:root {
    --bg: #050505;
    --bg-elevated: #121212;
    --bg-panel: rgba(20, 20, 20, 0.85);
    --text: #f2f2f2;
    --text-muted: #a8a8a8;
    --silver: #c8ccd2;
    --accent: #ff8c00;
    --accent-soft: #ffb000;
    --accent-deep: #e65c00;
    --line: rgba(255, 140, 0, 0.28);
    --border: rgba(255, 255, 255, 0.08);
    --radius: 4px;
    --font-display: "Syne", sans-serif;
    --font-body: "Outfit", sans-serif;
    --container: 1120px;
    --header-h: 72px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 10% -10%, rgba(255, 140, 0, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 20%, rgba(255, 176, 0, 0.06), transparent 50%),
        linear-gradient(180deg, #050505 0%, #0a0a0a 45%, #080808 100%);
}

.page-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(30deg, transparent 48%, rgba(255, 140, 0, 0.04) 49%, rgba(255, 140, 0, 0.04) 51%, transparent 52%),
        linear-gradient(-30deg, transparent 48%, rgba(255, 255, 255, 0.02) 49%, rgba(255, 255, 255, 0.02) 51%, transparent 52%);
    background-size: 70px 120px;
}

.page-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.2;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='52' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 15v22L30 52 0 37V15z' fill='none' stroke='%23ff8c00' stroke-opacity='.12' stroke-width='.6'/%3E%3C/svg%3E");
    background-size: 60px 52px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 70%);
}

.container {
    width: min(100% - 2.5rem, var(--container));
    margin-inline: auto;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--header-h);
    backdrop-filter: blur(14px);
    background: rgba(5, 5, 5, 0.72);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
}

.brand-logo--nav {
    height: 42px;
    width: 42px;
    object-fit: contain;
}

.brand-wordmark {
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1;
}

.brand-wordmark__zuk {
    background: linear-gradient(135deg, var(--accent-deep), var(--accent-soft));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.15rem;
}

.brand-wordmark__digital {
    color: var(--silver);
    font-size: 1.15rem;
    font-weight: 700;
}

.brand-wordmark--hero {
    gap: 0.45rem;
}

.brand-wordmark--hero .brand-wordmark__zuk,
.brand-wordmark--hero .brand-wordmark__digital {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.brand-wordmark--footer .brand-wordmark__zuk,
.brand-wordmark--footer .brand-wordmark__digital {
    font-size: 1.05rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.35rem;
}

.site-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--silver);
    letter-spacing: 0.01em;
    transition: color 0.2s ease;
}

.site-nav a:hover {
    color: var(--accent-soft);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: var(--radius);
    padding: 0;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn--sm {
    padding: 0.55rem 1.1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    color: #111 !important;
    border: none;
}

.btn--sm:hover {
    color: #111 !important;
    box-shadow: 0 0 24px rgba(255, 140, 0, 0.35);
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent-deep), var(--accent) 45%, var(--accent-soft));
    color: #111;
    border: none;
    box-shadow: 0 8px 28px rgba(255, 140, 0, 0.22);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(255, 140, 0, 0.35);
}

.btn--full {
    width: 100%;
}

.btn--ghost {
    background: transparent;
    color: var(--silver);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent-soft);
    transform: translateY(-2px);
}

/* Hero */
.hero {
    position: relative;
    min-height: calc(100vh - var(--header-h));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4rem 0 5rem;
}

.hero-glow {
    position: absolute;
    left: 50%;
    bottom: -20%;
    width: min(900px, 120vw);
    height: 420px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(255, 140, 0, 0.22), transparent 65%);
    filter: blur(10px);
    pointer-events: none;
}

.hero-glow::before {
    content: "";
    position: absolute;
    inset: 20% 30% auto;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.7;
}

.hero-inner {
    position: relative;
    text-align: center;
    max-width: 720px;
}

.hero-logo {
    width: min(200px, 48vw);
    height: auto;
    margin: 0 auto 1.25rem;
    filter: drop-shadow(0 12px 40px rgba(255, 140, 0, 0.28));
}

.hero-brand {
    margin: 0 0 1rem;
}

.hero-title {
    margin: 0 0 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4.2vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text);
}

.hero-lead {
    margin: 0 auto 2rem;
    max-width: 34rem;
    color: var(--text-muted);
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    font-weight: 300;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}

/* Sections */
.section {
    padding: 5.5rem 0;
}

.section-head {
    text-align: center;
    max-width: 36rem;
    margin: 0 auto 3rem;
}

.section-head--left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.section-eyebrow {
    margin: 0 0 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
}

.section-title {
    margin: 0 0 0.85rem;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-desc {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.05rem;
    font-weight: 300;
}

/* Services */
.services {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(18, 18, 18, 0.55), rgba(5, 5, 5, 0.2));
}

.services-list {
    display: grid;
    gap: 0;
}

.service-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem 2rem;
    align-items: start;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

.service-item:last-child {
    border-bottom: 1px solid var(--border);
}

.service-index {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.06em;
    padding-top: 0.2rem;
}

.service-body h3 {
    margin: 0 0 0.6rem;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
}

.service-body p {
    margin: 0;
    color: var(--text-muted);
    max-width: 46rem;
    font-weight: 300;
}

.service-bullets {
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem 1.5rem;
    max-width: 46rem;
}

.service-bullets li {
    position: relative;
    padding-left: 1rem;
    color: var(--silver);
    font-size: 0.92rem;
    font-weight: 400;
}

