/* ═══════════════════════════════════════
   ERWIN LASS — MAIN STYLESHEET
   ═══════════════════════════════════════ */

:root {
    --color-navy:        #1B2A4A;
    --color-navy-deep:   #111D35;
    --color-navy-light:  #2A3D63;
    --color-gold:        #C8A96E;
    --color-gold-light:  #D4BC8B;
    --color-gold-pale:   #F5EFE4;
    --color-white:       #FFFFFF;
    --color-off-white:   #FAFAF8;
    --color-warm-grey:   #F4F2EF;
    --color-text:        #2D2D2D;
    --color-text-light:  #6B6B6B;
    --color-text-muted:  #9A9A9A;
    --color-border:      #E5E2DD;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body:    'Inter', -apple-system, sans-serif;
    --space-xs: 0.5rem; --space-sm: 1rem; --space-md: 1.5rem;
    --space-lg: 2.5rem; --space-xl: 4rem; --space-2xl: 6rem; --space-3xl: 8rem;
    --container-max: 1200px;
    --header-height: 80px;
    --radius-sm: 6px; --radius-md: 12px; --radius-lg: 20px;
    --shadow-sm:  0 1px 3px rgba(27,42,74,0.06);
    --shadow-md:  0 4px 16px rgba(27,42,74,0.08);
    --shadow-lg:  0 8px 32px rgba(27,42,74,0.10);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    overflow-x: hidden;
}

img { max-width:100%; height:auto; display:block; }
a { color: var(--color-navy); text-decoration:none; transition: color var(--transition); }
a:hover { color: var(--color-gold); }
ul { list-style: none; }

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

.section-header { text-align:center; margin-bottom: var(--space-xl); }
.section-label {
    display:inline-block; font-size:0.75rem; font-weight:600;
    letter-spacing:0.15em; text-transform:uppercase; color: var(--color-gold);
    margin-bottom: var(--space-sm);
}
.section-title {
    font-family: var(--font-heading); font-size: clamp(2rem,4vw,2.75rem);
    font-weight:600; color: var(--color-navy); line-height:1.2; margin-bottom: var(--space-sm);
}
.section-subtitle { font-size:1.1rem; color: var(--color-text-light); max-width:560px; margin:0 auto; }

/* HEADER */
.site-header {
    position:fixed; top:0; left:0; right:0; z-index:1000;
    height: var(--header-height);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
    background: rgba(255,255,255,0.98);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}
.header-container {
    max-width: var(--container-max); margin:0 auto; padding:0 var(--space-md);
    height:100%; display:flex; align-items:center; justify-content:space-between;
}
.site-logo { display:flex; flex-direction:column; text-decoration:none; }
.logo-name {
    font-family: var(--font-heading); font-size:1.3rem; font-weight:600;
    color: var(--color-navy); line-height:1.2;
}
.logo-title {
    font-size:0.7rem; font-weight:500; color: var(--color-gold);
    text-transform:uppercase; letter-spacing:0.12em;
}
.nav-list { display:flex; align-items:center; gap: var(--space-lg); }
.nav-link {
    font-size:0.9rem; font-weight:500; color: var(--color-text);
    position:relative; padding:0.25rem 0; transition: color var(--transition);
}
.nav-link::after {
    content:''; position:absolute; bottom:-2px; left:0;
    width:0; height:2px; background: var(--color-gold); transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--color-navy); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }
.nav-link--cta {
    background: var(--color-navy); color: var(--color-white) !important;
    padding:0.6rem 1.5rem; border-radius:50px;
    transition: background var(--transition), transform var(--transition);
}
.nav-link--cta::after { display:none; }
.nav-link--cta:hover {
    background: var(--color-navy-light); color: var(--color-white) !important;
    transform: translateY(-1px);
}

