/* BU Care — Premium Home 2026 */

:root {
    --bu-cream: #FAF7F2;
    --bu-ivory: #F5F0E8;
    --bu-blush: #F3E8EE;
    --bu-lavender: #C4A8D8;
    --bu-purple: #8B6BA8;
    --bu-purple-deep: #5C4570;
    --bu-gold: #C9A96E;
    --bu-gold-light: #E8D4A8;
    --bu-charcoal: #1C1A1F;
    --bu-muted: #6B6570;
    --bu-white: #FFFFFF;
    --bu-glass: rgba(255, 255, 255, 0.72);
    --bu-glass-dark: rgba(28, 26, 31, 0.55);
    --bu-shadow: 0 24px 80px rgba(92, 69, 112, 0.12);
    --bu-shadow-sm: 0 8px 32px rgba(92, 69, 112, 0.08);
    --bu-radius: 1.25rem;
    --bu-radius-lg: 2rem;
    --bu-radius-xl: 3rem;
    --bu-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --bu-section: clamp(5rem, 10vw, 8rem);
    --bu-container: min(92vw, 1400px);
    --bu-font: 'Iranyekan', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body.bu-home {
    font-family: var(--bu-font);
    background: var(--bu-cream);
    color: var(--bu-charcoal);
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.bu-home h1, body.bu-home h2, body.bu-home h3,
body.bu-home h4, body.bu-home h5, body.bu-home h6 {
    font-family: var(--bu-font);
    font-weight: 700;
    line-height: 1.15;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.35s var(--bu-ease); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }

.bu-container {
    width: var(--bu-container);
    margin-inline: auto;
    padding-inline: clamp(1rem, 3vw, 2rem);
}

.bu-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--bu-purple);
    margin-bottom: 1.25rem;
}

.bu-eyebrow::before {
    content: '';
    width: 2.5rem;
    height: 1px;
    background: linear-gradient(90deg, var(--bu-lavender), transparent);
}

.bu-display {
    font-size: clamp(2.75rem, 6vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.bu-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.bu-lead {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--bu-muted);
    max-width: 42ch;
}

.bu-text-justify { text-align: justify; }

/* Preloader */
.bu-preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bu-cream);
    transition: opacity 0.8s var(--bu-ease), visibility 0.8s;
}

.bu-preloader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.bu-preloader__ring {
    width: 3.5rem;
    height: 3.5rem;
    border: 2px solid var(--bu-blush);
    border-top-color: var(--bu-purple);
    border-radius: 50%;
    animation: bu-spin 0.9s linear infinite;
}

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

/* Cursor glow */
.bu-cursor-glow {
    position: fixed;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(196, 168, 216, 0.18) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.4s;
    opacity: 0;
}

body.bu-home.is-ready .bu-cursor-glow { opacity: 1; }

@media (max-width: 991px) { .bu-cursor-glow { display: none; } }

/* Navigation */
.bu-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: padding 0.4s var(--bu-ease), background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

.bu-nav.is-scrolled {
    padding: 0.6rem 0;
    background: var(--bu-glass);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    box-shadow: var(--bu-shadow-sm);
}

.bu-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.bu-nav__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1002;
}

.bu-nav__logo {
    width: 2.75rem;
    height: 2.75rem;
    object-fit: contain;
}

.bu-nav__wordmark {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    background: linear-gradient(135deg, var(--bu-purple-deep), var(--bu-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bu-nav__links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.bu-nav__links a {
    padding: 0.6rem 1.1rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--bu-charcoal);
    border-radius: 2rem;
    transition: background 0.3s, color 0.3s;
}

.bu-nav__links a:hover,
.bu-nav__links a.is-active {
    background: rgba(139, 107, 168, 0.1);
    color: var(--bu-purple-deep);
}

.bu-nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bu-charcoal);
    color: var(--bu-white) !important;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    transition: transform 0.35s var(--bu-ease), box-shadow 0.35s, background 0.35s;
}

.bu-nav__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(28, 26, 31, 0.25);
    background: var(--bu-purple-deep);
}

