:root {
    --bg: #06110a;
    --bg-soft: #0b1c10;
    --card: #102416;
    --text: #f7fff9;
    --muted: #a9c7b0;
    --green: #18d84b;
    --green-2: #6cff8c;
    --line: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(
            circle at top left,
            rgba(24, 216, 75, 0.16),
            transparent 30%
        ),
        linear-gradient(
            180deg,
            #06110a 0%,
            #08140c 100%
        );
    color: var(--text);
    line-height: 1.6;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}


/* =========================
   HEADER
========================= */

.header {
    position: sticky;
    top: 0;
    z-index: 50;

    background: rgba(6, 17, 10, 0.88);

    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);

    border-bottom: 1px solid var(--line);
}

.nav {
    min-height: 78px;

    display: flex;
    align-items: center;

    gap: 30px;
}

.logo {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: -1px;
}

.logo span {
    color: var(--green);
}

.nav-menu {
    display: flex;
    align-items: center;

    gap: 28px;

    margin-left: auto;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 700;

    color: #dff4e4;

    transition: color 0.2s ease;
}

.nav-menu a:hover {
    color: var(--green-2);
}

.nav-actions {
    display: flex;
    gap: 10px;
}

.menu-toggle {
    display: none;

    margin-left: auto;

    border: 0;

    background: transparent;

    color: #fff;

    font-size: 28px;

    cursor: pointer;
}


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

.btn {
    display: inline-flex;

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

    min-height: 44px;

    padding: 0 22px;

    border-radius: 12px;

    font-size: 14px;
    font-weight: 800;

    transition:
        transform 0.2s ease,
        opacity 0.2s ease,
        border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-login,
.btn-secondary {
    border: 1px solid rgba(108, 255, 140, 0.28);

    background: rgba(255, 255, 255, 0.04);
}

.btn-login:hover,
.btn-secondary:hover {
    border-color: rgba(108, 255, 140, 0.52);
}

.btn-register,
.btn-primary {
    color: #041007;

    background:
        linear-gradient(
            135deg,
            var(--green-2),
            var(--green)
        );

    box-shadow:
        0 10px 35px rgba(24, 216, 75, 0.22);
}


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

.hero {
    min-height: 680px;

    display: flex;
    align-items: center;

    padding: 90px 0;
}

.hero-grid {
    display: grid;

    grid-template-columns: 1.1fr 0.9fr;

    align-items: center;

    gap: 70px;
}

.hero-badge,
.section-heading > span,
.cta-box > div > span {
    display: inline-block;

    color: var(--green-2);

    font-size: 12px;
    font-weight: 900;

    letter-spacing: 2px;
}

.hero h1 {
    margin-top: 16px;

    max-width: 680px;

    font-size: clamp(52px, 7vw, 92px);

    line-height: 0.98;

    letter-spacing: -4px;
}

.hero h1 span {
    display: block;

    margin-top: 16px;

    color: #c7f9d2;

    font-size: clamp(25px, 3vw, 42px);

    line-height: 1.1;

    letter-spacing: -1.8px;
}

.hero-content > p {
    max-width: 580px;

    margin-top: 24px;

    color: var(--muted);

    font-size: 17px;

    line-height: 1.8;
}

.hero-actions {
    display: flex;

    flex-wrap: wrap;

    gap: 12px;

    margin-top: 32px;
}

.hero-visual {
    display: flex;

    justify-content: center;
}


/* =========================
   VISUAL CARD BASE
========================= */

.visual-card {
    position: relative;

    width: min(100%, 440px);

    min-height: 430px;

    overflow: hidden;

    border-radius: 32px;

    padding: 42px;

    display: flex;

    flex-direction: column;

    justify-content: flex-end;

    background:
        radial-gradient(
            circle at 72% 22%,
            rgba(108, 255, 140, 0.30),
            transparent 24%
        ),
        linear-gradient(
            145deg,
            #153520 0%,
            #09150c 55%,
            #061009 100%
        );

    border:
        1px solid rgba(108, 255, 140, 0.22);

    box-shadow:
        0 35px 90px rgba(0, 0, 0, 0.48),
        inset 0 1px 0 rgba(255, 255, 255, 0.07);
}


/* =========================
   GAMBAR PER HALAMAN
========================= */

/* HOME */
.visual-home {
    background:
        linear-gradient(
            180deg,
            rgba(3, 18, 8, 0.02) 0%,
            rgba(3, 18, 8, 0.06) 45%,
            rgba(3, 18, 8, 0.80) 100%
        ),
        url("assets/icons/hero.webp")
        center center / cover no-repeat;
}