.menu-toggle {
    display:none; flex-direction:column; justify-content:center; gap:5px;
    background:none; border:none; cursor:pointer; padding:8px; z-index:1001;
}
.hamburger-line { width:24px; height:2px; background: var(--color-navy); transition: transform var(--transition), opacity var(--transition); }
.menu-toggle.active .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.menu-toggle.active .hamburger-line:nth-child(2) { opacity:0; }
.menu-toggle.active .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* HERO */
.hero {
    position:relative; min-height:100vh; display:flex; align-items:center; justify-content:center;
    background: linear-gradient(145deg, var(--color-navy-deep) 0%, var(--color-navy) 40%, var(--color-navy-light) 100%);
    overflow:hidden;
}
.hero::before {
    content:''; position:absolute; inset:0;
    background: radial-gradient(ellipse 600px 400px at 70% 30%, rgba(200,169,110,0.12) 0%, transparent 70%),
                radial-gradient(ellipse 400px 300px at 20% 70%, rgba(200,169,110,0.06) 0%, transparent 70%);
    pointer-events:none;
}
.hero-overlay {
    position:absolute; inset:0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><defs><pattern id="g" patternUnits="userSpaceOnUse" width="100" height="100"><circle cx="50" cy="50" r="0.5" fill="rgba(200,169,110,0.08)"/></pattern></defs><rect fill="url(%23g)" width="100" height="100"/></svg>');
    pointer-events:none;
}
.hero-content { position:relative; text-align:center; padding: var(--space-3xl) var(--space-md); }
.hero-greeting {
    font-size:0.85rem; font-weight:500; letter-spacing:0.15em;
    text-transform:uppercase; color: var(--color-gold); margin-bottom: var(--space-md);
}
.hero-heading {
    font-family: var(--font-heading); font-size: clamp(3rem,7vw,5.5rem);
    font-weight:700; color: var(--color-white); line-height:1.05; margin-bottom: var(--space-sm);
}
.hero-subheading {
    font-size:1.15rem; font-weight:400; letter-spacing:0.08em;
    text-transform:uppercase; color: var(--color-gold-light); margin-bottom: var(--space-lg);
}
.hero-tagline {
    font-size:1.15rem; color: rgba(255,255,255,0.7); max-width:480px;
    margin:0 auto var(--space-xl); line-height:1.6;
}
.hero-actions { display:flex; gap: var(--space-sm); justify-content:center; flex-wrap:wrap; }

.btn {
    display:inline-flex; align-items:center; justify-content:center;
    padding:0.85rem 2.2rem; font-family: var(--font-body); font-size:0.95rem;
    font-weight:500; border-radius:50px; text-decoration:none;
    transition: all var(--transition); cursor:pointer; border:none;
}
.btn--primary { background: var(--color-gold); color: var(--color-navy-deep); }
.btn--primary:hover { background: var(--color-gold-light); color: var(--color-navy-deep); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(200,169,110,0.35); }
.btn--outline { background:transparent; color: var(--color-white); border:1.5px solid rgba(255,255,255,0.3); }
.btn--outline:hover { border-color: var(--color-white); color: var(--color-white); transform: translateY(-2px); }

.hero-scroll-indicator { position:absolute; bottom: var(--space-lg); left:50%; transform: translateX(-50%); }
.hero-scroll-indicator span {
    display:block; width:24px; height:40px;
    border:2px solid rgba(255,255,255,0.3); border-radius:12px; position:relative;
}
.hero-scroll-indicator span::after {
    content:''; position:absolute; top:6px; left:50%; transform: translateX(-50%);
    width:4px; height:8px; background: var(--color-gold); border-radius:4px;
    animation: scrollBounce 1.8s ease-in-out infinite;
}
@keyframes scrollBounce {
    0%,100% { transform: translateX(-50%) translateY(0); opacity:1; }
    50% { transform: translateX(-50%) translateY(12px); opacity:0.3; }
}

