/**
 * Wedding Website Styles
 * Mobile First Approach
 */

/* ================================
   CSS Variables
================================ */
:root {
    --color-primary: #c9a87c;
    --color-primary-dark: #a68b5b;
    --color-secondary: #f5f0e8;
    --color-accent: #8b7355;
    --color-text: #3d3d3d;
    --color-text-light: #6b6b6b;
    --color-white: #ffffff;
    --color-bg: #fafaf8;
    --color-error: #d9534f;
    --color-success: #5cb85c;

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Lato', 'Helvetica Neue', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    --border-radius: 4px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

/* ================================
   Typography
================================ */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.25rem; }

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

/* ================================
   Layout
================================ */
.main {
    flex: 1;
}

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

.section {
    padding: var(--spacing-xl) 0;
}

.section--hero {
    padding: 0;
}

.section--bg {
    background-color: var(--color-secondary);
}

/* ================================
   Header & Navigation
================================ */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    letter-spacing: 2px;
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.nav__menu {
    display: none;
    list-style: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm);
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav__menu.active {
    display: flex;
}

.nav__menu li {
    text-align: center;
}

.nav__menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text);
    font-size: 0.95rem;
}

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

/* ================================
   Buttons
================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

.info-card .btn {
    display: inline-block;
}

/* ================================
   Hero Section
   ================================ */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('../img/image3.png');
    background-size: cover;
    background-position: center 20%;
    background-repeat: no-repeat;
    padding: var(--spacing-xl) var(--spacing-sm);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255,255,255,0.8);
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero__title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-dark);
}

.hero__intro {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero__date {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

/* ================================
   Info Section (Fecha, Ubicacion)
   ================================ */
.info-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.info-card--ceremonia {
    background-image: url('../img/image1.png');
}

.info-card--celebracion {
    background-image: url('../img/image2.png');
}

.info-card--ceremonia,
.info-card--celebracion {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.info-card--ceremonia::before,
.info-card--celebracion::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255,255,255,0.8);
    z-index: 0;
}

.info-card__icon,
.info-card__title,
.info-card__text,
.info-card .btn {
    position: relative;
    z-index: 1;
}

.info-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.info-card__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.info-card__text {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ================================
   Map
================================ */
.map-container {
    width: 100%;
    height: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ================================
   Programa Section
================================ */
.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-primary);
}

.timeline__item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-lg) - 5px);
    top: 5px;
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.timeline__time {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.timeline__event {
    color: var(--color-text);
}

/* ================================
   Maps Grid
================================ */
.maps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* ================================
   Carousel
================================ */
.carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    background-color: var(--color-secondary);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel__slides {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel__slide {
    min-width: 100%;
    height: 400px;
    object-fit: cover;
}

.carousel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.8);
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    font-size: 1.5rem;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.carousel__btn:hover {
    background: rgba(255,255,255,1);
}

.carousel__btn--prev { left: var(--spacing-sm); }
.carousel__btn--next { right: var(--spacing-sm); }

.carousel__empty {
    text-align: center;
    color: var(--color-text-light);
    padding: var(--spacing-xxl);
}

/* ================================
   Forms
================================ */
.form {
    max-width: 500px;
    margin: 0 auto;
}

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

.form__label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background-color: var(--color-white);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(201, 168, 124, 0.2);
}

.form__input--error,
.form__textarea--error {
    border-color: var(--color-error);
}

.form__error {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.form__radio-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.form__radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.form__textarea {
    min-height: 100px;
    resize: vertical;
}

.form__submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* ================================
   Alerts
================================ */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.alert--success {
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
}

.alert--error {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}

/* ================================
   Footer
================================ */
.footer {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg) var(--spacing-sm);
    text-align: center;
    margin-top: auto;
}

.footer__text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.footer__date {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ================================
   Utilities
================================ */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--spacing-lg); }

/* ================================
   Tablet (768px+)
================================ */
@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }

    .nav__menu {
        display: flex;
        position: static;
        box-shadow: none;
        flex-direction: row;
        padding: 0;
        gap: var(--spacing-md);
    }

    .hero__title {
        font-size: 4rem;
    }

    .section {
        padding: var(--spacing-xxl) 0;
    }

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

    .maps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form {
        padding: var(--spacing-lg);
        background-color: var(--color-white);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow-md);
    }
}

/* ================================
   Desktop (1024px+)
================================ */
@media (min-width: 1024px) {
    .hero {
        background-image: url('../img/image4.png');
        min-height: 50vh;
        background-size: cover;
        background-position: center center;
    }

    .hero__title {
        font-size: 5rem;
    }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
        margin: 0 auto;
    }

    .container {
        padding: 0 var(--spacing-lg);
    }
}