/* =========================================================
   Softcontext — Design tokens
   ========================================================= */

:root {
    --navy: #051c44;
    --sky: #00afef;
    --sky-soft: color-mix(in srgb, var(--sky) 14%, transparent);
    --sky-border: color-mix(in srgb, var(--sky) 35%, transparent);

    --bg: #0d1117;
    --bg-deep: #0a0f18;
    --card: #121a28;
    --text: #f4f4f4;
    --muted: #b5bcc7;
    --accent: var(--sky);
    --accent-strong: var(--navy);
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 28px 60px rgba(0, 0, 0, 0.45);
}

body.light {
    --bg: #f4f8fb;
    --bg-deep: #e8eef5;
    --card: #ffffff;
    --text: #051c44;
    --muted: #5a6578;
    --border: rgba(5, 28, 68, 0.1);
    --shadow: 0 16px 40px rgba(5, 28, 68, 0.08);
    --shadow-hover: 0 24px 50px rgba(5, 28, 68, 0.14);
    --sky-soft: color-mix(in srgb, var(--sky) 12%, white);
    --sky-border: color-mix(in srgb, var(--sky) 40%, transparent);
}

/* =========================================================
   Base
   ========================================================= */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font:
        16px Inter,
        Arial,
        sans-serif;
    background: linear-gradient(180deg, var(--bg), var(--bg-deep));
    color: var(--text);
}

body.light {
    background: linear-gradient(180deg, var(--bg), var(--bg-deep));
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: "Nunito", sans-serif;
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.logo-text:hover {
    text-decoration: none;
}

.logo-text__soft {
    color: #fff;
}

body.light .logo-text__soft {
    color: #051c44;
}

.logo-text__context {
    color: #00afef;
}

.logo-sm {
    width: 36px;
    height: 36px;
}

.logo-md {
    width: 55px;
    height: 55px;
}

.product-brand img.logo-md {
    flex-shrink: 0;
    object-fit: contain;
}

.card.vlac .product-brand img.logo-md {
    width: 64px;
    height: 55px;
    object-fit: contain;
}

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

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.language-select {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin: 0;
}

.language-select__icon {
    position: absolute;
    left: 0.85rem;
    width: 16px;
    height: 16px;
    color: var(--sky);
    pointer-events: none;
    z-index: 1;
}

.language-select select {
    appearance: none;
    -webkit-appearance: none;
    min-width: 5.5rem;
    height: 42px;
    padding: 0 2.25rem 0 2.35rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background-color: var(--card);
    background-image:
        linear-gradient(45deg, transparent 50%, var(--muted) 50%),
        linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position:
        calc(100% - 18px) 18px,
        calc(100% - 12px) 18px;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.language-select select:hover,
.language-select select:focus {
    border-color: var(--sky-border);
    outline: none;
    box-shadow: 0 0 0 3px var(--sky-soft);
}

.language-select select option {
    background: var(--card);
    color: var(--text);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--sky);
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transition:
        border-color 0.2s ease,
        background 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.theme-toggle:hover {
    border-color: var(--sky-border);
    box-shadow: 0 0 0 3px var(--sky-soft);
    transform: translateY(-1px);
}

.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--sky-soft);
}

.theme-icon {
    width: 18px;
    height: 18px;
    display: none;
}

body:not(.light) .theme-icon--moon,
body.light .theme-icon--sun {
    display: block;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 50px 0 73px 0;
    align-items: center;
}

.pill {
    background: var(--sky-soft);
    color: var(--sky);
    padding: 8px 14px;
    border-radius: 99px;
    border: 1px solid var(--sky-border);
    font-size: 0.85rem;
    font-weight: 600;
}

.hero h1 {
    font-size: 58px;
}

.hero h1 span {
    color: var(--sky);
}

.hero p {
    color: var(--muted);
    line-height: 1.7;
    max-width: 36rem;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
    display: inline-block;
    padding: 12px 22px;
    border: 1px solid var(--sky-border);
    border-radius: 99px;
    color: var(--text);
    text-decoration: none;
    margin-right: 12px;
    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}