/* ABOUT */
.about { padding: var(--space-3xl) 0; background: var(--color-white); }
.about-grid { display:grid; grid-template-columns: 300px 1fr; gap: var(--space-xl); align-items:start; }
.about-portrait {
    width:100%; max-width:300px; border-radius: var(--radius-md);
    box-shadow: var(--shadow-md); object-fit:cover; aspect-ratio:3/4;
}
.about-lead { font-size:1.2rem; color: var(--color-navy); font-weight:500; line-height:1.6; margin-bottom: var(--space-md); }
.about-content p { margin-bottom: var(--space-sm); color: var(--color-text-light); }
.qualifications {
    margin-top: var(--space-lg); padding: var(--space-md);
    background: var(--color-warm-grey); border-radius: var(--radius-md);
    border-left:3px solid var(--color-gold);
}
.qualifications-title { font-family: var(--font-heading); font-size:1.15rem; font-weight:600; color: var(--color-navy); margin-bottom: var(--space-sm); }
.qualifications-list { display:flex; flex-direction:column; gap:0.4rem; }
.qualifications-list li { font-size:0.95rem; color: var(--color-text-light); padding-left:1.2rem; position:relative; }
.qualifications-list li::before { content:''; position:absolute; left:0; top:0.6rem; width:6px; height:6px; border-radius:50%; background: var(--color-gold); }
.registration-numbers {
    margin-top: var(--space-sm); padding-top: var(--space-sm);
    border-top:1px solid var(--color-border);
}
.registration-numbers p { font-size:0.85rem; color: var(--color-text-muted); margin-bottom:0.15rem; }

/* SERVICES */
.services { padding: var(--space-3xl) 0; background: var(--color-off-white); }
.services-grid { display:flex; flex-wrap:wrap; justify-content:center; gap: var(--space-md); }
.service-card { flex: 0 1 calc(33.333% - var(--space-md));
    background: var(--color-white); padding: var(--space-lg); border-radius: var(--radius-md);
    border:1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-gold-light); }
.service-icon { width:48px; height:48px; color: var(--color-gold); margin-bottom: var(--space-md); }
.service-icon svg { width:100%; height:100%; }
.service-title { font-family: var(--font-heading); font-size:1.15rem; font-weight:600; color: var(--color-navy); margin-bottom: var(--space-xs); }
.service-desc { font-size:0.9rem; color: var(--color-text-light); line-height:1.6; }

/* APPROACH */
.approach { padding: var(--space-3xl) 0; background: var(--color-navy); }
.approach .section-label { color: var(--color-gold); }
.approach .section-title { color: var(--color-white); }
.approach-grid { display:grid; grid-template-columns: repeat(2,1fr); gap: var(--space-md); }
.approach-card {
    padding: var(--space-lg); background: rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md);
    transition: background var(--transition), border-color var(--transition);
}
.approach-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(200,169,110,0.25); }
.approach-number { font-family: var(--font-heading); font-size:2rem; font-weight:700; color: var(--color-gold); opacity:0.4; margin-bottom: var(--space-sm); line-height:1; display:inline-block; }
.approach-heading { font-family: var(--font-heading); font-size:1.25rem; font-weight:600; color: var(--color-white); margin-bottom: var(--space-sm); }
.approach-card p { font-size:0.95rem; color: rgba(255,255,255,0.65); line-height:1.6; }

/* CONTACT */
.contact { padding: var(--space-3xl) 0; background: var(--color-white); }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap: var(--space-xl); align-items:start; }
.contact-details { display:flex; flex-direction:column; gap: var(--space-lg); }
.contact-item { display:flex; gap: var(--space-md); align-items:flex-start; }
.contact-icon {
    flex-shrink:0; width:44px; height:44px; background: var(--color-gold-pale);
    border-radius:50%; display:flex; align-items:center; justify-content:center; color: var(--color-gold);
}
.contact-icon svg { width:20px; height:20px; }
.contact-item h3 { font-family: var(--font-heading); font-size:1rem; font-weight:600; color: var(--color-navy); margin-bottom:0.25rem; }
.contact-item p { font-size:0.95rem; color: var(--color-text-light); margin-bottom:0.2rem; }
.contact-item a { color: var(--color-navy); font-weight:500; }
.contact-item a:hover { color: var(--color-gold); }
.contact-label { font-size:0.8rem; color: var(--color-text-muted); font-weight:400; }
.contact-map { border-radius: var(--radius-md); overflow:hidden; box-shadow: var(--shadow-md); min-height:380px; }
.contact-map iframe { width:100%; height:100%; min-height:380px; }

