/* ============================================
   SUPERVISE. - Architecture Studio
   Minimalist Design with Parallax Effects
   ============================================ */

/* CSS Variables */
:root {
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-400: #a3a3a3;
    --color-gray-600: #525252;
    --color-gray-800: #262626;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s var(--transition-smooth);
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    color: var(--color-gray-600);
}

/* Section Tags */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-gray-400);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn-outline {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: 1px solid var(--color-black);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: all 0.3s var(--transition-smooth);
}

.btn-outline:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    opacity: 1;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
}

.btn-primary:hover {
    background-color: var(--color-gray-800);
    transform: translateY(-2px);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s var(--transition-smooth);
}

.nav.scrolled {
    padding: 1rem 3rem;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--color-black);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 2px;
    transition: all 0.3s var(--transition-smooth);
}

.nav-cta:hover {
    opacity: 1;
    background-color: var(--color-gray-800);
    transform: translateY(-1px);
}

.nav-cta span {
    font-size: 1rem;
    font-weight: 300;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    padding-top: 80px;
}

.hero-image {
    position: relative;
    overflow: hidden;
}

.hero-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform 0.1s linear;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    background-color: var(--color-gray-100);
}

.hero-text {
    margin-bottom: 4rem;
}

.hero-text h1 {
    max-width: 600px;
}

.hero-description {
    max-width: 400px;
}

.hero-description p {
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 8rem 3rem;
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.about-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.1s linear;
}

.about-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 0;
}

.about-content h2 {
    margin-bottom: 2rem;
    max-width: 500px;
}

.about-content p {
    margin-bottom: 1.5rem;
    max-width: 450px;
}

/* ============================================
   Parallax Section
   ============================================ */
.parallax-section {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.parallax-bg-full {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    z-index: 1;
}

.parallax-bg-full img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

.parallax-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.92);
    max-width: 800px;
    margin: 0 2rem;
}

.parallax-overlay h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    font-style: italic;
    margin-bottom: 1rem;
}

.quote-author {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* Experience Section */
.experience-section {
    background-color: var(--color-black);
    padding: 6rem 3rem;
}

.experience-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.experience-header {
    margin-bottom: 3rem;
}

.experience-header .section-tag {
    color: var(--color-gray-400);
}

.experience-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--color-white);
    margin-top: 1rem;
    font-weight: 300;
}

.experience-section .experience-item {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-section .experience-item:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-role {
    font-size: clamp(0.75rem, 1vw, 0.85rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-white);
    min-width: 200px;
    flex-shrink: 0;
}

.experience-desc {
    font-size: clamp(0.9rem, 1.2vw, 1rem);
    font-weight: 300;
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* ============================================
   Projects Section
   ============================================ */
.projects {
    padding: 8rem 3rem;
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    position: relative;
    cursor: pointer;
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.project-image img {
    width: 100%;
    height: 120%;
    object-fit: cover;
    transition: all 0.6s var(--transition-smooth);
    filter: grayscale(0%);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
    filter: grayscale(100%);
}

.project-info {
    padding: 1.5rem 0;
}

.project-category {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-gray-400);
}

.project-info h3 {
    margin: 0.5rem 0 0.25rem;
}

.project-info p {
    font-size: 0.875rem;
}

.projects-cta {
    text-align: center;
    margin-top: 4rem;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 8rem 3rem;
    background-color: var(--color-gray-100);
}

.services-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.services-header {
    margin-bottom: 4rem;
}

.services-header h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

.services-header p {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    max-width: 600px;
}

.services-list {
    display: flex;
    flex-direction: column;
}

.service-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 2rem;
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--color-gray-200);
    transition: all 0.3s var(--transition-smooth);
}

.service-item:first-child {
    border-top: 1px solid var(--color-gray-200);
}

.service-item:hover {
    padding-left: 1rem;
}

.service-number {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-400);
}

.service-content h3 {
    margin-bottom: 0.75rem;
}

.service-content p {
    max-width: 500px;
    font-size: 0.9rem;
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
    padding: 6rem 3rem;
    background-color: var(--color-black);
    color: var(--color-white);
}

.stats-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-gray-400);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 8rem 3rem;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2 {
    margin-bottom: 3rem;
    max-width: 400px;
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-gray-400);
}

.contact-item a,
.contact-item p {
    font-size: 1rem;
    color: var(--color-black);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 0;
    border: none;
    border-bottom: 1px solid var(--color-gray-200);
    background: transparent;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-black);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    font-size: 0.875rem;
    color: var(--color-gray-400);
    pointer-events: none;
    transition: all 0.3s var(--transition-smooth);
}

.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: -0.75rem;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a3a3a3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 4rem 3rem 2rem;
    background-color: var(--color-gray-100);
}

.footer-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.footer-brand p {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 150px);
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-column h4 {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-gray-400);
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
}

.footer-bottom p {
    font-size: 0.8rem;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-smooth),
                transform 0.8s var(--transition-smooth);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-text {
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s var(--transition-smooth);
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        height: 50vh;
    }
    
    .hero-image img {
        height: 100%;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        aspect-ratio: 3 / 4;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .stats-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem 1.5rem;
    }
    
    .nav-left, .nav-right {
        display: none;
    }
    
    .hero-content {
        padding: 3rem 1.5rem;
    }
    
    .about,
    .projects,
    .services,
    .contact {
        padding: 4rem 1.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .service-item {
        grid-template-columns: 50px 1fr;
        gap: 1rem;
    }
    
    .parallax-section {
        height: auto;
        min-height: 60vh;
    }

    .experience-section .experience-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .experience-role {
        min-width: unset;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .stats-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: 3rem 1rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Smooth Scroll Offset for Fixed Nav
   ============================================ */
section[id] {
    scroll-margin-top: 80px;
}

/* ============================================
   Loading Animation (Optional)
   ============================================ */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.page-loader span {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}