/* 
 * Flashvenix Aquafitness Studio
 * Main Stylesheet
 */

/* --------------------------------
 * Base Styles & Variables
 * -------------------------------- */
:root {
    /* Color variables */
    --color-background: #E0F7FA;
    --color-primary: #0A3D62;
    --color-secondary: #FF6F61;
    --color-text: #1C2526;
    --color-light: #ffffff;
    --color-gray: #f5f5f5;
    --color-gray-dark: #e0e0e0;
    
    /* Spacing variables */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;
    
    /* Border radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transition */
    --transition-default: all 0.3s ease;
    
    /* Box shadow */
    --box-shadow-default: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.15);
}

/* Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base HTML Elements */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-default);
}

a:hover {
    color: var(--color-secondary);
}

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

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

button {
    cursor: pointer;
    font-family: 'Lato', sans-serif;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --------------------------------
 * Utility Classes
 * -------------------------------- */
.text-center {
    text-align: center;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* --------------------------------
 * Buttons
 * -------------------------------- */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-default);
    border: none;
    cursor: pointer;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.btn--primary:hover {
    background-color: var(--color-primary);
    color: var(--color-light);
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-2px);
}

.btn--secondary {
    background-color: var(--color-secondary);
    color: var(--color-light);
}

.btn--secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-light);
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-2px);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-light);
}

/* --------------------------------
 * Header
 * -------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    transition: var(--transition-default);
}

.header.sticky {
    padding: var(--spacing-xs) 0;
    background-color: rgba(255, 255, 255, 0.95);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: block;
    max-width: 180px;
}

.main-nav__list {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav__list li {
    margin-left: var(--spacing-md);
}

.main-nav__list a {
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.main-nav__list a:hover {
    color: var(--color-primary);
}

.main-nav__list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-default);
}

.main-nav__list a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: var(--transition-default);
}

/* --------------------------------
 * Hero Section
 * -------------------------------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-light);
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(10, 61, 98, 0.7), rgba(10, 61, 98, 0.7)), url('../images/img00.jpg');
    background-size: cover;
    background-position: top center;
    background-attachment: fixed;
    z-index: 1;
}

.hero__content {
    max-width: 800px;
    padding: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 1.2s ease;
}

.hero__slogan {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1.2s ease;
}

.hero__buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    animation: fadeIn 1.5s ease;
}

/* --------------------------------
 * Section Styles
 * -------------------------------- */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-secondary);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text);
    opacity: 0.8;
}

/* --------------------------------
 * About Section
 * -------------------------------- */
.about {
    background-color: var(--color-background);
}

.about__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.about__image {
    flex: 1;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow-default);
}

.about__text {
    flex: 1;
}

.about__features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature {
    text-align: center;
}

.feature__icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-sm);
    fill: var(--color-primary);
}

/* --------------------------------
 * Services Section
 * -------------------------------- */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow-default);
    transition: var(--transition-default);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
}

.service-card__image {
    height: 200px;
    overflow: hidden;
}

.service-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-default);
}

.service-card:hover .service-card__image img {
    transform: scale(1.05);
}

.service-card__content {
    padding: var(--spacing-md);
}

.service-card__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card__description {
    margin-bottom: var(--spacing-md);
}

.service-card__link {
    display: inline-block;
    color: var(--color-secondary);
    font-weight: 600;
    position: relative;
}

.service-card__link::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: var(--transition-default);
}

.service-card__link:hover::after {
    margin-left: var(--spacing-sm);
}

/* --------------------------------
 * Benefits Section
 * -------------------------------- */
.benefits {
    background-color: var(--color-light);
}

.benefits__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.benefits__text {
    flex: 1;
}

.benefits__image {
    flex: 1;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow-default);
}

.benefits__list {
    display: block;
}

.benefit-item:not(:last-child) {
    margin-bottom: 1rem;
}

.benefit-item__icon {
    width: 40px;
    height: 40px;
    fill: var(--color-secondary);
}

/* --------------------------------
 * Instructors Section
 * -------------------------------- */
.instructors {
    background-color: var(--color-background);
}

.instructors__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.instructor-card {
    background-color: var(--color-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow-default);
    transition: var(--transition-default);
}

.instructor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.instructor-card__image {
    height: 300px;
    overflow: hidden;
}

.instructor-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-default);
}

.instructor-card:hover .instructor-card__image img {
    transform: scale(1.05);
}

.instructor-card__content {
    padding: var(--spacing-md);
    text-align: center;
}

