Theme Name: Underseas Scuba Center
Theme URI: http://www.underseas.com
Description: A modern, responsive theme for a scuba diving center
Version: 1.0
Author: Underseas Scuba Center
*/

:root {
    --ocean-blue: #0077be;
    --deep-blue: #003d5c;
    --light-blue: #00a8e8;
    --aqua: #00c9c8;
    --sand: #f5f5f0;
    --white: #ffffff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--ocean-blue) 100%);
    color: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo a {
    color: var(--white);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links .current-menu-item a {
    color: var(--aqua);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: 0.3s;
}

/* Hero Sections */
.hero {
    background: linear-gradient(rgba(0, 61, 92, 0.7), rgba(0, 119, 190, 0.7));
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 180px 5% 100px;
    margin-top: 70px;
}

.page-hero {
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--ocean-blue) 100%);
    color: var(--white);
    text-align: center;
    padding: 140px 5% 80px;
    margin-top: 70px;
}

.hero h1, .page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p, .page-hero p {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--aqua);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 201, 200, 0.3);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--light-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 201, 200, 0.4);
}

/* Main Content */
section {
    padding: 80px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--deep-blue);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    border: 2px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 119, 190, 0.2);
    border-color: var(--aqua);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--light-blue), var(--aqua));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    color: var(--deep-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.card ul {
    color: var(--text-light);
    margin: 1rem 0 1.5rem 1.5rem;
    line-height: 1.8;
}

.card-link {
    color: var(--ocean-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.card-link:hover {
    gap: 1rem;
    color: var(--aqua);
}

/* Content Sections */
.content-section {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.content-section h2 {
    color: var(--deep-blue);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.content-section h3 {
    color: var(--ocean-blue);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-section p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-section ul, .content-section ol {
    margin: 1rem 0 1rem 2rem;
    color: var(--text-dark);
}

.content-section li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin: 3rem 0;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, var(--light-blue), var(--aqua));
    color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
}

.highlight-box h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

/* Item Cards */
.item-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--aqua);
}

.item-card h4 {
    color: var(--deep-blue);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.item-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Alt Background */
.alt-bg {
    background: var(--sand);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--ocean-blue) 100%);
    color: var(--white);
    text-align: center;
    border-radius: 20px;
    margin: 80px 5%;
    padding: 60px 5%;
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--deep-blue);
    color: var(--white);
    padding: 60px 5% 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto 3rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--aqua);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--aqua);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

textarea {
    resize: vertical;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--deep-blue);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero, .page-hero {
        padding: 120px 5% 60px;
    }

    section {
        padding: 60px 5%;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .content-section {
        padding: 1.5rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}