@import url("tokens.css");
@import url("surfaces.css");
@import url("whatsapp.css");
@import url("pages/inner-pages.css");

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h-sticky);
}

body {
    margin: 0;
    overflow-x: clip;
    color: var(--c-text);
    background: var(--c-surface);
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.menu-open {
    overflow: hidden;
}

img,
picture,
svg {
    display: block;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    cursor: pointer;
}

[hidden] {
    display: none !important;
}

:focus-visible {
    outline: 2px solid var(--c-brand);
    outline-offset: 2px;
}

::selection {
    color: var(--c-text-invert);
    background: var(--c-brand);
}

.skip-link {
    position: fixed;
    z-index: var(--z-toast);
    top: var(--sp-4);
    left: var(--sp-4);
    padding: var(--sp-3) var(--sp-4);
    transform: translateY(calc(-100% - var(--sp-8)));
    border-radius: var(--r-md);
    color: var(--c-text-invert);
    background: var(--c-brand);
    font-weight: var(--fw-bold);
    transition: transform var(--dur-base) var(--ease-out);
}

.skip-link:focus {
    transform: translateY(0);
}

.scroll-progress {
    position: fixed;
    z-index: var(--z-toast);
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    pointer-events: none;
}

.scroll-progress span {
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--c-brand);
}

.container {
    width: min(var(--container), calc(100% - (var(--sp-8) * 2)));
    margin-inline: auto;
}

.section {
    padding-block: var(--sp-24);
}

.section-alt {
    background: var(--c-surface-alt);
}

.section-heading {
    max-width: var(--container-narrow);
    margin-bottom: var(--sp-12);
}

.section-heading-row {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, .72fr);
    align-items: end;
    gap: var(--sp-16);
}

.section-heading-row .lead {
    margin-bottom: var(--sp-4);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-3);
    color: var(--c-brand);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    letter-spacing: .14em;
    text-transform: uppercase;
}

.eyebrow::before {
    width: var(--sp-6);
    height: 2px;
    background: currentColor;
    content: "";
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--c-text);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    letter-spacing: -.035em;
}

h1,
h2 {
    margin-bottom: var(--sp-6);
}

h1 {
    font-size: var(--fs-4xl);
}

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

h3 {
    margin-bottom: var(--sp-3);
    font-size: var(--fs-xl);
}

p {
    margin-bottom: var(--sp-4);
}

.lead {
    color: var(--c-text-muted);
    font-size: var(--fs-lg);
}

.icon {
    width: var(--sp-6);
    height: var(--sp-6);
    flex: 0 0 auto;
}

.icon-sm {
    width: var(--sp-4);
    height: var(--sp-4);
}

.btn {
    min-height: calc(var(--sp-12) + var(--sp-2));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-3);
    padding-inline: var(--sp-6);
    border: 1px solid transparent;
    border-radius: var(--r-full);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    line-height: var(--lh-snug);
    transition:
        transform var(--dur-base) var(--ease-out),
        color var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out),
        border-color var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out);
}

.btn:hover {
    transform: translateY(calc(var(--sp-1) / -2));
}

.btn-primary {
    color: var(--c-text-invert);
    background: var(--c-brand);
    box-shadow: var(--sh-md);
}

.btn-primary:hover {
    background: var(--c-brand-hover);
    box-shadow: var(--sh-lg);
}

.btn-outline {
    color: var(--c-text-invert);
    border-color: color-mix(in srgb, var(--c-text-invert) 45%, transparent);
    background: color-mix(in srgb, var(--c-ink-900) 20%, transparent);
}

.btn-outline:hover {
    color: var(--c-text);
    border-color: var(--c-surface);
    background: var(--c-surface);
}

.btn-dark {
    color: var(--c-text-invert);
    background: var(--c-ink-800);
}

.btn-dark:hover {
    background: var(--c-ink-700);
}

.btn-light {
    color: var(--c-text);
    background: var(--c-surface);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    color: var(--c-brand);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
}

.text-link .icon {
    transition: transform var(--dur-base) var(--ease-out);
}

.text-link:hover .icon {
    transform: translateX(var(--sp-1));
}

.site-header {
    position: relative;
    z-index: var(--z-header);
    width: 100%;
    color: var(--c-text-invert);
    border-bottom: 1px solid color-mix(in srgb, var(--c-text-invert) 15%, transparent);
    background: var(--c-ink-900);
}

.header-inner {
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
}

.brand {
    width: 180px;
    flex: 0 0 auto;
    overflow: hidden;
    border-radius: var(--r-md);
    background: var(--c-surface);
}