.bu-nav__toggle {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    z-index: 1002;
}

.bu-nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--bu-charcoal);
    border-radius: 2px;
    transition: transform 0.35s, opacity 0.35s;
}

.bu-nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.bu-nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.bu-nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.bu-nav__drawer {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: rgba(28, 26, 31, 0.6);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s var(--bu-ease), visibility 0.35s;
}

.bu-nav__drawer.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.bu-nav__panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(88vw, 320px);
    height: 100%;
    height: 100dvh;
    background: var(--bu-white);
    padding: 5.5rem 1.75rem 2rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translate3d(100%, 0, 0);
    transition: transform 0.4s var(--bu-ease);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.15);
    z-index: 1101;
}

.bu-nav__drawer.is-open .bu-nav__panel {
    transform: translate3d(0, 0, 0);
}

body.bu-drawer-open .bu-nav {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
}

body.bu-drawer-open .bu-nav__toggle {
    position: relative;
    z-index: 1102;
}

.bu-nav__panel ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.bu-nav__panel li { border-bottom: 1px solid var(--bu-blush); }

.bu-nav__panel a {
    display: block;
    padding: 1rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.bu-nav__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--bu-muted);
}

@media (max-width: 991px) {
    .bu-nav__inner {
        flex-direction: row-reverse;
    }

    .bu-nav__links, .bu-nav__cta-wrap { display: none; }
    .bu-nav__toggle { display: flex; }
    .bu-nav__drawer { display: block; }
}

/* Hero */
.bu-hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    overflow: hidden;
}

.bu-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.bu-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    transition: transform 8s var(--bu-ease);
}

.bu-hero.is-active .bu-hero__bg img { transform: scale(1); }

.bu-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(250, 247, 242, 0.97) 0%,
        rgba(250, 247, 242, 0.88) 45%,
        rgba(250, 247, 242, 0.35) 100%
    );
}

.bu-hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    animation: bu-float 8s ease-in-out infinite;
}

.bu-hero__orb--1 {
    width: 380px;
    height: 380px;
    background: rgba(196, 168, 216, 0.35);
    top: 10%;
    left: 5%;
}

.bu-hero__orb--2 {
    width: 280px;
    height: 280px;
    background: rgba(201, 169, 110, 0.25);
    bottom: 15%;
    right: 10%;
    animation-delay: -3s;
}

@keyframes bu-float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-24px) scale(1.05); }
}

.bu-hero__grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    padding-block: clamp(3rem, 8vw, 6rem);
}

.bu-hero__content { max-width: 36rem; }

.bu-hero__title {
    margin-bottom: 1.5rem;
}

.bu-hero__title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--bu-purple), var(--bu-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bu-hero__desc {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    color: var(--bu-muted);
    margin-bottom: 2.5rem;
    text-align: justify;
}

.bu-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.bu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 2rem;
    transition: all 0.4s var(--bu-ease);
}

.bu-btn--primary {
    background: var(--bu-charcoal);
    color: var(--bu-white);
}

.bu-btn--primary:hover {
    background: var(--bu-purple-deep);
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(92, 69, 112, 0.3);
    color: var(--bu-white);
}

.bu-btn--ghost {
    background: var(--bu-glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(139, 107, 168, 0.2);
    color: var(--bu-charcoal);
}

.bu-btn--ghost:hover {
    border-color: var(--bu-purple);
    background: var(--bu-white);
}

.bu-hero__stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.bu-hero__stat strong {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--bu-purple-deep);
    line-height: 1;
}

.bu-hero__stat span {
    font-size: 0.85rem;
    color: var(--bu-muted);
}

.bu-hero__visual {
    position: relative;
}

.bu-hero__frame {
    position: relative;
    border-radius: var(--bu-radius-xl);
    overflow: hidden;
    box-shadow: var(--bu-shadow);
    aspect-ratio: 4/5;
}

