/* ================================
   PERLA PAINT - COMPONENTS
   ================================ */


/* ================================
   BUTTONS
   ================================ */

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 26px;
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    overflow: hidden;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.btn::after {
    content: "";
    width: 7px;
    height: 7px;
    border-top: 1.5px solid currentColor;
    border-right: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform var(--transition-fast);
}

.btn:hover::after {
    transform: translateX(4px) rotate(45deg);
}

.btn-primary {
    background-color: var(--perla-bordo);
    color: var(--perla-light);
    border: 1px solid var(--perla-bordo);
}

.btn-primary:hover {
    background-color: var(--perla-bordo-dark);
    border-color: var(--perla-bordo-dark);
    transform: translateY(-2px);
}

.btn-gold {
    background-color: var(--perla-gold);
    color: var(--perla-bordo);
    border: 1px solid var(--perla-gold);
}

.btn-gold:hover {
    background-color: var(--perla-gold-light);
    border-color: var(--perla-gold-light);
    transform: translateY(-2px);
}

.btn-outline {
    color: var(--perla-bordo);
    border: 1px solid rgba(56, 10, 20, 0.28);
}

.btn-outline:hover {
    color: var(--perla-light);
    background-color: var(--perla-bordo);
    border-color: var(--perla-bordo);
    transform: translateY(-2px);
}

.section-dark .btn-outline,
.page-hero.is-dark .btn-outline {
    color: var(--perla-light);
    border-color: rgba(234, 233, 229, 0.32);
}

.section-dark .btn-outline:hover,
.page-hero.is-dark .btn-outline:hover {
    color: var(--perla-bordo);
    background-color: var(--perla-light);
    border-color: var(--perla-light);
}


/* ================================
   HEADER
   ================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: var(--header-height);
    color: var(--perla-light);
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        height var(--transition-fast),
        color var(--transition-fast);
}

.site-header::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(
        to bottom,
        rgba(15, 15, 15, 0.54),
        rgba(15, 15, 15, 0.16),
        rgba(15, 15, 15, 0)
    );
    transition: opacity var(--transition-fast);
}

.site-header.is-scrolled {
    height: 76px;
    color: var(--perla-bordo);
    background-color: rgba(234, 233, 229, 0.92);
    border-bottom: 1px solid rgba(56, 10, 20, 0.12);
    backdrop-filter: blur(18px);
}

.site-header.is-scrolled::before {
    opacity: 0;
}

.header-inner {
    width: min(var(--container-wide), calc(100% - 48px));
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.site-logo {
    position: relative;
    z-index: 1001;
    display: block;
    flex: 0 0 auto;
    width: clamp(220px, 16vw, 300px);
    height: 82px;
    overflow: visible;
}

.site-logo-art {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
}

.logo-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    transform: scale(1.72);
    transform-origin: left center;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.logo-image-dark {
    opacity: 0;
}

.site-header.is-scrolled .logo-image-light {
    opacity: 0;
}

.site-header.is-scrolled .logo-image-dark {
    opacity: 1;
}

.logo-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 25px;
    font-weight: 700;
    line-height: 1;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text strong {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.logo-text span {
    margin-top: 5px;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.26em;
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.main-nav a {
    position: relative;
    padding: 14px 13px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0.88;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 13px;
    right: 13px;
    bottom: 8px;
    height: 1px;
    background-color: var(--perla-gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.main-nav a:hover {
    opacity: 1;
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-phone {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.header-offer {
    min-height: 44px;
    padding-inline: 18px;
    font-size: 12px;
}

.menu-toggle {
    position: relative;
    z-index: 1001;
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid currentColor;
    border-radius: 50%;
    color: currentColor;
}

.menu-toggle span {
    position: absolute;
    left: 13px;
    width: 18px;
    height: 1.5px;
    background-color: currentColor;
    border-radius: var(--radius-full);
    transition:
        transform var(--transition-fast),
        top var(--transition-fast);
}

.menu-toggle span:first-child {
    top: 18px;
}

.menu-toggle span:last-child {
    top: 26px;
}

.menu-toggle.is-open span:first-child {
    top: 22px;
    transform: rotate(45deg);
}

