:root {
    --black: #080808;
    --white: #F4F4F4;
    --gray: #888888;
    --light-gray: #CCCCCC;
    
    --font: 'Inter', sans-serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: initial; }

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font);
    overflow-x: hidden;
    cursor: none; /* Custom cursor */
    -webkit-font-smoothing: antialiased;
}
body.loading { overflow: hidden; }

a { text-decoration: none; color: inherit; cursor: none; }
button { cursor: none; font-family: var(--font); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.overflow-hidden { overflow: hidden; }
.mt-huge { margin-top: 2rem; }

/* CUSTOM CURSOR */
.cursor {
    position: fixed; top: 0; left: 0;
    width: 10px; height: 10px;
    background-color: var(--white);
    border-radius: 50%;
    pointer-events: none; z-index: 10000;
    transform: translate(-50%, -50%);
    display: flex; align-items: center; justify-content: center;
    transition: width 0.3s var(--ease), height 0.3s var(--ease), background-color 0.3s var(--ease);
    mix-blend-mode: difference;
}
.cursor.active {
    width: 80px; height: 80px;
    background-color: var(--white);
    mix-blend-mode: normal;
}
.cursor-text {
    color: var(--black); font-size: 12px; font-weight: 600; text-transform: uppercase;
    opacity: 0; transition: opacity 0.3s var(--ease);
}
.cursor.active .cursor-text { opacity: 1; }

.cursor-plane { display: none; width: 30px; height: 30px; fill: var(--white); position: absolute; top: 50%; left: 50%; margin-top: -15px; margin-left: -15px; transition: transform 0.1s ease-out; pointer-events: none; filter: drop-shadow(0 0 5px rgba(255,255,255,0.8)); }
.cursor.plane-mode { width: 0 !important; height: 0 !important; background: transparent !important; mix-blend-mode: normal; }
.cursor.plane-mode .cursor-text { display: none !important; }
.cursor.plane-mode .cursor-plane { display: block; }

.g-distances { margin-top: 1.5rem; font-size: 0.8rem; letter-spacing: 0.1em; color: var(--gray); display: flex; flex-direction: column; gap: 0.5rem; }
.g-route { color: var(--light-gray); }
.g-route span { color: var(--white); font-weight: 600; }

@media (max-width: 1024px) {
    .cursor { display: none !important; }
    body, a, button { cursor: auto !important; }
}

/* 01 - INTRO OVERLAY */
#intro-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background-color: var(--black); z-index: 9999;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.intro-logo { font-size: clamp(3rem, 8vw, 8rem); font-weight: 700; letter-spacing: -0.05em; }
.intro-sub { font-size: 1rem; letter-spacing: 0.2em; color: var(--gray); margin-top: 1rem; }
.intro-nav { position: absolute; font-size: clamp(2rem, 5vw, 4rem); font-weight: 600; letter-spacing: -0.03em; opacity: 0; transform: translateY(20px); }

/* 02 - NAVIGATION */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%;
    padding: 2rem 4%; z-index: 900;
    display: flex; justify-content: space-between; align-items: flex-start;
    mix-blend-mode: difference; color: var(--white);
}
.logo { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.nav-list { display: flex; gap: 3rem; }
.nav-list a { font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; }
.menu-btn { background: none; border: none; color: var(--white); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em; }

.fullscreen-menu {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background-color: var(--black); z-index: 800;
    opacity: 0; pointer-events: none;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s var(--ease);
}
.fullscreen-menu.active { opacity: 1; pointer-events: all; }
.menu-bg-imgs { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.3; }
.menu-bg-imgs img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.5s var(--ease); filter: grayscale(100%); }
.menu-bg-imgs img.active { opacity: 1; }
.menu-inner { position: relative; z-index: 10; text-align: center; }
.huge-menu { display: flex; flex-direction: column; }
.huge-menu a {
    font-size: clamp(3rem, 8vw, 7rem); font-weight: 700; letter-spacing: -0.04em;
    color: transparent; -webkit-text-stroke: 1px var(--gray);
    transition: color 0.3s, transform 0.3s;
}
.huge-menu a:hover { color: var(--white); -webkit-text-stroke: 0; transform: translateX(20px); }