/* PROMO */
.visual-promo {
    background:
        linear-gradient(
            180deg,
            rgba(3, 18, 8, 0.02) 0%,
            rgba(3, 18, 8, 0.06) 45%,
            rgba(3, 18, 8, 0.82) 100%
        ),
        url("assets/icons/promo.webp")
        center center / cover no-repeat;
}


/* EVENT */
.visual-event {
    background:
        linear-gradient(
            180deg,
            rgba(3, 18, 8, 0.02) 0%,
            rgba(3, 18, 8, 0.06) 45%,
            rgba(3, 18, 8, 0.82) 100%
        ),
        url("assets/icons/event.webp")
        center center / cover no-repeat;
}


/* TENTANG */
.visual-tentang {
    background:
        linear-gradient(
            180deg,
            rgba(3, 18, 8, 0.02) 0%,
            rgba(3, 18, 8, 0.06) 45%,
            rgba(3, 18, 8, 0.82) 100%
        ),
        url("assets/icons/tentang.webp")
        center center / cover no-repeat;
}


/* =========================
   TEKS DI ATAS GAMBAR
========================= */

.visual-card > * {
    position: relative;

    z-index: 2;
}

.visual-label,
.visual-card strong,
.visual-card p {
    text-shadow:
        0 2px 8px rgba(0, 0, 0, 0.90),
        0 1px 3px rgba(0, 0, 0, 0.95);
}

.visual-label {
    color: var(--green-2);

    font-size: 13px;
    font-weight: 800;

    letter-spacing: 2px;
}

.visual-card strong {
    margin-top: 8px;

    font-size: clamp(42px, 5vw, 66px);

    line-height: 1;

    letter-spacing: -3px;
}

.visual-card p {
    margin-top: 12px;

    color: #d0e8d5;
}


/* =========================
   FEATURES
========================= */

.features {
    padding: 100px 0;

    border-top: 1px solid var(--line);
}

.section-heading {
    max-width: 700px;

    margin-bottom: 44px;
}

.section-heading h2 {
    margin-top: 8px;

    font-size: clamp(34px, 5vw, 56px);

    letter-spacing: -2px;
}

.section-heading p {
    margin-top: 14px;
    color: var(--muted);
}

section-heading p a {
    color: var(--green-2);
    font-weight: 700;
    text-decoration: none;
}

.section-heading p a:hover {
    text-decoration: underline;
}

.feature-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 18px;
}

.feature-card {
    position: relative;

    min-height: 280px;

    padding: 30px;

    border-radius: 24px;

    border:
        1px solid var(--line);

    background:
        rgba(255, 255, 255, 0.035);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);

    border-color:
        rgba(108, 255, 140, 0.25);

    background:
        rgba(255, 255, 255, 0.045);
}

.feature-number {
    color: var(--green-2);

    font-size: 13px;

    font-weight: 900;
}

.feature-card h3 {
    margin-top: 54px;

    font-size: 25px;
}

.feature-card p {
    margin-top: 10px;

    color: var(--muted);
}


/* =========================
   CTA
========================= */

.cta {
    padding: 30px 0 100px;
}

.cta-box {
    padding: 46px;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;

    border-radius: 28px;

    background:
        radial-gradient(
            circle at right,
            rgba(108, 255, 140, 0.16),
            transparent 30%
        ),
        #0d2113;

    border:
        1px solid rgba(108, 255, 140, 0.14);
}

.cta-box h2 {
    margin-top: 8px;

    font-size: clamp(30px, 4vw, 48px);

    letter-spacing: -1.5px;
}

.cta-box p {
    max-width: 700px;

    margin-top: 10px;

    color: var(--muted);
}


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

.footer {
    border-top:
        1px solid var(--line);

    padding: 36px 0;
}

.footer-inner {
    display: flex;

    align-items: center;

    gap: 30px;
}

.footer-links {
    display: flex;

    gap: 22px;

    margin-left: auto;
}

.footer-links a,
.footer p {
    color: var(--muted);

    font-size: 13px;
}

.footer-links a:hover {
    color: var(--green-2);
}

.footer p {
    margin-left: 12px;
}


/* =========================
   TABLET
========================= */

@media (max-width: 900px) {

    .menu-toggle {
        display: block;
    }

    .nav-menu,
    .nav-actions {
        display: none;
    }

    .nav-menu.active {
        position: absolute;

        top: 78px;

        left: 20px;
        right: 20px;