.btn:hover {
    border-color: var(--sky);
    text-decoration: none;
    color: var(--text);
}

.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.primary:hover {
    background: color-mix(in srgb, var(--sky) 85%, var(--navy));
    border-color: transparent;
    color: #fff;
}

.btn--vlac {
    background: #e45757;
    border-color: #e45757;
    color: #fff;
}

.btn--vlac:hover {
    background: color-mix(in srgb, #e45757 82%, #051c44);
    border-color: transparent;
    color: #fff;
}

button.btn {
    cursor: pointer;
    font: inherit;
}

/* =========================================================
   Contact dialog
   ========================================================= */

.contact-dialog {
    padding: 0;
    border: none;
    border-radius: 24px;
    background: transparent;
    color: var(--text);
    max-width: min(560px, calc(100vw - 2rem));
    width: 100%;
}

.contact-dialog::backdrop {
    background: rgba(5, 28, 68, 0.72);
    backdrop-filter: blur(4px);
}

.contact-dialog__panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-hover);
    padding: 1.75rem;
}

.contact-dialog__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-dialog__header h2 {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
}

.contact-dialog__header p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.contact-dialog__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    flex-shrink: 0;
    transition:
        border-color 0.2s ease,
        color 0.2s ease,
        background 0.2s ease;
}

.contact-dialog__close:hover {
    color: var(--text);
    border-color: var(--sky-border);
    background: var(--sky-soft);
}

.contact-dialog__close svg {
    width: 16px;
    height: 16px;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form label {
    display: grid;
    gap: 0.45rem;
}

.contact-form label span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 70%, transparent);
    color: var(--text);
    font: inherit;
    resize: vertical;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--sky-border);
    box-shadow: 0 0 0 3px var(--sky-soft);
}

.contact-form .btn {
    margin: 0.5rem 0 0;
    justify-self: start;
    border: none;
}

@media (max-width: 600px) {
    .contact-form__row {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   Hero illustration
   ========================================================= */

.screen {
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
    border-radius: 0;
}

.bars {
    height: 340px;
    width: 85%;
    margin: 0 auto;
    display: flex;
    align-items: flex-end;
    gap: 16px;
}

.bars div {
    flex: 1;
    height: var(--h, 50%);
    background: linear-gradient(180deg, var(--sky), var(--navy));
    border-radius: 10px 10px 0 0;
    transform: scaleY(0.5);
    transform-origin: bottom center;
    animation: bar-rise 4.2s cubic-bezier(0.33, 0.1, 0.2, 1) forwards;
}

.bars div:nth-child(1) {
    --h: 45%;
    animation-delay: 0.15s;
}

.bars div:nth-child(2) {
    --h: 75%;
    animation-delay: 0.45s;
}

.bars div:nth-child(3) {
    --h: 65%;
    animation-delay: 0.75s;
}

.bars div:nth-child(4) {
    --h: 80%;
    animation-delay: 1.05s;
}

.bars div:nth-child(5) {
    --h: 65%;
    animation-delay: 1.35s;
}

@keyframes bar-rise {
    from {
        transform: scaleY(0.5);
    }
    to {
        transform: scaleY(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bars div {
        transform: none;
        animation: none;
    }
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 50px 0;
}

.section-title {
    margin: 0.5rem 0 0;
}

.section-title h4 {
    margin: 0 0 10px;
}

.region {
    color: var(--sky);
}

.center {
    text-align: center;
    padding: 60px 0;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.feature {
    background: var(--card);
    padding: 20px;
    border-radius: 14px;
    border: 1px solid var(--border);
}

/* =========================================================
   Product cards
   ========================================================= */

.cards.grid {
    padding-top: 1.25rem;
}

.cards .card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 2.5rem;
    border-radius: 24px;
    background: var(--card);
    border: 1px solid var(--border);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.cards .card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--sky-border);
}

.cards .card.coluna {
    border-color: color-mix(in srgb, var(--sky) 28%, var(--border));
}

