@font-face {
    font-family: 'Calder';
    src: url('/fonts/Calder-LC.otf') format('opentype');
    font-weight: 100 900;
    font-style: normal;
}

:root {
    font-family: 'Calder', sans-serif;

    --blue: #3a4db8;
    --blue-light: #c2c6ff;
    --blue-muted: #8b90c4;
    --blue-dark: #2a2f5e;
    --surface: #f4f4f8;
    --white: #f0f0f4;
    --text: #1a1a2e;
}

html {
    scroll-behavior: smooth;
}
@media (780px <= width <= 1280px) {

}
@media (width > 1280px) {

}

body {
    color: var(--text);
    background: white;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

em {
    font-style: italic;
}


/* HERO */

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    text-align: center;
    padding: 10rem 2rem;
    position: relative;
    background: var(--blue-dark);
    color: var(--white);
    overflow: hidden;
}


.hero-clouds {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 80%, #3a4db866 0%, transparent 70%),
        radial-gradient(ellipse 50% 60% at 80% 20%, #c2c6ff26 0%, transparent 70%);
    pointer-events: none;
}

.cloud {
    position: absolute;
    border-radius: 50%;
    filter: blur(4rem);
    opacity: 0.65;
    will-change: transform;
}

.cloud-1 {
    width: 37.5rem;
    height: 30rem;
    background: radial-gradient(circle, #3a4db8cc 0%, transparent 70%);
    top: 55%;
    left: -15%;
    animation: drift1 10s ease-in-out infinite alternate;
}

.cloud-2 {
    width: 35rem;
    height: 28rem;
    background: radial-gradient(circle, #c2c6ff80 0%, transparent 70%);
    top: -15%;
    right: -10%;
    animation: drift2 9s ease-in-out infinite alternate;
}

.cloud-3 {
    width: 28rem;
    height: 28rem;
    background: radial-gradient(circle, #60627e99 0%, transparent 70%);
    top: 25%;
    left: 45%;
    animation: drift3 7s ease-in-out infinite alternate;
}

.cloud-4 {
    width: 42rem;
    height: 22rem;
    background: radial-gradient(circle, #3a4db873 0%, transparent 70%);
    bottom: -20%;
    right: 15%;
    animation: drift4 6s ease-in-out infinite alternate;
}

/* cloud transform keyframes */

@keyframes drift1 {
    0%   { 
        transform: translate(0, 0) scale(1); 
    }
    25%  { 
        transform: translate(10rem, -5rem) scale(1.1); 
    }
    50%  { 
        transform: translate(18rem, -8rem) scale(1.2); 
    }
    75%  { 
        transform: translate(8rem, -3rem) scale(1.05); 
    }
    100% { 
        transform: translate(22rem, -6rem) scale(1.15); 
    }
}

@keyframes drift2 {
    0%   { 
        transform: translate(0, 0) scale(1); 
    }
    25%  { 
        transform: translate(-8rem, 10rem) scale(1.12); 
    }
    50%  { 
        transform: translate(-16rem, 15rem) scale(1.2); 
    }
    75%  { 
        transform: translate(-6rem, 8rem) scale(1.08); 
    }
    100% { 
        transform: translate(-14rem, 18rem) scale(1.1); 
    }
}

@keyframes drift3 {
    0%   { 
        transform: translate(0, 0) scale(1); 
    }
    33%  { 
        transform: translate(-12rem, -8rem) scale(1.15); 
    }
    66%  { 
        transform: translate(6rem, 10rem) scale(0.9); 
    }
    100% { 
        transform: translate(-8rem, 6rem) scale(1.1); 
    }
}

@keyframes drift4 {
    0%   { 
        transform: translate(0, 0) scale(1); 
    }
    30%  { 
        transform: translate(-10rem, -6rem) scale(1.12); 
    }
    60%  { 
        transform: translate(8rem, -10rem) scale(1.2); 
    }
    100% { 
        transform: translate(-5rem, -14rem) scale(1.08); 
    }
}


.hero-logo {
    max-width: 50%;
    /* height: 3rem; */
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;

