/* ============================================================
   AMANDA FISHER ART — MAIN CSS
   Design system: custom properties, typography, layout, nav, footer
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
    /* Colour palette */
    --c-white:      #FFFFFF;
    --c-black:      #111111;
    --c-grey-dark:  #333333;
    --c-grey-mid:   #666666;
    --c-grey-light: #F2F2F2;
    --c-grey-line:  #E0E0E0;
    --c-sold:       #999999;

    /* Status colours */
    --c-success-bg:   #F0FAF4;
    --c-success-text: #1A7C3E;
    --c-error-bg:     #FEF2F2;
    --c-error-text:   #991B1B;

    /* Typography */
    --font-serif:   'Cormorant Garamond', Georgia, serif;
    --font-sans:    'DM Sans', system-ui, sans-serif;
    --font-mono:    'Courier New', monospace;

    /* Type scale */
    --text-xs:   0.75rem;    /* 12px */
    --text-sm:   0.875rem;   /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg:   1.125rem;   /* 18px */
    --text-xl:   1.375rem;   /* 22px */
    --text-2xl:  1.75rem;    /* 28px */
    --text-3xl:  2.25rem;    /* 36px */
    --text-4xl:  3rem;       /* 48px */
    --text-5xl:  4rem;       /* 64px */
    --text-6xl:  5.5rem;     /* 88px */

    /* Spacing */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-14: 3.5rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-28: 7rem;
    --space-32: 8rem;

    /* Layout */
    --max-width: 1440px;
    --gutter:    clamp(1.5rem, 5vw, 4rem);

    /* Header */
    --header-height: 72px;

    /* Transitions — cubic-bezier curves for refined motion */
    --transition-fast:   180ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-base:   320ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow:   520ms cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring:       cubic-bezier(0.22, 1, 0.36, 1);

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.12);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

/* Page enter: every page fades in softly on load */
@keyframes page-enter {
    from { opacity: 0; }
    to   { opacity: 1; }
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 300;
    line-height: 1.65;
    color: var(--c-black);
    background-color: var(--c-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    animation: page-enter 0.3s ease-out both;
}

/* Page exit: JS adds .is-leaving on link click before navigating */
body.is-leaving {
    animation: none;
    opacity: 0;
    transition: opacity 0.24s ease-in;
    pointer-events: none;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl)); font-weight: 300; }
h2 { font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }

p {
    max-width: 65ch;
}

.text-serif   { font-family: var(--font-serif); }
.text-sans    { font-family: var(--font-sans); }
.text-light   { font-weight: 300; }
.text-normal  { font-weight: 400; }
.text-medium  { font-weight: 500; }
.text-italic  { font-style: italic; }
.text-upper   { text-transform: uppercase; letter-spacing: 0.1em; }
.text-mid     { color: var(--c-grey-mid); }
.text-small   { font-size: var(--text-sm); }

/* ── Layout Utilities ───────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.container--narrow {
    max-width: 960px;
}

.container--wide {
    max-width: 1600px;
}

.section {
    padding-block: clamp(var(--space-16), 6.5vw, var(--space-24));
}

.section--tight {
    padding-block: clamp(var(--space-10), 4vw, var(--space-16));
}

/* Sections that benefit from more vertical air — testimonials, centred statements */
.section--breathing {
    padding-block: clamp(var(--space-20), 7vw, var(--space-28));
}

/* Flush variants for when sections share a background and only one side needs space */
.section--flush-top    { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition:
        background-color var(--transition-base),
        color var(--transition-fast),
        border-color var(--transition-base),
        transform 320ms var(--ease-spring);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--c-black);
    color: var(--c-white);
    border-color: var(--c-black);
    width: 100%;
}

.btn--primary:hover {
    background-color: var(--c-grey-dark);
    border-color: var(--c-grey-dark);
    transform: translateY(-1px);
}

.btn--outline {
    background-color: transparent;
    color: var(--c-black);
    border-color: var(--c-black);
}

.btn--outline:hover {
    background-color: var(--c-black);
    color: var(--c-white);
    transform: translateY(-1px);
}