.brand img {
    width: 100%;
}

.nav-desktop {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-1);
}

.nav-link,
.language-switch,
.btn {
    white-space: nowrap;
}

.nav-label-compact {
    display: none;
}

.nav-link {
    min-height: var(--sp-12);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding-inline: var(--sp-3);
    border: 0;
    border-radius: var(--r-md);
    color: var(--c-ink-200);
    background: transparent;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    transition:
        color var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.nav-link:hover,
.nav-link.is-active,
.nav-products-toggle[aria-expanded="true"] {
    color: var(--c-text-invert);
    background: color-mix(in srgb, var(--c-surface) 10%, transparent);
}

.nav-products {
    position: relative;
}

.nav-products-toggle .icon {
    transition: transform var(--dur-base) var(--ease-out);
}

.nav-products-toggle[aria-expanded="true"] .icon {
    transform: rotate(180deg);
}

.mega-menu {
    position: absolute;
    top: calc(100% + var(--sp-4));
    left: 50%;
    width: min(860px, calc(100vw - (var(--sp-8) * 2)));
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(16rem, .65fr);
    gap: var(--sp-6);
    padding: var(--sp-6);
    transform: translateX(-50%);
    border: 1px solid var(--c-line);
    border-radius: var(--r-xl);
    color: var(--c-text);
    background: var(--c-surface);
    box-shadow: var(--sh-xl);
}

.mega-menu-products,
.mega-menu-featured {
    min-width: 0;
}

.menu-label {
    display: block;
    margin-bottom: var(--sp-3);
    color: var(--c-text-muted);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    letter-spacing: .12em;
    text-transform: uppercase;
}

.mega-menu-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-2);
}

.mega-menu-link {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-2);
    border-radius: var(--r-lg);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    transition:
        color var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.mega-menu-link:hover {
    color: var(--c-brand);
    background: var(--c-brand-soft);
}

.mega-menu-link img {
    width: var(--sp-12);
    height: var(--sp-12);
    flex: 0 0 auto;
    border-radius: var(--r-md);
    object-fit: cover;
    background: var(--c-alu-100);
}

.mega-feature-card {
    display: block;
    overflow: hidden;
    margin-bottom: var(--sp-4);
    border-radius: var(--r-lg);
    background: var(--c-ink-800);
}

.mega-feature-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.mega-feature-card span {
    display: block;
    padding: var(--sp-4);
    color: var(--c-text-invert);
}

.mega-feature-card strong,
.mega-feature-card small {
    display: block;
}

.mega-feature-card small {
    margin-top: var(--sp-1);
    color: var(--c-ink-200);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.language-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: var(--sp-1);
    border: 1px solid color-mix(in srgb, var(--c-text-invert) 18%, transparent);
    border-radius: var(--r-full);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
}

.language-switch a {
    min-width: var(--sp-8);
    display: grid;
    place-items: center;
    padding-block: var(--sp-1);
    border-radius: var(--r-full);
}

.language-switch a.is-active {
    color: var(--c-text);
    background: var(--c-surface);
}

.language-switch .language-option-en {
    display: grid;
}

.language-switch a:not(.is-active):hover {
    color: var(--c-text-invert);
    background: color-mix(in srgb, var(--c-text-invert) 12%, transparent);
}

.menu-toggle {
    position: relative;
    z-index: calc(var(--z-menu) + 1);
    width: var(--sp-12);
    height: var(--sp-12);
    display: none;
    place-items: center;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--c-text-invert) 24%, transparent);
    border-radius: var(--r-md);
    color: var(--c-text-invert);
    background: transparent;
}

.menu-icon-close {
    display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon-open {
    display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon-close {
    display: block;
}

.mobile-menu {
    position: fixed;
    z-index: var(--z-menu);
    inset: 0;
    overflow-y: auto;
    transform: translateX(100%);
    color: var(--c-text-invert);
    background: var(--c-ink-900);
    visibility: hidden;
    transition:
        transform var(--dur-slow) var(--ease-out),
        visibility var(--dur-slow) var(--ease-out);
}

.mobile-menu.is-open {
    transform: translateX(0);
    visibility: visible;
}

.mobile-menu-inner {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding-top: calc(var(--header-h) + var(--sp-8));
    padding-bottom: var(--sp-8);
}

.mobile-menu-inner > a,
.mobile-products-toggle {
    min-height: calc(var(--sp-12) + var(--sp-2));
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-inline: var(--sp-4);
    border: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
    color: var(--c-text-invert);
    background: transparent;
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    text-align: left;
}

.mobile-products {
    display: grid;
    gap: var(--sp-1);
    padding: var(--sp-2) var(--sp-4) var(--sp-4);
    border-bottom: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
}

.mobile-products a {
    padding: var(--sp-2) var(--sp-4);
    color: var(--c-ink-200);
    font-size: var(--fs-sm);
}

