:root {
    --color-background: #ffffff;
    --color-surface: #f7f7f8;
    --color-accent: #c29b5f;
    --color-accent-dark: #a07d45;
    --color-text: #1f1f24;
    --color-muted: #60606b;
    --font-primary: "Helvetica Neue", Arial, sans-serif;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
    --radius-lg: 28px;
    --radius-md: 16px;
    --transition: 0.3s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

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

a:hover,
a:focus {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

main:focus {
    outline: none;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    z-index: 1000;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

.container {
    width: min(1100px, 92vw);
    margin: 0 auto;
}

.section {
    padding: 4rem 0;
}

.section-title {
    font-size: clamp(2.25rem, 5vw, 3rem);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.lead {
    font-size: 1.1rem;
    color: var(--color-muted);
    max-width: 60ch;
}

.muted {
    color: var(--color-muted);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.soft-shadow {
    box-shadow: var(--shadow-soft);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(31, 31, 36, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.logo {
    display: inline-flex;
    align-items: baseline;
    gap: 0.3rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-text);
}

.logo-mark {
    background: var(--color-accent);
    color: #fff;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    font-size: 0.8rem;
}

.logo-name {
    font-size: 1rem;
}

.nav-toggle {
    background: none;
    border: none;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.3rem;
    cursor: pointer;
    padding: 0.25rem;
}

.nav-toggle-line {
    width: 1.5rem;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition);
}

.site-nav {
    position: fixed;
    inset: 0 0 auto auto;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: -2px 0 12px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition);
}

.site-nav.open {
    right: 0;
}

.nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-muted);
}

.nav-link.active {
    color: var(--color-text);
}

.nav-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.hero {
    padding-top: 6rem;
}

.hero-grid {
    display: grid;
    gap: 3rem;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0 1.5rem;
}

.hero-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
    color: var(--color-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
    transition: background var(--transition), transform var(--transition);
}

.btn:hover,
.btn:focus-visible {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-outline:hover,
.btn-outline:focus-visible {
    background: rgba(194, 155, 95, 0.08);
    color: var(--color-accent-dark);
}

.link {
    font-weight: 600;
    color: var(--color-accent);
}

.card-grid {
    display: grid;
    gap: 2rem;
}

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-media img {
    border-radius: 0;
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.card-body {
    padding: 2rem;
    display: grid;
    gap: 1rem;
}

.section-accent {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-inline: auto;
}

.cta-grid {
    display: grid;
    gap: 1.5rem;
    align-items: center;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.two-column {
    display: grid;
    gap: 2.5rem;
    margin-top: 2.5rem;
}

.check-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.check-list li::before {
    content: '✓';
    color: var(--color-accent);
    margin-right: 0.75rem;
}

.masonry {
    column-count: 1;
    column-gap: 1.5rem;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.masonry-item img {
    width: 100%;
    height: auto;
    border-radius: 0;
}

.service-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.cta-center {
    margin-top: 2.5rem;
    text-align: center;
}

.form {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.6rem;
}

.form-group input,
.form-group textarea {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 31, 36, 0.12);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(194, 155, 95, 0.15);
    outline: none;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.alert.success {
    background: rgba(194, 155, 95, 0.12);
    color: var(--color-accent-dark);
}

.contact-details {
    margin-top: 2rem;
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.site-footer {
    padding: 3rem 0;
    background: #f4f4f6;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.1rem;
}

.footer-title {
    font-size: 1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

.whatsapp-fab {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: #25d366;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 18px 30px rgba(37, 211, 102, 0.3);
    transition: transform var(--transition);
}

.whatsapp-fab:hover,
.whatsapp-fab:focus-visible {
    transform: translateY(-4px);
}

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

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal.delay-1 {
    transition-delay: 0.15s;
}

.reveal.delay-2 {
    transition-delay: 0.3s;
}

.reveal.delay-3 {
    transition-delay: 0.45s;
}

@media (min-width: 640px) {
    .card-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .hero-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: center;
    }

    .cta-grid {
        grid-template-columns: 1.2fr 1fr;
    }

    .two-column {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: center;
    }

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

    .footer-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .site-nav {
        position: static;
        flex-direction: row;
        height: auto;
        width: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
        gap: 1.5rem;
        right: 0;
    }

    .nav-toggle {
        display: none;
    }

    .nav-link {
        color: var(--color-text);
        font-size: 0.95rem;
    }

    .nav-link.active {
        color: var(--color-accent);
    }
}

@media (min-width: 900px) {
    .service-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .masonry {
        column-count: 3;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}