.btn--ghost {
    background-color: transparent;
    color: var(--c-black);
    border-color: transparent;
    padding-inline: 0;
}

.btn--ghost:hover {
    color: var(--c-grey-mid);
    transform: none;
}

.btn--disabled,
.btn[disabled] {
    background-color: var(--c-grey-light);
    color: var(--c-sold);
    border-color: var(--c-grey-light);
    cursor: not-allowed;
    pointer-events: none;
    width: 100%;
}

/* ── Site Header ────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base), background-color var(--transition-base);
}

.site-header.scrolled {
    border-bottom-color: var(--c-grey-line);
}

/* Transparent header variant (used on homepage over hero) */
.site-header--transparent {
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.site-header--transparent .site-logo,
.site-header--transparent .nav-link,
.site-header--transparent .basket-icon {
    color: var(--c-white);
    transition: color 350ms ease, opacity var(--transition-fast);
}

.site-header--transparent .nav-toggle__line {
    background-color: var(--c-white);
    transition: background-color 350ms ease, transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header--transparent.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
}

.site-header--transparent.scrolled .site-logo,
.site-header--transparent.scrolled .nav-link,
.site-header--transparent.scrolled .basket-icon {
    color: var(--c-black);
}

.site-header--transparent.scrolled .nav-toggle__line {
    background-color: var(--c-black);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.site-logo {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--c-black);
    transition: opacity var(--transition-fast);
}

.site-logo:hover {
    opacity: 0.7;
}

/* Desktop nav */
.site-nav {
    display: none;
}

@media (min-width: 768px) {
    .site-nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-black);
    position: relative;
    padding-bottom: 2px;
    transition: opacity var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link--active::after {
    transform: scaleX(1);
}

.nav-link--active {
    opacity: 1;
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Basket icon */
.basket-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-black);
    transition: opacity var(--transition-fast);
}

.basket-icon:hover {
    opacity: 0.6;
}

.basket-count {
    position: absolute;
    top: -6px;
    right: -8px;
    min-width: 18px;
    height: 18px;
    background-color: var(--c-black);
    color: var(--c-white);
    font-size: 10px;
    font-weight: 500;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.basket-count.has-items {
    opacity: 1;
}

/* Mobile nav toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    padding: 0;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle__line {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--c-black);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    transform-origin: center;
}

.nav-toggle.is-active .nav-toggle__line:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle__line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.is-active .nav-toggle__line:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

/* ── Mobile Nav ─────────────────────────────────────────── */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--c-white);
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform 500ms var(--ease-spring);
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
}

.mobile-nav-link {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: 300;
    letter-spacing: 0.02em;
    color: var(--c-black);
    transition: opacity var(--transition-fast);
}

.mobile-nav-link:hover {
    opacity: 0.5;
}

/* ── Main content offset ────────────────────────────────── */
main#main-content {
    min-height: calc(100vh - var(--header-height));
}

body:not(.page-home) main#main-content {
    padding-top: var(--header-height);
}

/* ── Page Header (inner pages) ──────────────────────────── */
.page-header {
    padding-top: clamp(var(--space-12), 5vw, var(--space-20));
    padding-bottom: var(--space-10);
    border-bottom: 1px solid var(--c-grey-line);
}

.page-header__title {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 300;
}

.page-header__meta {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--c-grey-mid);
    letter-spacing: 0.05em;
}

/* ── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-grey-mid);
    padding-block: var(--space-6);
}

.breadcrumb a {
    color: var(--c-grey-mid);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--c-black);
}

.breadcrumb__sep {
    opacity: 0.4;
}

/* ── Section headings ───────────────────────────────────── */
.section-heading {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
    font-weight: 300;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-12);
}

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

/* ── Enquire link ───────────────────────────────────────── */
.enquire-link {
    display: block;
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--c-grey-mid);
    text-decoration: underline;
    text-underline-offset: 3px;
    margin-top: var(--space-4);
    transition: color var(--transition-fast);
}

.enquire-link:hover {
    color: var(--c-black);
}

/* ── Sold badge ─────────────────────────────────────────── */
.sold-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    background-color: var(--c-grey-light);
    color: var(--c-sold);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ── Divider ────────────────────────────────────────────── */
.divider {
    width: 40px;
    height: 1px;
    background-color: var(--c-black);
    margin-block: var(--space-8);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 900ms var(--ease-spring);
}