.mobile-products-toggle .icon {
    transition: transform var(--dur-base) var(--ease-out);
}

.mobile-products-toggle[aria-expanded="true"] .icon {
    transform: rotate(180deg);
}

.mobile-menu-meta {
    display: grid;
    gap: var(--sp-2);
    margin-top: auto;
    padding: var(--sp-6) var(--sp-4) 0;
    color: var(--c-ink-200);
    font-size: var(--fs-sm);
}

.hero-slider {
    position: relative;
    height: 100dvh;
    min-height: 600px;
    overflow: hidden;
    color: var(--c-text-invert);
    background: var(--c-ink-900);
    isolation: isolate;
}

.hero-slides,
.hero-slide,
.hero-media,
.hero-overlay {
    position: absolute;
    inset: 0;
}

.hero-slide {
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--dur-slow) var(--ease-in-out),
        visibility var(--dur-slow) var(--ease-in-out);
}

.hero-slide.is-active {
    z-index: 1;
    opacity: 1;
    visibility: visible;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-slide[data-slide="0"] .hero-media img {
    object-position: 50% 50%;
}

.hero-slide[data-slide="1"] .hero-media img {
    object-position: 42% 50%;
}

.hero-slide[data-slide="2"] .hero-media img {
    object-position: 50% 50%;
}

.hero-slide[data-slide="3"] .hero-media img {
    object-position: 50% 58%;
}

.hero-slide.is-active .hero-media img {
    animation: hero-ken-burns 8s linear both;
}

@keyframes hero-ken-burns {
    from { transform: scale(1); }
    to { transform: scale(1.025); }
}

.hero-overlay {
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--c-ink-900) 94%, transparent) 0%, color-mix(in srgb, var(--c-ink-900) 82%, transparent) 42%, color-mix(in srgb, var(--c-ink-900) 18%, transparent) 58%, color-mix(in srgb, var(--c-ink-900) 4%, transparent) 100%),
        linear-gradient(0deg, color-mix(in srgb, var(--c-ink-900) 34%, transparent), transparent 44%);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: var(--sp-16);
    padding-bottom: calc(var(--sp-24) + var(--sp-16));
}

.hero-content .eyebrow {
    color: color-mix(in srgb, var(--c-brand) 48%, var(--c-text-invert));
}

.hero-title {
    max-width: 13ch;
    margin-bottom: var(--sp-6);
    color: var(--c-text-invert);
    font-size: clamp(2.75rem, 6vw, 5.75rem);
    text-shadow:
        0 1px 2px color-mix(in srgb, var(--c-ink-900) 96%, transparent),
        0 0 10px color-mix(in srgb, var(--c-ink-900) 90%, transparent),
        0 0 24px color-mix(in srgb, var(--c-ink-900) 78%, transparent);
}

.hero-title > span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
}

.hero-slide.is-active .hero-title > span {
    animation: hero-word-in var(--dur-slow) var(--ease-out) both;
}

.hero-slide.is-active .hero-title > span:nth-child(2) { animation-delay: 70ms; }
.hero-slide.is-active .hero-title > span:nth-child(3) { animation-delay: 140ms; }
.hero-slide.is-active .hero-title > span:nth-child(4) { animation-delay: 210ms; }
.hero-slide.is-active .hero-title > span:nth-child(5) { animation-delay: 280ms; }

@keyframes hero-word-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-support {
    max-width: 42rem;
    opacity: 0;
    transform: translateY(var(--sp-6));
}

.hero-slide.is-active .hero-support {
    animation: hero-support-in var(--dur-slow) var(--ease-out) 200ms both;
}

@keyframes hero-support-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-support p {
    margin-bottom: var(--sp-8);
    color: var(--c-ink-200);
    font-size: var(--fs-lg);
    text-shadow:
        0 1px 2px color-mix(in srgb, var(--c-ink-900) 96%, transparent),
        0 0 8px color-mix(in srgb, var(--c-ink-900) 92%, transparent);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
}

.hero-controls {
    position: absolute;
    z-index: 3;
    right: 0;
    bottom: var(--sp-16);
    left: 0;
    display: grid;
    grid-template-columns: minmax(12rem, 1fr) auto auto;
    align-items: center;
    gap: var(--sp-8);
}

.hero-status {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.hero-progress {
    width: min(18rem, 35vw);
    height: 2px;
    overflow: hidden;
    background: color-mix(in srgb, var(--c-text-invert) 22%, transparent);
}

.hero-progress span {
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--c-brand);
}

.hero-slider.is-playing .hero-progress span {
    animation: hero-autoplay 7s linear both;
}

.hero-slider.is-paused .hero-progress span {
    animation-play-state: paused;
}

@keyframes hero-autoplay {
    to { transform: scaleX(1); }
}

.hero-counter {
    color: var(--c-ink-200);
    font-size: var(--fs-xs);
    font-variant-numeric: tabular-nums;
}