.bu-hero__frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.bu-hero__badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    background: var(--bu-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--bu-radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--bu-shadow-sm);
    max-width: 220px;
    animation: bu-float 6s ease-in-out infinite;
}

.bu-hero__badge strong {
    display: block;
    font-size: 0.85rem;
    color: var(--bu-gold);
    margin-bottom: 0.25rem;
}

.bu-hero__slides {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 3;
}

.bu-hero__dot {
    width: 2.5rem;
    height: 3px;
    background: rgba(139, 107, 168, 0.25);
    border-radius: 2px;
    transition: background 0.4s, width 0.4s;
}

.bu-hero__dot.is-active {
    width: 3.5rem;
    background: var(--bu-purple);
}

.bu-hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--bu-muted);
    letter-spacing: 0.1em;
}

.bu-hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--bu-purple), transparent);
    animation: bu-scroll-pulse 2s ease-in-out infinite;
}

@keyframes bu-scroll-pulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

@media (max-width: 991px) {
    .bu-hero__grid { grid-template-columns: 1fr; }
    .bu-hero__visual { order: -1; max-width: 420px; margin-inline: auto; }
    .bu-hero__badge { right: 0; bottom: -1rem; }
    .bu-hero__scroll { display: none; }
}

/* Marquee */
.bu-marquee {
    padding: 1.25rem 0;
    background: var(--bu-charcoal);
    overflow: hidden;
    direction: ltr;
}

.bu-marquee__track {
    display: flex;
    width: max-content;
    will-change: transform;
    animation: bu-marquee 28s linear infinite;
}

.bu-marquee__track:hover { animation-play-state: paused; }

.bu-marquee__group {
    display: flex;
    flex-shrink: 0;
    align-items: center;
}

.bu-marquee__item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-inline: 2rem;
    white-space: nowrap;
    flex-shrink: 0;
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
    font-weight: 500;
}

.bu-marquee__item i { color: var(--bu-gold); }

@keyframes bu-marquee {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(-50%, 0, 0); }
}

/* Section common */
.bu-section {
    padding-block: var(--bu-section);
    position: relative;
}

.bu-section--ivory { background: var(--bu-ivory); }
.bu-section--blush { background: var(--bu-blush); }
.bu-section--dark {
    background: var(--bu-charcoal);
    color: var(--bu-white);
}

.bu-section__header {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

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

.bu-section__header--center .bu-lead { margin-inline: auto; }
.bu-section__header--center .bu-eyebrow::before { display: none; }
.bu-section__header--center .bu-eyebrow { justify-content: center; }

/* Divider */
.bu-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--bu-lavender), transparent);
    margin-block: 0;
}

.bu-divider--wave {
    height: auto;
    background: none;
    line-height: 0;
    margin: 0;
}

.bu-divider--wave svg { width: 100%; height: auto; display: block; }

/* Product lines */
.bu-lines {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.bu-line-card {
    position: relative;
    padding: 2rem 1.5rem;
    border-radius: var(--bu-radius-lg);
    background: var(--bu-white);
    border: 1px solid rgba(139, 107, 168, 0.08);
    text-align: center;
    overflow: hidden;
    transition: transform 0.45s var(--bu-ease), box-shadow 0.45s;
}

.bu-line-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(196, 168, 216, 0.12));
    opacity: 0;
    transition: opacity 0.45s;
}

.bu-line-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--bu-shadow);
}

.bu-line-card:hover::before { opacity: 1; }

.bu-line-card__icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bu-blush);
    color: var(--bu-purple);
    font-size: 1.25rem;
}

.bu-line-card--gold .bu-line-card__icon {
    background: linear-gradient(135deg, var(--bu-gold-light), var(--bu-gold));
    color: var(--bu-white);
}

.bu-line-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.bu-line-card p {
    font-size: 0.85rem;
    color: var(--bu-muted);
    margin: 0;
}

@media (max-width: 991px) {
    .bu-lines { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .bu-lines { grid-template-columns: 1fr; }
}