.menu-toggle.is-open span:last-child {
    top: 22px;
    transform: rotate(-45deg);
}


/* ================================
   MOBILE MENU
   ================================ */

.mobile-panel {
    position: fixed;
    inset: 0;
    z-index: 998;
    display: none;
    background-color: var(--perla-bordo);
    color: var(--perla-light);
    padding: 120px 24px 36px;
    transform: translateY(-100%);
    transition: transform var(--transition-med);
}

.mobile-panel.is-open {
    transform: translateY(0);
}

.mobile-nav {
    display: grid;
    gap: 0;
}

.mobile-nav a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    border-bottom: 1px solid rgba(234, 233, 229, 0.14);
    font-family: var(--font-heading);
    font-size: clamp(34px, 10vw, 58px);
    line-height: 1;
    letter-spacing: -0.04em;
}

.mobile-nav a::after {
    content: "→";
    font-family: var(--font-body);
    font-size: 22px;
    color: var(--perla-gold);
}

.mobile-panel-footer {
    margin-top: 42px;
    display: grid;
    gap: 12px;
    color: rgba(234, 233, 229, 0.72);
    font-size: var(--fs-sm);
}

.mobile-panel-footer a {
    color: var(--perla-gold-light);
}


/* ================================
   FOOTER
   ================================ */

.site-footer {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 84% 18%, rgba(216, 197, 168, 0.11), transparent 34%),
        linear-gradient(135deg, #23070e 0%, var(--perla-bordo-dark) 46%, #140307 100%);
    color: var(--perla-light);
}

.site-footer .container-wide {
    width: min(1500px, calc(100% - clamp(44px, 7vw, 104px)));
}

.site-footer::before {
    content: "P";
    position: absolute;
    right: -2vw;
    bottom: -5vw;
    color: rgba(234, 233, 229, 0.028);
    font-family: var(--font-heading);
    font-size: clamp(220px, 25vw, 460px);
    font-weight: 700;
    line-height: 0.8;
    pointer-events: none;
}

.site-footer::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(234, 233, 229, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(234, 233, 229, 0.04) 1px, transparent 1px);
    background-size: 100% 160px, 25% 100%;
    opacity: 0.32;
    pointer-events: none;
}

.footer-shell {
    position: relative;
    z-index: 1;
    padding: clamp(58px, 6.5vw, 88px) 0 0;
}

.footer-logo {
    display: inline-block;
    width: 236px;
    height: 82px;
    margin-bottom: 26px;
}

.footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    transform: scale(1.42);
    transform-origin: left center;
}

.footer-columns {
    display: grid;
    grid-template-columns: minmax(300px, 1.08fr) minmax(170px, 0.54fr) minmax(190px, 0.62fr) minmax(260px, 0.78fr);
    gap: clamp(34px, 5vw, 86px);
    align-items: start;
    padding: 0 0 clamp(42px, 5.5vw, 74px);
}

.footer-about,
.footer-link-group,
.footer-reach {
    display: grid;
    align-content: start;
}

.footer-title {
    display: block;
    margin-bottom: 18px;
    color: var(--perla-gold-light);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.footer-about p {
    max-width: 410px;
    color: rgba(234, 233, 229, 0.68);
    font-size: 15px;
    line-height: 1.82;
}

.footer-link-group {
    display: grid;
    gap: 11px;
}

.footer-link-group a,
.footer-reach a {
    width: fit-content;
    color: rgba(234, 233, 229, 0.78);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.45;
    letter-spacing: 0.01em;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-link-group a:hover,
.footer-reach a:hover {
    color: var(--perla-light);
    transform: translateX(4px);
}

.footer-reach {
    gap: 11px;
    padding: 26px;
    border: 1px solid rgba(234, 233, 229, 0.14);
    background:
        linear-gradient(145deg, rgba(234, 233, 229, 0.07), rgba(234, 233, 229, 0.025));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.footer-reach a {
    color: var(--perla-light);
}

.footer-reach p {
    margin-top: 4px;
    color: rgba(234, 233, 229, 0.58);
    font-size: 13px;
    line-height: 1.7;
}

