/* ===== CSS RESET & VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --porcelain: #FAFAF8;
    --carbon: #0E0F10;
    --warm-gray: #8B8680;
    --brass: #C7A15D;
    --accent-light: #E8DCC8;

    --font-display: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', 'Georgia', serif;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 180ms;
    --duration-med: 320ms;
    --duration-slow: 480ms;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background: var(--porcelain);
    color: var(--carbon);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    font-weight: 400;
}

/* Subtle film grain */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='4' numOctaves='4' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: overlay;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 clamp(2rem, 6vw, 8rem);
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 248, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(14, 15, 16, 0.06);
    transform: translateY(0);
    transition: transform var(--duration-med) var(--ease);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem clamp(2rem, 6vw, 8rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--carbon);
}

.nav-menu {
    display: flex;
    gap: 3.5rem;
    list-style: none;
}

.nav-menu a {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--carbon);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 500;
    position: relative;
    transition: color var(--duration-fast) var(--ease);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--brass);
    transition: width var(--duration-med) var(--ease-out);
}

.nav-menu a:hover {
    color: var(--brass);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* ===== HERO ===== */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding-bottom: 10rem;
}

.hero-image {
    position: absolute;
    inset: 0;
    background-image: url('images/pexels-binyaminmellish-106399.jpg');
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-out);
    transform: scale(1.02);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
        rgba(14, 15, 16, 0.75) 0%,
        rgba(14, 15, 16, 0.3) 40%,
        transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 clamp(2rem, 6vw, 8rem);
}

.hero-caption {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--porcelain);
}

.hero-project {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out) 0.3s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-meta {
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
    opacity: 0.9;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out) 0.6s forwards;
}

.scroll-indicator {
    position: absolute;
    bottom: 4rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--porcelain);
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0.85;
    animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-12px); }
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: clamp(6rem, 12vw, 10rem) 0;
    background: var(--porcelain);
}

.projects-header {
    margin-bottom: 5rem;
}

.projects-header h2 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.015em;
    margin-bottom: 4rem;
    color: var(--carbon);
}

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

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    padding: 0.75rem 1.75rem;
    border: 1px solid rgba(14, 15, 16, 0.12);
    background: transparent;
    color: var(--carbon);
    font-family: var(--font-display);
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-med) var(--ease-out);
    border-radius: 0;
    text-transform: uppercase;
}

.filter-btn:hover {
    border-color: var(--brass);
    color: var(--brass);
    background: rgba(199, 161, 93, 0.05);
}

.filter-btn.active {
    background: var(--carbon);
    color: var(--porcelain);
    border-color: var(--carbon);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(420px, 100%), 1fr));
    gap: 3rem;
}

.project-card {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp var(--duration-slow) var(--ease-out) forwards;
}

.project-image {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--warm-gray);
    position: relative;
    overflow: hidden;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14, 15, 16, 0.3), transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-med) var(--ease);
}

.project-card:hover .project-image::after {
    opacity: 1;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
    filter: grayscale(0.15) contrast(1.05);
}

.project-card:hover .project-image img {
    transform: scale(1.08);
}

.project-info {
    padding: 2rem 0;
}

.project-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
    color: var(--carbon);
}

.project-meta {
    font-size: 0.8125rem;
    color: var(--warm-gray);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ===== STUDIO SECTION ===== */
.studio {
    padding: clamp(6rem, 12vw, 10rem) 0;
    background: linear-gradient(180deg,
        var(--porcelain) 0%,
        rgba(232, 220, 200, 0.15) 50%,
        var(--porcelain) 100%);
    position: relative;
}

.studio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom,
        transparent,
        rgba(14, 15, 16, 0.08) 20%,
        rgba(14, 15, 16, 0.08) 80%,
        transparent);
}

.studio-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: clamp(4rem, 10vw, 8rem);
    align-items: start;
}

.studio h2 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.015em;
    margin-bottom: 3rem;
    color: var(--carbon);
}

.studio-manifesto {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 2.5vw, 1.625rem);
    line-height: 1.6;
    margin-bottom: 4rem;
    color: var(--carbon);
    font-weight: 400;
}

.studio-awards h3 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    color: var(--brass);
}

.studio-awards ul {
    list-style: none;
}

.studio-awards li {
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(14, 15, 16, 0.08);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    color: var(--carbon);
    transition: color var(--duration-fast) var(--ease);
}

.studio-awards li:hover {
    color: var(--brass);
}

.studio-principals {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.principal {
    transition: transform var(--duration-med) var(--ease-out);
}

.principal:hover {
    transform: translateY(-8px);
}

.principal-image {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--warm-gray);
    margin-bottom: 1.5rem;
    overflow: hidden;
    position: relative;
}

.principal-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(14, 15, 16, 0.2));
}

.principal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: filter var(--duration-slow) var(--ease-out);
}

.principal:hover .principal-image img {
    filter: grayscale(0%) contrast(1);
}

.principal h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--carbon);
}

.principal p {
    font-size: 0.8125rem;
    color: var(--warm-gray);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: clamp(6rem, 12vw, 10rem) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: clamp(4rem, 10vw, 8rem);
}

.contact h2 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: -0.015em;
    margin-bottom: 3rem;
    color: var(--carbon);
}

address {
    font-style: normal;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    font-size: 1rem;
    color: var(--carbon);
}

.contact-hours {
    color: var(--warm-gray);
    font-size: 0.875rem;
    font-style: italic;
}

.contact-form h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    color: var(--carbon);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(14, 15, 16, 0.12);
    background: transparent;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    color: var(--carbon);
    transition: all var(--duration-med) var(--ease);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--brass);
    background: rgba(232, 220, 200, 0.08);
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
}

.contact-form button {
    padding: 1.5rem 3.5rem;
    border: none;
    background: var(--carbon);
    color: var(--porcelain);
    font-family: var(--font-display);
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-med) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--brass);
    transition: left var(--duration-slow) var(--ease-out);
}

.contact-form button:hover::before {
    left: 0;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 15, 16, 0.15);
}

.contact-form button span {
    position: relative;
    z-index: 1;
}

/* ===== FOOTER ===== */
.footer {
    padding: 4rem 0;
    border-top: 1px solid rgba(14, 15, 16, 0.08);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer p {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    color: var(--warm-gray);
    letter-spacing: 0.02em;
}

.footer-links {
    display: flex;
    gap: 2.5rem;
}

.footer-links a {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    color: var(--warm-gray);
    text-decoration: none;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 500;
    transition: color var(--duration-fast) var(--ease);
}

.footer-links a:hover {
    color: var(--brass);
}

.footer-credit {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(14, 15, 16, 0.05);
    font-size: 0.75rem;
    color: var(--warm-gray);
    opacity: 0.7;
}

.footer-credit a {
    color: var(--warm-gray);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease);
}

.footer-credit a:hover {
    color: var(--brass);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .studio-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 5rem;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        gap: 2rem;
        font-size: 0.75rem;
    }

    .hero-project {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-indicator {
        animation: none;
    }
}