.instructor-card__name {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.instructor-card__position {
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* --------------------------------
 * Schedule Section
 * -------------------------------- */
.schedule {
    background-color: var(--color-light);
}

.schedule__filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.schedule__filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-gray);
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition-default);
}

.schedule__filter-btn:hover, .schedule__filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.schedule__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.schedule__day {
    background-color: var(--color-gray);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
}

.schedule__day-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.schedule__class {
    background-color: var(--color-light);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    align-items: center;
    transition: var(--transition-default);
}

.schedule__class:last-child {
    margin-bottom: 0;
}

.schedule__class:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-default);
}

.schedule__time {
    font-weight: 600;
    color: var(--color-primary);
}

.schedule__class-name {
    text-align: center;
    font-weight: 500;
}

.schedule__instructor {
    text-align: right;
    color: var(--color-secondary);
}

/* Class colors */
.aqua-fitness {
    border-left: 3px solid #4CAF50;
}

.aqua-yoga {
    border-left: 3px solid #2196F3;
}

.aqua-power {
    border-left: 3px solid #F44336;
}

.aqua-rehab {
    border-left: 3px solid #9C27B0;
}

/* --------------------------------
 * Contact Section
 * -------------------------------- */
.contact {
    background-color: var(--color-background);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__map {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 300px;
}

.contact__map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact__details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.contact__detail {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact__icon {
    width: 40px;
    height: 40px;
    fill: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.contact__form-container {
    background-color: var(--color-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow-default);
}

.contact__form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input, .form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-gray-dark);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-default);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(10, 61, 98, 0.2);
}

.form-consent {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-consent input {
    margin-top: 5px;
}

/* --------------------------------
 * Success Page
 * -------------------------------- */
.success {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 150px);
    margin-top: 70px;
    padding: var(--spacing-xl) 0;
}

.success__content {
    margin: 0 auto;
    max-width: 600px;
    text-align: center;
    background-color: var(--color-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow-default);
}

.success__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

.success__icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-secondary);
}

.success__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.success__message {
    margin-bottom: var(--spacing-lg);
}

.success__buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* --------------------------------
 * Policy Pages
 * -------------------------------- */
.policy-section {
    margin-top: 70px;
    padding: var(--spacing-xl) 0;
}

.policy-section__content {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow-default);
}

.policy-section__title {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.policy-section__intro {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.policy-section__text h2 {
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.policy-section__text h3 {
    color: var(--color-secondary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.policy-section__updated {
    margin-top: var(--spacing-lg);
    font-style: italic;
    text-align: right;
}

.policy-section__buttons {
    margin-top: var(--spacing-lg);
    text-align: center;
}

/* --------------------------------
 * Footer
 * -------------------------------- */
.footer {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding-top: var(--spacing-lg);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer__logo {
    flex: 1;
    min-width: 200px;
}

.footer__logo img {
    background-color: #ffffff;
    border-radius: .5rem;
    max-width: 150px;
    margin-bottom: var(--spacing-sm);
}

.footer__slogan {
    font-style: italic;
    opacity: 0.8;
}

.footer__links {
    flex: 2;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer__heading {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer__nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__nav li {
    margin-bottom: var(--spacing-sm);
}

.footer__nav a {
    color: var(--color-light);
    opacity: 0.8;
    transition: var(--transition-default);
}

.footer__nav a:hover {
    opacity: 1;
    color: var(--color-secondary);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer__copyright {
    opacity: 0.6;
    margin: 0;
}

/* --------------------------------
 * Back to Top Button
 * -------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow-default);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-default);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: var(--color-light);
}

.back-to-top:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
}

/* --------------------------------
 * Animations
 * -------------------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------
 * Responsive Styles
 * -------------------------------- */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .about__content,
    .benefits__content,
    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about__features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero__title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav__list {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--color-light);
        flex-direction: column;
        align-items: center;
        overflow: hidden;
        transition: var(--transition-default);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.open .main-nav__list {
        height: auto;
        padding: var(--spacing-md) 0;
    }
    
    .main-nav__list li {
        margin: var(--spacing-sm) 0;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .about__content,
    .benefits__content {
        flex-direction: column;
    }
    
    .contact__details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about__features {
        grid-template-columns: 1fr;
    }
    
    .schedule__filters {
        flex-direction: column;
        align-items: center;
    }
    
    .schedule__filter-btn {
        width: 100%;
        max-width: 250px;
    }
    
    .footer__top {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__logo {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .back-to-top {
        right: 15px;
        bottom: 15px;
    }
}