@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Outfit:wght@100..900&family=Fira+Code:wght@300..700&display=swap');

:root {
    --bg-color: #faf9f5;
    --text-color: #1a1c1e;
    --text-muted: #626569;
    --accent-color: #c5a880; /* Gold/Champagne */
    --accent-glow: rgba(197, 168, 128, 0.2);
    --border-color: rgba(26, 28, 30, 0.08);
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(255, 255, 255, 0.5);
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    position: relative;
    background-color: var(--bg-color);
    min-height: 100vh;
}

/* 3D Canvas Background Container */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none; /* Let clicks pass through to sections */
    transition: opacity 1s ease;
}

/* Base Layout & Sections */
section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--nav-height) + 2rem) 10% 4rem 10%;
    z-index: 2;
    background-color: transparent;
    overflow: hidden;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* Typography styling */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

p {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.mono-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
    display: block;
}

/* Custom Navigation */
nav.custom-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 100;
    background: rgba(250, 249, 245, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

nav.custom-nav.scrolled {
    height: 65px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.logo {
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 1.4rem;
    text-decoration: none;
    color: var(--text-color);
    letter-spacing: -0.03em;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: #1a1c1e;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.05) 50%, rgba(0, 0, 0, 0.05) 50%, rgba(0, 0, 0, 0.12) 100%), #FFD700;
    padding: 0.5rem 1.1rem;
    border-radius: 6px;
    border: 1px solid #cca300;
    box-shadow: 0 4px 0 #997a00, inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.2s ease;
    display: inline-block;
    font-weight: 700;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.nav-links a::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -120%;
    width: 60%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transform: rotate(25deg);
    transition: left 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.nav-links a:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(0, 0, 0, 0.05) 50%, rgba(0, 0, 0, 0.15) 100%), #ffe033;
    transform: translateY(2px);
    box-shadow: 0 2px 0 #997a00, inset 0 1px 0 rgba(255, 255, 255, 0.7);
    color: #1a1c1e;
}

.nav-links a:hover::after {
    left: 150%;
}

.nav-links a:active {
    transform: translateY(4px);
    box-shadow: 0 0px 0 #997a00, inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

.hero-section {
    padding-top: calc(var(--nav-height) + 80px);
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 5;
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    font-weight: 400;
    border-left: 2px solid var(--accent-color);
    padding-left: 1rem;
    margin-bottom: 3rem;
}

/* Featured In Banner */
.featured-banner {
    position: relative;
    margin-top: 4.5rem;
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.featured-banner p {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--text-color);
    font-weight: 700;
}

.featured-logos {
    display: flex;
    gap: 2.5rem 3.5rem; /* Gap spacing for rows/columns */
    flex-wrap: wrap;
    align-items: center;
}

.featured-logo-item {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.85;
    transition: all 0.3s ease;
    cursor: default;
}

.featured-logo-item:hover {
    opacity: 1.0;
    color: var(--accent-color);
}

/* Expertise Cards Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3.5rem;
}

.expertise-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.015);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.04);
    border-color: var(--accent-color);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.card-num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
    display: block;
}

.card-icon {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.expertise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.expertise-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Work Section Layout */
.work-container {
    display: grid;
    grid-template-cols: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.work-details {
    max-width: 550px;
}

.work-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.work-desc {
    margin-bottom: 2.5rem;
}

.featured-project-badge {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.02);
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--text-color);
    cursor: pointer;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-color);
    transform: translateY(-2px);
}

.work-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tablet-wrapper {
    width: 480px;
    height: 320px;
    background: #0f1115;
    border-radius: 20px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.08);
    border: 12px solid #1a1c1e;
    position: relative;
    overflow: hidden;
    transform: rotate(-3deg) translateY(-10px);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    max-width: 100%;
}

.tablet-wrapper:hover {
    transform: rotate(0deg) translateY(-5px) scale(1.02);
}

.tablet-camera {
    width: 6px;
    height: 6px;
    background: #333;
    border-radius: 50%;
    position: absolute;
    top: 3px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.tablet-screen-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 1024px) {
    .tablet-wrapper {
        width: 420px;
        height: 280px;
        transform: none;
    }
    .tablet-wrapper:hover {
        transform: scale(1.02);
    }
}

