/* ===== Brand & Layout ===== */
:root {
    --color-primary: #e63946;
    --color-primary-hover: #c92f3c;
    --color-wa: #25d366;
    --color-wa-hover: #20bd5a;
    --color-insta: #E1306C;
    --color-dark: #111;
    --color-footer: #222;
    --color-text: #333;
    --color-text-muted: #555;
    --color-bg: #fafafa;
    --color-card: #fff;
    --color-star: #f5c542;
    --color-price: #e63946;
    --font: "DM Sans", system-ui, sans-serif;
    --section-gap: 64px;
    --radius: 14px;
}

/* ===== Dark Mode ===== */
html.dark-mode {
    --color-bg: #1a1a1c;
    --color-text: #e8e8e8;
    --color-text-muted: #a0a0a0;
    --color-card: #252528;
    --color-footer: #0d0d0f;
    --color-dark: #1e1e22;
}
html.dark-mode header.navbar-scrolled {
    background: rgba(30, 30, 34, 0.92);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}
html.dark-mode header.navbar-scrolled .nav-link { color: var(--color-text); }
html.dark-mode header.navbar-scrolled .lang-btn,
html.dark-mode header.navbar-scrolled .dark-mode-btn {
    color: var(--color-text); border-color: rgba(255, 255, 255, 0.2);
}
html.dark-mode header.navbar-scrolled .lang-btn:hover,
html.dark-mode header.navbar-scrolled .dark-mode-btn:hover {
    background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.35);
}
html.dark-mode .bike { box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25); }
html.dark-mode .coming { background: #2a2022; }
html.dark-mode .price-item { background: rgba(255, 255, 255, 0.06); }
html.dark-mode .reviews-section { background: linear-gradient(180deg, #1e1e22 0%, var(--color-bg) 100%); }
html.dark-mode .review-card {
    background: var(--color-card);
    border-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
html.dark-mode .review-card:hover { box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45); }
html.dark-mode .slider-btn {
    background: var(--color-card);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}
html.dark-mode .slider-btn:hover {
    background: #333338;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}
html.dark-mode .slider-arrow { border-right-color: var(--color-text); }
html.dark-mode .slider-btn.right .slider-arrow { border-left-color: var(--color-text); }

html { scroll-behavior: smooth; }
body {
    margin: 0; font-family: var(--font); color: var(--color-text); background: var(--color-bg);
    overflow-x: hidden; position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== Skip Link & Focus ===== */
.skip-link {
    position: absolute; left: -9999px; z-index: 9999; padding: 12px 20px;
    background: var(--color-primary); color: white; font-weight: 600; border-radius: 6px;
    text-decoration: none; font-size: 14px;
}
.skip-link:focus { left: 16px; top: 16px; }
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--color-primary); outline-offset: 2px;
}

