// ==========================
// Variables (fallback defaults, overridden by config.toml via CSS custom properties)
// ==========================
$font-serif: 'Cormorant Garamond', 'Georgia', serif;
$font-sans: 'Montserrat', 'Helvetica Neue', sans-serif;
$max-width: 1100px;
$transition: 0.3s ease;

:root {
    --color-primary: #2b4c7e;
    --color-primary-light: #7da0c4;
    --color-accent: #7e8e6c;
    --color-text: #2c3e50;
    --color-text-light: #5a6d7e;
    --color-bg: #f9fbfd;
    --color-bg-alt: #eef3f7;
    --color-white: #fffff8;
    --color-border: #c9d6e0;
    --hero-gradient: linear-gradient(135deg, #1a3a5c 0%, #2b4c7e 50%, #3a6b5a 100%);
}

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

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

body {
    font-family: $font-sans;
    font-weight: 300;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: $max-width;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

    &:hover {
        color: var(--color-primary-light);
    }
}

// ==========================
// Navigation
// ==========================
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all $transition;
    background: rgba(0, 0, 0, 0.4);

    &--scrolled {
        background: rgba(255, 255, 255, 0.97);
        padding: 12px 0;
        box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
    }

    &__inner {
        max-width: $max-width;
        margin: 0 auto;
        padding: 0 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    &__logo {
        font-family: $font-serif;
        font-size: 1.4rem;
        font-weight: 600;
        color: var(--color-white);
        text-decoration: none;

        .nav--scrolled & {
            color: var(--color-primary);
        }
    }

    &__toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;

        span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-white);
            transition: all $transition;

            .nav--scrolled & {
                background: var(--color-text);
            }
        }
    }

    &__links {
        display: flex;
        list-style: none;
        gap: 32px;

        a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 400;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            transition: color $transition;

            &:hover {
                color: var(--color-white);
            }

            .nav--scrolled & {
                color: var(--color-text-light);

                &:hover {
                    color: var(--color-primary);
                }
            }
        }
    }
}

// ==========================
// Hero
// ==========================
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
    background-color: var(--color-primary);
    color: var(--color-white);

    &__overlay {
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.35);
    }

    &__content {
        position: relative;
        z-index: 1;
        padding: 40px 48px;
        background: rgba(0, 0, 0, 0.65);
        border-radius: 4px;
    }

    &__invite {
        font-family: $font-sans;
        font-size: 0.9rem;
        font-weight: 300;
        letter-spacing: 0.3em;
        text-transform: uppercase;
        margin-bottom: 24px;
        opacity: 0.9;
    }

    &__names {
        font-family: $font-serif;
        font-size: clamp(2.5rem, 8vw, 5rem);
        font-weight: 400;
        line-height: 1.2;
        margin-bottom: 16px;

        span {
            font-style: italic;
            display: inline-block;
            margin: 0 12px;
            opacity: 0.8;
        }
    }

    &__divider {
        width: 60px;
        height: 1px;
        background: rgba(255, 255, 255, 0.5);
        margin: 24px auto;
    }

    &__date {
        font-family: $font-serif;
        font-size: 1.4rem;
        font-weight: 400;
        letter-spacing: 0.05em;
        margin-bottom: 8px;
    }

    &__venue {
        font-size: 0.9rem;
        font-weight: 300;
        opacity: 0.85;
        letter-spacing: 0.05em;
    }

    &__scroll {
        position: absolute;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1;

        a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.6rem;
            animation: bounce 2s infinite;
            display: block;
        }
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

// ==========================
// Sections
// ==========================
.section {
    padding: 100px 0;

    &--countdown {
        background: var(--color-bg-alt);
    }

    &--schedule {
        background: var(--color-white);
    }

    &--location {
        background: var(--color-bg-alt);
    }

    &--details {
        background: var(--color-white);
    }

    &--palette {
        background: var(--color-bg-alt);
    }

    &--rsvp {
        background: var(--color-white);
    }

    &__title {
        font-family: $font-serif;
        font-size: clamp(2rem, 4vw, 2.8rem);
        font-weight: 400;
        text-align: center;
        color: var(--color-text);
    }

    &__divider {
        width: 50px;
        height: 1px;
        background: var(--color-primary);
        margin: 20px auto 50px;
    }

    &__subtitle {
        text-align: center;
        color: var(--color-text-light);
        font-size: 0.95rem;
        margin-bottom: 40px;
    }
}

// ==========================
// About
// ==========================
.about {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 50px;
    align-items: center;

    &__photo {
        text-align: center;

        img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
            border-radius: 4px;
            margin-bottom: 16px;
        }
    }

    &__photo-placeholder {
        width: 100%;
        aspect-ratio: 3 / 4;
        background: var(--color-bg-alt);
        border: 1px solid var(--color-border);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text-light);
        font-size: 0.85rem;
        margin-bottom: 16px;
    }

    &__name {
        font-family: $font-serif;
        font-size: 1.3rem;
        color: var(--color-primary);
    }

    &__story {
        text-align: center;
        color: var(--color-text-light);
        font-size: 1rem;
        line-height: 1.9;

        p + p {
            margin-top: 16px;
        }
    }
}

// ==========================
// Countdown
// ==========================
.countdown {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;

    &__item {
        text-align: center;
    }

    &__number {
        display: block;
        font-family: $font-serif;
        font-size: 3.5rem;
        font-weight: 400;
        color: var(--color-primary);
        line-height: 1;
    }

    &__label {
        display: block;
        font-size: 0.8rem;
        color: var(--color-text-light);
        text-transform: uppercase;
        letter-spacing: 0.1em;
        margin-top: 8px;
    }
}

// ==========================
// Schedule Days
// ==========================
.schedule-days {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: start;
}