.cards .card.vlac {
    border-color: color-mix(in srgb, #d96b6b 28%, var(--border));
}

.cards .card.featured {
    border-color: color-mix(in srgb, var(--sky) 40%, var(--border));
}

.cards .card-header {
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
}

.product-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.product-brand__text {
    display: grid;
    gap: 0;
    min-width: 0;
}

.cards .card .product-brand__text h3 {
    margin: 0 0 2px;
    font-family: "Nunito", sans-serif;
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
}

.cards .card .product-brand__text .tag {
    margin: 0;
    line-height: 1.2;
    font-size: 0.88rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: var(--sky-soft);
    color: var(--sky);
    border: 1px solid var(--sky-border);
    margin-bottom: 1rem;
}

.cards .card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.cards .card h4 {
    margin: 0;
    color: var(--text);
}

.tag {
    color: var(--muted);
    margin: 0;
    font-size: 0.95rem;
}

.description {
    margin: 1.5rem 0;
    line-height: 1.7;
    color: var(--muted);
}

.feature-tiles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
    margin: 1rem 0 0.25rem;
    flex: 1;
}

.feature-tile {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 0.7rem;
    min-height: 0;
    padding: 0.55rem 0.8rem;
    border-radius: 12px;
    text-align: left;
    background: color-mix(in srgb, var(--tile-color, var(--sky)) 8%, var(--card));
    border: 1px solid color-mix(in srgb, var(--tile-color, var(--sky)) 38%, transparent);
}

.card.coluna .feature-tile {
    --tile-color: #00afef;
}

.card.vlac .feature-tile {
    --tile-color: #d96b6b;
}

.feature-tile__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.85rem;
    height: 1.85rem;
    flex-shrink: 0;
    border-radius: 8px;
    color: var(--tile-color, var(--sky));
    background: color-mix(in srgb, var(--tile-color, var(--sky)) 14%, transparent);
}

.feature-tile__icon svg {
    width: 1rem;
    height: 1rem;
}

.feature-tile > span:not(.feature-tile__icon) {
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.3;
    color: var(--text);
}

.cards .card .btn {
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
}

/* =========================================================
   Site footer
   ========================================================= */

.site-footer {
    margin-top: 3rem;
    padding: 2.5rem 0 2rem;
    border-top: 1px solid var(--border);
}

.site-footer__top {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr);
    gap: 2rem 3rem;
    align-items: start;
    padding-bottom: 1.75rem;
}

.site-footer__brand p {
    margin: 0.85rem 0 0;
    max-width: 28rem;
    color: var(--muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

.logo-text--sm {
    font-size: 1.25rem;
    pointer-events: none;
}

.site-footer__meta {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1.5rem;
    align-items: start;
}

.site-footer__item {
    display: grid;
    gap: 0.35rem;
}

.site-footer__item strong {
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--sky);
}

.site-footer__item span,
.site-footer__item a {
    color: var(--muted);
    line-height: 1.55;
    text-decoration: none;
    font-size: 0.95rem;
}

.site-footer__item a:hover {
    color: var(--sky);
}

.site-footer__social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card);
    transition:
        border-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.site-footer__social:hover {
    border-color: var(--sky-border);
    box-shadow: 0 0 0 3px var(--sky-soft);
    transform: translateY(-1px);
}

.site-footer__bottom {
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.85rem;
}

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

@media (max-width: 900px) {
    .hero,
    .grid,
    .features {
        grid-template-columns: 1fr;
    }

    .hero {
        gap: 28px;
        padding: 28px 0 40px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .illustration {
        max-width: 368px;
        margin: 0 auto;
        width: 100%;
    }

    .bars {
        height: 207px;
        gap: 10px;
    }

    .bars div {
        border-radius: 8px 8px 0 0;
    }

    .feature-tiles {
        grid-template-columns: 1fr 1fr;
    }

    .site-footer__top,
    .site-footer__meta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .illustration {
        max-width: 299px;
    }

    .bars {
        height: 173px;
        gap: 8px;
    }

    .hero h1 {
        font-size: 34px;
    }
}