/* ===== Header ===== */
header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 40px; position: sticky; top: 0; z-index: 1000;
    background: transparent; transition: background .35s ease, box-shadow .35s ease, padding .25s ease;
}
header.navbar-scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}
.logo-link { display: flex; align-items: center; transition: opacity .25s; }
.logo-link:hover { opacity: 0.9; }
.logo { height: 52px; display: block; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
    padding: 8px 4px; margin: 0 4px; text-decoration: none; border: none; background: none;
    font-weight: 600; font-size: 15px; color: inherit; cursor: pointer;
    color: rgba(255, 255, 255, 0.95); transition: color .25s, opacity .25s;
    position: relative;
}
header.navbar-scrolled .nav-link { color: var(--color-text); }
.nav-link::after {
    content: ""; position: absolute; left: 4px; right: 4px; bottom: 4px; height: 2px;
    background: currentColor; transform: scaleX(0); transition: transform .25s ease;
    border-radius: 1px;
}
.nav-link:hover::after { transform: scaleX(1); }
.lang-btn {
    margin-left: 12px; padding: 8px 16px; font-size: 13px; font-weight: 600;
    color: rgba(255, 255, 255, 0.95); background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.4); border-radius: 999px;
    cursor: pointer; transition: background .25s, color .25s, border-color .25s;
}
header.navbar-scrolled .lang-btn {
    color: var(--color-text); background: transparent; border-color: rgba(0, 0, 0, 0.15);
}
.lang-btn:hover {
    background: rgba(255, 255, 255, 0.25); border-color: rgba(255, 255, 255, 0.5);
}
header.navbar-scrolled .lang-btn:hover {
    background: rgba(0, 0, 0, 0.06); border-color: rgba(0, 0, 0, 0.2);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    background: url("images/hero.jpeg") center/cover no-repeat;
    min-height: 520px; display: flex; align-items: center; justify-content: center; color: white; text-align: center;
}
.hero-gradient {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0.65) 100%);
    pointer-events: none;
}
.hero-box {
    position: relative; z-index: 1;
    background: rgba(0, 0, 0, 0.35); padding: 48px 56px; border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    max-width: 90%;
    animation: heroFadeIn 0.8s ease-out;
}
@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero-badge {
    display: inline-block; margin-bottom: 14px; padding: 6px 14px;
    font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9); background: rgba(255, 255, 255, 0.12);
    border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.2);
}
.hero-title {
    margin: 0 0 12px; font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700;
    letter-spacing: -0.02em; line-height: 1.15; text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.hero-subtitle {
    margin: 0 0 28px; font-size: 1.1rem; font-weight: 400;
    color: rgba(255, 255, 255, 0.9); letter-spacing: 0.01em;
}
.hero-btn-container { margin-top: 4px; }
.hero-btn { padding: 14px 32px; font-size: 1rem; }
.hero-scroll-hint {
    position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    animation: scrollBounce 2s ease-in-out infinite;
}
.hero-scroll-arrow {
    width: 10px; height: 10px;
    border-right: 2px solid rgba(255, 255, 255, 0.7);
    border-bottom: 2px solid rgba(255, 255, 255, 0.7);
    transform: rotate(45deg); margin-bottom: 4px;
}
@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.8; }
    50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

.btn {
    background: var(--color-primary); color: white; padding: 12px 25px; border-radius: 6px;
    text-decoration: none; display: inline-block; transition: .3s; font-weight: 600; border: none;
}
.btn:hover { transform: scale(1.05); background: var(--color-primary-hover); }
@keyframes pulse-wa {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    50% { transform: scale(1.02); box-shadow: 0 0 0 8px rgba(37, 211, 102, 0); }
}
.whatsapp { background: var(--color-wa); margin-bottom: 10px; }
.whatsapp:hover { background: var(--color-wa-hover); }
.pulse-wa { animation: pulse-wa 2s ease-in-out infinite; }
.pulse-wa:hover { animation: none; }
.insta { background: var(--color-insta); }
.insta:hover { background: #c41e5a; }
.map-link-btn { margin-top: 20px; background: var(--color-text-muted); }

.section { padding: var(--section-gap) 20px; max-width: 900px; margin: 0 auto; }
.section h2 { text-align: center; font-size: 36px; font-weight: 700; margin-bottom: 40px; }

.bike {
    display: flex; gap: 30px; margin-bottom: 30px; align-items: center;
    background: var(--color-card); padding: 20px; border-radius: var(--radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}
.bike img { width: 300px; border-radius: 12px; cursor: pointer; object-fit: cover; height: 200px; }
.coming { background: #fff5f6; }

.price-container { display: flex; gap: 10px; margin-top: 15px; flex-wrap: wrap; }
.price-item {
    background: #f1f2f6; padding: 10px; border-radius: 10px;
    display: flex; flex-direction: column; align-items: center; min-width: 100px;
}
.price-val { font-weight: 800; font-size: 0.95rem; color: var(--color-text); }
.price-val small { font-size: 0.7rem; color: var(--color-price); }
.price-label { font-size: 0.7rem; text-transform: uppercase; font-weight: 700; }
.bike-wa {
    display: inline-flex; align-items: center; gap: 5px; margin-top: 12px;
    padding: 6px 12px; font-size: 0.8rem;
}
.bike-wa .btn-icon { width: 16px; height: 16px; }

