/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */

   *, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-family: "itc-avant-garde-gothic-pro", sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-weight: 300;
    font-style: normal;
    color: var(--color-text);
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

#root, #__next {
    isolation: isolate;
}

/* ========================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ======================================== */

:root {
    /* Colors */
    --color-primary: #e81d4e;
    --color-primary-hover: #c41e3a;
    --color-text: #000;
    --color-white: #ffffff;
    --color-white-80: rgba(255, 255, 255, 0.8);
    --color-modal-overlay: rgba(0, 0, 0, 0.5);
    --color-border-light: #e5e5e5;
    --color-bg-light: #f5f5f5;
    
    /* Backgrounds */
    --bg-main: #e5818d;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4.3rem;
    --spacing-5xl: 8rem;
    
    /* Typography */
    --font-size-sm: 1rem;
    --font-size-base: 1.1rem;
    --font-size-lg: 1.2rem;
    --font-size-xl: 1.3rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Layout Dimensions */
    --header-height: 165px;
    --header-border-height: 57px;
    --logo-height: 60px;
    --button-width: 135px;
    --button-height: 45px;
    --button-radius: 25px;
    --social-icon-size: 38px;
    --container-max-width: 440px;
    --hamburger-size: 40px;
    --hamburger-bar-width: 26px;
    --hamburger-bar-height: 2px;
    
    /* Breakpoints */
    --breakpoint-sm: 500px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 900px;
    --breakpoint-xl: 1024px;

    /* Mobile Dimensions */
    --mobile-header-height: 96px;
    --mobile-header-border-height: 24px;
    --mobile-logo-height: 27px;
    --mobile-container-max-width: 295px;
}

/* ========================================
   HEADER STYLES
   ======================================== */

.header {
    width: 100%;
    height: var(--header-height);
    background-color: transparent;
    background-image: url('src/waves.svg');
    background-size: contain;
    background-position: bottom;
    background-repeat: repeat-x;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    padding-bottom: var(--header-border-height);
}

.header::after {
    content: '';
    background-image: url('src/header-bottom-border.svg');
    background-size: auto 100%;
    background-repeat: repeat-x;
    background-position: top;
    width: 100%;
    height: var(--header-border-height);
    position: absolute;
    bottom: 1px;
    left: 0;
    right: 0;
}

/* .header-container (nested inside .header) */
.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(2rem, 8vw, 110px);
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
}

/* .logo (nested inside .header) */
.header__logo {
    height: var(--logo-height);
    width: auto;
}

/* .header-right (nested inside .header) */
.header__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4xl);
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* .nav-items (nested inside .header) */
.header__nav-items {
    display: flex;
    align-items: center;
    gap: var(--spacing-4xl);
}

/* .social-icons (nested inside .header) */
.header__social-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-4xl);
}

/* .contact-text (nested inside .header) */
.header__contact-text {
    color: var(--color-text);
    font-size: var(--font-size-xl);
    font-weight: 500;
    text-decoration: none;
    padding: var(--spacing-sm) 0;
    transition: color 0.2s ease;
}

.header__contact-text:hover {
    color: var(--color-text);
}

/* .donate-button (nested inside .header) */
.header__donate-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    width: var(--button-width);
    height: var(--button-height);
    border: none;
    border-radius: var(--button-radius);
    font-size: var(--font-size-xl);
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.header__donate-button:hover {
    background-color: var(--color-primary-hover);
}

/* .social-icon (nested inside .header) */
.header__social-icon {
    height: var(--social-icon-size);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
    padding: var(--spacing-xs);
}

.header__social-icon:hover {
    opacity: 0.8;
}

.header__social-icon img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

/* ========================================
   HAMBURGER MENU STYLES
   ======================================== */

.hamburger {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    width: var(--hamburger-size);
    height: var(--hamburger-size);
    padding: 0;
    margin-left: auto;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}