/* Products grid */
.bu-products {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.bu-product {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 2rem;
    background: var(--bu-white);
    border-radius: var(--bu-radius-lg);
    border: 1px solid rgba(139, 107, 168, 0.06);
    overflow: hidden;
    transition: transform 0.5s var(--bu-ease), box-shadow 0.5s;
}

.bu-product::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(to bottom, var(--bu-purple), var(--bu-gold));
    transition: height 0.5s var(--bu-ease);
}

.bu-product:hover {
    transform: translateY(-6px);
    box-shadow: var(--bu-shadow);
}

.bu-product:hover::after { height: 100%; }

.bu-product__tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bu-purple);
    margin-bottom: 0.75rem;
}

.bu-product h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.bu-product p {
    font-size: 0.92rem;
    color: var(--bu-muted);
    text-align: justify;
    margin-bottom: 1.25rem;
}

.bu-product__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bu-purple-deep);
}

.bu-product__link i { transition: transform 0.3s; }
.bu-product:hover .bu-product__link i { transform: translateX(-4px); }

.bu-product__img {
    width: 120px;
    flex-shrink: 0;
    transition: transform 0.5s var(--bu-ease);
}

.bu-product:hover .bu-product__img { transform: scale(1.08) rotate(-3deg); }

@media (max-width: 767px) {
    .bu-products { grid-template-columns: 1fr; }
    .bu-product { grid-template-columns: 1fr; text-align: center; }
    .bu-product__img { margin: 0 auto; width: 100px; }
    .bu-product p { text-align: center; }
}

/* Spotlight */
.bu-spotlight {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.bu-spotlight__visual {
    position: relative;
}

.bu-spotlight__main {
    border-radius: var(--bu-radius-xl);
    overflow: hidden;
    box-shadow: var(--bu-shadow);
}

.bu-spotlight__float {
    position: absolute;
    top: -2rem;
    left: -2rem;
    width: 45%;
    border-radius: var(--bu-radius);
    overflow: hidden;
    border: 4px solid var(--bu-cream);
    box-shadow: var(--bu-shadow-sm);
    animation: bu-float 7s ease-in-out infinite;
}

.bu-spotlight__content .bu-lead { margin-bottom: 2rem; }

.bu-spotlight__features {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.bu-spotlight__feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.bu-spotlight__feature i {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bu-gold-light), var(--bu-gold));
    color: var(--bu-white);
    flex-shrink: 0;
}

@media (max-width: 991px) {
    .bu-spotlight { grid-template-columns: 1fr; }
    .bu-spotlight__float { left: auto; right: -1rem; top: -1rem; }
}

/* About */
.bu-about {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

.bu-about__gallery {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 0.7fr;
    gap: 1rem;
}

.bu-about__img {
    border-radius: var(--bu-radius-lg);
    overflow: hidden;
    box-shadow: var(--bu-shadow-sm);
}

.bu-about__img--offset {
    margin-top: 3rem;
    border: 4px solid var(--bu-cream);
}

.bu-about__accent {
    position: absolute;
    bottom: -1.5rem;
    right: 2rem;
    background: var(--bu-purple-deep);
    color: var(--bu-white);
    padding: 1.25rem 1.75rem;
    border-radius: var(--bu-radius);
    font-size: 0.9rem;
    max-width: 200px;
    box-shadow: var(--bu-shadow);
}

.bu-about__pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
}

.bu-pillar {
    padding: 1.5rem;
    background: var(--bu-white);
    border-radius: var(--bu-radius);
    border: 1px solid rgba(139, 107, 168, 0.08);
    transition: transform 0.4s var(--bu-ease);
}

.bu-pillar:hover { transform: translateY(-4px); }

.bu-pillar i {
    font-size: 1.5rem;
    color: var(--bu-purple);
    margin-bottom: 0.75rem;
}

.bu-pillar h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.bu-pillar p { font-size: 0.88rem; color: var(--bu-muted); margin: 0; text-align: justify; }

@media (max-width: 991px) {
    .bu-about { grid-template-columns: 1fr; }
    .bu-about__pillars { grid-template-columns: 1fr; }
}