/* FOOTER */
.site-footer { background: var(--color-navy-deep); padding: var(--space-xl) 0 var(--space-md); }
.footer-content {
    display:flex; justify-content:space-between; align-items:center;
    padding-bottom: var(--space-md); border-bottom:1px solid rgba(255,255,255,0.08);
    margin-bottom: var(--space-md);
}
.footer-name { display:block; font-family: var(--font-heading); font-size:1.2rem; font-weight:600; color: var(--color-white); }
.footer-title { display:block; font-size:0.75rem; font-weight:500; color: var(--color-gold); text-transform:uppercase; letter-spacing:0.1em; }
.footer-contact { text-align:right; }
.footer-contact p { font-size:0.85rem; color: rgba(255,255,255,0.5); margin-bottom:0.2rem; }
.footer-contact a { color: rgba(255,255,255,0.7); }
.footer-contact a:hover { color: var(--color-gold); }
.footer-bottom { text-align:center; }
.footer-bottom p { font-size:0.8rem; color: rgba(255,255,255,0.35); }

/* ANIMATIONS */
.fade-in { opacity:0; transform: translateY(20px); animation: fadeInUp 0.8s ease forwards; }
.fade-in--delay-1 { animation-delay:0.15s; }
.fade-in--delay-2 { animation-delay:0.3s; }
.fade-in--delay-3 { animation-delay:0.45s; }
.fade-in--delay-4 { animation-delay:0.6s; }
@keyframes fadeInUp { to { opacity:1; transform: translateY(0); } }
.scroll-reveal { opacity:0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.scroll-reveal.revealed { opacity:1; transform: translateY(0); }

/* DEFAULT PAGE */
.default-page { padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-3xl); }
.default-page h1 { font-family: var(--font-heading); font-size:2.5rem; font-weight:600; color: var(--color-navy); margin-bottom: var(--space-md); }
.entry-content p { margin-bottom: var(--space-sm); color: var(--color-text-light); }

/* RESPONSIVE */
@media (max-width:1024px) { .service-card { flex: 0 1 calc(50% - var(--space-md)); } }
@media (max-width:768px) {
    :root { --header-height:70px; }
    .menu-toggle { display:flex; }
    .main-nav {
        position:fixed; top:0; right:-100%; width:80%; max-width:360px; height:100vh;
        background: var(--color-white); box-shadow: -8px 0 32px rgba(0,0,0,0.1);
        transition: right var(--transition); z-index:1000;
        padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
    }
    .main-nav.open { right:0; }
    .nav-list { flex-direction:column; gap: var(--space-md); align-items:flex-start; }
    .nav-link { font-size:1.1rem; }
    .nav-link--cta { width:100%; text-align:center; margin-top: var(--space-sm); }
    .nav-overlay {
        position:fixed; inset:0; background: rgba(0,0,0,0.4);
        opacity:0; visibility:hidden; transition: opacity var(--transition), visibility var(--transition); z-index:999;
    }
    .nav-overlay.visible { opacity:1; visibility:visible; }
    .about-grid { grid-template-columns:1fr; }
    .about-portrait { max-width:220px; margin:0 auto; }
    .service-card { flex: 0 1 100%; }
    .approach-grid { grid-template-columns:1fr; }
    .contact-grid { grid-template-columns:1fr; }
    .contact-map { min-height:280px; }
    .contact-map iframe { min-height:280px; }
    .footer-content { flex-direction:column; text-align:center; gap: var(--space-md); }
    .footer-contact { text-align:center; }
    .hero-heading { font-size: clamp(2.5rem,10vw,4rem); }
}
@media (max-width:480px) {
    .hero-actions { flex-direction:column; width:100%; max-width:280px; margin:0 auto; }
    .btn { width:100%; }
}