@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@700;900&display=swap');

:root {
    --a: #AEC9E7;
    --b: #EDCCF7;
    --c: #EAE9EF;
    --d: #E3F2EF;
    --e: #E3E7F0;
    --f: #FFFFFF;
    --g: #2D2D2D;
    --h: #F5F5F5;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: var(--f);
    color: var(--g);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 -60px;
    padding: 20px 80px 15px 80px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    border-bottom: 1px solid #ddd;
}

.wrapper {
    padding: 22px 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 50px;
    padding-right: 50px;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 22px;
    letter-spacing: 0.005em;
}

#menu-toggle {
    display: none;
    /* sembunyikan hamburger */
    font-size: 24px;
    cursor: pointer;
}

nav {
    display: flex;
    gap: 40px;
    font-weight: 500;
    font-size: 15px;
}

nav a {
    color: #000000;

}

nav.active {
    display: flex;
    gap: 5px;
    /* misalnya */
}

nav.active a {
    color: #ffffff;
    border-radius: 6px;
    padding: 6px 14px;
    transition: background-color 0.3s ease;
    font-size: 13.5px;
}

nav.active a:hover {
    background-color: var(--g);
}

.btn-signin {
    font-size: 14px;
    font-weight: 500;
    padding: 6px 20px;
    border-radius: 20px;
    border: 1px solid var(--g);
    background: transparent;
    cursor: pointer;
    transition: background-color 0.3s ease;
    white-space: nowrap;
    display: block;
}

.btn-signin:hover {
    background-color: var(--g);
    color: #fff;
}

.mobile-only {
    display: none;
}

/* Main */
main {
    padding-top: 40px;
    padding-bottom: 40px;
}

section {
    margin-bottom: 48px;
}

/* Section 1: About */
.about-section {
    display: flex;
    flex-direction: column;
    gap: 100px;
    padding-top: 30px;
    padding-bottom: 25px;
}

.about-title-vertical {
    display: none;
    font-weight: 700;
    font-size: 1.5rem;
    /* 20px */
    line-height: 1.2;
    letter-spacing: 0.005em;
    color: var(--g);
    max-width: 96px;
}

.about-content {
    flex: 1;
}

.about-content h1 {
    font-weight: 600;
    font-size: 2.5rem;
    /* 30px */
    line-height: 1;
    letter-spacing: -0.0125em;
    margin-bottom: 24px;
}

.about-content p {
    max-width: 100%;
    /* agar maksimal lebar mengikuti container induk */
    width: 100%;
    /* pastikan lebarnya 100% container induk */
    font-size: 1.01rem;
    line-height: 1.6;
    margin-bottom: 24px;
    letter-spacing: -0.0125em;
    color: var(--g);
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* IMAGE SLIDER */
.image-slider {
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-top: 40px;
}

.image-slider .slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.image-slider .image-slide {
    flex: 0 0 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
    /* tinggi seragam untuk semua foto */
    overflow: hidden;
    /* biar bagian yang kelebihan tersembunyi */
}

.image-slider .image-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* crop otomatis biar selalu pas */
}

/* Tombol prev next sama seperti hero */
.image-slider .prev,
.image-slider .next {
    position: absolute;
    top: 45%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.276);
    border: none;
    font-size: 1.7rem;
    cursor: pointer;
    padding: 10px;
    z-index: 10;
}

.image-slider .prev {
    left: 30px;
}

.image-slider .next {
    right: 30px;
}

/* Section 3: Vision & Mission */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 25px;
    /* border-bottom: 1px solid #ddd; */
}

.card {
    background-color: #f3f4f6;
    border-radius: 12px;
    padding: 24px;
}

.card h3 {
    font-weight: 600;
    font-size: 2.2rem;
    /* 20px */
    margin-bottom: 12px;
    color: var(--g);
}

.card p {
    font-size: 1.01rem;
    line-height: 1.6;
    color: var(--g);
    letter-spacing: -0.0125em;
    margin: 0;
}

/* Timeline 2015 Section */
/* Timeline 2015 Section */
.timeline-container {
    max-width: 1120px;
    margin: 0 auto 0 auto;
    padding: 48px 0px;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
    border-radius: 12px;
}

@media (min-width: 768px) {
    .timeline-container {
        flex-direction: row;
        align-items: flex-start;
    }
}

.timeline-left {
    flex: 1 1 50%;
    display: flex;
    flex-direction: column;
    max-width: 600px;
}

.timeline-left h1 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 3.75rem;
    /* 60px */
    line-height: 1;
    margin: 0 0 1.5rem 0;
    color: var(--g);
}

.divider {
    border-top: 1px solid var(--g);
    width: 100%;
    margin-top: -0.5rem;
    margin-bottom: 2rem;
}

.timeline-left p {
    font-family: 'Poppins', sans-serif;
    font-size: 1.01rem;
    line-height: 1.5rem;
    max-width: 600px;
    margin: 0;
    color: var(--g);
}

.timeline-right {
    flex: 1 1 50%;
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .timeline-right {
        justify-content: flex-end;
    }

    /* .timeline-container {
        padding-left: 50px;
        padding-right: 50px;
      } */
}

