/* =========================================
   KILLAS HERITAGE - MASTER STYLESHEET
========================================= */

:root {
    --slate-dark: #1A2124;
    --slate-mid: #2C3539;
    --copper: #D48A37;
    --stone-cream: #F4F0E8;
    --stone-light: #FAF8F5;
    --glass-bg: rgba(250, 248, 245, 0.85);
    --shadow-premium: 0 15px 35px rgba(26, 33, 36, 0.05);
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--slate-dark);
    background-color: var(--stone-light);
    margin: 0;
    padding: 0;
    line-height: 1.7;
}

h1, h2, h3 {
    font-family: 'Georgia', serif;
    font-weight: normal;
    letter-spacing: -0.02em;
}

a {
    color: var(--copper);
    text-decoration: none;
    transition: color 0.25s ease;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- HEADER & TEXTURE --- */
header {
    position: relative;
    text-align: center;
    padding: 6rem 1rem 5rem 1rem;
    background-color: var(--slate-dark);
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.15;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
}

.brand-logo {
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

header h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin: 0 0 0.5rem 0;
    color: var(--stone-light);
}

header p {
    font-size: 0.9rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--stone-cream);
    opacity: 0.7;
    margin: 0;
}

/* --- NAVIGATION --- */
nav {
    position: sticky;
    top: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--glass-bg);
    border-bottom: 1px solid rgba(44, 53, 57, 0.08);
    text-align: center;
    padding: 1.2rem 0;
    z-index: 100;
}

nav a {
    margin: 0 1.5rem;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--slate-dark);
    font-weight: 600;
}

nav a:hover {
    color: var(--copper);
}

/* --- SECTIONS & TYPOGRAPHY --- */
section {
    padding: 7rem 0;
}

.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    color: var(--slate-dark);
    margin-bottom: 4rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background-color: var(--copper);
    margin: 1.5rem auto 0;
}

.intro-text {
    text-align: center;
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-family: 'Georgia', serif;
    font-style: italic;
    color: var(--slate-mid);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* --- GRID CARDS (Index Page) --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.card {
    background: #FFFFFF;
    border: 1px solid rgba(44, 53, 57, 0.05);
    padding: 3rem;
    border-radius: 4px;
    box-shadow: var(--shadow-premium);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 138, 55, 0.3);
    box-shadow: 0 25px 50px rgba(26, 33, 36, 0.08);
}

.card h3 {
    font-size: 1.35rem;
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--slate-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card h3::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--copper);
    display: inline-block;
}

.card p {
    color: #556066;
    margin: 0;
    font-size: 0.95rem;
}

/* --- ACCORDIONS (FAQ Page) --- */
details {
    background: #FFFFFF;
    border: 1px solid rgba(44, 53, 57, 0.08);
    border-radius: 4px;
    margin-bottom: 1.5rem;
    padding: 1.8rem 2rem;
    box-shadow: var(--shadow-premium);
    transition: all 0.3s ease;
}

details[open] {
    border-color: var(--copper);
    box-shadow: 0 15px 30px rgba(212, 138, 55, 0.05);
}

summary {
    font-family: 'Georgia', serif;
    font-size: 1.2rem;
    color: var(--slate-dark);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 2.5rem;
    font-weight: 500;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '→';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--copper);
    font-size: 1.2rem;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

details[open] summary {
    color: var(--copper);
}

details[open] summary::after {
    transform: translateY(-50%) rotate(90deg);
}

details p {
    margin-top: 1.5rem;
    margin-bottom: 0;
    color: #4A5459;
    font-size: 1.05rem;
    border-top: 1px solid rgba(44, 53, 57, 0.06);
    padding-top: 1.2rem;
}

/* --- CONTACT BLOCK --- */
.contact-block {
    background: var(--slate-dark);
    color: var(--stone-light);
    padding: 5rem 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 4px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.12);
}

.contact-block p {
    font-family: 'Georgia', serif;
    font-size: 1.25rem;
    margin-top: 0;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-flex {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-flex a {
    color: var(--stone-light);
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px dashed var(--copper);
    padding-bottom: 0.2rem;
}

.contact-flex a:hover {
    color: var(--copper);
    border-bottom-style: solid;
}

/* --- FOOTER --- */
footer {
    background: var(--slate-dark);
    color: var(--stone-cream);
    text-align: center;
    padding: 2.5rem 1rem;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.8;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    section { padding: 5rem 0; }
    nav a { display: inline-block; margin: 0.5rem 1rem; }
    .contact-flex { flex-direction: column; gap: 1.5rem; }
}