}

@media (780px <= width <= 1280px) {
    .hero-logo {
        max-width: 30%;
    }
}
@media (width > 1280px) {
    .hero-logo {
        max-width: 20%;
    }
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--blue-light);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.15s forwards;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 0.3em;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.3s forwards;
}
@media (780px <= width <= 1280px) {
    .hero h1 {
        font-size: 5rem;
    }
}
@media (width > 1280px) {
    .hero h1 {
        font-size: 6rem;
    }
}

.hero h1 em {
    color: var(--blue-light);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    color: var(--blue-muted);
    max-width: 440px;
    line-height: 1.6;
    margin-top: 1rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.45s forwards;
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    margin-inline: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blue-muted);
    opacity: 0;
    animation: fadeUp 0.8s ease 0.7s forwards;
}

.hero-scroll::after {
    content: '';
    display: block;
    width: 1px;
    height: 32px;
    background: var(--blue-muted);
    margin: 0.75rem auto 0;
    animation: scrollLine 1.8s ease-in-out infinite;
}


/* CONTEXT */

.context {
    padding: 6rem 2rem;
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.context p {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    line-height: 1.75;
    color: var(--blue-dark);
    font-weight: 300;
}

.context a {
    color: var(--blue);
    border-bottom: 1px solid var(--blue-light);
    transition: border-color 0.3s ease;
}

.context a:hover {
    border-color: var(--blue);
}


/* PROJECTS */

.projects {
    padding: 2rem 0 6rem;
}

.projects-heading {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--blue-muted);
    text-align: center;
    margin-bottom: 3rem;
}

.project {
    border-top: 1px solid #2a2f5e1a;
}

.project:last-child {
    border-bottom: 1px solid #2a2f5e1a;
}

.project-link {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
    padding: 2.5rem clamp(2rem, 5vw, 5rem);
    transition: background 0.4s ease, padding 0.3s ease;
    cursor: pointer;
}

.project-link:hover {
    background: var(--surface);
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.project-num {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    color: var(--blue-light);
    line-height: 1;
    transition: color 0.4s ease;
    min-width: 3ch;
}

.project-link:hover .project-num {
    color: var(--blue);
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.project-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 400;
    line-height: 1.2;
    transition: color 0.3s ease;
}

.project-link:hover .project-title {
    color: var(--blue);
}

.project-desc {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--blue-muted);
    line-height: 1.5;
    max-width: 520px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.4s ease, margin 0.4s ease;
}

.project-link:hover .project-desc {
    max-height: 120px;
    opacity: 1;
    margin-top: 0.3rem;
}

.project-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue);
    background: #3a4db814;
    padding: 0.25em 0.7em;
    border-radius: 2px;
    margin-top: 0.3rem;
    width: fit-content;
}

.project-arrow {
    font-size: 1.5rem;
    color: var(--blue-light);
    transition: transform 0.4s ease, color 0.4s ease;
}

.project-link:hover .project-arrow {
    transform: translateX(6px);
    color: var(--blue);
}


/* ABOUT / FOOTER */

.about {
    background: var(--blue-dark);
    color: var(--white);
    padding: clamp(4rem, 8vw, 7rem) 2rem;
}

.about-inner {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
}

.about-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 300;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.about-text p {
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.7;
    color: var(--blue-muted);
}

.about-links h3 {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--blue-light);
    margin-bottom: 1.5rem;
}

.about-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.about-links a {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.about-links a:hover {
    color: var(--blue-light);
}

.about-links a::before {
    content: '→';
    font-size: 0.85rem;
    color: var(--blue-muted);
    transition: transform 0.3s ease, color 0.3s ease;
}

.about-links a:hover::before {
    transform: translateX(4px);
    color: var(--blue-light);
}

.footer-bar {
    background: var(--text);
    color: var(--blue-muted);
    text-align: center;
    padding: 1.5rem 2rem;
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}


/* ANIMATIONS */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollLine {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.5);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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


/* RESPONSIVE */

@media (min-width: 640px) {
    .about-inner {
        grid-template-columns: 1.2fr 1fr;
        text-align: left;
        gap: 5rem;
    }
}

@media (max-width: 480px) {
    .project-link {
        grid-template-columns: 1fr auto;
        gap: 1rem;
    }

    .project-num {
        display: none;
    }

    .project-link:hover .project-desc {
        max-height: 150px;
    }
}