/* 03 - HERO */
.hero { height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 0 4%; position: relative; overflow: hidden; }
.hero-grid-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.15;
    background-image: linear-gradient(var(--gray) 1px, transparent 1px), linear-gradient(90deg, var(--gray) 1px, transparent 1px);
    background-size: 50px 50px; background-position: 0 0; transition: background-position 0.1s; }
.hero-content { position: relative; z-index: 10; }
.hero-massive { font-size: clamp(4rem, 12vw, 12rem); font-weight: 800; line-height: 0.85; letter-spacing: -0.05em; }
.word-complex, .word-problems, .word-precise, .word-solutions { transform: translateY(110%); }
.word-precise, .word-solutions { color: var(--gray); }
.hero-small { margin-top: 3rem; font-size: 1.2rem; max-width: 400px; color: var(--gray); opacity: 0; }
.scroll-down { position: absolute; bottom: 3rem; right: 4%; font-size: 0.8rem; letter-spacing: 0.2em; color: var(--gray); opacity: 0; }

/* 05 - STATEMENT */
.statement-section { padding: 20rem 4%; text-align: center; }
.huge-text { font-size: clamp(3rem, 8vw, 8rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.dest-wrap { position: relative; display: inline-block; }
.dest, .dir { position: absolute; top: 0; left: 0; }
.dest { position: relative; } /* determines width */
.dir { opacity: 0; color: var(--gray); }

/* 06 - PRACTICES */
.practices-section { position: relative; padding: 10rem 0; border-top: 1px solid #222; }
.practices-bg-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.practices-bg-container img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.5s var(--ease); filter: grayscale(100%) brightness(0.3); }
.practices-bg-container img.active { opacity: 1; }
.practices-list { position: relative; z-index: 10; display: flex; flex-direction: column; }
.prac-row {
    height: clamp(80px, 10vh, 120px); display: flex; align-items: center; padding: 0 4%;
    border-bottom: 1px solid rgba(255,255,255,0.1); transition: background 0.3s;
}
.p-num { font-size: 1rem; color: var(--gray); width: 10%; opacity: 0; transform: translateX(-20px); transition: 0.3s var(--ease); }
.p-title { font-size: clamp(2rem, 5vw, 4rem); font-weight: 600; letter-spacing: -0.03em; transition: 0.3s var(--ease); }
.p-arrow { margin-left: auto; font-size: 2rem; opacity: 0; transform: translateX(-20px); transition: 0.3s var(--ease); }
.prac-row:hover .p-num { opacity: 1; transform: translateX(0); }
.prac-row:hover .p-title { transform: translateX(20px); }
.prac-row:hover .p-arrow { opacity: 1; transform: translateX(0); }

/* 08 - PEOPLE */
.people-section { padding: 15rem 4%; background-color: var(--white); color: var(--black); position: relative; }
.section-label { font-size: 1rem; letter-spacing: 0.2em; margin-bottom: 10rem; }
.people-gallery { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 5%; }
.person-wrapper { width: 30%; display: flex; flex-direction: column; gap: 1.5rem; }
.p-center { margin-top: 15rem; }
.p-right { margin-top: 5rem; }
.person-img { height: 60vh; overflow: hidden; }
.person-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); transition: 0.5s var(--ease); }
.person-img:hover img { filter: grayscale(0%); transform: scale(1.05); }
.person-info h3 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.person-info p { font-size: 0.85rem; letter-spacing: 0.1em; color: var(--gray); line-height: 1.5; }

/* 09 - NUMBERS */
.numbers-section { position: relative; }
.num-screen { height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; background-color: var(--black); border-bottom: 1px solid #111; }
.huge-number { font-size: clamp(6rem, 20vw, 20rem); font-weight: 800; letter-spacing: -0.06em; line-height: 0.8; }
.num-label { font-size: clamp(1rem, 2vw, 2rem); font-weight: 500; letter-spacing: 0.2em; color: var(--gray); margin-top: 2rem; }