/* Before / After */
.bu-ba {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.bu-ba__compare {
    position: relative;
    border-radius: var(--bu-radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--bu-shadow);
    cursor: ew-resize;
    user-select: none;
}

.bu-ba__img {
    position: absolute;
    inset: 0;
}

.bu-ba__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bu-ba__after {
    clip-path: inset(0 0 0 50%);
}

.bu-ba__handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: var(--bu-white);
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.bu-ba__handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bu-white);
    box-shadow: var(--bu-shadow-sm);
    border: 2px solid var(--bu-purple);
}

.bu-ba__labels {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 3;
    pointer-events: none;
}

.bu-ba__labels span {
    background: var(--bu-glass-dark);
    backdrop-filter: blur(8px);
    color: var(--bu-white);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.bu-ba__list {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
}

.bu-ba__list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(139, 107, 168, 0.12);
    font-size: 0.95rem;
}

.bu-ba__list li i { color: var(--bu-gold); }

@media (max-width: 991px) {
    .bu-ba { grid-template-columns: 1fr; }
}

/* Stats */
.bu-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.bu-stat {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--bu-glass);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: var(--bu-radius-lg);
    text-align: center;
    overflow: hidden;
}

.bu-section--dark .bu-stat {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
}

.bu-stat__num {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--bu-lavender), var(--bu-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bu-section--dark .bu-stat__num {
    background: linear-gradient(135deg, var(--bu-white), var(--bu-gold-light));
    -webkit-background-clip: text;
    background-clip: text;
}

.bu-stat__label {
    margin-top: 0.75rem;
    font-size: 0.95rem;
    color: var(--bu-muted);
}

.bu-section--dark .bu-stat__label { color: rgba(255,255,255,0.7); }

@media (max-width: 767px) {
    .bu-stats { grid-template-columns: 1fr; }
}

/* Pricing */
.bu-pricing {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.bu-price-card {
    background: var(--bu-white);
    border-radius: var(--bu-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(139, 107, 168, 0.08);
    transition: transform 0.45s var(--bu-ease), box-shadow 0.45s;
}

.bu-price-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--bu-shadow);
}

.bu-price-card--featured {
    border-color: var(--bu-gold);
    position: relative;
}

.bu-price-card--featured::before {
    content: 'پرفروش';
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: linear-gradient(135deg, var(--bu-gold), var(--bu-gold-light));
    color: var(--bu-charcoal);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    z-index: 1;
}

.bu-price-card__head {
    padding: 1.75rem 1.5rem 1.25rem;
    background: linear-gradient(180deg, var(--bu-blush), var(--bu-white));
    text-align: center;
}

.bu-price-card--featured .bu-price-card__head {
    background: linear-gradient(180deg, rgba(201, 169, 110, 0.15), var(--bu-white));
}

.bu-price-card__head h3 {
    font-size: 1rem;
    color: var(--bu-purple-deep);
}

.bu-price-card__body { padding: 1.25rem 1.5rem 1.75rem; }

.bu-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px dashed rgba(139, 107, 168, 0.15);
    font-size: 0.9rem;
}

.bu-price-row:last-child { border-bottom: none; }

.bu-price-row strong {
    font-weight: 700;
    color: var(--bu-charcoal);
}

@media (max-width: 1199px) {
    .bu-pricing { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
    .bu-pricing { grid-template-columns: 1fr; }
}

/* Testimonials */
.bu-testimonials {
    position: relative;
    overflow: hidden;
}

.bu-testimonials::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../img/bg2.png') center/cover no-repeat;
    opacity: 0.15;
}

.bu-testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.bu-testimonial {
    background: var(--bu-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--bu-radius-lg);
    padding: 2rem;
    transition: transform 0.45s var(--bu-ease);
}

.bu-testimonial:hover { transform: translateY(-6px); }

.bu-testimonial__stars {
    color: var(--bu-gold);
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
}

.bu-testimonial__text {
    font-size: 0.95rem;
    line-height: 1.85;
    color: rgba(255,255,255,0.9);
    text-align: justify;
    margin-bottom: 1.5rem;
}