.footer-bottom {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(234, 233, 229, 0.14);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 22px 0;
    color: rgba(234, 233, 229, 0.56);
    font-size: 13px;
}

.footer-bottom a {
    color: var(--perla-gold-light);
}

@media (max-width: 768px) {
    .site-logo {
        width: 132px;
        height: 46px;
    }

    .footer-logo {
        width: 210px;
        height: 78px;
    }
}

@media (max-width: 1080px) {
    .footer-columns {
        grid-template-columns: 1fr;
    }

    .footer-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 34px 44px;
    }
}

@media (max-width: 640px) {
    .site-footer .container-wide {
        width: calc(100% - 32px);
    }

    .footer-shell {
        padding-top: 46px;
    }

    .footer-logo {
        width: 220px;
        height: 82px;
    }

    .footer-columns {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 34px 0 42px;
    }

    .footer-title {
        margin-bottom: 13px;
    }

    .footer-link-group {
        gap: 9px;
    }

    .footer-reach {
        padding: 22px;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}


/* ================================
   CARDS
   ================================ */

.service-card {
    position: relative;
    min-height: 340px;
    padding: 34px;
    border: 1px solid var(--border-light);
    background-color: rgba(255, 255, 255, 0.28);
    transition:
        transform var(--transition-med),
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-gold);
    background-color: rgba(255, 255, 255, 0.46);
}

.service-card-number {
    display: block;
    margin-bottom: 80px;
    color: var(--perla-gold);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
}

.service-card h3 {
    margin-bottom: 16px;
    font-family: var(--font-heading);
    font-size: 32px;
    line-height: 1;
    letter-spacing: -0.04em;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.75;
}

.service-card-link {
    position: absolute;
    left: 34px;
    bottom: 30px;
    color: var(--perla-bordo);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.service-card-link::after {
    content: " →";
    color: var(--perla-gold);
}

.project-card {
    position: relative;
    overflow: hidden;
    min-height: 460px;
    background-color: var(--perla-antrasit);
    color: var(--perla-light);
}

.project-card-image {
    position: absolute;
    inset: 0;
    opacity: 0.78;
    transition: transform 1.2s ease, opacity var(--transition-med);
}

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

.project-card::after {
    content: none;
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, rgba(15, 15, 15, 0.82), rgba(15, 15, 15, 0.18)),
        linear-gradient(to right, rgba(56, 10, 20, 0.45), rgba(56, 10, 20, 0));
}

.project-card-content {
    position: relative;
    z-index: 2;
    padding: 34px;
    height: 100%;
    min-height: inherit;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.project-card-category {
    margin-bottom: 12px;
    color: var(--perla-gold-light);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.project-card h3 {
    max-width: 420px;
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 54px);
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.project-card:hover .project-card-image {
    transform: scale(1.06);
    opacity: 0.92;
}


/* ================================
   FORMS
   ================================ */

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-label {
    color: var(--perla-bordo);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    min-height: 54px;
    padding: 0 16px;
    border: 1px solid rgba(56, 10, 20, 0.16);
    border-radius: 0;
    background-color: rgba(255, 255, 255, 0.42);
    color: var(--text-dark);
    outline: none;
    transition:
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

textarea.form-control {
    min-height: 150px;
    padding-top: 16px;
    resize: vertical;
}

.form-control:focus {
    border-color: var(--perla-gold);
    background-color: rgba(255, 255, 255, 0.7);
}

.form-control::placeholder {
    color: rgba(34, 34, 34, 0.42);
}


/* ================================
   SMALL UI DETAILS
   ================================ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1200;
    width: 0%;
    height: 3px;
    background-color: var(--perla-gold);
}

.pattern-mark {
    position: absolute;
    pointer-events: none;
    user-select: none;
    font-family: var(--font-heading);
    font-size: clamp(180px, 28vw, 420px);
    font-weight: 700;
    line-height: 0.75;
    letter-spacing: -0.08em;
    color: rgba(179, 150, 109, 0.08);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    color: rgba(234, 233, 229, 0.68);
    font-size: var(--fs-sm);
}

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

.breadcrumb span:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    color: rgba(234, 233, 229, 0.38);
}