* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #050505;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
}


/* =========================
   NAVIGATION
========================= */

.navbar {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 90px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 4vw;

    z-index: 10;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 8px;
}

nav {
    display: flex;
    gap: 50px;
}

nav a {
    color: white;
    text-decoration: none;

    font-size: 11px;
    letter-spacing: 3px;

    opacity: 0.9;
}

nav a:hover {
    color: #00d6d6;
}

.menu {
    font-size: 22px;
}


/* =========================
   HERO
========================= */

.hero {
    position: relative;

    width: 100%;
    height: 100vh;
    min-height: 700px;

    background-image: url("images/hero.png");

    background-size: cover;
    background-position: center center;

    display: flex;
    align-items: center;
}


/* 黑色渐变，让文字看得清 */

.hero-overlay {
    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.65) 0%,
            rgba(0, 0, 0, 0.25) 45%,
            rgba(0, 0, 0, 0.05) 100%
        );
}


/* =========================
   HERO CONTENT
========================= */

.hero-content {
    position: relative;
    z-index: 2;

    margin-left: 7vw;

    max-width: 650px;
}

.eyebrow {
    color: #00d6d6;

    font-size: 12px;
    letter-spacing: 4px;

    margin-bottom: 25px;
}

h1 {
    font-size: clamp(60px, 7vw, 110px);

    font-weight: 300;

    letter-spacing: 5px;

    line-height: 0.95;

    margin-bottom: 35px;
}

.hero-content p {
    font-size: 18px;

    line-height: 1.6;

    color: rgba(255, 255, 255, 0.85);

    margin-bottom: 45px;
}


/* =========================
   BUTTON
========================= */

.watch-button {
    display: inline-flex;

    align-items: center;

    gap: 15px;

    color: white;

    text-decoration: none;

    font-size: 11px;

    letter-spacing: 3px;
}

.watch-button span {
    width: 48px;
    height: 48px;

    border: 1px solid #00d6d6;

    border-radius: 50%;

    display: flex;

    align-items: center;
    justify-content: center;

    color: #00d6d6;

    transition: 0.3s;
}

.watch-button:hover span {
    background: #00d6d6;
    color: #000;
}