.dark { background: var(--color-dark); color: white; text-align: center; border-radius: var(--radius); padding: 40px 20px; }
#contact.section { padding-top: 16px; padding-bottom: 28px; }
.contact-buttons { display: flex; flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 15px; align-items: center; margin: 20px 0; }
.contact-buttons .btn { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 0; }
.contact-buttons .btn-icon { width: 24px; height: 24px; object-fit: contain; }
.map { margin-top: 30px; }

/* ===== Reviews ===== */
.reviews-section { background: linear-gradient(180deg, #f8f9fa 0%, var(--color-bg) 100%); border-radius: var(--radius); }
.reviews-header { text-align: center; margin-bottom: 36px; }
.reviews-header h2 { margin-bottom: 6px; }
.reviews-subtitle {
    margin: 8px 0 0; font-size: 1.05rem; font-weight: 400; color: var(--color-text-muted);
    letter-spacing: 0.01em;
}
.review-slider-container { position: relative; display: flex; align-items: stretch; padding: 0 40px; gap: 16px; }
.reviews-container {
    display: flex; gap: 24px; overflow-x: auto; scroll-behavior: smooth; padding: 24px 0 32px;
    scrollbar-width: none; align-items: stretch;
}
.reviews-container::-webkit-scrollbar { display: none; }
.review-card {
    flex: 0 0 320px;
    background: var(--color-card); padding: 24px 26px 20px; border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06); color: var(--color-text);
    text-align: left; position: relative;
    border: 1px solid rgba(0,0,0,0.04);
    transition: transform .25s ease, box-shadow .25s ease;
}
.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}
.review-stars {
    position: relative; margin-bottom: 14px; font-size: 1.15rem; letter-spacing: 2px;
    color: var(--color-star); filter: drop-shadow(0 1px 2px rgba(245, 197, 66, 0.3));
}
.review-text {
    margin: 0 0 20px; font-size: 1rem; line-height: 1.55; color: var(--color-text);
    padding-right: 8px;
}
.review-author {
    display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 600;
    color: var(--color-text-muted);
}
.review-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white; display: flex; align-items: center; justify-content: center;
    font-size: 0.95rem; font-weight: 700; flex-shrink: 0;
}
.slider-btn {
    flex-shrink: 0;
    width: 48px; height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.08);
    background: var(--color-card);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: box-shadow .2s, transform .2s, background .2s;
}
.slider-btn:hover {
    background: #f8f8f8;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: scale(1.05);
}
.slider-btn:active { transform: scale(0.98); }
.slider-arrow {
    width: 0; height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 10px solid var(--color-text);
    margin-left: 2px;
}
.slider-btn.right .slider-arrow {
    margin-left: 0; margin-right: 2px;
    border-right: none;
    border-left: 10px solid var(--color-text);
}

.modal { display: none; position: fixed; z-index: 2000; padding-top: 60px; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.9); }
.modal-content { margin: auto; display: block; max-width: 80%; border-radius: 10px; }
.close {
    position: absolute; top: 20px; right: 35px; color: #fff; font-size: 40px; font-weight: bold;
    cursor: pointer; background: none; border: none; padding: 0; line-height: 1;
}

footer { text-align: center; padding: 30px; background: var(--color-footer); color: white; }

@media (max-width: 768px) {
    header { padding: 12px 20px; }
    .logo { height: 44px; }
    .hero { min-height: 420px; }
    .hero-box { padding: 32px 24px; }
    .hero-title { font-size: 1.75rem; }
    .hero-scroll-hint { bottom: 16px; }
    .bike { flex-direction: column; text-align: center; }
    .bike img { width: 100%; }
    .review-slider-container { padding: 0 16px; gap: 8px; }
    .review-card { flex: 0 0 280px; padding: 20px 20px 16px; }
    .contact-buttons { flex-direction: column; }
}