.hero-counter b {
    color: var(--c-text-invert);
    font-size: var(--fs-xl);
}

.hero-pagination {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.hero-pagination button {
    width: var(--sp-2);
    height: var(--sp-2);
    padding: 0;
    border: 1px solid var(--c-text-invert);
    border-radius: var(--r-full);
    background: transparent;
    transition:
        width var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.hero-pagination button.is-active {
    width: var(--sp-6);
    background: var(--c-text-invert);
}

.hero-arrows {
    display: flex;
    gap: var(--sp-2);
}

.hero-arrows button {
    width: var(--sp-12);
    height: var(--sp-12);
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--c-text-invert) 35%, transparent);
    border-radius: var(--r-full);
    color: var(--c-text-invert);
    background: color-mix(in srgb, var(--c-ink-900) 32%, transparent);
    transition:
        color var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.hero-arrows button:hover {
    color: var(--c-text);
    background: var(--c-surface);
}

.calculator-overlap {
    position: relative;
    z-index: 4;
    margin-top: calc(var(--sp-16) * -1);
}

.quick-calculator {
    display: grid;
    grid-template-columns: minmax(18rem, .62fr) minmax(0, 1.38fr);
    gap: var(--sp-8);
    padding: var(--sp-8);
    border: 1px solid color-mix(in srgb, var(--c-alu-300) 18%, transparent);
    border-radius: var(--r-xl);
    color: var(--c-text-invert);
    background: var(--c-ink-800);
    box-shadow: var(--sh-xl);
}

.quick-calculator-heading h2 {
    margin-bottom: var(--sp-4);
    color: var(--c-text-invert);
    font-size: var(--fs-2xl);
}

.quick-calculator-heading p {
    color: var(--c-ink-200);
}

.quick-calculator-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(13rem, .42fr);
    gap: var(--sp-6);
}

.quick-calculator-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-3);
}

.field {
    min-width: 0;
    display: grid;
    gap: var(--sp-2);
}

.field label {
    color: var(--c-ink-200);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: var(--sp-12);
    padding-inline: var(--sp-3);
    border: 1px solid color-mix(in srgb, var(--c-alu-300) 28%, transparent);
    border-radius: var(--r-md);
    color: var(--c-text-invert);
    background: color-mix(in srgb, var(--c-ink-900) 55%, transparent);
    transition:
        border-color var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--c-brand);
    box-shadow: 0 0 0 var(--sp-1) color-mix(in srgb, var(--c-brand) 14%, transparent);
}

.quick-calculator-result {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-6);
    border-radius: var(--r-lg);
    color: var(--c-text);
    background: var(--c-surface);
}

.quick-calculator-result > span {
    color: var(--c-text-muted);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    letter-spacing: .08em;
    text-transform: uppercase;
}

.quick-calculator-result output {
    color: var(--c-brand);
    font-size: var(--fs-3xl);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    font-variant-numeric: tabular-nums;
}

.quick-calculator-result small {
    margin-bottom: var(--sp-3);
    color: var(--c-text-muted);
}

.quick-calculator-result .calculator-tolerance {
    max-width: 30ch;
    margin-top: calc(var(--sp-1) * -1);
    margin-bottom: var(--sp-1);
    font-size: var(--fs-xs);
    line-height: var(--lh-snug);
}

.quick-calculator-result .text-link {
    margin-top: var(--sp-2);
    font-size: var(--fs-xs);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-6);
}

/* Sekiz ürün, masaüstünde kesintisiz ve dengeli bir 4 × 2 vitrin oluşturur. */
@media (min-width: 68.75rem) {
    .product-grid-featured {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: var(--sp-5);
    }
}

/* Daha dar ekranlarda okunabilir kart genişliğini koru. */
@media (min-width: 56.3125rem) and (max-width: 68.6875rem) {
    .product-grid-featured {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.product-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--c-line);
    border-radius: var(--r-xl);
    background: var(--c-surface);
    box-shadow: var(--sh-md);
    transition:
        transform var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out);
}

.product-card:hover {
    transform: translateY(calc(var(--sp-2) * -1));
    box-shadow: var(--sh-lg);
}

.product-card-media {
    position: relative;
    aspect-ratio: 4 / 3;
    display: block;
    overflow: hidden;
    background: var(--c-alu-100);
}

.product-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.86) contrast(1.06);
    transition: transform var(--dur-slow) var(--ease-out);
}

.product-card:hover .product-card-media img {
    transform: scale(1.04);
}

.product-type,
.product-spec-tag {
    position: absolute;
    top: var(--sp-4);
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--r-full);
    color: var(--c-text-invert);
    background: color-mix(in srgb, var(--c-ink-900) 84%, transparent);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
}

