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

html {
    scroll-behavior: smooth;
}

body {
    background: #050505;
    color: #f4f1ea;
    font-family: Arial, Helvetica, sans-serif;
    overflow-x: hidden;
}


/* ================= NAVBAR ================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;

    padding: 28px 5%;

    display: flex;
    justify-content: space-between;
    align-items: center;

    z-index: 1000;

    background: linear-gradient(
        to bottom,
        rgba(0,0,0,.55),
        transparent
    );
}

.logo {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: 8px;
}

nav {
    display: flex;
    gap: 40px;
}

nav a {
    position: relative;

    color: #aaa;
    text-decoration: none;

    font-size: 10px;
    letter-spacing: 3px;

    transition: color .3s ease;
}

nav a:hover {
    color: white;
}

nav a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -8px;

    width: 0;
    height: 1px;

    background: white;

    transition: width .3s ease;
}

nav a:hover::after {
    width: 100%;
}


/* ================= HERO ================= */

.hero {
    height: 400vh;
    position: relative;

    background:
        radial-gradient(
            circle at 70% 45%,
            rgba(255,255,255,.07),
            transparent 25%
        ),
        #050505;
}


/* subtle grid */

.hero::before {
    content: "";

    position: absolute;

    inset: 0;

    background-image:
        linear-gradient(
            rgba(255,255,255,.025) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,.025) 1px,
            transparent 1px
        );

    background-size: 80px 80px;

    pointer-events: none;
}


/* ================= WATCH ================= */

.watch-animation {
    position: sticky;

    top: 0;

    height: 100vh;
    width: 100%;

    display: flex;

    align-items: center;
    justify-content: center;

    z-index: 2;
}

.watch-animation img {
    width: min(720px, 75vw);
    height: 78vh;

    object-fit: contain;

    filter:
        drop-shadow(
            0 30px 70px rgba(0,0,0,.9)
        );

    will-change: contents;
}


/* ================= HERO TEXT ================= */

.hero-content {
    position: absolute;

    top: 36vh;
    left: 7%;

    z-index: 5;

    pointer-events: none;
}

.eyebrow {
    font-size: 9px;

    letter-spacing: 6px;

    color: #777;

    margin-bottom: 28px;
}

.hero-content h1 {
    font-size: clamp(75px, 13vw, 190px);

    font-weight: 600;

    letter-spacing: -8px;

    line-height: .78;

    background: linear-gradient(
        120deg,
        #ffffff,
        #777,
        #ffffff
    );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    margin-top: 40px;

    max-width: 360px;

    color: #777;

    line-height: 1.8;

    font-size: 13px;
}

.hero-description strong {
    display: block;

    margin-top: 8px;

    color: #ddd;

    letter-spacing: 2px;
}


/* ================= SCROLL ================= */

.scroll-indicator {
    position: fixed;

    bottom: 30px;
    left: 50%;

    transform: translateX(-50%);

    z-index: 10;

    color: #666;

    font-size: 8px;

    letter-spacing: 5px;

    text-align: center;
}

.scroll-indicator span {
    display: block;

    margin-top: 12px;

    font-size: 18px;

    animation: arrowMove 1.5s infinite;
}

@keyframes arrowMove {

    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(8px);
    }

}


/* ================= STORY ================= */

.story {
    position: relative;

    min-height: 100vh;

    padding: 15% 8%;

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    text-align: center;

    background:
        radial-gradient(
            circle,
            #151515,
            #050505 65%
        );
}

.story h2 {
    font-size: clamp(50px, 9vw, 125px);

    font-weight: 500;

    line-height: .85;

    letter-spacing: -5px;

    margin-bottom: 45px;
}

.story > p:last-child {
    max-width: 520px;

    color: #777;

    font-size: 14px;

    line-height: 2;
}


/* ================= COLLECTION ================= */

.collection {
    padding: 160px 6%;

    background: #080808;
}

.section-title {
    margin-bottom: 100px;
}

.section-title h2 {
    font-size: clamp(45px, 8vw, 110px);

    font-weight: 500;

    letter-spacing: -4px;

    line-height: .85;
}


.watch-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 100px 35px;
}


.watch-card {
    position: relative;

    border-top: 1px solid #292929;

    padding-top: 25px;

    transition: transform .5s ease;
}

.watch-card:hover {
    transform: translateY(-10px);
}


.watch-image {
    position: relative;

    height: 520px;

    margin-bottom: 30px;

    display: flex;

    align-items: center;
    justify-content: center;

    overflow: hidden;

    background:
        radial-gradient(
            circle,
            #181818,
            #090909 65%
        );
}

.watch-image::after {
    content: "";

    position: absolute;

    inset: 0;

    border: 1px solid rgba(255,255,255,.04);

    pointer-events: none;
}

.watch-image img {
    width: 90%;
    height: 90%;

    object-fit: contain;

    transition:
        transform .7s cubic-bezier(.2,.8,.2,1),
        filter .7s ease;
}

.watch-card:hover .watch-image img {
    transform: scale(1.1);

    filter:
        drop-shadow(
            0 20px 40px rgba(255,255,255,.08)
        );
}


