/* =========================================================
   NDAMU GUEST HOUSE
   Global Styles
   ========================================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Playfair+Display:wght@500;600;700&display=swap');


/* =========================================================
   1. DESIGN TOKENS
   ========================================================= */

:root {

    /* Brand Colors */
    --color-primary: #183C32;
    --color-primary-dark: #102C25;
    --color-primary-light: #285747;

    --color-accent: #B58A4A;
    --color-accent-light: #C9A66A;

    /* Neutral Colors */
    --color-ivory: #F7F3EA;
    --color-sand: #E8DDCA;
    --color-white: #FFFFFF;
    --color-text: #252525;
    --color-text-light: #666666;
    --color-border: rgba(37, 37, 37, 0.12);

    /* Typography */
    --font-heading: "Playfair Display", serif;
    --font-body: "Manrope", sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.75rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    /* Layout */
    --container-width: 1240px;
    --container-padding: 2rem;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-normal: 350ms ease;
    --transition-slow: 600ms ease;

    /* Shadows */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 15px 40px rgba(0, 0, 0, 0.10);
}


/* =========================================================
   2. RESET
   ========================================================= */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    border: none;
    cursor: pointer;
}

ul,
ol {
    list-style: none;
}


/* =========================================================
   3. TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-primary);
}

h1 {
    font-size: var(--text-6xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

p {
    color: var(--color-text-light);
}

.text-center {
    text-align: center;
}


/* =========================================================
   4. LAYOUT
   ========================================================= */

.container {
    width: min(
        100% - (var(--container-padding) * 2),
        var(--container-width)
    );

    margin-inline: auto;
}

.section {
    padding-block: var(--space-3xl);
}

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

.section--green {
    background: var(--color-primary);
}

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


/* =========================================================
   5. SECTION HEADERS
   ========================================================= */

.section-header {
    max-width: 700px;
    margin-bottom: var(--space-xl);
}

.section-header--center {
    margin-inline: auto;
    text-align: center;
}

.section-label {
    display: inline-block;
    margin-bottom: var(--space-sm);

    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;

    color: var(--color-accent);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-description {
    max-width: 650px;
    font-size: var(--text-lg);
}


/* =========================================================
   6. BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;

    min-height: 52px;
    padding: 0.8rem 1.5rem;

    border: 1px solid transparent;
    border-radius: var(--radius-sm);

    font-size: var(--text-sm);
    font-weight: 700;

    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px);
}

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

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

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

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

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

.btn-accent:hover {
    background: #9E763E;
}

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

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


/* =========================================================
   7. NAVIGATION
   ========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;

    width: 100%;

    transition:
        background-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.site-header.scrolled {
    background: rgba(24, 60, 50, 0.97);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
}

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

    min-height: 84px;
}

.logo {
    display: flex;
    flex-direction: column;

    color: var(--color-white);
}

.logo__name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1;
}

.logo__subtitle {
    margin-top: 0.25rem;

    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;

    opacity: 0.8;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    position: relative;

    color: var(--color-white);

    font-size: var(--text-sm);
    font-weight: 600;

    transition: color var(--transition-fast);
}

.nav-link::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -6px;

    width: 0;
    height: 1px;

    background: var(--color-accent);

    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-accent-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}


/* Mobile Menu Button */

.menu-toggle {
    display: none;

    width: 44px;
    height: 44px;

    color: var(--color-white);
    background: transparent;
}

.menu-toggle span {
    display: block;

    width: 24px;
    height: 2px;

    margin: 5px auto;

    background: currentColor;

    transition: transform var(--transition-fast);
}


/* =========================================================
   8. IMAGE UTILITIES
   ========================================================= */

.image-wrapper {
    overflow: hidden;
    border-radius: var(--radius-md);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;

    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.04);
}


/* =========================================================
   9. CARDS
   ========================================================= */

.card {
    overflow: hidden;

    background: var(--color-white);
    border-radius: var(--radius-md);

    box-shadow: var(--shadow-soft);
}

.card__image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;

    transition: transform var(--transition-slow);
}

.card:hover .card__image img {
    transform: scale(1.04);
}

.card__content {
    padding: var(--space-lg);
}


/* =========================================================
   10. LINKS
   ========================================================= */

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;

    color: var(--color-primary);

    font-size: var(--text-sm);
    font-weight: 700;

    transition: gap var(--transition-fast);
}

.text-link:hover {
    gap: 0.8rem;
}

.text-link--light {
    color: var(--color-white);
}


/* =========================================================
   11. ACCESSIBILITY
   ========================================================= */

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

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


/* =========================================================
   12. SCROLL REVEAL
   ========================================================= */

