/* ============================================================
   PARADISA — Main Stylesheet
   Imports variables, then defines base styles + layout
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--text-light);
    background: var(--stone-bg);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul, ol { list-style: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
    line-height: 1.15;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

.overline {
    font-size: var(--fs-overline);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 12px;
    display: block;
}

.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted-lt); }

/* ── CONTAINERS ── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ── SECTIONS ── */
.section { padding: var(--section-padding) 0; }
.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 70px;
}
.section-intro p { color: var(--text-muted-lt); }

/* ── HEADER (Blur) ── */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(var(--header-blur));
    -webkit-backdrop-filter: blur(var(--header-blur));
    border-bottom: 1px solid var(--stone-border);
    transition: background var(--transition-medium), border-color var(--transition-medium);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo {
    font-size: 13px;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: var(--font-weight-semibold);
}

.site-logo:hover { color: var(--gold-light); }

/* ── NAV ── */
.main-nav { display: flex; align-items: center; gap: 32px; }

.main-nav a {
    color: var(--text-muted-lt);
    font-size: var(--fs-small);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
    position: relative;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--gold); }

.main-nav a[aria-current="page"]::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0; right: 0;
    height: 1.5px;
    background: var(--gold);
}

/* ── HAMBURGER (Mobile) ── */
.nav-toggle {
    display: none;
    background: none; border: none; cursor: pointer;
    width: 28px; height: 20px; position: relative;
}

.nav-toggle span {
    display: block; width: 100%; height: 2px;
    background: var(--text-light);
    position: absolute; left: 0;
    transition: all var(--transition-fast);
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 9px; }
.nav-toggle span:nth-child(3) { top: 18px; }

.nav-toggle.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ── MATERIAL NAV (sticky sub-nav) ── */
.material-nav {
    position: sticky;
    top: var(--header-height);
    z-index: 999;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--stone-border);
    transition: background var(--transition-slow), border-color var(--transition-slow);
}

.material-nav .container {
    display: flex;
    align-items: center;
    gap: 8px;
    height: var(--matnav-height);
}

.material-nav-label {
    font-size: var(--fs-overline);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted-lt);
    margin-right: 16px;
    font-weight: var(--font-weight-medium);
}

.mat-tab {
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: all var(--transition-medium);
}

.mat-tab-stone  { color: var(--gold);           border-color: var(--gold);           background: var(--gold-dim); }
.mat-tab-glass  { color: var(--glass-accent);    border-color: rgba(58,107,140,0.3);  background: rgba(58,107,140,0.08); }
.mat-tab-ceramic { color: var(--ceramic-accent); border-color: rgba(138,112,80,0.3);  background: rgba(138,112,80,0.08); }

.mat-tab:hover { transform: translateY(-1px); }

/* ── BUTTONS ── */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
}

.btn-gold {
    background: var(--gold);
    color: var(--stone-bg);
}

.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    border: 1.5px solid var(--gold);
    color: var(--gold);
    background: transparent;
}

.btn-outline:hover {
    background: var(--gold);
    color: var(--stone-bg);
}

.btn-outline-dark {
    border: 1.5px solid var(--text-dark);
    color: var(--text-dark);
    background: transparent;
}

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

/* ── MATERIAL PILLS ── */
.mat-pills { display: flex; gap: 6px; flex-wrap: wrap; }

.mat-pill {
    font-size: 9px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    padding: 4px 10px;
    border-radius: 20px;
}

.pill-stone   { background: rgba(201,169,110,0.2); color: var(--gold); }
.pill-glass   { background: rgba(58,107,140,0.2);  color: #82aac8; }
.pill-ceramic { background: rgba(180,150,100,0.2);  color: #c8b48c; }

/* ── CARD LINK ── */
.card-link {
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap var(--transition-medium);
}

.card-link:hover { gap: 14px; }
.card-link::after { content: '→'; }

/* ── GRIDS ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg); align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-sm); }

/* ── FOOTER ── */
.site-footer {
    padding: 60px 0;
    background: #111;
    border-top: 1px solid var(--stone-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: var(--fs-overline);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    color: var(--gold);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-muted-lt);
    font-size: var(--fs-small);
    padding: 4px 0;
}

.footer-col a:hover { color: var(--gold); }

.footer-col p {
    font-size: var(--fs-small);
    color: var(--text-muted-lt);
    line-height: 1.6;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--stone-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p { font-size: var(--fs-xs); color: var(--text-muted-lt); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .main-nav { display: none; }
    .nav-toggle { display: block; }
    .main-nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0; right: 0;
        background: var(--stone-bg);
        border-bottom: 1px solid var(--stone-border);
        padding: 24px var(--container-padding);
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .material-nav .container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}