        display: flex;

        flex-direction: column;

        align-items: stretch;

        gap: 0;

        padding: 12px;

        border-radius: 18px;

        background: #0a1a0f;

        border:
            1px solid var(--line);

        box-shadow:
            0 20px 50px rgba(0, 0, 0, 0.35);
    }

    .nav-menu.active a {
        padding: 14px 12px;
    }

    .hero {
        min-height: auto;

        padding: 70px 0;
    }

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

        gap: 45px;
    }

    .hero h1 {
        letter-spacing: -2.5px;
    }

    .hero-visual {
        width: 100%;
    }

    .visual-card {
        width: min(100%, 500px);

        min-height: 440px;
    }

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

    .feature-card {
        min-height: auto;
    }

    .feature-card h3 {
        margin-top: 30px;
    }

    .cta-box,
    .footer-inner {
        flex-direction: column;

        align-items: flex-start;
    }

    .footer-links,
    .footer p {
        margin-left: 0;
    }
}


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

@media (max-width: 560px) {

    .container {
        width:
            min(100% - 28px, 1180px);
    }

    .nav {
        min-height: 70px;
    }

    .logo {
        font-size: 24px;
    }

    .nav-menu.active {
        top: 70px;

        left: 14px;
        right: 14px;
    }

    .hero {
        padding:
            54px 0 60px;
    }

    .hero-grid {
        gap: 40px;
    }

    .hero h1 {
        font-size: 48px;

        line-height: 1;
    }

    .hero h1 span {
        font-size: 25px;

        line-height: 1.15;
    }

    .hero-content > p {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }


    /* CARD MOBILE */

    .visual-card {
        width: 100%;

        aspect-ratio: 1 / 1;

        min-height: 0;

        padding: 28px;

        border-radius: 24px;
    }


    /*
       Karena semua gambar yang kita pakai
       berbentuk persegi 1:1,
       card mobile juga dibuat 1:1.
       Jadi gambar tidak dipotong.
    */

    .visual-home,
    .visual-promo,
    .visual-event,
    .visual-tentang {
        width: 100%;

        aspect-ratio: 1 / 1;

        min-height: 0;

        background-size: cover;

        background-position: center center;

        background-repeat: no-repeat;
    }


    /*
       Gradient mobile dibuat sedikit
       lebih gelap di bawah supaya
       tulisan tetap terbaca.
    */

    .visual-home {
        background:
            linear-gradient(
                180deg,
                rgba(3, 18, 8, 0.01) 0%,
                rgba(3, 18, 8, 0.04) 55%,
                rgba(3, 18, 8, 0.82) 100%
            ),
            url("assets/icons/hero.webp")
            center center / cover no-repeat;
    }

    .visual-promo {
        background:
            linear-gradient(
                180deg,
                rgba(3, 18, 8, 0.01) 0%,
                rgba(3, 18, 8, 0.04) 55%,
                rgba(3, 18, 8, 0.82) 100%
            ),
            url("assets/icons/promo.webp")
            center center / cover no-repeat;
    }

    .visual-event {
        background:
            linear-gradient(
                180deg,
                rgba(3, 18, 8, 0.01) 0%,
                rgba(3, 18, 8, 0.04) 55%,
                rgba(3, 18, 8, 0.82) 100%
            ),
            url("assets/icons/event.webp")
            center center / cover no-repeat;
    }

    .visual-tentang {
        background:
            linear-gradient(
                180deg,
                rgba(3, 18, 8, 0.01) 0%,
                rgba(3, 18, 8, 0.04) 55%,
                rgba(3, 18, 8, 0.82) 100%
            ),
            url("assets/icons/tentang.webp")
            center center / cover no-repeat;
    }


    /* TEKS CARD MOBILE */

    .visual-label {
        font-size: 12px;
    }

    .visual-card strong {
        font-size: 42px;

        letter-spacing: -2px;
    }

    .visual-card p {
        font-size: 14px;
    }


    .features {
        padding: 75px 0;
    }

    .section-heading {
        margin-bottom: 34px;
    }

    .cta {
        padding-bottom: 75px;
    }

    .cta-box {
        padding: 30px;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}


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

@media (max-width: 380px) {

    .hero h1 {
        font-size: 42px;
    }

    .hero h1 span {
        font-size: 22px;
    }

    .visual-card {
        padding: 22px;
    }

    .visual-card strong {
        font-size: 36px;
    }

    .visual-label {
        font-size: 11px;
    }

    .visual-card p {
        font-size: 13px;
    }
}