.bu-testimonial__author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bu-testimonial__avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--bu-gold);
}

.bu-testimonial__name {
    font-weight: 700;
    color: var(--bu-white);
}

@media (max-width: 991px) {
    .bu-testimonials__grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
}

/* FAQ */
.bu-faq { max-width: 800px; margin-inline: auto; }

.bu-faq__item {
    border-bottom: 1px solid rgba(139, 107, 168, 0.12);
}

.bu-faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0;
    font-size: 1.05rem;
    font-weight: 600;
    text-align: right;
    color: var(--bu-charcoal);
    transition: color 0.3s;
}

.bu-faq__question:hover { color: var(--bu-purple); }

.bu-faq__icon {
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bu-blush);
    color: var(--bu-purple);
    transition: transform 0.4s var(--bu-ease), background 0.3s;
}

.bu-faq__item.is-open .bu-faq__icon {
    transform: rotate(45deg);
    background: var(--bu-purple);
    color: var(--bu-white);
}

.bu-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--bu-ease), padding 0.5s;
}

.bu-faq__item.is-open .bu-faq__answer {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.bu-faq__answer p {
    color: var(--bu-muted);
    font-size: 0.95rem;
    text-align: justify;
    margin: 0;
}

/* CTA */
.bu-cta {
    position: relative;
    border-radius: var(--bu-radius-xl);
    overflow: hidden;
    padding: clamp(3rem, 6vw, 5rem);
    text-align: center;
    background: linear-gradient(135deg, var(--bu-purple-deep), var(--bu-purple));
    color: var(--bu-white);
}

.bu-cta__orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.bu-cta__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.bu-cta__orb--1 { width: 300px; height: 300px; background: var(--bu-gold); top: -50px; right: 10%; }
.bu-cta__orb--2 { width: 200px; height: 200px; background: var(--bu-lavender); bottom: -30px; left: 15%; }

.bu-cta__content { position: relative; z-index: 1; }

.bu-cta h2 { margin-bottom: 1rem; }

.bu-cta p {
    max-width: 50ch;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.bu-cta .bu-btn--primary {
    background: var(--bu-white);
    color: var(--bu-purple-deep) !important;
}

.bu-cta .bu-btn--primary:hover {
    background: var(--bu-gold-light);
    color: var(--bu-charcoal) !important;
}

/* Contact */
.bu-contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.bu-contact-card {
    padding: 1.75rem;
    background: var(--bu-white);
    border-radius: var(--bu-radius);
    border: 1px solid rgba(139, 107, 168, 0.08);
    transition: transform 0.4s, box-shadow 0.4s;
}

.bu-contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bu-shadow-sm);
}

.bu-contact-card i {
    font-size: 1.5rem;
    color: var(--bu-purple);
    margin-bottom: 1rem;
}

.bu-contact-card h4 { font-size: 0.95rem; margin-bottom: 0.35rem; }
.bu-contact-card p { margin: 0; font-weight: 600; font-size: 0.95rem; color: var(--bu-muted); }

.bu-social-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem 2.5rem;
    background: var(--bu-charcoal);
    border-radius: var(--bu-radius-lg);
    color: var(--bu-white);
}

.bu-social-bar h4 { margin: 0; font-size: 1.1rem; }

.bu-social-links {
    display: flex;
    gap: 0.75rem;
}

.bu-social-links a {
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: var(--bu-white);
    transition: background 0.3s, transform 0.3s;
}

.bu-social-links a:hover {
    background: var(--bu-purple);
    transform: translateY(-3px);
}

.bu-info-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem 3rem;
    margin-bottom: 2.5rem;
    font-size: 0.9rem;
    color: var(--bu-muted);
}

.bu-info-strip a:hover { color: var(--bu-purple); }
.bu-info-strip i { color: var(--bu-purple); margin-left: 0.5rem; }