.reveal {
    opacity: 0;
    transform: translateY(30px);

    transition:
        opacity 700ms ease,
        transform 700ms ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================
   14. FOOTER
   ========================================================= */

.site-footer {
    padding-top: 5rem;

    color: rgba(255, 255, 255, 0.72);

    background: var(--color-primary);
}


/* =========================================================
   FOOTER GRID
   ========================================================= */

.site-footer__grid {
    display: grid;

    grid-template-columns:
        1.5fr
        1fr
        1fr
        1.2fr;

    gap: 4rem;

    padding-bottom: 4rem;
}


/* =========================================================
   FOOTER BRAND
   ========================================================= */

.site-footer__brand {
    max-width: 330px;
}

.site-footer__brand .logo {
    margin-bottom: 1.5rem;
}

.site-footer__brand p {
    max-width: 300px;

    color: rgba(255, 255, 255, 0.62);

    font-size: var(--text-sm);
    line-height: 1.8;
}


/* =========================================================
   FOOTER COLUMNS
   ========================================================= */

.site-footer__column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;

    gap: 0.7rem;
}

.site-footer__column h3 {
    margin-bottom: 0.75rem;

    color: var(--color-white);

    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 700;

    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-footer__column a {
    color: rgba(255, 255, 255, 0.62);

    font-size: var(--text-sm);

    transition:
        color var(--transition-fast),
        transform var(--transition-fast);
}

.site-footer__column a:hover {
    color: var(--color-accent-light);

    transform: translateX(3px);
}

.site-footer__column p {
    margin-bottom: 0.5rem;

    color: rgba(255, 255, 255, 0.62);

    font-size: var(--text-sm);
    line-height: 1.7;
}

.site-footer__column .text-link {
    color: var(--color-accent-light);
}


/* =========================================================
   FOOTER BOTTOM
   ========================================================= */

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 1.5rem;

    padding-block: 1.5rem;

    border-top: 1px solid rgba(255, 255, 255, 0.12);

    color: rgba(255, 255, 255, 0.45);

    font-size: var(--text-xs);
}

.site-footer__bottom strong {
    color: rgba(255, 255, 255, 0.7);

    font-weight: 600;
}


/* =========================================================
   FOOTER RESPONSIVE
   ========================================================= */

@media (max-width: 1024px) {

    .site-footer__grid {
        grid-template-columns:
            1.5fr
            1fr
            1fr;

        gap: 3rem;
    }

    .site-footer__brand {
        grid-column: 1 / -1;

        max-width: 500px;
    }
}


@media (max-width: 768px) {

    .site-footer {
        padding-top: 4rem;
    }

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;

        gap: 3rem 2rem;

        padding-bottom: 3rem;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }

    .site-footer__bottom {
        align-items: flex-start;

        flex-direction: column;

        gap: 0.5rem;
    }
}


@media (max-width: 480px) {

    .site-footer__grid {
        grid-template-columns: 1fr;

        gap: 2.5rem;
    }

    .site-footer__brand {
        grid-column: auto;
    }

    .site-footer__bottom {
        font-size: 0.7rem;
    }
}


/* =========================================================
   13. RESPONSIVE
   ========================================================= */

@media (max-width: 1024px) {

    :root {
        --container-padding: 1.5rem;
        --text-6xl: 3.75rem;
        --text-5xl: 3rem;
        --text-4xl: 2.4rem;
        --space-3xl: 6rem;
    }

    .nav-menu {
        gap: 1.25rem;
    }
}


@media (max-width: 768px) {

    :root {
        --container-padding: 1.25rem;

        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --text-4xl: 2.1rem;
        --text-3xl: 1.75rem;

        --space-2xl: 4rem;
        --space-3xl: 5rem;
    }

    .section {
        padding-block: var(--space-2xl);
    }

    /* Mobile Navigation */

    .nav-menu {
        position: fixed;
        top: 84px;
        left: 0;

        display: flex;
        flex-direction: column;
        align-items: flex-start;

        width: 100%;
        padding: 2rem 1.25rem;

        background: var(--color-primary);

        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);

        transition:
            opacity var(--transition-fast),
            visibility var(--transition-fast),
            transform var(--transition-fast);
    }

    .nav-menu.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .menu-toggle {
        display: block;
    }

    .nav-actions {
        display: none;
    }

    .nav-link {
        font-size: var(--text-base);
    }

    .navbar {
        min-height: 76px;
    }

    .section-description {
        font-size: var(--text-base);
    }
}


@media (max-width: 480px) {

    :root {
        --container-padding: 1rem;
    }

    .btn {
        width: 100%;
    }

    .section-header {
        margin-bottom: var(--space-lg);
    }

    .logo__name {
        font-size: 1.3rem;
    }
}