:root {
    --color-text: #1a1f2e;
    --color-text-muted: #4a5568;
    --color-bg: #ffffff;
    --color-bg-soft: #f7f8fa;
    --color-bg-warm: #faf9f7;
    --color-accent: #e67e22;
    --color-accent-dark: #c96a14;
    --color-accent-soft: #fef3e6;
    --color-border: #e2e8f0;
    --color-dark: #0f1419;
    --shadow-sm: 0 1px 3px rgba(15, 20, 25, 0.06);
    --shadow-md: 0 4px 20px rgba(15, 20, 25, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 20, 25, 0.1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.loaded {
    opacity: 1;
}

/* Navigation */
.site-nav {
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.6rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.site-nav .navbar-brand img {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.brand-lockup {
    align-items: center;
    display: inline-flex;
    gap: 14px;
}

.brand-lockup__niceic {
    height: 44px;
    width: auto;
}

.site-nav .nav-link {
    color: var(--color-text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

.site-nav .nav-link:hover,
.site-nav .nav-link:focus,
.site-nav .nav-link.active,
.site-nav .site-nav__link.active {
    color: var(--color-accent) !important;
}

.site-nav .navbar-toggler {
    border-color: var(--color-border);
    padding: 0.4rem 0.6rem;
}

.site-nav .navbar-toggler:focus {
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.btn-nav-call {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.1rem;
    background: var(--color-dark);
    color: #fff !important;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: 2px solid var(--color-dark);
    transition: background 0.2s, color 0.2s, transform 0.15s;
    white-space: nowrap;
}

.btn-nav-call:hover,
.btn-nav-call:focus {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff !important;
    transform: translateY(-1px);
}

/* Footer */
footer {
    background-color: var(--color-dark);
    color: #e2e8f0;
    padding: 3.5rem 0 0;
    margin-top: 0;
}

footer h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

footer img.footerImage {
    width: 160px;
    height: auto;
    object-fit: contain;
    margin: 0 0 1rem;
    display: block;
}

footer p {
    text-align: left;
    font-size: 0.9rem;
    padding: 0;
    margin: 0 0 0.5rem;
    color: #94a3b8;
    line-height: 1.5;
}

footer .footer-tagline {
    font-size: 0.85rem;
    max-width: 220px;
}

footer a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-col {
    margin-bottom: 2rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 1rem;
    padding: 1.25rem 0;
    text-align: center;
}

.footer-bottom p {
    text-align: center;
    font-size: 0.8rem;
    color: #64748b;
    margin: 0;
}

.message {
    color: #dc2626;
    font-size: 0.9rem;
    margin-top: 0.75rem;
}

.message.success {
    color: #16a34a;
}

/* Sticky mobile CTA bar */
.mobile-cta-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: #fff;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(15, 20, 25, 0.1);
    padding: 0.6rem 0.75rem calc(0.6rem + env(safe-area-inset-bottom, 0px));
    gap: 0.5rem;
    transition: transform 0.25s ease;
}

.mobile-cta-bar.is-hidden {
    transform: translateY(110%);
    pointer-events: none;
}

.mobile-cta-bar a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.75rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: transform 0.15s, opacity 0.15s;
}

.mobile-cta-bar a:active {
    transform: scale(0.98);
}

.mobile-cta-call {
    background: var(--color-dark);
    color: #fff;
}

.mobile-cta-whatsapp {
    background: #25d366;
    color: #fff;
}

.mobile-cta-callback {
    background: var(--color-accent-soft);
    color: var(--color-accent-dark);
    border: 1px solid rgba(230, 126, 34, 0.3);
}

@media (max-width: 767px) {
    .mobile-cta-bar {
        display: flex;
    }

    body.has-mobile-cta {
        padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    }
}

/* Shared button styles */
.btn-primary-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    background: var(--color-dark);
    color: #fff;
    border: 2px solid var(--color-dark);
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-primary-cta:hover,
.btn-primary-cta:focus {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    background: #25d366;
    color: #fff;
    border: 2px solid #25d366;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-secondary-cta:hover,
.btn-secondary-cta:focus {
    background: #1fb855;
    border-color: #1fb855;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.btn-outline-cta:hover,
.btn-outline-cta:focus {
    background: var(--color-bg-soft);
    border-color: var(--color-text);
    color: var(--color-text);
    transform: translateY(-2px);
}

/* Section utilities */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-intro {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 640px;
    margin-bottom: 0;
}

.site-section {
    padding: 4.5rem 0;
}

.site-section--compact {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.site-section--soft {
    background: var(--color-bg-soft);
}

.site-section--warm {
    background: var(--color-bg-warm);
}

/* Callback modal */
.callback-modal .modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.callback-modal .modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem 1.5rem;
}

.callback-modal .modal-body {
    padding: 1.5rem;
}

.callback-modal .modal-title {
    font-weight: 700;
}

.callback-modal .form-label {
    font-weight: 500;
    font-size: 0.9rem;
}

.callback-modal .btn-submit-callback {
    width: 100%;
    padding: 0.85rem;
    background: var(--color-dark);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: background 0.2s;
}

.callback-modal .btn-submit-callback:hover,
.callback-modal .btn-submit-callback:focus {
    background: var(--color-accent);
}

.callback-modal .form-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
}

.photo-preview-list {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}

.photo-preview-item {
    align-items: center;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    font-size: 0.85rem;
    gap: 10px;
    justify-content: space-between;
    padding: 10px 12px;
}

.photo-preview-item__name {
    color: var(--color-text);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.photo-preview-item__size {
    color: var(--color-text-muted);
    flex: 0 0 auto;
}