/* 10 - INSIGHTS */
.insights-section { padding: 15rem 4%; background-color: var(--white); color: var(--black); }
.insights-container { display: flex; justify-content: space-between; align-items: flex-start; gap: 5%; }
.insights-left { width: 30%; position: sticky; top: 150px; }
.journal-title { font-size: clamp(3rem, 6vw, 5rem); font-weight: 700; letter-spacing: -0.04em; margin-bottom: 4rem; line-height: 1; }
.journal-nav { display: flex; flex-direction: column; gap: 1.5rem; }
.journal-nav li { font-size: 1.2rem; font-weight: 600; color: var(--light-gray); transition: 0.3s; }
.journal-nav li.active { color: var(--black); }
.insights-right { width: 65%; display: flex; flex-direction: column; gap: 15rem; }
.article { display: flex; flex-direction: column; gap: 2rem; opacity: 0.3; transition: opacity 0.5s var(--ease); }
.article.active { opacity: 1; }
.article-title { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.article-img { height: 60vh; overflow: hidden; }
.article-img img { width: 100%; height: 100%; object-fit: cover; }
.article-meta { font-size: 0.9rem; letter-spacing: 0.1em; color: var(--gray); border-top: 1px solid #CCC; padding-top: 1rem; }

/* 11 - HORIZONTAL */
.horizontal-section { background-color: var(--black); color: var(--white); padding-top: 10rem; overflow: hidden; }
.horizontal-header { padding: 0 4% 5rem 4%; }
.horizontal-header h2 { font-size: clamp(3rem, 8vw, 6rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.horizontal-container { width: 100%; overflow: hidden; }
.horizontal-wrap { display: flex; width: max-content; padding: 0 4% 10rem 4%; gap: 5rem; }
.h-item { width: 60vw; max-width: 800px; display: flex; flex-direction: column; gap: 2rem; flex-shrink: 0; }
.h-img { height: 60vh; overflow: hidden; }
.h-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); transition: 0.5s; }
.h-item:hover .h-img img { filter: grayscale(0%); transform: scale(1.03); }
.h-item h3 { font-size: clamp(2rem, 5vw, 4rem); font-weight: 600; letter-spacing: -0.03em; }

/* 12 - GLOBAL NETWORK */
.global-section {
    height: 100vh;
    background-color: var(--black);
    background-image: 
        linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
        url('map-bg.jpg');
    background-size: cover;
    background-position: center center;
    position: relative;
    overflow: hidden;
}
.global-container { width: 100%; height: 100%; position: relative; }
.network-map { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.map-dot { position: absolute; width: 10px; height: 10px; background-color: var(--white); border-radius: 50%; transform: translate(-50%, -50%); transition: 0.3s var(--ease); box-shadow: 0 0 10px rgba(255,255,255,0.5); }
.map-dot:hover { transform: translate(-50%, -50%) scale(2); }
.map-line { position: absolute; background-color: rgba(255,255,255,0.1); transform-origin: left center; pointer-events: none; height: 1px; }
.global-info { position: absolute; bottom: 5%; left: 4%; color: var(--white); opacity: 0; transition: 0.3s var(--ease); }
.global-info.active { opacity: 1; }
.global-info h3 { font-size: 4rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.5rem; }
.global-info p { color: var(--gray); letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.g-link { font-size: 0.9rem; letter-spacing: 0.1em; text-decoration: underline; margin-top: 1rem; display: inline-block; }

/* 13 - COMPLEXITY */
.complexity-section { height: 150vh; background-color: var(--white); color: var(--black); padding: 10rem 4%; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.c-container { text-align: center; }
.c-text1, .c-text2 { font-size: clamp(4rem, 10vw, 10rem); font-weight: 800; letter-spacing: -0.05em; line-height: 0.9; }
.c-text2 { opacity: 0; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100%; }
#split-complex { display: inline-block; position: relative; }
.char { display: inline-block; }

/* 14 - WORK */
.work-section { padding: 15rem 4%; background-color: var(--black); }
.work-header h2 { font-size: 1rem; letter-spacing: 0.2em; color: var(--gray); margin-bottom: 5rem; }
.work-list { display: flex; flex-direction: column; }
.work-item { padding: 4rem 0; border-top: 1px solid #222; display: flex; flex-direction: column; gap: 1rem; transition: background 0.3s; }
.work-item:last-child { border-bottom: 1px solid #222; }
.w-meta { font-size: 0.85rem; letter-spacing: 0.1em; color: var(--gray); }
.w-title { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 600; letter-spacing: -0.03em; }
.w-hover { font-size: 0.85rem; letter-spacing: 0.1em; margin-top: 1rem; opacity: 0; transform: translateY(10px); transition: 0.3s; color: var(--gray); }
.work-item:hover .w-title { color: var(--light-gray); }
.work-item:hover .w-hover { opacity: 1; transform: translateY(0); }

