:root {
    --bg: #080b14;
    --bg-elev: #0e1424;
    --bg-alt: #0a0f1c;
    --navy: #1a2347;
    --line: #1a2138;
    --line-strong: #283256;
    --text: #ece9e0;
    --text-muted: #9b9a93;
    --text-dim: #6c6b65;
    --gold: #c9a050;
    --gold-bright: #e0b96a;
    --gold-deep: #8a6a2a;
    --max: 1180px;
    --radius: 4px;
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* Typography */
h1, h2, h3 {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--text);
}
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.35rem; }

.eyebrow {
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold);
    margin-bottom: 18px;
}
.eyebrow-light { color: var(--gold-bright); }
.accent { color: var(--gold); font-style: italic; }

/* Nav */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 22px 0;
    transition: background 300ms var(--ease), border-color 300ms var(--ease), padding 300ms var(--ease);
    border-bottom: 1px solid transparent;
}
.nav.scrolled {
    background: rgba(8, 11, 20, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
    padding: 12px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; }
.brand-mark {
    height: 52px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.4));
    transition: transform 250ms var(--ease), height 250ms var(--ease);
}
.brand:hover .brand-mark { transform: translateY(-1px); }
.nav.scrolled .brand-mark { height: 44px; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
    font-size: 0.82rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 200ms var(--ease);
    position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
    color: var(--gold) !important;
    border: 1px solid var(--gold-deep);
    padding: 9px 18px;
    border-radius: var(--radius);
    transition: background 200ms var(--ease), color 200ms var(--ease) !important;
}
.nav-cta:hover { background: var(--gold); color: var(--bg) !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 1px; background: var(--text); margin: 5px 0; transition: 200ms; }

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(26, 35, 71, 0.55), transparent 65%),
        radial-gradient(ellipse 70% 50% at 50% 40%, rgba(201, 160, 80, 0.10), transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(201, 160, 80, 0.06), transparent 70%),
        linear-gradient(180deg, #080b14 0%, #080b14 50%, #0a0e1a 100%);
}
.hero-bg::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
}
.hero-inner { position: relative; z-index: 1; max-width: 920px; }
.hero-logo {
    width: auto;
    height: clamp(110px, 14vw, 170px);
    margin-bottom: 40px;
    filter: drop-shadow(0 6px 24px rgba(201, 160, 80, 0.18))
            drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
    animation: heroLogoIn 1100ms var(--ease) both;
}
@keyframes heroLogoIn {
    from { opacity: 0; transform: translateY(14px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.hero-title { margin-bottom: 28px; }
.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 620px;
    margin-bottom: 44px;
    line-height: 1.7;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 80px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 500;
    transition: all 220ms var(--ease);
    border: 1px solid transparent;
    cursor: pointer;
    font-family: inherit;
}
.btn-primary {
    background: var(--gold);
    color: var(--bg);
    border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-bright); border-color: var(--gold-bright); transform: translateY(-1px); }
.btn-ghost {
    color: var(--text);
    border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-block { width: 100%; }

.hero-meta {
    display: flex; align-items: center; gap: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--line);
    max-width: 720px;
}
.meta-item { display: flex; flex-direction: column; gap: 4px; }
.meta-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    font-weight: 500;
    color: var(--gold);
    line-height: 1;
}
.meta-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-dim);
}
.meta-divider { width: 1px; height: 36px; background: var(--line-strong); }

.hero-scroll {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    width: 1px; height: 60px;
    background: linear-gradient(180deg, transparent, var(--line-strong) 50%, transparent);
}
.hero-scroll span {
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 1px; height: 20px;
    background: var(--gold);
    animation: scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine {
    0% { top: -20px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 60px; opacity: 0; }
}

/* Sections */
.section {
    padding: 120px 0;
    border-top: 1px solid var(--line);
    position: relative;
}
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 64px; }
.section-head h2 { margin-top: 4px; }

/* Expertise */
.expertise-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 80px;
    align-items: start;
}
.expertise-copy p {
    color: var(--text-muted);
    margin-bottom: 22px;
    font-size: 1.02rem;
}
.expertise-copy p:last-child { margin-bottom: 0; }
.expertise-copy strong { color: var(--text); font-weight: 500; }
.principles {
    padding: 36px 32px;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    position: relative;
}
.principles::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.principles h3 {
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold);
    margin-bottom: 22px;
}
.principles ul { list-style: none; }
.principles li {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    color: var(--text-muted);
    font-size: 0.95rem;
}
.principles li:last-child { border-bottom: none; }
.principles li strong { color: var(--text); font-weight: 500; }