@media (max-width: 480px) {
    .tablet-wrapper {
        width: 100%;
        max-width: 320px;
        height: 213px;
    }
}

/* Projects Section Grid */
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
}

.filter-bar {
    display: flex;
    gap: 1.5rem;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.filter-btn.active, .filter-btn:hover {
    color: var(--text-color);
    border-bottom-color: var(--text-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.01);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-color);
}

.project-img-wrapper {
    height: 220px;
    background: linear-gradient(135deg, #eef0f3, #e3e6eb);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-card.featured-tall .project-img-wrapper {
    height: 480px;
}

.project-placeholder-text {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: rgba(26, 28, 30, 0.15);
    font-style: italic;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
    padding: 0 1rem;
}

.project-card:hover .project-placeholder-text {
    transform: scale(1.1) rotate(-3deg);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.project-info p {
    font-size: 0.85rem;
    font-family: var(--font-mono);
}

/* Contact Section Styles */
.contact-container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.03);
}

.contact-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 3rem;
}

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

.form-group {
    position: relative;
    width: 100%;
}

.form-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: var(--text-color);
    outline: none;
    transition: border-bottom-color 0.3s ease;
}

.form-input:focus {
    border-bottom-color: var(--text-color);
}

.form-label {
    position: absolute;
    top: 1rem;
    left: 0;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    top: -1.2rem;
    font-size: 0.8rem;
    color: var(--accent-color);
    font-family: var(--font-mono);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3.5rem;
}

.social-btn {
    color: var(--text-muted);
    font-size: 1.4rem;
    transition: all 0.3s ease;
}

.social-btn:hover {
    color: var(--text-color);
    transform: translateY(-3px);
}

/* Footer styling */
footer.custom-footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    text-align: center;
    background-color: var(--bg-color);
    position: relative;
    z-index: 5;
}

footer.custom-footer p {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--text-color);
}

/* Form Status Messages */
.form-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-top: 1rem;
    min-height: 1.2em;
    transition: color 0.3s ease;
}

.form-status.success {
    color: #2d8a4e;
}

.form-status.error {
    color: #c0392b;
}

/* Animated reveals */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* Subpage Preview Overlay Modal */
.preview-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(250, 249, 245, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
    display: flex;
    justify-content: flex-end;
}

.preview-modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.preview-modal-content {
    width: 50%;
    height: 100%;
    background: #ffffff;
    border-left: 1px solid var(--border-color);
    box-shadow: -20px 0 60px rgba(0,0,0,0.03);
    transform: translateX(100%);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    padding: 6rem 4rem;
    position: relative;
}

.preview-modal-overlay.active .preview-modal-content {
    transform: translateX(0);
}

.modal-close-btn {
    position: absolute;
    top: 2.5rem;
    right: 4rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    transition: transform 0.3s ease;
}

.modal-close-btn:hover {
    transform: rotate(90deg);
}

/* Responsive Queries */
@media (max-width: 1024px) {
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
    .project-card.featured-tall {
        grid-column: span 1;
        grid-row: span 1;
    }
    .project-card.featured-tall .project-img-wrapper {
        height: 220px;
    }
    .work-container {
        grid-template-cols: 1fr;
        gap: 3rem;
    }
    .preview-modal-content {
        width: 80%;
    }
}

@media (max-width: 768px) {
    section {
        padding: calc(var(--nav-height) + 1rem) 5% 3rem 5%;
    }
    .nav-links {
        display: none; /* simple mobile drawer toggle or hidden layout */
    }
    .menu-toggle {
        display: block;
    }
    .projects-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    .projects-grid {
        grid-template-cols: repeat(2, 1fr);
        gap: 1.25rem;
    }
    .project-img-wrapper {
        height: 140px;
    }
    .project-info {
        padding: 1.25rem;
    }
    .project-info h3 {
        font-size: 1.1rem;
    }
    .project-placeholder-text {
        font-size: 1.2rem;
    }
    .preview-modal-content {
        width: 100%;
        padding: 5rem 2rem;
    }
    .contact-container {
        padding: 2.5rem 1.5rem;
    }
}