.divider--center {
    margin-inline: auto;
    transform-origin: center;
}

.divider.is-visible {
    transform: scaleX(1);
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.form-label {
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-grey-mid);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4);
    background-color: var(--c-white);
    border: 1px solid var(--c-grey-line);
    border-radius: 0;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 300;
    color: var(--c-black);
    transition: border-color var(--transition-fast);
    appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--c-black);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--c-grey-mid);
    font-weight: 300;
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); /* SVG data URI — cannot use CSS var, matches --c-grey-mid */
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.form-message {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
}

.form-message--success {
    background-color: var(--c-success-bg);
    color: var(--c-success-text);
    border-left: 3px solid var(--c-success-text);
}

.form-message--error {
    background-color: var(--c-error-bg);
    color: var(--c-error-text);
    border-left: 3px solid var(--c-error-text);
}

/* ── Testimonials Carousel ──────────────────────────────── */
.testimonials-section {
    background-color: var(--c-grey-light);
    border-top: 1px solid var(--c-grey-line);
    overflow: hidden;
}

/* Swiper container: clips off-screen slides */
.testimonials-swiper {
    overflow: hidden;
    width: 100%;
}

/*
 * Slide: always full-width — do NOT add display:flex or max-width here.
 * Swiper reads offsetWidth at init and uses it for centeredSlides maths.
 * Any width constraint on the slide itself breaks that calculation.
 */
.testimonials-swiper .swiper-slide {
    width: 100% !important;
    min-width: 0;
    flex-shrink: 0;
    overflow: hidden;
    box-sizing: border-box;
}

/*
 * .testimonial-slide IS the .swiper-slide (same element, dual class).
 * Keep it full-width. Centre content via text-align + margin-inline auto
 * on children — not via max-width on the slide itself.
 */
.testimonial-slide {
    width: 100%;
    box-sizing: border-box;
    padding: var(--space-10) var(--gutter);
    text-align: center;
}

/* Quote: readable line length, centred within the full-width slide */
.testimonial-quote {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
    font-weight: 300;
    font-style: italic;
    line-height: 1.5;
    max-width: 52ch;
    margin-inline: auto;
    margin-bottom: var(--space-6);
    color: var(--c-black);
}

.testimonial-author {
    font-size: var(--text-sm);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-grey-mid);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
    background-color: var(--c-black);
    color: var(--c-white);
    padding-top: clamp(var(--space-12), 6vw, var(--space-24));
}

.footer-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
    padding-bottom: var(--space-12);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

@media (min-width: 640px) {
    .footer-inner {
        grid-template-columns: 2fr 1fr 1fr;
        align-items: start;
    }
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--c-white);
    display: block;
    margin-bottom: var(--space-3);
}

.footer-tagline {
    font-size: var(--text-sm);
    font-weight: 300;
    color: rgba(255,255,255,0.55);
    line-height: 1.55;
    max-width: 32ch;
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-nav-list a {
    font-size: var(--text-sm);
    font-weight: 300;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
    color: var(--c-white);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.15);
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.social-link:hover {
    color: var(--c-white);
    border-color: rgba(255,255,255,0.4);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-block: var(--space-6);
    text-align: center;
}

.footer-copyright {
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.35);
    max-width: none;
}

/* ── Price ──────────────────────────────────────────────── */
.price {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.price--sold {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-sold);
}

/* ── Animations ─────────────────────────────────────────── */
[data-aos] {
    transition-property: opacity, transform;
}

/* ── Media: reduced motion ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    [data-aos] {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ── Utility: aspect ratios ─────────────────────────────── */
.aspect-square    { aspect-ratio: 1/1; }
.aspect-portrait  { aspect-ratio: 3/4; }
.aspect-landscape { aspect-ratio: 4/3; }
.aspect-wide      { aspect-ratio: 16/9; }

.object-cover  { object-fit: cover; width: 100%; height: 100%; }
.object-contain { object-fit: contain; width: 100%; height: 100%; }