:root {
    --bg: #050f24;
    --bg-alt: #0b2348;
    --card: #0f2142;
    --accent: #d6a83b;
    --accent-soft: #f3e2b4;
    --text: #f6f7fb;
    --muted: #9da8c2;
    --danger: #ff5c5c;
    --radius-lg: 18px;
    --radius-md: 12px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
    --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
    --nav-height: 76px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #182b4d 0, #050f24 52%, #020612 100%);
    color: var(--text);
    line-height: 1.6;
}

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

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

.container {
    width: min(1120px, 100% - 2.5rem);
    margin: 0 auto;
}

/* HEADER & NAV */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background: linear-gradient(to bottom, rgba(5, 11, 30, 0.96), rgba(5, 11, 30, 0.85));
    border-bottom: 1px solid rgba(214, 168, 59, 0.2);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    min-height: var(--nav-height);
}

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

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(214, 168, 59, 0.5);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--muted);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.75rem;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
}

.nav-menu a {
    position: relative;
    padding: 0.35rem 0;
    color: var(--muted);
}

.nav-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #f7e29c, #d6a83b);
    transition: width 0.2s ease-out;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    color: var(--text);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    width: 38px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid rgba(214, 168, 59, 0.6);
    background: rgba(8, 18, 42, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 99px;
    background: var(--accent);
    position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    border-radius: 99px;
    background: var(--accent);
}

.nav-toggle span::before {
    top: -5px;
}

.nav-toggle span::after {
    top: 5px;
}

/* HERO */

.hero {
    padding: 4rem 0 3rem;
    background: radial-gradient(circle at top left, rgba(214, 168, 59, 0.18), transparent 60%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
    gap: 2.5rem;
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    color: var(--accent-soft);
    margin-bottom: 0.5rem;
}

h1 {
    font-size: clamp(2rem, 3vw, 2.7rem);
    margin: 0 0 0.75rem;
}

.hero-subtitle {
    color: var(--muted);
    max-width: 34rem;
    margin-bottom: 1.25rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.hero-note {
    font-size: 0.8rem;
    color: var(--muted);
}

.hero-card {
    background: radial-gradient(circle at top, #233864, #0b1835);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 1.5rem 1.5rem 1.75rem;
    border: 1px solid rgba(214, 168, 59, 0.35);
}

.hero-logo {
    margin: 0 auto 1.25rem;
    width: 160px;
    filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.6));
}

.hero-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.92rem;
}

.hero-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
    color: var(--accent-soft);
}

.hero-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
}

/* SECTIONS */

.section {
    padding: 3.25rem 0;
}

.section-alt {
    background: radial-gradient(circle at top, rgba(13, 33, 73, 0.8), rgba(5, 10, 27, 0.98));
}

h2 {
    font-size: 1.7rem;
    margin: 0 0 0.4rem;
}

.section-intro {
    color: var(--muted);
    max-width: 40rem;
    margin-bottom: 1.8rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.4rem;
}

.cards-grid.three {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
    background: linear-gradient(145deg, rgba(12, 24, 52, 0.98), rgba(10, 19, 40, 0.98));
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.5rem 1.5rem;
    border: 1px solid rgba(214, 168, 59, 0.26);
    box-shadow: var(--shadow-card);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 1.1rem;
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0;
    font-size: 0.9rem;
    color: var(--muted);
}

.card-list li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.45rem;
}

.card-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 1.8rem;
    align-items: flex-start;
}

.split-center {
    align-items: center;
}

.highlight-box {
    background: radial-gradient(circle at top left, rgba(214, 168, 59, 0.2), rgba(11, 22, 49, 0.98));
    border-radius: var(--radius-lg);
    padding: 1.3rem 1.4rem;
    border: 1px solid rgba(214, 168, 59, 0.35);
    box-shadow: var(--shadow-card);
    font-size: 0.92rem;
    color: var(--accent-soft);
}

.checklist {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    font-size: 0.94rem;
}

.checklist li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.45rem;
    color: var(--muted);
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.adhesion-box {
    background: linear-gradient(140deg, rgba(214, 168, 59, 0.12), rgba(8, 18, 42, 0.98));
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.5rem;
    border: 1px solid rgba(214, 168, 59, 0.7);
    box-shadow: var(--shadow-card);
}

.adhesion-price {
    font-weight: 600;
    margin-bottom: 0.9rem;
}

.adhesion-note {
    font-size: 0.86rem;
    color: var(--muted);
    margin-top: 0.6rem;
}

/* CONTACT */

.contact-info p {
    margin: 0.4rem 0;
    font-size: 0.95rem;
}

.contact-info a {
    color: var(--accent-soft);
    text-decoration: underline;
    text-decoration-color: rgba(214, 168, 59, 0.7);
}

.contact-form {
    background: rgba(7, 16, 36, 0.96);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.5rem;
    border: 1px solid rgba(214, 168, 59, 0.3);
    box-shadow: var(--shadow-card);
    font-size: 0.9rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

label {
    font-size: 0.85rem;
    color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    border-radius: var(--radius-md);
    border: 1px solid rgba(122, 135, 168, 0.7);
    background: rgba(6, 14, 34, 0.95);
    color: var(--text);
    padding: 0.55rem 0.65rem;
    font-size: 0.9rem;
    outline: none;
}

input:focus-visible,
textarea:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(214, 168, 59, 0.6);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.65rem;
}

/* BUTTONS */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, background 0.12s ease-out, border-color 0.12s ease-out;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #f7e29c, #d6a83b);
    color: #231803;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.45);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
    filter: brightness(1.05);
}

.btn-outline {
    border-color: rgba(214, 168, 59, 0.7);
    color: var(--accent-soft);
    background: rgba(7, 16, 36, 0.9);
}

.btn-outline:hover {
    background: rgba(214, 168, 59, 0.15);
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
}

/* FOOTER */

.site-footer {
    border-top: 1px solid rgba(214, 168, 59, 0.22);
    padding: 1rem 0 1.4rem;
    background: linear-gradient(to top, #040815, rgba(4, 8, 18, 0.95));
    font-size: 0.8rem;
    color: var(--muted);
}

.footer-layout {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    align-items: center;
}

.footer-links a {
    color: var(--accent-soft);
    text-decoration: underline;
    text-decoration-color: rgba(214, 168, 59, 0.7);
}

/* RESPONSIVE */

@media (max-width: 800px) {
    .nav-menu {
        position: absolute;
        inset-inline: 0;
        top: var(--nav-height);
        background: rgba(5, 11, 30, 0.98);
        padding: 0.6rem 1.3rem 0.9rem;
        flex-direction: column;
        gap: 0.4rem;
        border-bottom: 1px solid rgba(214, 168, 59, 0.22);
        transform-origin: top;
        transform: scaleY(0);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.18s ease-out, opacity 0.18s ease-out;
    }

    .nav-menu.open {
        transform: scaleY(1);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: inline-flex;
    }
}

@media (max-width: 880px) {
    .hero-grid,
    .split {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 3.4rem;
    }

    .hero-card {
        order: -1;
    }
}

@media (max-width: 600px) {
    .container {
        width: min(100% - 1.5rem, 100%);
    }

    .hero-card {
        padding: 1.1rem 1.1rem 1.3rem;
    }

    .section {
        padding: 2.5rem 0;
    }
}