/* Design System: High-End Editorial Experience */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    /* Colors */
    --background: #f9f9f9;
    --surface: #ffffff;
    --on-surface: #1a1c1c;
    --primary: #0050d7;
    --primary-container: #346bf1;
    --surface-container-low: #f3f3f4;
    --outline-variant: rgba(195, 198, 215, 0.2);

    /* Typography */
    --font-headline: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xl: 32px;
    --spacing-2xl: 64px;
    --spacing-hero: 160px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background);
    color: var(--on-surface);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 24px 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: transform 0.15s ease-out, opacity 0.15s ease-out;
    will-change: transform, opacity;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-headline);
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: -0.03em;
    color: var(--on-surface);
}

.logo-text {
    display: flex;
    font-weight: 500;
}

.logo-bold {
    font-weight: 800;
    margin-right: 2px;
}

.logo-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--on-surface);
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 1;
}

/* Hero Section: Centered Editorial Content with Particle Cloud */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--background);
    z-index: 1;
}

.hero-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2;
    pointer-events: none;
    display: block;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    width: 100%;
    max-width: 1100px;
    padding: 0 40px;
    margin: 0;
    will-change: transform, opacity;
}

.label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

h1 {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-top: 0;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

/* Typing cursor */
.typing-cursor {
    display: inline-block;
    font-weight: 400;
    color: var(--primary);
    animation: blink-cursor 0.6s steps(1) infinite;
    margin-left: 2px;
}

@keyframes blink-cursor {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-subtext {
    font-size: 1.125rem;
    line-height: 1.8;
    max-width: 720px;
    margin: 0 auto;
    color: var(--on-surface);
    opacity: 0.7;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* ── About Vision Section (High-End Editorial Dark Mode) ── */
.about-vision {
    background-color: #0a0b0e;
    color: #ffffff;
    padding: 160px 80px;
    min-height: 100vh;
    height: auto;
    position: relative;
    overflow: hidden;
    /* Cinematic scale-up entrance */
    transform: scale(0.6);
    border-radius: 48px;
    opacity: 0;
    transition: transform 1.6s cubic-bezier(0.16, 1, 0.3, 1),
                border-radius 1.6s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 1s ease;
}

.about-vision.vision-expanded {
    transform: scale(1);
    border-radius: 0;
    opacity: 1;
}

.vision-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    gap: 120px;
    align-items: flex-start;
}

/* Left Column: Photo + Bio */
.vision-left {
    flex: 0 0 340px;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.vision-photo-placeholder {
    width: 100%;
    aspect-ratio: 1/1; /* Square ratio for optimal balance */
    background-color: #121418;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border-radius: 8px; /* Slight rounding for a polished look */
}

.vision-photo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    /* Editorial vibe for future photos */
}

.photo-label {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: #ffffff;
    opacity: 0.15;
    text-transform: uppercase;
}

.vision-bio {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
}

.vision-bio h3 {
    font-family: var(--font-headline);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: #ffffff;
}

.vision-bio p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.5);
}

/* Right Column: Headline + Pillars */
.vision-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.vision-headline {
    font-family: var(--font-headline);
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    text-transform: uppercase;
    color: #ffffff;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.pillar-card {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 24px;
    background: transparent;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.pillar-card:hover {
    transform: translateY(-4px);
}

.pillar-card h4 {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.pillar-card p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.45);
}

/* Projects Section */
.projects {
    padding: var(--spacing-2xl) 80px;
    max-width: 1440px;
    margin: 0 auto;
}

#dynamic-projects-container {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 120px;
    position: relative;
}

.project-item:nth-child(even) {
    flex-direction: row-reverse;
}

.project-image-container {
    flex: 0 0 52%;
    aspect-ratio: 16/10;
    /* Extremely subtle, elegant pastel near-white colors */
    background: linear-gradient(-45deg, #f8fafd, #fbfafd, #fefbfc, #f7fbf9);
    background-size: 300% 300%;
    animation: pastelFlow 6s ease infinite;
    border-radius: 40px;
    padding: 32px;
    box-sizing: border-box;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pastelFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.project-image-container:hover {
    transform: scale(1.02);
}

/* Image Wrapper for Flowing Glowing Border */
.image-inner-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    padding: 2px; /* Border thickness */
    background: linear-gradient(90deg, #ffe4bc, #ffd1c5, #e4ccff, #cddbff, #bcf0f0, #ffe4bc);
    background-size: 200% 100%;
    animation: flowBorder 4s linear infinite;
    z-index: 1;
}