.product-type {
    left: var(--sp-4);
}

.product-spec-tag {
    right: var(--sp-4);
    opacity: 0;
    transform: translateY(calc(var(--sp-2) * -1));
    transition:
        opacity var(--dur-base) var(--ease-out),
        transform var(--dur-base) var(--ease-out);
}

.product-card:hover .product-spec-tag,
.product-card:focus-within .product-spec-tag {
    opacity: 1;
    transform: translateY(0);
}

.product-card-body {
    padding: var(--sp-6);
}

.product-card-body p {
    color: var(--c-text-muted);
    font-size: var(--fs-sm);
}

.product-card--featured {
    display: flex;
    flex-direction: column;
    border-color: color-mix(in srgb, var(--c-ink-900) 9%, transparent);
    border-radius: 18px;
    box-shadow: 0 1px 2px rgb(20 20 22 / .04), 0 10px 28px rgb(20 20 22 / .06);
}

.product-card--featured:hover,
.product-card--featured:focus-within {
    border-color: color-mix(in srgb, var(--c-brand) 28%, var(--c-line));
    transform: translateY(calc(var(--sp-1) * -1));
    box-shadow: 0 18px 42px rgb(20 20 22 / .12);
}

.product-card--featured .product-card-media {
    aspect-ratio: 16 / 11;
}

.product-card--featured .product-card-media::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgb(20 20 22 / .16), transparent 38%, rgb(20 20 22 / .08));
    pointer-events: none;
    content: "";
}

.product-card--featured .product-card-media img {
    transition: transform 600ms var(--ease-out), filter var(--dur-base) var(--ease-out);
}

.product-card--featured:hover .product-card-media img,
.product-card--featured:focus-within .product-card-media img {
    transform: scale(1.055);
    filter: saturate(.95) contrast(1.08);
}

.product-card--featured .product-type,
.product-card--featured .product-spec-tag {
    z-index: 1;
    top: var(--sp-3);
    padding: .42rem .7rem;
    border: 1px solid rgb(255 255 255 / .16);
    background: rgb(20 20 22 / .72);
    box-shadow: 0 4px 16px rgb(20 20 22 / .12);
    font-size: .7rem;
    letter-spacing: .02em;
    backdrop-filter: blur(10px);
}

.product-card--featured .product-type {
    left: var(--sp-3);
}

.product-card--featured .product-spec-tag {
    right: var(--sp-3);
    opacity: 1;
    transform: none;
}

.product-card--featured .product-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--sp-5);
}

.product-card--featured .product-card-body h3 {
    min-height: 2.3em;
    margin-bottom: var(--sp-3);
    font-size: clamp(1.05rem, .35vw + 1rem, 1.25rem);
}

.product-card--featured .product-card-body p {
    min-height: 4.8em;
    display: -webkit-box;
    overflow: hidden;
    margin-bottom: var(--sp-5);
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.product-card--featured .product-card-body .text-link {
    width: 100%;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--sp-4);
    border-top: 1px solid var(--c-line);
}

.product-card--featured .product-card-body .text-link .icon {
    width: 2rem;
    height: 2rem;
    padding: .5rem;
    border-radius: var(--r-full);
    color: var(--c-text-invert);
    background: var(--c-brand);
}

.product-card--featured .product-card-body .text-link:hover .icon {
    transform: translateX(var(--sp-1));
    background: var(--c-brand-hover);
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: var(--sp-16);
}

.about-media {
    position: relative;
    min-height: 34rem;
}

.about-media > img {
    width: calc(100% - var(--sp-8));
    height: 100%;
    position: absolute;
    inset: 0 auto 0 0;
    border-radius: var(--r-xl);
    object-fit: cover;
    background: var(--c-alu-100);
}

.about-card {
    position: absolute;
    right: 0;
    bottom: var(--sp-8);
    width: min(17rem, 58%);
    padding: var(--sp-6);
    border-radius: var(--r-lg);
    color: var(--c-text-invert);
    background: var(--c-brand);
    box-shadow: var(--sh-xl);
}

.about-card strong,
.about-card span {
    display: block;
}

.about-card strong {
    margin-bottom: var(--sp-2);
    font-size: var(--fs-xl);
}

.about-card span {
    font-size: var(--fs-sm);
}

.check-list {
    display: grid;
    gap: var(--sp-3);
    margin: var(--sp-8) 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    color: var(--c-text-muted);
    font-weight: var(--fw-semibold);
}

.check-list .icon {
    color: var(--c-brand);
}

.stats-section {
    padding-block: var(--sp-12);
    color: var(--c-text-invert);
    background: var(--c-ink-900);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
    padding: var(--sp-8);
    border-right: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
}