.schedule-day {
    &__header {
        text-align: center;
        margin-bottom: 32px;
    }

    &__date {
        display: block;
        font-family: $font-serif;
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 4px;
    }

    &__label {
        display: block;
        font-size: 0.9rem;
        color: var(--color-text-light);
        letter-spacing: 0.05em;
        text-transform: uppercase;
    }
}

// ==========================
// Timeline
// ==========================
.timeline {
    max-width: 650px;
    margin: 0 auto;
    position: relative;

    &::before {
        content: '';
        position: absolute;
        left: 80px;
        top: 0;
        bottom: 0;
        width: 1px;
        background: var(--color-border);
    }

    &__item {
        display: flex;
        gap: 32px;
        padding: 24px 0;
        position: relative;

        &::after {
            content: '';
            position: absolute;
            left: 74px;
            top: 32px;
            width: 13px;
            height: 13px;
            border-radius: 50%;
            border: 2px solid var(--color-accent);
            background: var(--color-white);
        }
    }

    &__time {
        flex-shrink: 0;
        width: 55px;
        font-family: $font-serif;
        font-size: 1.2rem;
        color: var(--color-primary);
        text-align: right;
        padding-top: 2px;
    }

    &__content {
        padding-left: 24px;

        h3 {
            font-family: $font-serif;
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

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

// ==========================
// Location
// ==========================
.location {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;

    &__info {
        h3 {
            font-family: $font-serif;
            font-size: 1.8rem;
            font-weight: 400;
            margin-bottom: 8px;
        }
    }

    &__address {
        color: var(--color-text-light);
        margin-bottom: 24px;
    }

    &__details {
        margin-bottom: 30px;

        p {
            padding: 6px 0;
            font-size: 0.95rem;

            strong {
                font-weight: 500;
            }
        }
    }

    &__map-placeholder {
        width: 100%;
        aspect-ratio: 4 / 3;
        background: var(--color-border);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text-light);
        font-size: 0.9rem;
        border-radius: 4px;
    }
}

// ==========================
// Details
// ==========================
.details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;

    &__card {
        text-align: center;
        padding: 40px 30px;
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: 4px;
    }

    &__icon {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    h3 {
        font-family: $font-serif;
        font-size: 1.3rem;
        font-weight: 600;
        margin-bottom: 12px;
    }

    p {
        color: var(--color-text-light);
        font-size: 0.9rem;
        line-height: 1.7;
    }
}

// ==========================
// Palette
// ==========================
.palette {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;

    &__item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    &__circle {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--swatch-color) 40%, white),
                    0 2px 8px rgba(0, 0, 0, 0.08);
    }

    &__name {
        font-size: 0.8rem;
        color: var(--color-text-light);
        letter-spacing: 0.03em;
        text-align: center;
    }
}

// ==========================
// RSVP Form
// ==========================
.rsvp-form {
    max-width: 500px;
    margin: 0 auto;

    &__group {
        margin-bottom: 20px;

        &--radio {
            display: flex;
            gap: 24px;
            justify-content: center;
        }
    }

    &__input {
        width: 100%;
        padding: 14px 18px;
        font-family: $font-sans;
        font-size: 0.9rem;
        font-weight: 300;
        color: var(--color-text);
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: 4px;
        outline: none;
        transition: border-color $transition;
        appearance: none;
        -webkit-appearance: none;

        &:focus {
            border-color: var(--color-primary);
        }

        &::placeholder {
            color: #bbb;
        }
    }

    &__textarea {
        min-height: 120px;
        resize: vertical;
    }

    &__radio {
        display: flex;
        align-items: center;
        gap: 8px;
        cursor: pointer;
        font-size: 0.9rem;

        input[type="radio"] {
            accent-color: var(--color-primary);
        }
    }

    &__success {
        text-align: center;
        font-family: $font-serif;
        font-size: 1.4rem;
        color: var(--color-primary);
        padding: 40px;
    }
}

// ==========================
// Buttons
// ==========================
.btn {
    display: inline-block;
    padding: 14px 40px;
    font-family: $font-sans;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all $transition;
    text-decoration: none;

    &--primary {
        display: block;
        width: 100%;
        background: var(--color-primary);
        color: var(--color-white);

        &:hover {
            background: var(--color-primary-light);
            color: var(--color-white);
        }
    }

    &--outline {
        border: 1px solid var(--color-primary);
        color: var(--color-primary);
        background: transparent;

        &:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }
    }
}

// ==========================
// Footer
// ==========================
.footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 50px 0;

    &__names {
        font-family: $font-serif;
        font-size: 1.6rem;
        color: var(--color-white);
        margin-bottom: 8px;
    }

    &__date {
        font-size: 0.85rem;
        letter-spacing: 0.1em;
    }
}

// ==========================
// Responsive
// ==========================
@media (max-width: 768px) {
    .nav {
        &__toggle {
            display: flex;
        }

        &__links {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--color-white);
            flex-direction: column;
            padding: 20px 24px;
            gap: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);

            a {
                color: var(--color-text) !important;

                &:hover {
                    color: var(--color-primary) !important;
                }
            }
        }

        &--open .nav__links {
            display: flex;
        }
    }

    .about {
        grid-template-columns: 1fr;
        gap: 30px;

        &__photo--groom {
            order: -1;
        }
    }

    .countdown {
        gap: 24px;
    }

    .schedule-days {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .timeline {
        &::before { left: 60px; }
        &__item::after { left: 54px; }
        &__time { width: 40px; font-size: 1rem; }
    }

    .location {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .details {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .palette {
        gap: 24px;

        &__circle {
            width: 60px;
            height: 60px;
        }
    }

    .section {
        padding: 70px 0;
    }
}