.service-bullets li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.15fr;
    gap: 3rem;
    align-items: start;
}

.about-copy p {
    margin: 0 0 1rem;
    color: var(--text-muted);
    font-weight: 300;
    font-size: 1.05rem;
}

.about-points {
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.7rem;
}

.about-points li {
    padding: 0.85rem 1rem;
    border-left: 2px solid var(--accent);
    background: rgba(255, 255, 255, 0.02);
    color: var(--silver);
    font-size: 0.95rem;
}

/* Process */
.process-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.process-step {
    display: grid;
    gap: 0.85rem;
    padding: 1.4rem 1.2rem;
    border-top: 2px solid var(--accent);
    background: rgba(255, 255, 255, 0.02);
}

.process-num {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
}

.process-step h3 {
    margin: 0 0 0.4rem;
    font-family: var(--font-display);
    font-size: 1.1rem;
}

.process-step p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

/* Why */
.why {
    border-top: 1px solid var(--border);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.why-item {
    padding: 1.5rem 0 0;
    border-top: 1px solid var(--border);
}

.why-item h3 {
    margin: 0 0 0.6rem;
    font-family: var(--font-display);
    font-size: 1.15rem;
}

.why-item p {
    margin: 0;
    color: var(--text-muted);
    font-weight: 300;
}

.contact-meta {
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.75rem;
    color: var(--silver);
    font-size: 0.95rem;
}

.contact-meta li {
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    gap: 0.5rem;
    align-items: baseline;
}

.contact-meta__label {
    color: var(--text-muted);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.contact-meta a {
    color: var(--accent-soft);
}

.contact-meta a:hover {
    text-decoration: underline;
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* FAQ */
.faq {
    border-top: 1px solid var(--border);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    padding: 0;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.1rem 1.25rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    color: var(--accent);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "–";
}

.faq-item p {
    margin: 0;
    padding: 0 1.25rem 1.2rem;
    color: var(--text-muted);
    font-weight: 300;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    justify-content: center;
    margin: 0.25rem 0;
}

.footer-links a {
    color: var(--silver);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-soft);
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 60;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #25d366;
    color: #fff;
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

.whatsapp-float:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 14px 34px rgba(37, 211, 102, 0.45);
}

.whatsapp-float:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

@keyframes whatsappPulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45); }
    70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-float {
    animation: whatsappPulse 2.4s ease-out infinite;
}

@media (max-width: 720px) {
    .whatsapp-float {
        right: 1rem;
        bottom: 1rem;
        width: 54px;
        height: 54px;
    }
}

/* Clients */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.25rem;
}

.client-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    padding: 1.35rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.92);
    transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.client-item img {
    max-height: 64px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(0.35);
    opacity: 0.9;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.client-item:hover {
    border-color: var(--line);
    background: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
}

.client-item:hover img {
    filter: none;
    opacity: 1;
}

.clients-empty {
    text-align: center;
    color: var(--text-muted);
    margin: 0;
}

/* Contact */
.contact {
    background:
        linear-gradient(180deg, transparent, rgba(255, 140, 0, 0.04) 40%, transparent),
        rgba(10, 10, 10, 0.6);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
    align-items: start;
}

.contact-panel {
    padding: 2rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
}

.contact-form {
    display: grid;
    gap: 1.15rem;
}

.field label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--silver);
}

.field input,
.field textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.15);
}

.field textarea {
    resize: vertical;
    min-height: 140px;
}

.alert {
    padding: 0.9rem 1rem;
    margin-bottom: 1.25rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.alert ul {
    margin: 0;
    padding-left: 1.1rem;
}

.alert--success {
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid rgba(40, 167, 69, 0.4);
    color: #9fe3b0;
}

.alert--error {
    background: rgba(220, 53, 69, 0.12);
    border: 1px solid rgba(220, 53, 69, 0.35);
    color: #f2b4bb;
}

/* Footer */
.site-footer {
    padding: 3rem 0 2.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

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

.brand-logo--footer {
    height: 52px;
    width: 52px;
    opacity: 0.95;
}

.footer-tagline {
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.footer-url {
    margin: 0;
    font-size: 0.95rem;
    color: var(--silver);
}

.footer-url a:hover {
    color: var(--accent-soft);
}

.footer-copy {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Motion */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.32s; }

@keyframes heroPulse {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
}

.hero-glow {
    animation: heroPulse 5s ease-in-out infinite;
}

@media (max-width: 860px) {
    .contact-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .section-head--left {
        text-align: center;
        margin-inline: auto;
    }

    .contact-meta li {
        grid-template-columns: 1fr;
        gap: 0.15rem;
        justify-items: center;
    }

    .contact-actions {
        justify-content: center;
    }

    .process-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .service-bullets {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem 1.25rem 1.25rem;
        background: rgba(8, 8, 8, 0.96);
        border-bottom: 1px solid var(--border);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        padding: 0.85rem 0.25rem;
        border-bottom: 1px solid var(--border);
    }

    .site-nav .btn--sm {
        margin-top: 0.75rem;
        text-align: center;
        border-bottom: none;
    }

    .hero {
        min-height: calc(100vh - var(--header-h));
        padding: 3rem 0 4rem;
    }

    .service-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .process-list {
        grid-template-columns: 1fr;
    }

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

    .brand-wordmark__zuk,
    .brand-wordmark__digital {
        font-size: 1rem;
    }
}
