/* 
 * Adare Restaurant - Stylesheet
 * A modern, responsive design for an authentic Irish dining experience
 */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
    /* Color palette */
    --color-primary: #000000;
    --color-text-light: #fffafa;
    --color-overlay: rgba(0, 0, 0, 0.6);

    /* Spacing */
    --spacing-xs: 10px;
    --spacing-sm: 20px;
    --spacing-md: 40px;
    --spacing-lg: 60px;

    /* Typography */
    --font-size-base: 16px;
    --font-size-heading: 70px;

    /* Layout */
    --nav-width: 68%;
    --nav-offset: 240px;
}

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-image: url(Images/Background.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-text-light);
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   ACCESSIBILITY UTILITIES
   ============================================ */
/* Hide content visually but keep it accessible to screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--color-text-light);
    outline-offset: 4px;
}

/* ============================================
   HEADER & LOGO
   ============================================ */
header {
    padding: var(--spacing-sm) 0;
    animation: fadeInDown 1s ease-out;
}

.restaurant-logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
}

.restaurant-logo:hover {
    transform: scale(1.05);
}

/* ============================================
   NAVIGATION
   ============================================ */
.Navbar {
    width: var(--nav-width);
    margin: var(--spacing-sm) auto;
    background-color: var(--color-overlay);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    animation: fadeIn 1.2s ease-out;
}

.Navbar ul {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    padding: var(--spacing-xs) 0;
    flex-wrap: wrap;
}

.Navbar li {
    padding: var(--spacing-xs) 15px;
}

nav ul li a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

/* Underline animation effect on hover */
nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-text-light);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

nav ul li a:hover {
    opacity: 0.8;
}

/* ============================================
   MAIN CONTENT CONTAINER
   ============================================ */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    margin: var(--spacing-md) 0;
    animation: fadeInUp 1.5s ease-out;
}

h1 {
    font-size: var(--font-size-heading);
    font-weight: 300;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    letter-spacing: 2px;
    margin: 0;
}

/* ============================================
   INTRODUCTION SECTION
   ============================================ */
.intro {
    margin: var(--spacing-md) 0;
    animation: fadeInUp 1.8s ease-out;
}

.intro p {
    font-size: 18px;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

/* ============================================
   CALL-TO-ACTION (RESERVATION)
   ============================================ */
.reservation-cta {
    margin: var(--spacing-lg) 0;
    animation: fadeInUp 2s ease-out;
}

.reservation-link {
    display: inline-block;
    text-decoration: none;
    color: var(--color-text-light);
    background-color: var(--color-overlay);
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: bold;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    border: 2px solid var(--color-text-light);
    backdrop-filter: blur(10px);
}

.reservation-link:hover {
    background-color: var(--color-text-light);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.reservation-link p {
    margin: 0;
}

/* ============================================
   LOCATION SECTION (MAP)
   ============================================ */
.location {
    margin: var(--spacing-lg) 0;
    width: 100%;
    max-width: 1024px;
    animation: fadeInUp 2.2s ease-out;
}

.location iframe {
    width: 100%;
    max-width: 1024px;
    height: 500px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    width: var(--nav-width);
    margin: var(--spacing-lg) auto var(--spacing-sm);
    background-color: var(--color-overlay);
    border-radius: 8px;
    padding: var(--spacing-sm);
    backdrop-filter: blur(10px);
    animation: fadeIn 2.5s ease-out;
}

footer p {
    font-weight: bold;
    color: var(--color-text-light);
    font-size: 14px;
    margin: 0;
}

/* ============================================
   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 DESIGN - TABLET
   ============================================ */
@media (max-width: 991.98px) {
    :root {
        --nav-width: 85%;
        --font-size-heading: 60px;
    }

    .Navbar {
        margin: var(--spacing-sm) auto;
    }

    .Navbar ul {
        flex-direction: row;
    }

    nav ul li a {
        font-size: 13px;
    }

    .intro p {
        font-size: 16px;
        padding: 0 var(--spacing-sm);
    }

    .location iframe {
        height: 400px;
    }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE
   ============================================ */
@media (max-width: 767.98px) {
    :root {
        --nav-width: 95%;
        --font-size-heading: 48px;
        --spacing-md: 30px;
        --spacing-lg: 40px;
    }

    body {
        background-attachment: scroll;
    }

    .restaurant-logo {
        max-width: 150px;
    }

    .Navbar ul {
        flex-direction: column;
        padding: var(--spacing-sm) 0;
    }

    .Navbar li {
        padding: var(--spacing-xs) 0;
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: var(--spacing-xs);
    }

    h1 {
        font-size: var(--font-size-heading);
        padding: 0 var(--spacing-sm);
    }

    .intro p {
        font-size: 15px;
        padding: 0 var(--spacing-sm);
    }

    .intro p br {
        display: none;
    }

    .reservation-link {
        padding: 12px 30px;
        font-size: 14px;
    }

    .location iframe {
        height: 300px;
        border-radius: 8px;
    }

    footer {
        width: 95%;
        padding: var(--spacing-sm) var(--spacing-xs);
    }

    footer p {
        font-size: 12px;
    }
}

/* ============================================
   RESPONSIVE DESIGN - SMALL MOBILE
   ============================================ */
@media (max-width: 480px) {
    :root {
        --font-size-heading: 36px;
    }

    .restaurant-logo {
        max-width: 120px;
    }

    .location iframe {
        height: 250px;
    }
}