.stat-card:last-child {
    border-right: 0;
}

.stat-card strong,
.stat-card span {
    display: block;
}

.stat-card strong {
    color: var(--c-text-invert);
    font-size: var(--fs-3xl);
    font-variant-numeric: tabular-nums;
}

.stat-card span {
    color: var(--c-ink-200);
    font-size: var(--fs-sm);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-4);
}

.sector-card {
    min-height: 15rem;
    display: flex;
    flex-direction: column;
    padding: var(--sp-6);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    background: var(--c-surface);
}

.sector-card img {
    width: var(--sp-12);
    height: var(--sp-12);
    margin-bottom: var(--sp-6);
    object-fit: contain;
}

.sector-card p {
    color: var(--c-text-muted);
    font-size: var(--fs-sm);
}

.sector-card a {
    margin-top: auto;
    padding-top: var(--sp-3);
    border-top: 1px solid var(--c-line);
    color: var(--c-brand);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
}

.metal-fact-section {
    padding-block: var(--sp-16);
    color: var(--c-text-invert);
    background: var(--c-ink-800);
}

.metal-fact {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--sp-12);
    padding: var(--sp-8);
    border: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
    border-radius: var(--r-xl);
    background: var(--c-ink-900);
}

.metal-fact h2 {
    color: var(--c-text-invert);
}

.metal-fact p {
    margin-bottom: 0;
    color: var(--c-ink-200);
}

.element-box {
    position: relative;
    width: 14rem;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border: 2px solid var(--c-brand);
    border-radius: var(--r-xl);
    background: color-mix(in srgb, var(--c-brand) 10%, transparent);
}

.element-box strong {
    color: var(--c-text-invert);
    font-size: clamp(4rem, 8vw, 6rem);
    line-height: 1;
}

.element-symbol {
    display: inline-flex;
    align-items: baseline;
    font-feature-settings: "ss02" 1;
    font-variant-alternates: styleset(ss02);
}

.element-box .element-symbol span {
    position: static;
    color: inherit;
}

.element-symbol-l {
    display: inline-block;
    margin-left: .025em;
    font-size: .96em;
    letter-spacing: .015em;
}

.element-box span,
.element-box small {
    position: absolute;
    color: color-mix(in srgb, var(--c-brand) 55%, var(--c-text-invert));
    font-weight: var(--fw-bold);
}

.element-box span {
    top: var(--sp-4);
    left: var(--sp-4);
}

.element-box small {
    right: var(--sp-4);
    bottom: var(--sp-4);
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-4);
}

.facility-card {
    min-height: 17rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    gap: var(--sp-2);
    padding: var(--sp-6);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    color: var(--c-text);
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--c-alu-100) 80%, transparent), var(--c-surface-alt));
    text-align: left;
    box-shadow: var(--sh-sm);
    transition:
        transform var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out);
}

.facility-card:hover {
    transform: translateY(calc(var(--sp-2) * -1));
    box-shadow: var(--sh-lg);
}

.facility-card .icon {
    width: var(--sp-8);
    height: var(--sp-8);
    margin-bottom: auto;
    color: var(--c-brand);
}

.facility-card span {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
}

.facility-card small {
    color: var(--c-text-muted);
}

.quality-panel {
    display: grid;
    grid-template-columns: minmax(16rem, .48fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--sp-8);
    margin-top: var(--sp-16);
    padding: var(--sp-8);
    border: 1px solid var(--c-line);
    border-radius: var(--r-xl);
    background: var(--c-surface-alt);
}

.quality-copy h3 {
    font-size: var(--fs-2xl);
}

.quality-copy p {
    margin-bottom: 0;
    color: var(--c-text-muted);
}

.certificate-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-3);
}

.certificate-strip span {
    min-height: 6rem;
    display: grid;
    place-items: center;
    padding: var(--sp-3);
    border: 1px dashed var(--c-alu-300);
    border-radius: var(--r-md);
    color: var(--c-ink-400);
    background: var(--c-surface);
    filter: grayscale(1);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    transition:
        color var(--dur-base) var(--ease-out),
        filter var(--dur-base) var(--ease-out);
}

.certificate-strip span:hover {
    color: var(--c-brand);
    filter: grayscale(0);
}

.catalog-cta {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-8);
    margin-top: var(--sp-8);
    padding: var(--sp-12);
    border-radius: var(--r-xl);
    color: var(--c-text-invert);
    background: linear-gradient(120deg, var(--c-brand), var(--c-brand-hover));
    box-shadow: var(--sh-xl);
}

.catalog-cta h2 {
    color: var(--c-text-invert);
}

.catalog-cta p {
    margin-bottom: 0;
    color: color-mix(in srgb, var(--c-text-invert) 80%, transparent);
}