@media (max-width: 991px) {
    .bu-contact-grid { grid-template-columns: repeat(2, 1fr); }
    .bu-social-bar { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .bu-contact-grid { grid-template-columns: 1fr; }
}

/* Footer */
.bu-footer {
    background: var(--bu-charcoal);
    color: rgba(255,255,255,0.75);
    padding-top: var(--bu-section);
}

.bu-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.bu-footer h4 {
    color: var(--bu-white);
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
}

.bu-footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
}

.bu-footer__links a {
    font-size: 0.9rem;
    padding: 0.35rem 0;
    transition: color 0.3s, padding-right 0.3s;
}

.bu-footer__links a:hover {
    color: var(--bu-gold-light);
    padding-right: 0.5rem;
}

.bu-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem 0;
    font-size: 0.85rem;
}

.bu-footer__bottom a { color: var(--bu-gold-light); }

@media (max-width: 767px) {
    .bu-footer__grid { grid-template-columns: 1fr; }
    .bu-footer__bottom { flex-direction: column; text-align: center; }
}

/* Back to top */
.bu-back-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bu-charcoal);
    color: var(--bu-white);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s var(--bu-ease);
    box-shadow: var(--bu-shadow-sm);
}

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

.bu-back-top:hover {
    background: var(--bu-purple);
    color: var(--bu-white);
    transform: translateY(-4px);
}

/* Decorative SVG bg */
.bu-deco-bg {
    position: absolute;
    pointer-events: none;
    opacity: 0.06;
}

/* AOS overrides */
[data-aos] { pointer-events: auto; }

/* Product detail pages */
.bu-page-hero {
    position: relative;
    padding: calc(6rem + 2vw) 0 3rem;
    background: linear-gradient(135deg, var(--bu-charcoal) 0%, #2a2433 50%, var(--bu-purple-deep) 100%);
    overflow: hidden;
}

.bu-page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(196, 168, 216, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 106, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.bu-page-hero .bu-container {
    position: relative;
    text-align: center;
}

.bu-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.bu-breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s;
}

.bu-breadcrumb a:hover { color: var(--bu-gold-light); }

.bu-breadcrumb span {
    color: rgba(255, 255, 255, 0.4);
}

.bu-breadcrumb [aria-current="page"] {
    color: var(--bu-gold-light);
}

.bu-page-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--bu-white);
    margin: 0;
}

.bu-product-detail__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

.bu-product-detail__frame {
    position: relative;
    padding: 2.5rem;
    border-radius: var(--bu-radius-lg);
    background: linear-gradient(145deg, var(--bu-blush), var(--bu-white));
    border: 1px solid rgba(139, 107, 168, 0.1);
    box-shadow: var(--bu-shadow);
}

.bu-product-detail--featured .bu-product-detail__frame {
    background: linear-gradient(145deg, #fdf8ee, var(--bu-white));
    border-color: rgba(212, 175, 106, 0.25);
}

.bu-product-detail__frame img {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(28, 26, 31, 0.12));
}

.bu-product-detail__content .bu-eyebrow { margin-bottom: 1rem; }

.bu-product-detail__content .bu-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 1.25rem;
}

.bu-product-detail__content .bu-lead {
    margin-bottom: 2rem;
    line-height: 1.9;
}

.bu-product-detail__block {
    margin-bottom: 1.75rem;
}

.bu-product-detail__block h3 {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
    color: var(--bu-purple-deep);
}

.bu-product-detail__block ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

.bu-product-detail__block li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.95rem;
    color: var(--bu-muted);
}

.bu-product-detail__block li i {
    color: var(--bu-purple);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.bu-product-detail--featured .bu-product-detail__block li i.fa-star {
    color: var(--bu-gold);
}

.bu-product-detail__block p {
    font-size: 0.95rem;
    color: var(--bu-muted);
    line-height: 1.9;
    margin: 0;
}

@media (max-width: 991px) {
    .bu-product-detail__grid {
        grid-template-columns: 1fr;
    }

    .bu-product-detail__frame {
        max-width: 360px;
        margin-inline: auto;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}