }

    .philosophy-principle--active {
        padding-inline-start: var(--space-4);
        padding-inline-end: var(--space-4);
    }

    .philosophy-principle--active:hover {
        padding-inline-start: calc(var(--space-4) + var(--space-1));
        padding-inline-end: var(--space-4);
    }
}

/* ================================
   Reduced Motion
   ================================ */

@media (prefers-reduced-motion: reduce) {
    .philosophy-principle,
    .philosophy-principle__number,
    .philosophy-principle__content h3,
    .philosophy-principle__arrow {
        transition: none !important;
    }

    .philosophy-principle:hover {
        padding-inline-start: 0;
        padding-inline-end: 0;
    }

    .philosophy-principle--active:hover {
        padding-inline-start: var(--space-5);
        padding-inline-end: var(--space-5);
    }

    .philosophy-principle:hover .philosophy-principle__arrow {
        transform: none;
    }

    .philosophy-principle:hover .philosophy-principle__number {
        transform: none;
    }
}

/* ================================
   Philosophy Lead
   ================================ */

.philosophy-intro__lead {
    position: relative;
    max-width: 32rem;
    margin: var(--space-8) 0 0;
    padding-inline-start: var(--space-5);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-relaxed);
}

/* ظریف‌تر کردن شروع متن */

.philosophy-intro__lead::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.55rem;
    width: 2px;
    height: calc(100% - 1.1rem);
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    opacity: 0.65;
}

/* ================================
   JS Reveal
   ================================ */

.philosophy-js-ready .philosophy-intro,
.philosophy-js-ready .philosophy-principle {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms ease, transform 600ms ease;
}

/* Intro */

.philosophy-js-ready .philosophy-intro.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Principles */

.philosophy-js-ready .philosophy-principle.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition-delay: var(--reveal-delay);
}

/* ================================
   Elegant Hover Accent
   ================================ */

.philosophy-principle::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 50%;
    width: 2px;
    height: 0;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transform: translateY(-50%);
    transition: height var(--transition-normal);
}

.philosophy-principle.is-hovered::before {
    height: 55%;
}

/* Active */

.philosophy-principle--active::before {
    height: 65%;
}

/* ================================
   Keyboard Focus
   ================================ */

.philosophy-principle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

/* ================================
   Reduced Motion
   ================================ */

@media (prefers-reduced-motion: reduce) {
    .philosophy-js-ready .philosophy-intro,
    .philosophy-js-ready .philosophy-principle {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .philosophy-principle::before {
        transition: none;
    }
}

/* --------------------------------
   END Treatment Philosophy
   -------------------------------- */

/* --------------------------------
   6. Credentials
   -------------------------------- */

.credentials-category {
    height: 100%;
    padding: var(--space-8);
    background-color: var(--color-surface-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.credentials-category__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.credentials-category__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    color: var(--color-text-secondary);
}

.credentials-category__list li {
    padding-inline-start: var(--space-5);
    position: relative;
}

.credentials-category__list li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.6em;
    width: var(--space-2);
    height: 1px;
    background-color: var(--color-gold);
}

/* --------------------------------
   7. What patients can expect
   -------------------------------- */

.expect-steps {
    list-style: none;
    margin: var(--space-10) 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.expect-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.expect-step:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.expect-step__number {
    flex-shrink: 0;
    width: var(--space-12);
    height: var(--space-12);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: var(--font-weight-semibold);
}

.expect-step__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.expect-step__desc {
    color: var(--color-text-secondary);
    margin: 0;
}

.expect-note {
    margin-top: var(--space-8);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* --------------------------------
   CONSULTATION CTA
   -------------------------------- */

.cta-section {
    background: var(--bg-gradient-green) !important;
}

.cta-content {
    position: relative;
    padding: clamp(2.5rem, 6vw, 5rem);
    overflow: hidden;
}

.cta-content::before,
.cta-content::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.cta-content::before {
    top: -12rem;
    right: -10rem;
    width: 25rem;
    height: 25rem;
}

.cta-content::after {
    bottom: -14rem;
    left: -8rem;
    width: 22rem;
    height: 22rem;
}

.cta-content > * {
    position: relative;
    z-index: 1;
}

.cta-content .eyebrow {
    color: var(--color-gold);
}

.cta-title {
    margin-bottom: var(--space-5);
    color: var(--color-white);
    font-size: clamp(2rem, 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

.cta-text {
    max-width: 44rem;
    margin: 0 auto var(--space-8);
    color: rgba(255, 255, 255, 0.82);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.btn-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.25rem;
    padding: var(--space-3) var(--space-8);
    color: var(--color-primary-dark);
    background-color: var(--color-white);
    border: 1px solid var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn-brand:hover {
    color: var(--color-white);
    background-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-brand:active {
    transform: translateY(0);
}

.cta-section .btn-brand {
    opacity: 0;
    transform: translateY(60px);
    transition:
        opacity 1s cubic-bezier(0.22, 1, 0.36, 1),
        transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.cta-section .btn-brand.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------
   END CONSULTATION CTA
   -------------------------------- */

#main-content {
    position: relative;
    height: 100vh;
        height: 100dvh;
    overflow: hidden;
}

#main-content > section,
#main-content > footer {
    overscroll-behavior-y: contain;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateY(100%);
    z-index: 1;
    transition: transform 900ms cubic-bezier(0.65, 0, 0.35, 1);
    will-change: transform;

}

/* محتوای داخلی رو برگردون به راست‌چین */

#main-content > section > .container {
    direction: rtl;
}

#main-content > section.is-active,
#main-content > footer.is-active {
    transform: translateY(0);
    z-index: 3;
}
#main-content > section.no-transition,
#main-content > footer.no-transition {
    transition: none !important;
}

/* برای مخفی کردن اسکرول‌بار در کل صفحه */
html {
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE و Edge قدیمی */

}

html::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Edge جدید */
}

html, body {
    height: 100%;
    overflow: hidden; 
    overscroll-behavior-y: none;
}





/* مهار اسکرول افقی ناشی از انیمیشن دکمه‌های Hero */
.about-hero {
    overflow-x: clip;
}

.about-hero .container {
    overflow-x: clip;
}

.about-hero__actions {
    overflow-x: clip;
    padding-inline: 4px; /* جلوگیری از کات شدن سایه یا لبه دکمه‌ها در حین انیمیشن */
}



















































/* تنظیم ارتفاع کانتینر اسلایدها با کسر ارتفاع هدر */
#main-content {
    height: calc(100vh - 80px);
    height: calc(100dvh - 80px);
}

/* اصلاح چیدمان فوتر برای نمایش کامل کپی‌رایت در یک اسلاید */
#main-content > footer.site-footer {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#main-content > footer.site-footer .footer-main {
    flex: 1 1 auto;
    padding-block: var(--space-8);
    display: flex;
    align-items: center;
}

#main-content > footer.site-footer .footer-bottom {
    margin-top: auto;
    flex-shrink: 0;
}