.catalog-cta .eyebrow {
    color: var(--c-text-invert);
}

.quote-section {
    padding-bottom: var(--sp-24);
}

.quote-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-8);
    padding: var(--sp-12);
    border-radius: var(--r-xl);
    color: var(--c-text-invert);
    background: var(--c-ink-800);
    box-shadow: var(--sh-xl);
}

.quote-cta h2 {
    color: var(--c-text-invert);
}

.quote-cta p {
    margin-bottom: 0;
    color: var(--c-ink-200);
}

.quote-cta .btn {
    flex: 0 0 auto;
}

.site-footer {
    padding-top: var(--sp-16);
    color: var(--c-ink-200);
    background: var(--c-ink-900);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr .8fr 1.1fr;
    gap: var(--sp-12);
    padding-bottom: var(--sp-16);
}

.footer-brand img {
    width: 232px;
    margin-bottom: var(--sp-6);
    padding: var(--sp-2);
    border-radius: var(--r-md);
    background: var(--c-surface);
}

.footer-brand p {
    max-width: 28rem;
    font-size: var(--fs-sm);
}

.footer-title {
    margin-bottom: var(--sp-6);
    color: var(--c-text-invert);
    font-size: var(--fs-lg);
}

.footer-links,
.footer-contact {
    display: grid;
    gap: var(--sp-2);
}

.footer-links a,
.footer-contact {
    font-size: var(--fs-sm);
}

.footer-links a,
.footer-contact a {
    transition: color var(--dur-base) var(--ease-out);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--c-text-invert);
}

.footer-contact span,
.footer-contact a {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
}

.footer-contact .icon {
    margin-top: var(--sp-1);
    color: var(--c-brand);
}

.footer-bottom {
    padding-block: var(--sp-4);
    border-top: 1px solid color-mix(in srgb, var(--c-text-invert) 10%, transparent);
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    color: var(--c-ink-400);
    font-size: var(--fs-xs);
}

.social-links {
    display: flex;
    gap: var(--sp-2);
}

.social-links a {
    width: var(--sp-8);
    height: var(--sp-8);
    display: grid;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
    border-radius: var(--r-full);
    color: var(--c-ink-400);
}

.social-links .icon {
    width: var(--sp-4);
    height: var(--sp-4);
}

.social-links a[aria-disabled="true"] {
    cursor: not-allowed;
    pointer-events: none;
}

.floating-actions {
    position: fixed;
    z-index: var(--z-header);
    right: var(--sp-6);
    bottom: var(--sp-6);
    display: grid;
    gap: var(--sp-3);
}

.whatsapp-button,
.back-top {
    width: calc(var(--sp-12) + var(--sp-2));
    height: calc(var(--sp-12) + var(--sp-2));
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: var(--r-full);
    color: var(--c-text-invert);
    background: var(--c-brand);
    box-shadow: var(--sh-lg);
    transition:
        opacity var(--dur-base) var(--ease-out),
        visibility var(--dur-base) var(--ease-out),
        transform var(--dur-base) var(--ease-out),
        background-color var(--dur-base) var(--ease-out);
}

.whatsapp-button:hover,
.back-top:hover {
    transform: translateY(calc(var(--sp-1) * -1));
    background: var(--c-brand-hover);
}

.back-top {
    opacity: 0;
    visibility: hidden;
    transform: translateY(var(--sp-2));
}

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

.lightbox-dialog {
    width: min(46rem, calc(100% - (var(--sp-8) * 2)));
    padding: 0;
    border: 0;
    border-radius: var(--r-xl);
    color: var(--c-text);
    background: var(--c-surface);
    box-shadow: var(--sh-xl);
}

.lightbox-dialog:not([open]) {
    display: none;
}

.lightbox-dialog::backdrop {
    background: color-mix(in srgb, var(--c-ink-900) 82%, transparent);
    backdrop-filter: blur(8px);
}

.lightbox-inner {
    position: relative;
    padding: var(--sp-12);
}

.dialog-close {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-4);
    width: var(--sp-12);
    height: var(--sp-12);
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--c-line);
    border-radius: var(--r-full);
    background: var(--c-surface);
}

.lightbox-placeholder {
    min-height: 22rem;
    display: grid;
    place-items: center;
    align-content: center;
    gap: var(--sp-4);
    padding: var(--sp-8);
    border: 1px dashed var(--c-alu-300);
    border-radius: var(--r-lg);
    text-align: center;
    background: var(--c-surface-alt);
}

.lightbox-placeholder .icon {
    width: var(--sp-12);
    height: var(--sp-12);
    color: var(--c-brand);
}

