:root {
    --navy: #0F1B2D;
    --navy-deep: #0A1320;
    --accent: #E8472C;
    --accent-dark: #C73A22;
    --ink: #1F2A37;
    --muted: #5A6573;
    --line: #E5E8EC;
    --bg-alt: #F6F7F9;
    --white: #FFFFFF;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }

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

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 10;
    padding: 1.25rem 0;
}
.site-header .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    color: var(--white);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
}
.brand:hover { color: var(--white); text-decoration: none; }
.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.primary-nav a {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 400;
}
.primary-nav a:hover { color: var(--white); text-decoration: none; }
.primary-nav .nav-cta {
    background: var(--accent);
    color: var(--white);
    padding: 0.55rem 1rem;
    border-radius: 4px;
    font-weight: 600;
}
.primary-nav .nav-cta:hover { background: var(--accent-dark); }

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--navy) url('../img/superior.jpg?v=2') center/cover no-repeat;
    color: var(--white);
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(15,27,45,0.75) 0%, rgba(15,27,45,0.55) 100%);
}
@media (prefers-reduced-motion: reduce) {
    .hero-video { display: none; }
}
.hero-content {
    position: relative;
    z-index: 1;
    padding: 6rem 1.5rem 4rem;
    max-width: 760px;
}
.hero h1 {
    font-weight: 700;
    font-size: clamp(2.25rem, 6vw, 4rem);
    line-height: 1.1;
    margin: 0 0 1.25rem;
    letter-spacing: -0.01em;
}
.lede {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    font-weight: 300;
    margin: 0 0 2rem;
    max-width: 600px;
    opacity: 0.95;
}

/* Buttons */
.cta-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.btn {
    display: inline-block;
    padding: 0.85rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--white); }
.btn-ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: var(--white); }

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark .section-lede,
.section-dark .muted { color: rgba(255,255,255,0.85); }
.section-dark a { color: var(--white); }

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: inherit;
    letter-spacing: -0.01em;
}
.section-lede {
    font-size: 1.15rem;
    color: var(--muted);
    margin: 0 0 2.5rem;
    max-width: 680px;
}

/* Cards / grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}
.card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1.5rem;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.card:hover {
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(15, 27, 45, 0.08);
    transform: translateY(-2px);
}
.card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--navy);
}
.card p { margin: 0; color: var(--muted); }

/* Contact form */
.contact-form-wrap { max-width: 640px; margin: 0 auto; }

.alert {
    padding: 0.85rem 1rem;
    border-radius: 4px;
    margin: 0 0 1.5rem;
    font-size: 0.95rem;
}
.alert-success {
    background: rgba(46, 160, 67, 0.15);
    border: 1px solid rgba(46, 160, 67, 0.5);
    color: #d6f5dc;
}
.alert-error {
    background: rgba(232, 71, 44, 0.15);
    border: 1px solid rgba(232, 71, 44, 0.6);
    color: #ffd8cf;
}

.contact-form .field {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.1rem;
}
.contact-form label {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: rgba(255,255,255,0.92);
}
.contact-form .optional {
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 4px;
    color: var(--white);
    padding: 0.7rem 0.85rem;
    font: inherit;
    transition: border-color 0.15s, background 0.15s;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.1);
}
.contact-form input:user-invalid,
.contact-form textarea:user-invalid {
    border-color: #e76b6b;
    background: rgba(231,107,107,0.08);
}
.contact-form input:user-invalid:focus,
.contact-form textarea:user-invalid:focus {
    border-color: #e76b6b;
    background: rgba(231,107,107,0.12);
}
.contact-form textarea {
    resize: vertical;
    min-height: 130px;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.45);
}

/* Honeypot — invisible to humans, visible to (some) bots */
.hp-field {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-actions {
    margin-top: 1.5rem;
    text-align: center;
}
.form-actions .btn {
    min-width: 200px;
    cursor: pointer;
}

/* Footer */
.site-footer {
    background: var(--navy-deep);
    color: rgba(255,255,255,0.7);
    padding: 2rem 0;
}
.footer-inner p { margin: 0.25rem 0; }
.site-footer a { color: rgba(255,255,255,0.85); }

.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

/* Mobile */
@media (max-width: 640px) {
    .primary-nav { gap: 0.75rem; }
    .primary-nav a:not(.nav-cta) { display: none; }
    .hero-content { padding-top: 5rem; }
    .section { padding: 3.5rem 0; }
}