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}
.service-card {
    background: var(--bg-alt);
    padding: 48px 40px;
    transition: background 280ms var(--ease);
    position: relative;
}
.service-card:hover { background: var(--bg-elev); }
.service-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.85rem;
    color: var(--gold);
    letter-spacing: 0.2em;
    margin-bottom: 22px;
}
.service-card h3 { margin-bottom: 16px; }
.service-card p { color: var(--text-muted); font-size: 0.97rem; }

/* Solar */
.solar {
    background:
        radial-gradient(ellipse 60% 50% at 90% 30%, rgba(201, 162, 90, 0.08), transparent 60%),
        var(--bg);
    overflow: hidden;
}
.solar-inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: center;
}
.solar-copy .lead {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 24px;
    font-style: italic;
}
.solar-copy p {
    color: var(--text-muted);
    margin-bottom: 22px;
}
.solar-copy strong { color: var(--text); font-weight: 500; }
.solar-list {
    list-style: none;
    margin-top: 32px;
    border-top: 1px solid var(--line);
}
.solar-list li {
    padding: 16px 0 16px 28px;
    border-bottom: 1px solid var(--line);
    color: var(--text-muted);
    font-size: 0.94rem;
    position: relative;
}
.solar-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 27px;
    width: 14px; height: 1px;
    background: var(--gold);
}
.solar-frame {
    position: relative;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, var(--gold-deep), transparent 50%, var(--gold-deep));
}
.solar-frame-inner {
    width: 100%; height: 100%;
    background: var(--bg-elev);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 44px;
    position: relative;
    overflow: hidden;
}
.solar-frame-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(201, 162, 90, 0.12), transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(201, 162, 90, 0.08), transparent 50%);
}
.solar-quote { position: relative; z-index: 1; }
.quote-mark {
    font-family: 'Cormorant Garamond', serif;
    font-size: 6rem;
    color: var(--gold);
    line-height: 0.5;
    display: block;
    margin-bottom: 24px;
    opacity: 0.6;
}
.solar-quote p {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.35rem;
    font-style: italic;
    color: var(--text);
    line-height: 1.45;
}

/* Experience */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.exp-card {
    padding: 40px 32px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--bg-elev);
    transition: border-color 280ms var(--ease), transform 280ms var(--ease);
}
.exp-card:hover { border-color: var(--gold-deep); transform: translateY(-3px); }
.exp-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--gold);
    margin-bottom: 18px;
}
.exp-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Contact */
.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}
.contact-copy h2 { margin-bottom: 22px; }
.contact-copy > p {
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 460px;
}
.contact-details { display: flex; flex-direction: column; gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact-line {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 24px;
    padding: 20px 0;
    background: transparent;
    align-items: baseline;
    transition: padding 200ms var(--ease);
}
a.contact-line:hover { padding-left: 8px; }
a.contact-line:hover .contact-value { color: var(--gold); }
.contact-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--text-dim);
}
.contact-value {
    color: var(--text);
    font-size: 1rem;
    transition: color 200ms var(--ease);
}

.contact-form {
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 40px;
    position: relative;
}
.contact-form::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.field { margin-bottom: 22px; }
.field label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-dim);
    margin-bottom: 10px;
}
.field input, .field textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line-strong);
    color: var(--text);
    padding: 8px 0 12px;
    font-size: 0.98rem;
    font-family: inherit;
    transition: border-color 200ms var(--ease);
    resize: vertical;
}
.field input:focus, .field textarea:focus {
    outline: none;
    border-bottom-color: var(--gold);
}
.field textarea { min-height: 100px; }
.form-note {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 16px;
    min-height: 20px;
    text-align: center;
}
.form-note.success { color: var(--gold); }

/* Footer */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--line);
    background: var(--bg-alt);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-mark { height: 44px; width: auto; object-fit: contain; opacity: 0.92; }
.footer-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.05rem;
    color: var(--text);
}
.footer-tag {
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
}
.footer-meta {
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 0.06em;
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 960px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav.menu-open .nav-links {
        display: flex;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--bg-elev);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        padding: 24px 32px;
        gap: 20px;
    }
    .expertise-grid, .solar-inner, .contact-inner {
        grid-template-columns: 1fr; gap: 48px;
    }
    .services-grid, .experience-grid { grid-template-columns: 1fr; }
    .solar-frame { max-width: 460px; margin: 0 auto; }
    .hero-meta { flex-wrap: wrap; gap: 20px; }
    .meta-divider { display: none; }
    .section { padding: 80px 0; }
    .contact-form { padding: 28px; }
}
@media (max-width: 560px) {
    .container { padding: 0 22px; }
    .brand-mark { height: 40px; }
    .nav.scrolled .brand-mark { height: 36px; }
    .hero-logo { margin-bottom: 28px; }
    .hero { padding: 110px 0 60px; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .btn { width: 100%; }
    .service-card { padding: 36px 28px; }
    .principles { padding: 28px 24px; }
    .contact-line { grid-template-columns: 1fr; gap: 6px; }
}