/* Global Styles */
:root {
    --color-bg: #0f1012;
    /* Deep Charcoal */
    --color-text: #e0e0e0;
    --color-accent: #c5a059;
    /* Muted Gold */
    --color-card-bg: rgba(255, 255, 255, 0.02);
    --color-border: rgba(255, 255, 255, 0.08);

    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;

    --transition-slow: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    /* Elegant ease */
    --transition-standard: all 0.4s ease;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
    font-weight: 300;
}

/* Scroll Reveal Utility */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-slow);
    will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-standard);
}

ul {
    list-style: none;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2.5rem 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-slow);
    background: linear-gradient(to bottom, rgba(15, 16, 18, 0.95), rgba(15, 16, 18, 0));
}

.header.scrolled {
    padding: 1.5rem 6%;
    background: rgba(15, 16, 18, 0.98);
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 120px;
    /* Increased from 60px */
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    /* Ensure white logo on dark bg if transparent */
    transition: var(--transition-standard);
    margin-right: 1.5rem;
}

.logo span {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 400;
    /* Regular weight for elegance */
    letter-spacing: 0.1em;
    color: #fff;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Optional: remove filter if the PNG is already white/gold */

.nav a {
    margin-left: 3.5rem;
    font-family: var(--font-body);
    font-weight: 300;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-standard);
}

.nav a:hover {
    color: #fff;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.7;
    /* Lighter filter for more natural feel */
    transform: scale(1.05);
    /* Start slightly zoomed for parallax room */
    transition: transform 0.1s linear;
    /* For JS parallax */
}

/* Gradient overlay for better text readability and mood */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 16, 18, 0.3) 0%, rgba(15, 16, 18, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp var(--transition-slow) forwards 0.5s;
    color: #fff;
}

.hero p {
    font-size: 0.9rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeUp var(--transition-slow) forwards 0.8s;
}

/* Buttons - Premium Solid Style */
.cta-button {
    display: inline-block;
    padding: 1.2rem 3.5rem;
    background-color: var(--color-accent);
    /* Solid Gold */
    color: var(--color-bg);
    /* Dark text for contrast */
    border: 1px solid var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    opacity: 0;
    /* Animated in by JS */
    transform: translateY(40px);
    animation: fadeUp var(--transition-slow) forwards 1.1s;
}

.cta-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    /* White flash on hover */
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: -1;
}

.cta-button:hover {
    color: var(--color-bg);
    border-color: #fff;
}

.cta-button:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Service Cards - Glass & Glow */
.service-card {
    padding: 4rem 2rem;
    text-align: center;
    transition: var(--transition-standard);
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.01) 0%, rgba(255, 255, 255, 0) 100%);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(197, 160, 89, 0.3);
    /* Subtle gold border */
    background: linear-gradient(180deg, rgba(197, 160, 89, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
}

.service-card:hover::before {
    transform: translateX(100%);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: #fff;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    /* Increased contrast */
    font-size: 1rem;
    max-width: 300px;
    margin: 0 auto;
    font-weight: 300;
}

/* Portfolio */
.portfolio {
    background-color: #131416;
    /* Slightly lighter charcoal */
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
    align-items: start;
    /* For masonry-like feel */
}

/* Asymmetrical Layout for Interest */
.portfolio-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    grid-column: span 4;
}

/* Make the first item wider */
.portfolio-item:nth-child(1) {
    grid-column: span 8;
    aspect-ratio: 16/9;
}

/* Make the second item tall */
.portfolio-item:nth-child(2) {
    grid-column: span 4;
    aspect-ratio: 3/4;
    margin-top: 4rem;
    /* Offset for design */
}

/* Make the third item normal */
.portfolio-item:nth-child(3) {
    grid-column: span 4;
    aspect-ratio: 1/1;
    margin-left: 20%;
    /* Visual offset */
    width: 80%;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: grayscale(20%);
    /* Artistic touch */
}

.portfolio-item:hover img {
    transform: scale(1.05);
    /* Subtle zoom */
    filter: grayscale(0%);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: var(--transition-standard);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h4 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform 0.6s ease;
}

.portfolio-overlay p {
    color: var(--color-accent);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transform: translateY(20px);
    transition: transform 0.6s ease 0.1s;
}

.portfolio-item:hover h4,
.portfolio-item:hover p {
    transform: translateY(0);
}

/* Contact */
.contact {
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.contact-wrapper {
    max-width: 800px;
    margin: 3rem auto;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    /* Slight radius */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-group {
    position: relative;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-standard);
}

/* Floating Label Logic */
.form-group label {
    position: absolute;
    top: 0.8rem;
    left: 0;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    transition: 0.3s ease;
    font-size: 1rem;
}

/* When input has focus or content (placeholder shown logic hack) */
.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -1.2rem;
    font-size: 0.75rem;
    color: var(--color-accent);
    font-family: var(--font-heading);
    letter-spacing: 0.05em;
}

/* Animated Bottom Border */
.focus-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: 0.4s;
    width: 100%;
    transform: scaleX(0);
}

.form-group input:focus~.focus-border,
.form-group textarea:focus~.focus-border {
    transform: scaleX(1);
}

.contact-form .cta-button {
    align-self: flex-start;
    /* Align left */
    margin-top: 1rem;
}

/* Mobile adjust for form row */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-wrapper {
        padding: 2rem 1.5rem;
    }
}

.contact-info p {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    padding: 3rem;
    text-align: center;
    background-color: var(--color-bg);
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-grid {
        display: flex;
        flex-direction: column;
    }

    .portfolio-item,
    .portfolio-item:nth-child(1),
    .portfolio-item:nth-child(2),
    .portfolio-item:nth-child(3) {
        grid-column: span 12;
        width: 100%;
        margin: 0 0 1rem 0;
        aspect-ratio: 3/2;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: 1.5rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

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