.timeline-right img {
    width: 400px;
    height: 400px;
    object-fit: contain;
    display: block;
}

/* Timeline year selector */
.year-selector {
    max-width: 1120px;
    margin: 0 auto 0 auto;
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    font-size: 1.01rem;
}

.year-selector button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    color: var(--g);
    position: relative;
    transition: color 0.3s ease;
}

.year-selector button.active {
    color: #d00;
    font-weight: 700;
}

.year-selector button.active::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #d00;
    border-radius: 2px;
}



/* FOOTER */
footer {
    background-color: var(--f);
    padding: 20px 60px;
    border-top: 1px solid #ddd;
    margin-top: auto;
    /* Memastikan footer selalu di bawah */
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    /* biar responsif di layar kecil */
}

.footer-left {
    display: flex;
    align-items: center;
    padding: 0px 0px 0px 20px;
    /* top right bottom left */
    font-size: 12px;
    color: #333;
}

.footer-logo {
    width: 40px;
    height: 30px;
    padding-right: 10px;
}

.footer-right {
    display: flex;
    align-items: center;
    padding: 0px 20px 0px 0px;
    /* top right bottom left */
    font-size: 12px;
    color: #333;
}

.social-icons a {
    margin-left: 8px;
    color: var(--g);
    text-decoration: none;
}

.social-icons a i {
    font-size: 20px;
}

.header .fa-bars {
    display: none;
    font-size: 21px;
    color: white;
    cursor: pointer;
    margin-right: 10px;
    /* Tambah jarak dari logo */
    order: -1;
    /* Letakkan di sisi kiri */
}

/* Responsive Styles */
@media (max-width: 1024px) {
    nav {
        display: none;
        flex-direction: column;
        gap: 3px;
        background: #111;
        position: absolute;
        top: 20px;
        right: 20px;
        padding: 15px;
        border-radius: 8px;
        z-index: 999;

    }

    nav.active {
        display: flex;
    }

    #menu-toggle {
        display: block;
        /* hamburger muncul */
        cursor: pointer;
    }

    .btn-signin {
        display: none;
        /* tombol sign in bisa disembunyikan */
    }

    .mobile-only {
        display: block;
    }

    header {
        margin: 0 auto;
        padding-left: 40px;
        padding-right: 40px;
        max-width: 100%;
    }

    .wrapper {
        padding-left: 40px;
        padding-right: 40px;
    }

    nav {
        gap: 30px;
        font-size: 14px;
    }


    footer {
        padding: 20px 40px;
        text-align: center;
    }

    .footer-container {
        flex-direction: column;
        gap: 12px;
    }

    .footer-left,
    .footer-right {
        justify-content: center;
        font-size: 12px;
        width: 100%;
    }
}

@media (min-width: 768px) {
    .about-section {
        flex-direction: row;
        align-items: flex-start;
    }

    .about-title-vertical {
        display: block;
        white-space: normal;
    }

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

@media (max-width: 640px) {
    header {
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
        max-width: 100%;
    }

    .wrapper {
        padding-left: 20px;
        padding-right: 20px;
    }

    nav {
        display: none;
        flex-direction: column;
        gap: 10px;
        background: #111;
        position: absolute;
        top: 60px;
        right: 20px;
        padding: 15px;
        border-radius: 8px;
        z-index: 999;
    }

    nav.active {
        display: flex;
    }

    #menu-toggle {
        display: block;
        /* hamburger muncul */
    }

    .btn-signin {
        display: none;
        /* tombol sign in bisa disembunyikan */
    }

    .mobile-only {
        display: block;
    }

    footer {
        padding: 15px 20px;
    }

    .footer-left,
    .footer-right {
        font-size: 11px;
    }

    .social-icons a i {
        font-size: 16px;
    }
}

@media (max-width: 575px) {
    header {
        margin: 0 auto;
        padding: 15px 15px 15px 15px;
        max-width: 100%;
    }

    .wrapper {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    nav {
        display: none;
    }

    .logo {
        font-family: 'Poppins', sans-serif;
        font-weight: 700;
        font-size: 18px;
        letter-spacing: 0.005em;
    }

    .btn-signin {
        display: none;
        /* tombol sign in bisa disembunyikan */
    }

    .mobile-only {
        display: block;
    }

    .header .fa-bars {
        display: block;
        color: var(--g);
    }

    footer {
        padding: 10px 15px;
    }

    .footer-container {
        flex-direction: column;
        gap: 8px;
    }

    .footer-left,
    .footer-right {
        justify-content: center;
        font-size: 10px;
        flex-wrap: wrap;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
        gap: 8px;
    }

    .social-icons a i {
        font-size: 14px;
    }
}

@media (max-width: 992px) {
    .image-slider .image-slide {
        height: 400px;
    }

    .prev,
    .next {
        font-size: 1rem;
        /* kecil sedikit */
        padding: 5px;
        top: 38%;
        /* posisinya tetap enak */
    }
}

/* 📱 HP */
@media (max-width: 600px) {
    .image-slider .image-slide {
        height: 250px;
    }

    .prev,
    .next {
        font-size: 1rem;
        /* lebih kecil */
        padding: 5px;
        top: 35%;
        /* naik sedikit biar tidak nutupin teks */
    }
}