:root {
    --primary: #0a2540;
    --primary-light: #1c4e70;
    --accent: #f5a623;
    --accent-dark: #e09515;
    --gray-light: #f7f9fc;
    --gray: #e6edf4;
    --text-dark: #1a2c3e;
    --text-muted: #5c6f87;
    --white: #ffffff;
    --shadow-sm: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.02);
    --shadow-md: 0 20px 25px -12px rgba(0,0,0,0.1);
    --border-radius: 1.25rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--gray-light);
    color: var(--text-dark);
    line-height: 1.5;
}

.main-nav {
    background: var(--primary);
    border-bottom: 2px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: white;
    background: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.hero {
    background: linear-gradient(105deg, rgba(10,37,64,0.85) 0%, rgba(28,78,112,0.7) 100%), url('https://images.unsplash.com/photo-1469854523086-5c4f0ac9e2f4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center 40%;
    padding: 6rem 2rem;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero-content p {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

.search-section {
    max-width: 800px;
    margin: -2rem auto 2rem;
    padding: 0 1.5rem;
    position: relative;
    z-index: 10;
}

.search-wrapper {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
}

#searchInput {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1rem;
    border: none;
    border-radius: 60px;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
    font-family: inherit;
    border: 1px solid transparent;
}

#searchInput:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 25px 30px -12px rgba(0,0,0,0.15);
    transform: scale(1.01);
}

.main-grid {
    max-width: 1400px;
    margin: 0 auto 3rem;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: start;
}

.section-title {
    font-size: 1.9rem;
    font-weight: 600;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--primary);
}

.section-title i { color: var(--accent); }

.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.offer-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
}

.offer-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.offer-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.offer-card h3 {
    padding: 1.2rem 1.2rem 0.3rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.destination {
    padding: 0 1.2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.destination i { color: var(--accent); }

.price {
    padding: 0.6rem 1.2rem 0;
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary);
}

.price small {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
}

.description {
    padding: 0.5rem 1.2rem 1.4rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.contact-aside {
    position: sticky;
    top: 100px;
}

.contact-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.8rem;
    box-shadow: var(--shadow-md);
    transition: background 0.3s ease;
    border: 1px solid var(--gray);
}

.contact-card.success {
    background: #2b8c4a !important;
}

.contact-card.success h3,
.contact-card.success p,
.contact-card.success .input-group i,
.contact-card.success .submit-btn {
    color: white;
}

.contact-card.success .input-group input,
.contact-card.success .input-group textarea {
    background: rgba(255,255,255,0.9);
    border-color: white;
}

.contact-card.success .submit-btn {
    background: white;
    color: #2b8c4a;
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.contact-card h3 i { color: var(--accent); }

.contact-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.input-group {
    position: relative;
    margin-bottom: 1rem;
}

.input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-group textarea + i {
    top: 1.2rem;
    transform: none;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 0.8rem 0.8rem 0.8rem 2.4rem;
    border: 1px solid var(--gray);
    border-radius: 0.8rem;
    font-family: inherit;
    font-size: 0.9rem;
    transition: 0.2s;
    background: var(--white);
}

.input-group textarea {
    padding-left: 2.4rem;
    resize: vertical;
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
}

.submit-btn {
    width: 100%;
    background: linear-gradient(95deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    padding: 0.9rem;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 0.5rem;
}

.submit-btn:hover {
    background: linear-gradient(95deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.1);
}

.form-status {
    margin-top: 1rem;
    font-size: 0.85rem;
    text-align: center;
    padding: 0.5rem;
    border-radius: 40px;
    background: rgba(0,0,0,0.03);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    font-weight: 500;
}

.footer {
    background: var(--primary);
    color: var(--gray-light);
    margin-top: 4rem;
    padding: 2.5rem 2rem 1rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--accent);
}

.footer-col p,
.footer-col ul {
    font-size: 0.85rem;
    opacity: 0.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer-col a:hover {
    opacity: 1;
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: 1rem;
    font-size: 1.3rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.75rem;
    opacity: 0.7;
}

@media (max-width: 1000px) {
    .main-grid { grid-template-columns: 1fr; }
    .contact-aside { position: static; max-width: 600px; margin: 0 auto; }
    .hero-content h1 { font-size: 2.5rem; }
    .nav-container { flex-direction: column; gap: 0.8rem; }
    .nav-links { gap: 1.5rem; }
}

@media (max-width: 640px) {
    .offers-grid { grid-template-columns: 1fr; }
    .main-grid { padding: 0 1rem; }
    .hero { padding: 3rem 1rem; }
}

.price .ab {
    font-size: 0.9rem;
    font-weight: 400;
    color: #5c6f87;
    margin-right: 0.25rem;
}

.price .amount {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary);
}

.price .unit {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 0.25rem;
}