.hamburger__bar {
    display: block;
    width: var(--hamburger-bar-width);
    height: var(--hamburger-bar-height);
    background: var(--color-text);
    margin: 5px 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Modifier: Is Open */
.hamburger--is-open .hamburger__bar {
    background: var(--bg-main);
}
.hamburger--is-open .hamburger__bar:nth-child(1) { transform: translateY(12px) rotate(45deg); }
.hamburger--is-open .hamburger__bar:nth-child(2) { opacity: 0; }
.hamburger--is-open .hamburger__bar:nth-child(3) { transform: translateY(-12px) rotate(-45deg); }


/* ========================================
   MOBILE MENU STYLES
   ======================================== */

.mobile-menu {
    top: 0;
    padding-top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: var(--bg-main);
    background-size: cover;
    background-position: bottom center;
    display: none;
    flex-direction: column;
    min-height: 100vh;
}

/* Modifier: Is Open */
.mobile-menu--is-open {
    display: block;
}

/* .mobile-menu-inner (nested inside .mobile-menu) */
.mobile-menu__inner {
    height: 100%;
    padding: var(--spacing-xl) clamp(1rem, 8vw, 2rem);
}

/* .mobile-close (nested inside .mobile-menu) */
.mobile-menu__close {
    position: relative;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu__close-line {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 26px;
    height: 2px;
    background: var(--color-white);
}

.mobile-menu__close-line:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.mobile-menu__close-line:last-child { transform: translate(-50%, -50%) rotate(-45deg); }

/* .mobile-menu-links (nested inside .mobile-menu) */
.mobile-menu__links {
    text-align: center;
    padding-top: var(--spacing-3xl);
}

.mobile-menu__link {
    display: block;
    color: var(--color-white);
    text-decoration: none;
    font-size: var(--font-size-3xl);
    font-weight: 300;
    margin-bottom: var(--spacing-2xl);
}

.mobile-menu__social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4xl);
    margin: var(--spacing-3xl) 0;
}

.mobile-menu__social-icon {
    height: var(--social-icon-size);
    display: inline-flex;
}

.mobile-menu__social-icon img {
    height: 100%;
    width: auto;
}

.mobile-menu__social-icon svg {
    fill: var(--color-white);
    height: 100%;
    width: auto;
}

.mobile-menu__rabbit {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-5xl);
}

.mobile-menu__rabbit img {
    width: 180px;
}

/* ========================================
   MAIN CONTENT STYLES
   ======================================== */

.main-content {
    display: flex;
    align-items: end;
    justify-content: right;
    padding: var(--spacing-xl) clamp(2rem, 8vw, 110px);
    padding-top: var(--header-height);
    position: relative;
    background-color: var(--bg-main);
    background-image: url('src/background.jpg?2');
    background-size: cover;
    background-position: bottom center;
    background-repeat: no-repeat;
    min-height: 100vh;
    width: 100%;
}

.main-content__container {
    display: flex;
    flex-direction: column;
    align-items: end;
    justify-content: end;
    max-width: var(--container-max-width);
    text-align: right;
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: 2;
}

.main-content__decorative-rabbit {
    width: 260px;
    height: auto;
    margin-right: -20px;
    z-index: 1;
}

.main-content__decorative-rabbit img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding-top: var(--spacing-3xl);
}

/* ========================================
   TYPOGRAPHY STYLES
   ======================================== */

.heading-primary {
    font-size: var(--font-size-5xl);
    font-weight: 300;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.text-group {
    padding-left: 5rem;
    color: var(--color-white);
}

.text-group__subtitle,
.text-group__description {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.text-group__closing {
    font-size: var(--font-size-2xl);
    font-weight: 300;
}

.social-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 300;
    font-size: var(--font-size-base);
    transition: color 0.2s ease;
}

.social-link:hover {
    color: var(--color-white-80);
    text-decoration: underline;
}