/* The outer blur/glow */
.image-inner-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: inherit;
    filter: blur(12px);
    opacity: 0.75;
    z-index: -1;
}

/* Inner image styling */
.image-inner-wrapper img, .image-inner-wrapper > div {
    display: block;
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
    background: #ffffff; /* Must cover the center so the gradient acts as a border */
}

@keyframes flowBorder {
    0% { background-position: 0% 50%; }
    100% { background-position: -200% 50%; }
}

.project-content {
    flex: 0 0 400px;
}

.project-meta {
    font-size: 0.75rem;
    font-weight: 600;
    opacity: 0.5;
    margin-bottom: 8px;
    display: block;
}

.project-content h2 {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.project-content p {
    font-size: 1rem;
    opacity: 0.6;
    margin-bottom: 32px;
}

.btn-tertiary {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Footer Section */
footer {
    padding: 160px 80px 80px;
    text-align: center;
    background-color: var(--background);
    position: relative;
    overflow: hidden;
}

.footer-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.footer-content-wrapper {
    position: relative;
    z-index: 10;
}

.footer-title {
    font-family: var(--font-headline);
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 48px;
    text-transform: uppercase;
    min-height: calc(4rem * 1.2 * 2); /* Pre-allocate height for 2 lines to prevent layout jump */
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.footer-actions {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: white;
    padding: 20px 48px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
    box-shadow: 0 20px 40px rgba(0, 80, 215, 0.15);
    min-width: 240px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.btn-secondary {
    background: var(--surface);
    color: var(--on-surface);
    padding: 20px 48px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--outline-variant);
    transition: background 0.3s ease;
    min-width: 240px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.btn-primary:hover {
    transform: translateY(-4px);
}

.btn-secondary:hover {
    background: var(--surface-container-low);
}

.copyright {
    margin-top: 120px;
    font-size: 0.75rem;
    opacity: 0.4;
    display: flex;
    justify-content: space-between;
}

/* ── Scroll Reveal Animations ── */
.scroll-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children within project items */
.project-item.scroll-reveal.revealed .project-image-container {
    animation: revealSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.project-item.scroll-reveal.revealed .project-content {
    animation: revealSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both;
}

@keyframes revealSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* Section parallax smoothing */
.project-content,
.project-image-container {
    will-change: transform;
    transition: transform 0.1s linear;
}

@media (max-width: 1024px) {
    nav {
        padding: 20px 40px;
    }

    .hero,
    .projects,
    footer {
        padding-left: 40px;
        padding-right: 40px;
    }

    .project-item {
        flex-direction: column !important;
        gap: 40px;
    }

    .project-content {
        flex: none;
        width: 100%;
        position: static;
    }

    .about-vision {
        padding: 100px 40px;
    }

    .vision-inner {
        flex-direction: column;
        gap: 48px;
    }

    .vision-left {
        flex: none;
        width: 100%;
        flex-direction: row;
        align-items: center;
        gap: 32px;
    }

    .vision-photo-placeholder {
        width: 140px;
        aspect-ratio: 1;
        flex-shrink: 0;
    }

    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 16px 20px;
    }

    .nav-links {
        gap: 20px;
    }

    .hero-content {
        padding: 0 20px;
    }

    .hero,
    .projects,
    footer {
        padding-left: 20px;
        padding-right: 20px;
    }

    .label {
        font-size: 0.75rem;
        letter-spacing: 0.2em;
    }

    .hero-subtext {
        font-size: 1rem;
    }

    .about-vision {
        padding: 80px 20px;
    }

    .vision-headline {
        font-size: 2.5rem;
    }

    .vision-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }

    .vision-photo-placeholder {
        width: 100px;
    }

    .project-content h2 {
        font-size: 2rem;
    }

    #dynamic-projects-container {
        gap: 60px;
    }

    .project-image-container {
        width: 100%;
        flex: none;
        padding: 16px;
        border-radius: 24px;
        aspect-ratio: 16/10;
    }

    footer {
        padding-top: 100px;
        padding-bottom: 40px;
    }

    .footer-title {
        font-size: clamp(2rem, 8vw, 3rem);
        min-height: calc(3rem * 1.2 * 2);
        margin-bottom: 32px;
    }

    .footer-actions {
        flex-direction: column;
        gap: 16px;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        min-width: unset;
        padding: 16px 24px;
    }

    .copyright {
        margin-top: 80px;
        flex-direction: column;
        gap: 16px;
        align-items: center;
        text-align: center;
    }
}