.watch-card h3 {
    font-size: 19px;

    font-weight: 500;

    letter-spacing: 4px;
}

.watch-card p {
    max-width: 380px;

    color: #666;

    line-height: 1.8;

    margin: 15px 0 25px;

    font-size: 13px;
}


/* ================= BUTTON ================= */

button {
    position: relative;

    overflow: hidden;

    background: transparent;

    color: white;

    border: 1px solid #444;

    padding: 14px 25px;

    cursor: pointer;

    letter-spacing: 3px;

    font-size: 9px;

    transition:
        color .3s ease,
        border-color .3s ease;
}

button::before {
    content: "";

    position: absolute;

    inset: 0;

    background: white;

    transform: translateX(-101%);

    transition: transform .35s ease;

    z-index: -1;
}

button:hover {
    color: black;

    border-color: white;
}

button:hover::before {
    transform: translateX(0);
}


/* ================= FINAL ================= */

.final-section {
    min-height: 100vh;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    text-align: center;

    background:
        radial-gradient(
            circle at center,
            #171717,
            #050505 60%
        );
}

.final-section h2 {
    font-size: clamp(65px, 13vw, 190px);

    font-weight: 500;

    letter-spacing: -8px;

    line-height: .78;

    margin-bottom: 60px;
}


/* ================= FOOTER ================= */

footer {
    border-top: 1px solid #222;

    padding: 60px 6%;

    display: flex;

    justify-content: space-between;

    align-items: center;

    color: #555;

    font-size: 9px;

    letter-spacing: 3px;
}


/* ================= MOBILE ================= */

@media (max-width: 700px) {

    .navbar {
        padding: 22px 6%;
    }

    nav {
        display: none;
    }

    .hero-content {
        top: 22vh;

        left: 7%;
    }

    .hero-content h1 {
        font-size: 80px;
    }

    .hero-description {
        max-width: 270px;
    }

    .watch-animation img {
        width: 100vw;

        height: 68vh;
    }

    .watch-grid {
        grid-template-columns: 1fr;
    }

    .watch-image {
        height: 420px;
    }

    .section-title {
        margin-bottom: 60px;
    }

    footer {
        flex-direction: column;

        gap: 20px;

        text-align: center;
    }

}

/* ================= MOBILE EXPERIENCE ================= */

@media (max-width: 700px) {

    body {
        width: 100%;
        overflow-x: hidden;
    }

    /* NAVBAR */

    .navbar {
        padding: 20px 6%;
    }

    .logo {
        font-size: 17px;
        letter-spacing: 5px;
    }

    nav {
        display: none;
    }


    /* HERO */

    .hero {
        height: 350vh;
    }

    .watch-animation {
        width: 100%;
        height: 100vh;
    }

    .watch-animation img {
        width: 94vw;
        height: 62vh;

        object-fit: contain;
    }


    /* HERO TEXT */

    .hero-content {
        top: 16vh;
        left: 7%;
        right: 7%;
    }

    .eyebrow {
        font-size: 8px;
        letter-spacing: 4px;
        margin-bottom: 20px;
    }

    .hero-content h1 {
        font-size: clamp(58px, 20vw, 90px);
        letter-spacing: -4px;
    }

    .hero-description {
        max-width: 260px;

        margin-top: 25px;

        font-size: 11px;

        line-height: 1.7;
    }

    .hero-description strong {
        font-size: 10px;
        letter-spacing: 1.5px;
    }


    /* SCROLL INDICATOR */

    .scroll-indicator {
        bottom: 20px;

        font-size: 7px;

        letter-spacing: 4px;
    }

    .scroll-indicator span {
        font-size: 16px;
        margin-top: 8px;
    }


    /* STORY */

    .story {
        min-height: 100vh;

        padding: 20% 8%;
    }

    .story h2 {
        font-size: clamp(45px, 14vw, 75px);

        letter-spacing: -3px;

        line-height: .9;

        margin-bottom: 30px;
    }

    .story > p:last-child {
        max-width: 300px;

        font-size: 12px;

        line-height: 1.8;
    }


    /* COLLECTION */

    .collection {
        padding: 100px 7%;
    }

    .section-title {
        margin-bottom: 55px;
    }

    .section-title h2 {
        font-size: clamp(40px, 13vw, 70px);

        letter-spacing: -3px;
    }


    .watch-grid {
        grid-template-columns: 1fr;

        gap: 70px;
    }


    /* WATCH CARDS */

    .watch-card {
        padding-top: 20px;
    }

    .watch-image {
        height: 390px;

        margin-bottom: 25px;
    }

    .watch-image img {
        width: 92%;
        height: 92%;
    }

    .watch-card h3 {
        font-size: 16px;

        letter-spacing: 3px;
    }

    .watch-card p {
        font-size: 12px;

        max-width: 280px;

        margin: 12px 0 20px;
    }


    /* BUTTON */

    button {
        padding: 13px 20px;

        font-size: 8px;

        letter-spacing: 2.5px;
    }


    /* FINAL SECTION */

    .final-section {
        min-height: 80vh;

        padding: 15%;
    }

    .final-section h2 {
        font-size: clamp(55px, 18vw, 90px);

        letter-spacing: -4px;

        margin-bottom: 45px;
    }


    /* FOOTER */

    footer {
        padding: 45px 7%;

        flex-direction: column;

        gap: 18px;

        text-align: center;

        font-size: 8px;
    }

    footer .logo {
        font-size: 17px;
    }

}