/* ========================================
   MODAL STYLES
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Modifier: Is Open */
.modal--is-open {
    opacity: 1;
    visibility: visible;
}

/* .modal-overlay (nested inside .modal) */
.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-modal-overlay);
    backdrop-filter: blur(2px);
}

/* .modal-content (nested inside .modal) */
.modal__content {
    position: relative;
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal--is-open .modal__content {
    transform: scale(1);
}

/* .modal-header (nested inside .modal) */
.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

/* .modal-title (nested inside .modal) */
.modal__title {
    font-size: var(--font-size-2xl);
    font-weight: 300;
    color: var(--color-text);
    margin: 0;
}

/* .modal-close (nested inside .modal) */
.modal__close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal__close:hover {
    background-color: var(--color-bg-light);
    color: var(--color-text);
}

/* .modal-body (nested inside .modal) */
.modal__body {
    padding: var(--spacing-xl);
}

/* ========================================
   MAILCHIMP FORM STYLES
   ======================================== */
.mc-form {
    background: transparent;
    clear: left;
    font: inherit;
    width: 100%;
}

.mc-form form {
    padding: 0;
}

.mc-form__required-text {
    text-align: right;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.mc-form__required-text .asterisk {
    color: var(--color-primary);
    font-weight: bold;
}

.mc-form__field-group {
    margin-bottom: var(--spacing-lg);
}

.mc-form__field-group label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.mc-form__field-group input[type="email"],
.mc-form__field-group input[type="text"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border-light);
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--color-white);
}

.mc-form__field-group input[type="email"]:focus,
.mc-form__field-group input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(232, 29, 78, 0.1);
}

.mc-form__field-group input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #e74c3c;
}

.mc-form__helper-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-top: var(--spacing-xs);
}

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

.mc-form__error-response,
.mc-form__success-response {
    padding: var(--spacing-md);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.mc-form__error-response {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.mc-form__success-response {
    background-color: #efe;
    color: #363;
    border: 1px solid #cfc;
}

.mc-form__submit-button {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--button-radius);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 300;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    min-width: 120px;
}

.mc-form__submit-button:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.mc-form__submit-button:active {
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet & Smaller Desktop */
@media (max-width: 1024px) {
    .header__right {
        gap: var(--spacing-lg);
    }
    .header__nav-items, .header__social-icons {
        gap: var(--spacing-lg);
    }
}

/* Tablet */
@media (max-width: 900px) {
    .header__right {
        display: none;
    }
    .hamburger {
        display: inline-flex;
    }
    .main-content {
        padding-top: var(--header-height);
    }
    .main-content__container {
        padding-left: 0;
        padding-right: 0;
        max-width: var(--mobile-container-max-width);
    }
    .text-group {
        padding-left: 0;
    }
    .heading-primary {
        font-size: var(--font-size-3xl);
    }
    .text-group__subtitle,
    .text-group__description,
    .text-group__closing {
        font-size: var(--font-size-xl);
    }
}

/* Mobile */
@media (max-width: 500px) {
    .header {
        height: var(--mobile-header-height);
        padding-bottom: var(--mobile-header-border-height);
    }
    .header::after {
        height: var(--mobile-header-border-height);
    }
    .header__logo {
        height: var(--mobile-logo-height);
    }
    .mobile-menu {
        padding-top: var(--mobile-header-height);
    }
    .main-content {
        padding-bottom: 50px;
        background-size: auto 300px;
        background-position: 20% calc(var(--mobile-header-height) - 90px);
        padding-top: calc(var(--mobile-header-height) + 300px - 90px);
        align-items: start;
    }
    .main-content__container {
        max-width: 100%;
    }
    .modal__content {
        width: 95%;
        margin: var(--spacing-md);
    }
    .modal__header {
        padding: var(--spacing-lg);
    }
    .modal__body {
        padding: var(--spacing-lg);
    }
    .modal__title {
        font-size: var(--font-size-xl);
    }
}