.lightbox-placeholder h2,
.lightbox-placeholder p {
    margin-bottom: 0;
}

.lightbox-placeholder code {
    max-width: 100%;
    overflow-wrap: anywhere;
    color: var(--c-text-muted);
    font-size: var(--fs-xs);
}

.js-animations .reveal-item {
    opacity: 0;
    transform: translateY(var(--sp-6));
}

.js-animations .reveal-item.is-revealed {
    opacity: 1;
    transform: translateY(0);
    transition:
        opacity var(--dur-slow) var(--ease-out) var(--reveal-delay, 0ms),
        transform var(--dur-slow) var(--ease-out) var(--reveal-delay, 0ms);
}

@media (max-width: 1180px) {
    .container {
        width: min(var(--container), calc(100% - (var(--sp-6) * 2)));
    }

    .quick-calculator {
        grid-template-columns: 1fr;
    }

    .sectors-grid,
    .facility-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (min-width: 1024px) and (max-width: 1200px) {
    .header-inner {
        gap: var(--sp-2);
    }

    .brand {
        width: 148px;
    }

    .nav-desktop {
        gap: 0;
    }

    .nav-link {
        min-height: 2.5rem;
        padding-inline: var(--sp-2);
        font-size: var(--fs-xs);
    }

    .nav-label-full {
        display: none;
    }

    .nav-label-compact {
        display: inline;
    }

    .header-actions {
        gap: var(--sp-2);
    }

    .language-switch a {
        min-width: 1.75rem;
    }

    .header-quote {
        padding-inline: var(--sp-4);
        font-size: var(--fs-xs);
    }
}

@media (min-width: 1201px) and (max-width: 1320px) {
    .nav-link {
        padding-inline: var(--sp-2);
    }
}

@media (max-width: 1023px) {
    .nav-desktop,
    .header-quote {
        display: none;
    }

    .menu-toggle {
        display: grid;
    }

    .header-actions {
        margin-left: auto;
    }
}

@media (max-width: 900px) {
    .section {
        padding-block: var(--sp-16);
    }

    .section-heading-row,
    .quick-calculator-form,
    .about-grid,
    .quality-panel,
    .metal-fact {
        grid-template-columns: 1fr;
        gap: var(--sp-8);
    }

    .hero-controls {
        grid-template-columns: 1fr auto;
    }

    .hero-pagination {
        display: none;
    }

    .quick-calculator-fields {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .quick-calculator-result {
        position: sticky;
        bottom: var(--sp-3);
        z-index: 2;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stat-card:nth-child(2) {
        border-right: 0;
    }

    .stat-card:nth-child(-n+2) {
        border-bottom: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
    }

    .certificate-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .catalog-cta {
        align-items: flex-start;
        flex-direction: column;
        padding: var(--sp-8);
    }

    .quote-cta {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(var(--container), calc(100% - (var(--sp-4) * 2)));
    }

    .brand {
        width: 168px;
    }

    .language-switch { display: inline-flex; }

    .hero-slider {
        height: 85dvh;
    }

    .hero-content {
        padding-bottom: calc(var(--sp-24) + var(--sp-12));
    }

    .hero-title {
        font-size: clamp(2.35rem, 12vw, 3.75rem);
    }

    .hero-support p {
        font-size: var(--fs-base);
    }

    .hero-actions {
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-controls {
        bottom: var(--sp-8);
        gap: var(--sp-3);
    }

    .hero-progress {
        width: min(9rem, 32vw);
    }

    .calculator-overlap {
        margin-top: calc(var(--sp-8) * -1);
    }

    .quick-calculator {
        padding: var(--sp-6);
    }

    .quick-calculator-fields,
    .product-grid,
    .stats-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .sectors-grid,
    .facility-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--sp-3);
    }

    .sector-card,
    .facility-card {
        min-height: 13rem;
        padding: var(--sp-4);
    }

    .sector-card img {
        margin-bottom: var(--sp-4);
    }

    .product-card-media {
        height: 15rem;
    }

    .about-media {
        min-height: 26rem;
    }

    .stat-card {
        border-right: 0;
        border-bottom: 1px solid color-mix(in srgb, var(--c-text-invert) 12%, transparent);
    }

    .stat-card:last-child {
        border-bottom: 0;
    }

    .quality-panel,
    .catalog-cta,
    .quote-cta {
        padding: var(--sp-6);
    }

    .element-box {
        width: 11rem;
    }

    .footer-bottom-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .floating-actions {
        right: var(--sp-4);
        bottom: var(--sp-4);
    }

    .lightbox-dialog {
        width: calc(100% - (var(--sp-4) * 2));
    }

    .lightbox-inner {
        padding: var(--sp-6);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }

    .hero-title > span,
    .hero-support,
    .js-animations .reveal-item {
        opacity: 1;
        transform: none;
    }
}