/* 15 - TIMELINE */
.timeline-section { padding: 15rem 4%; background-color: var(--white); color: var(--black); text-align: center; position: relative; }
.timeline-container { display: flex; flex-direction: column; align-items: center; gap: 15rem; position: relative; }
.t-line { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 1px; height: 100%; background-color: var(--light-gray); z-index: 0; }
.t-point { position: relative; z-index: 10; background: var(--white); padding: 2rem; }
.t-point h3 { font-size: clamp(3rem, 6vw, 6rem); font-weight: 700; letter-spacing: -0.04em; margin-bottom: 0.5rem; }
.t-point p { font-size: 1rem; letter-spacing: 0.2em; color: var(--gray); }

/* 16 - BREAK */
.break-section { height: 100vh; background-color: var(--black); display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.b-word { position: absolute; font-size: clamp(4rem, 10vw, 10rem); font-weight: 800; letter-spacing: -0.05em; opacity: 0; }
.b-logo { font-size: clamp(3rem, 6vw, 6rem); letter-spacing: -0.02em; color: var(--gray); }

/* 17 - CAREERS */
.careers-section { height: 100vh; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.careers-bg { position: absolute; top: -10%; left: -10%; width: 120%; height: 120%; z-index: 0; filter: grayscale(100%) brightness(0.4); }
.careers-bg img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.1s; }
.careers-content { position: relative; z-index: 10; text-align: center; }
.careers-content h2 { font-size: clamp(4rem, 12vw, 12rem); font-weight: 800; letter-spacing: -0.05em; line-height: 0.85; margin-bottom: 3rem; }
.c-btn { font-size: 1rem; letter-spacing: 0.1em; border-bottom: 1px solid var(--white); padding-bottom: 0.5rem; }

/* 18 - CONTACT */
.contact-section { padding: 15rem 4% 5rem 4%; background-color: var(--black); }
.contact-container h2 { font-size: clamp(4rem, 8vw, 8rem); font-weight: 700; letter-spacing: -0.05em; margin-bottom: 8rem; }
.stagger-form { max-width: 800px; display: flex; flex-direction: column; gap: 4rem; }
.form-step { display: flex; flex-direction: column; gap: 1rem; opacity: 0; transform: translateY(30px); }
.form-step label { font-size: 0.85rem; letter-spacing: 0.1em; color: var(--gray); }
.form-step input, .form-step select, .form-step textarea {
    background: transparent; border: none; border-bottom: 1px solid #333;
    padding: 1rem 0; font-family: var(--font); font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 500; color: var(--white); transition: 0.3s; outline: none;
}
.form-step input:focus, .form-step select:focus, .form-step textarea:focus { border-bottom-color: var(--white); }
.form-submit button { background: none; border: none; color: var(--white); font-size: 2rem; font-weight: 600; text-align: left; opacity: 0; }

/* 19 - FOOTER */
.footer { padding: 10rem 4% 4rem 4%; background-color: var(--black); border-top: 1px solid #111; }
.footer-logo { font-size: clamp(5rem, 15vw, 18rem); font-weight: 800; letter-spacing: -0.05em; line-height: 0.8; margin-bottom: 5rem; }
.footer-links { display: flex; gap: 10rem; margin-bottom: 10rem; }
.f-col { display: flex; flex-direction: column; gap: 1.5rem; }
.f-col a { font-size: 1.5rem; font-weight: 500; letter-spacing: -0.02em; color: var(--gray); transition: 0.3s; }
.f-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid #222; padding-top: 2rem; font-size: 0.85rem; color: var(--gray); }
.f-legal { display: flex; gap: 2rem; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hide-mobile { display: none !important; }
    .people-gallery { flex-direction: column; gap: 5rem; }
    .person-wrapper { width: 100%; }
    .p-center, .p-right { margin-top: 0; }
    .insights-container { flex-direction: column; gap: 5rem; }
    .insights-left { position: relative; top: 0; width: 100%; }
    .insights-right { width: 100%; gap: 5rem; }
    .article { opacity: 1; }
    .footer-links { flex-direction: column; gap: 4rem; }
    .c-text1, .c-text2 { font-size: 3rem; }
    .horizontal-section { display: none; } /* complex scroll hidden for UX */
}