@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* === 1. VARIABEL & PENGATURAN DASAR === */
:root {
    --bg-color: #fdfdfd;
    --text-color: #333;
    --main-color: #00b894; /* WARNA HIJAU */
    --white-color: #fdfdfd;
    --shadow-color: rgba(0, 0, 0, 0.1);
}
*::selection { background: var(--main-color); color: var(--bg-color); }

.dark-mode {
    --bg-color: #0b061f;
    --text-color: #fdfdfd;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --bs-body-bg: var(--bg-color);
    --bs-body-color: var(--text-color);
    --bs-border-color: rgba(255, 255, 255, 0.1);
}
html { font-size: 62.5%; overflow-x: hidden; }

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    transition: background 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
section {
    min-height: 100vh;
    padding: 10rem 0 2rem; 
}
section.home { padding-top: 10rem; }
.page-content {
    padding-top: 12rem;
    padding-bottom: 2rem;
    min-height: 90vh;
}
.heading { font-size: 4.5rem; text-align: center; margin-bottom: 3rem; }
.heading span { color: var(--main-color); }

/* === 2. NAVBAR CUSTOM (GLASSMORPHISM) === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: all 0.4s ease;
    padding: 1rem 0; 
}
.header.sticky {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px var(--shadow-color);
}
.dark-mode .header.sticky {
    background: rgba(11, 6, 31, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.navbar-brand.logo {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 600;
    cursor: default;
}
.dark-mode .navbar-brand.logo { color: var(--white-color); }
.navbar-nav .nav-link {
    font-size: 1.7rem;
    color: var(--text-color);
    margin: 0 1rem;
    transition: color 0.3s ease;
}
.dark-mode .navbar-nav .nav-link { color: var(--white-color); }
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--main-color) !important;
    font-weight: 600;
}
#darkMode-icon {
    font-size: 2.4rem;
    color: var(--text-color);
    cursor: pointer;
    margin: 0 1.5rem;
}
.dark-mode #darkMode-icon { color: var(--white-color); }
.navbar-toggler { font-size: 2rem; border: none; color: var(--text-color); }
.navbar-toggler:focus { box-shadow: none; }
.dark-mode .navbar-toggler { color: var(--white-color); border-color: rgba(255,255,255,0.1); }
.dark-mode .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.navbar-collapse {
    background: var(--bg-color);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
}
@media (min-width: 992px) {
    .navbar-collapse { background: transparent; padding: 0; }
}

/* === 3. BUTTON CUSTOM & SOSMED === */
.btn.btn-primary-custom {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    background: var(--main-color);
    border-radius: .6rem;
    box-shadow: 0 .2rem .5rem var(--shadow-color);
    font-size: 1.6rem;
    color: var(--white-color);
    letter-spacing: .1rem;
    font-weight: 600;
    border: .2rem solid transparent;
    transition: all .3s ease;
}
.btn.btn-primary-custom:hover {
    background: transparent;
    color: var(--main-color);
    border-color: var(--main-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px var(--shadow-color);
}
.btn.btn-detail {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 2px solid var(--main-color);
    border-radius: .6rem;
    font-size: 1.6rem;
    color: var(--main-color);
    font-weight: 500;
    transition: all .3s ease;
}
.btn.btn-detail:hover {
    background: var(--main-color);
    color: var(--white-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 10px var(--shadow-color);
}
.btn-detail i { vertical-align: middle; margin-left: 5px; }
.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    box-shadow: 0 .2rem .5rem var(--shadow-color);
    font-size: 2rem;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: .3s ease;
}
.social-media a:hover {
    background: var(--main-color);
    color: var(--white-color);
    transform: translateY(-5px);
}

/* === 4. HOME (Foto + Circle Ungu) === */
.home-content h3 { font-size: 3.2rem; font-weight: 700; }
.home-content h3:nth-of-type(2) { margin-bottom: 2rem; }
.home-content h1 { font-size: 5.6rem; font-weight: 700; line-height: 1.3; }
.home-content p { font-size: 1.6rem; line-height: 1.6; }
.home-content span { color: var(--main-color); }
.home-img-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}
.home-img { position: relative; z-index: 3; }
.home-img img {
    width: 100%; 
    max-width: 350px; 
    border-radius: 20px; 
    box-shadow: 0 1rem 3rem var(--shadow-color);
    animation: floatImage 4s ease-in-out infinite;
}
@keyframes floatImage {
    0% { transform: translateY(0); }
    50% { transform: translateY(-2rem); }
    100% { transform: translateY(0); }
}
.home-img-container::before {
    content: '';
    position: absolute;
    width: 380px;  
    height: 380px; 
    background: var(--main-color);
    border-radius: 50%;
    z-index: 1; 
    opacity: 0.8;
    animation: breathe 5s ease-in-out infinite;
}
@keyframes breathe {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 0.6; }
}
@media (max-width: 991px) {
    .home { padding-top: 15rem; }
    .home-img-container { margin-top: 5rem; }
    .home-img img { width: 60vw; max-width: 280px; }
    .home-img-container::before { width: 320px; height: 320px; }
}
@media (max-width: 768px) {
     .home-img img { width: 70vw; }
}

/* === 5. CSS BUAT SECTION LAIN (RANGKUMAN & DETAIL) === */
.content-card {
    background: var(--bg-color);
    border-radius: 2rem;
    box-shadow: 0 .1rem .5rem var(--shadow-color);
    border: none;
    border-top: .6rem solid var(--main-color);
    border-bottom: .6rem solid var(--main-color);
    transition: all .3s ease;
    padding: 3rem;
}
.dark-mode .content-card { background: var(--bg-color); }
.content-card:hover {
    box-shadow: 0 .6rem 1rem var(--shadow-color);
    transform: translateY(-1rem);
}
.content-card h3 {
    font-size: 2.6rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--main-color);
}
.content-card p, .content-card li { font-size: 1.6rem; line-height: 1.6; }
.content-card i { font-size: 7rem; color: var(--main-color); margin-bottom: 1rem; }
.content-card ul { padding-left: 2rem; }

.project-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 1rem var(--shadow-color);
    overflow: hidden;
    display: flex;
}
.project-box img { width: 100%; transition: .5s ease; }
.project-box:hover img { transform: scale(1.1); }
.project-box .project-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, .1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: .5s ease;
}
.project-box:hover .project-layer { transform: translateY(0); }
.project-layer h4 { font-size: 3rem; color: var(--white-color); }
.project-layer p { font-size: 1.6rem; margin: .3rem 0 1rem; color: var(--white-color); }
.project-layer a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: var(--white-color);
    border-radius: 50%;
}
.project-layer a i { font-size: 2rem; color: #333; }

/* === 6. FOOTER === */
.footer {
    background: var(--main-color);
    margin-top: auto; 
}
.footer-text p { font-size: 1.6rem; color: var(--white-color); margin: 0; }
.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: var(--white-color);
    border-radius: .6rem;
    border: .2rem solid var(--white-color);
    outline: .2rem solid transparent;
    transition: .3s ease;
}
.footer-iconTop a:hover { outline-color: var(--white-color); }
.footer-iconTop a i { font-size: 2.4rem; color: #333; }