@font-face {
    font-family: "Google Sans";
    src: url(./font/Google\ Sans.ttf);
}

:root {
    --card-1-stroke: #e67339;
    --card-2-stroke: #d695dc;
    --card-3-stroke: #eb3828;
    --card-4-stroke: #d0d465;
    --card-5-stroke: #5f7c98;
    --card-6-stroke: #93d465;
    --card-base-stroke: #e0e0e0;
    --card-copy: #000;
}

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

body {
    font-family: "Google Sans", sans-serif;
    background-color: #f7f7f7;
    color: #000;
}

nav {
    width: 100%;
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02rem;
}

.btn-primary {
    background-color: #5541ff;
    color: #fff;
    padding: 0.75rem 1.75rem;
    border-radius: 2rem;
    border: none;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #4433d9;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.04rem;
    text-align: left;
    margin: 0;
}

h3 {
    font-size: clamp(2rem, 5vw, 7rem);
    font-weight: 450;
    line-height: 1.25;
    letter-spacing: -0.025rem;
}

img,
video,
svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

header.hero {
    width: 100%;
    min-height: 70vh;
    padding: 10rem 5% 5rem 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

header.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.04rem;
    text-align: left;
    margin: 0;
}

.marquee {
    width: 100%;
    overflow: hidden;
    padding: 2rem 0 6rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.marquee-content {
    display: flex;
    gap: 4rem;
    width: max-content;
    animation: scroll 30s linear infinite;
}

.marquee-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
}

.marquee-item svg {
    height: 100%;
    width: auto;
    color: #888;
    opacity: 0.35;
    fill: currentColor;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.marquee-item svg:hover {
    opacity: 0.7;
    color: #555;
}

@keyframes scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

.philosophy {
    width: 100%;
    padding: 10rem 5%;
    display: flex;
    gap: 4rem;
    background-color: #fff;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.phi-left {
    flex: 1.2;
}

.phi-left h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 450;
    line-height: 1.1;
    letter-spacing: -0.02rem;
}

.phi-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.phi-item {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.phi-item:last-child {
    border-bottom: none;
}

.phi-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #999;
    letter-spacing: 0.05rem;
}

.phi-item p {
    font-size: 1.1rem;
    line-height: 1.4;
    color: #333;
    font-weight: 450;
}

.testimonial {
    width: 100%;
    padding: 10rem 5%;
    background-color: #fff;
    display: flex;
    justify-content: center;
}

.test-content {
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.quote {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 450;
    line-height: 1.35;
    letter-spacing: -0.01rem;
    color: #111;
}

.test-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author-profile {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 600;
}

.author-title {
    font-size: 0.9rem;
    color: #777;
}

.logo-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #111;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.dark-footer {
    width: 100%;
    padding: 10rem 5%;
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.dark-footer h2 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.03rem;
}

.footer-right {
    max-width: 400px;
}

.footer-link-block {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mono-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #666;
    letter-spacing: 0.05rem;
}

.footer-link-block p {
    font-size: 1.25rem;
    line-height: 1.4;
    color: #999;
}

@media (max-width: 1000px) {
    .philosophy {
        flex-direction: column;
        gap: 3rem;
    }

    .test-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .dark-footer {
        flex-direction: column;
        gap: 4rem;
    }
}

.row {
    width: 100%;
    padding: 0 1rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
}

.card-container {
    position: relative;
    flex: 1;
    aspect-ratio: 1;
    border-radius: 1rem;
    overflow: hidden;
}

.card-container .svg-stroke {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.5);
    width: 100%;
    height: 100%;
}

#card-1 .svg-stroke-1 svg path {
    stroke: var(--card-1-stroke);
}

#card-2 .svg-stroke-1 svg path {
    stroke: var(--card-2-stroke);
}

#card-3 .svg-stroke-1 svg path {
    stroke: var(--card-3-stroke);
}

#card-4 .svg-stroke-1 svg path {
    stroke: var(--card-4-stroke);
}

#card-5 .svg-stroke-1 svg path {
    stroke: var(--card-5-stroke);
}

#card-6 .svg-stroke-1 svg path {
    stroke: var(--card-6-stroke);
}

.card-container .svg-stroke-2 svg path {
    stroke: var(--card-base-stroke);
}

.card-details {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: var(--card-copy);
    z-index: 10;
}

.card-details-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    opacity: 0;
    transform: translateY(-20px);
    will-change: opacity, transform;
}

.card-logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02rem;
}

.card-link-icon {
    font-size: 1.5rem;
    opacity: 0.5;
}

.card-details-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 80%;
}

.card-value {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.04rem;
}

.card-value .word-container {
    overflow: hidden;
    display: inline-block;
    vertical-align: bottom;
}

.card-value .word {
    display: inline-block;
    will-change: transform;
}

.card-description {
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(20px);
    font-weight: 450;
    will-change: opacity, transform;
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    opacity: 0;
    transform: translateY(20px);
    will-change: opacity, transform;
}

.card-tags span {
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    background: rgba(0, 0, 0, 0.05);
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.6);
}

@media (max-width: 1000px) {
    .row {
        flex-direction: column;
    }

    .card-details {
        padding: 1.5rem;
    }
}