/* 
   Project: maui-whale-season.com
   Theme: Whale Watch Premium (Deep Navy & Surf White)
*/

:root {
    --deep-navy: #0a192f;
    --ocean-blue: #112240;
    --whale-tail-grey: #4e5d6c;
    --surf-white: #f8f9fa;
    --foam-accent: #64ffda;
    --text-main: #ccd6f6;
    --text-secondary: #8892b0;
    --glass-nav: rgba(10, 25, 47, 0.85);
    --transition-fast: all 0.2s ease-in-out;
    --shadow-depth: 0 20px 40px rgba(2, 12, 27, 0.7);
}

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

body {
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    line-height: 1.7;
    color: var(--text-main);
    background-color: var(--deep-navy);
}

h1,
h2,
h3 {
    color: var(--surf-white);
    line-height: 1.1;
    margin-bottom: 2rem;
}

a {
    color: var(--foam-accent);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    filter: brightness(1.2);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navigation --- */

nav {
    background: var(--glass-nav);
    backdrop-filter: blur(15px);
    height: 90px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--foam-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

/* --- Sections --- */

section {
    padding: 8rem 0;
}

.hero {
    height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(10, 25, 47, 0.7), rgba(10, 25, 47, 0.7)), url('images/maui-whale-watching-hero.webp');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.hero h1 {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.btn {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    border: 1px solid var(--foam-accent);
    color: var(--foam-accent);
    border-radius: 4px;
    font-weight: 600;
    background: transparent;
}

.btn:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

/* --- Cards --- */

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

.card {
    background: var(--ocean-blue);
    border-radius: 8px;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    overflow: hidden;
}

.card-img {
    height: 180px;
    background-size: cover;
    background-position: center;
    border-bottom: 2px solid var(--foam-accent);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--foam-accent);
    box-shadow: var(--shadow-depth);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* --- Footer --- */

footer {
    background: #020c1b;
    padding: 6rem 0 3rem;
    border-top: 1px solid rgba(100, 255, 218, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

footer h4 {
    color: var(--surf-white);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- Utilities --- */

.text-accent {
    color: var(--foam-accent);
}

.text-center {
    text-align: center;
}

/* --- Responsive --- */

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.75rem;
    }

    .nav-links {
        display: none;
    }
}