/* ── Inline SVG Icon System ── */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
}
.icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}
.icon-sm { font-size: 0.7rem; }
.icon-star { color: var(--gray); font-size: 0.85rem; letter-spacing: 4px; }
/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --black: #0a0a0a;
    --dark: #141414;
    --charcoal: #1e1e1e;
    --gray-dark: #2a2a2a;
    --gray-mid: #555;
    --gray: #888;
    --gray-light: #bbb;
    --silver: #d4d4d4;
    --off-white: #f0f0f0;
    --white: #fafafa;
    --accent: #c8c8c8;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--black);
    color: var(--off-white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ── Concrete Noise Texture (CSS only) ── */
.concrete-texture {
    position: relative;
}
.concrete-texture::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.5;
}

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.75rem 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--white);
    text-decoration: none;
    text-transform: uppercase;
}
.nav-logo span {
    color: var(--gray);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--white);
    transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(180deg, var(--black) 0%, var(--charcoal) 50%, var(--dark) 100%);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.hero-diagonal {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 120px;
    background: var(--black);
    clip-path: polygon(0 100%, 100% 0, 100% 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-light);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
}
.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--gray-light);
    border-radius: 50%;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(40px);
}
.hero h1 .outline-text {
    -webkit-text-stroke: 1.5px var(--gray);
    color: transparent;
}

.hero-sub {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--gray);
    max-width: 550px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(30px);
}

.hero-cta {
    display: inline-flex;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}
.btn-primary {
    background: var(--white);
    color: var(--black);
}
.btn-primary:hover {
    background: var(--silver);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
    border-color: var(--white);
    transform: translateY(-2px);
}

/* ── Section Shared ── */
section { position: relative; }

.section-padding {
    padding: 7rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 1rem;
    display: block;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--white);
    line-height: 1.1;
}
.section-divider {
    width: 50px;
    height: 2px;
    background: var(--gray-mid);
    margin: 1.5rem auto 0;
}

/* ── Stats Bar ── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.stat-item {
    text-align: center;
    padding: 3rem 1.5rem;
    border-right: 1px solid rgba(255,255,255,0.08);
}
.stat-item:last-child { border-right: none; }

.stat-number {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.5rem;
}
.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray);
}

/* ── Portfolio ── */
.portfolio-section {
    background: var(--black);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    group: true;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.6s ease;
}

/* Construction-themed SVG placeholder patterns */
.portfolio-img svg {
    width: 100%;
    height: 100%;
}

.portfolio-card:hover .portfolio-img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10,10,10,0.95) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.75rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-category {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 0.4rem;
}
.portfolio-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.01em;
}

.portfolio-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

/* ── Testimonials ── */
.testimonials-section {
    background: var(--dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--charcoal);
    border: 1px solid rgba(255,255,255,0.06);
    padding: 2.5rem;
    position: relative;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.12);
}

.testimonial-quote {
    font-size: 2rem;
    color: var(--gray-dark);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--gray-light);
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.testimonial-stars {
    color: var(--gray);
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-bottom: 1.25rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gray);
}

.author-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
}
.author-role {
    font-size: 0.7rem;
    color: var(--gray);
    letter-spacing: 0.05em;
}

/* ── Contact ── */
.contact-section {
    background: var(--black);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--white);
}

.contact-info p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.contact-detail i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--gray-light);
    font-size: 0.85rem;
}
.contact-detail span {
    color: var(--gray-light);
    font-size: 0.9rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.form-group label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray);
}
.form-group input,
.form-group textarea,
.form-group select {
    background: var(--charcoal);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 0.85rem 1rem;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: rgba(255,255,255,0.3);
}
.form-group textarea {
    resize: vertical;
    min-height: 120px;
}
.form-group select option {
    background: var(--charcoal);
}

.btn-submit {
    align-self: flex-start;
    padding: 1rem 3rem;
}

/* ── Footer ── */
.footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 3rem 2rem;
    background: var(--black);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.footer-logo {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--white);
}
.footer-logo span { color: var(--gray); font-weight: 400; }
.footer-copy {
    font-size: 0.75rem;
    color: var(--gray);
}

.footer-social {
    display: flex;
    gap: 1rem;
}
.footer-social a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--gray);
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}
.footer-social a:hover {
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-2px);
}

/* ── WIP Banner ── */
.wip-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.wip-overlay.visible { opacity: 1; }

.wip-modal {
    background: var(--charcoal);
    border: 1px solid rgba(255,255,255,0.1);
    max-width: 480px;
    width: 100%;
    padding: 3rem 2.5rem 2.5rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.4s ease;
    text-align: center;
}
.wip-overlay.visible .wip-modal { transform: translateY(0); }

.wip-icon {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    display: block;
    line-height: 1;
}

.wip-title {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.wip-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.wip-close {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    background: var(--white);
    color: var(--black);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}
.wip-close:hover { background: var(--silver); }

/* ── Scroll Reveal Animation Classes ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-card.featured { grid-column: span 2; grid-row: span 1; }
    .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10,10,10,0.97);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .menu-toggle { display: flex; }

    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }

    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-card.featured { grid-column: span 1; }

    .testimonials-grid { grid-template-columns: 1fr; }

    .contact-wrapper { grid-template-columns: 1fr; gap: 3rem; }
    .form-row { grid-template-columns: 1fr; }

    .footer-inner { flex-direction: column; gap: 1.5rem; text-align: center; }

    .hero-cta { flex-direction: column; align-items: center; }
}