/*==================== GOOGLE FONTS ====================*/
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

/*==================== VARIABLES CSS ====================*/
:root {
    --header-height: 3.5rem;

    /*========== Primary Color: #9CD5FF (Light Sky Blue) ==========*/
    --primary:         #9CD5FF;
    --primary-dark:    #5AABEC;
    --primary-darker:  #2A84CA;
    --primary-light:   #D6EDFF;
    --primary-lighter: #EBF6FF;
    --accent:          #5AABEC;

    /* Gradient using primary palette */
    --gradient-1: linear-gradient(135deg, #5AABEC 0%, #9CD5FF 100%);
    --gradient-2: linear-gradient(135deg, #2A84CA 0%, #5AABEC 100%);
    --gradient-hero: linear-gradient(135deg, #2A84CA 0%, #9CD5FF 100%);

    /* Text & backgrounds — light mode */
    --title-color:      #0D2137;
    --text-color:       #3A5472;
    --text-color-light: #7A9BBB;
    --input-color:      #EBF6FF;
    --body-color:       #F4FAFF;
    --container-color:  #FFFFFF;
    --border-color:     #C8E7FF;
    --scroll-bar-color:  #BDD8F0;
    --scroll-thumb-color:#8AC0E8;

    /*========== Font ==========*/
    --body-font: 'Inter', sans-serif;

    --big-font-size:    2.25rem;
    --h1-font-size:     1.5rem;
    --h2-font-size:     1.25rem;
    --h3-font-size:     1.125rem;
    --normal-font-size: .938rem;
    --small-font-size:  .813rem;
    --smaller-font-size:.75rem;

    --font-light:      300;
    --font-regular:    400;
    --font-medium:     500;
    --font-semi-bold:  600;
    --font-bold:       700;
    --font-extra-bold: 800;

    /*========== Spacing ==========*/
    --mb-0-25: .25rem;
    --mb-0-5:  .5rem;
    --mb-0-75: .75rem;
    --mb-1:    1rem;
    --mb-1-5:  1.5rem;
    --mb-2:    2rem;
    --mb-2-5:  2.5rem;
    --mb-3:    3rem;

    /*========== z-index ==========*/
    --z-tooltip: 10;
    --z-fixed:   100;
    --z-modal:   1000;

    /*========== Border radius ==========*/
    --radius-sm: .375rem;
    --radius-md: .75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 2rem;

    /*========== Shadows ==========*/
    --shadow-sm:      0 1px 4px rgba(156, 213, 255, .25);
    --shadow-md:      0 4px 14px rgba(156, 213, 255, .35);
    --shadow-lg:      0 10px 32px rgba(90, 171, 236, .30);
    --shadow-colored: 0 6px 20px rgba(90, 171, 236, .45);
}

/* Larger screens */
@media screen and (min-width: 968px) {
    :root {
        --big-font-size:    3.25rem;
        --h1-font-size:     2.25rem;
        --h2-font-size:     1.5rem;
        --h3-font-size:     1.25rem;
        --normal-font-size: 1rem;
        --small-font-size:  .875rem;
        --smaller-font-size:.813rem;
    }
}

/*========== Dark Theme ==========*/
body.dark-theme {
    --title-color:      #E0F3FF;
    --text-color:       #9CC4E0;
    --text-color-light: #5A88AA;
    --input-color:      #0D1F2D;
    --body-color:       #09151E;
    --container-color:  #0D1F2D;
    --border-color:     #1A3A52;
    --scroll-bar-color:  #1A3A52;
    --scroll-thumb-color:#2A5A7A;
    --shadow-sm:      0 1px 4px rgba(0,0,0,.4);
    --shadow-md:      0 4px 14px rgba(0,0,0,.45);
    --shadow-lg:      0 10px 32px rgba(0,0,0,.55);
}

/*========== Nav Buttons ==========*/
.nav__btns {
    display: flex;
    align-items: center;
    gap: .6rem;
}

.change-theme,
.change-language {
    font-size: 1.2rem;
    color: var(--title-color);
    cursor: pointer;
    padding: .35rem;
    border-radius: var(--radius-sm);
    transition: color .3s, background .3s, transform .4s;
}

.change-theme:hover,
.change-language:hover {
    color: var(--primary-darker);
    background: var(--primary-lighter);
}

/*==================== RESET ====================*/
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0 0 var(--header-height) 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
    line-height: 1.3;
}

ul { list-style: none; }
a  { text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; outline: none; cursor: pointer; font-family: var(--body-font); }

/*==================== REUSABLE ====================*/
.section {
    padding: 6rem 0 3rem;
}

.section__title {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-1);
    text-align: center;
}

.section__title {
    position: relative;
    width: max-content;
    margin: 0 auto var(--mb-1);
}

.section__title::after {
    content: '';
    display: block;
    width: 55%;
    height: 3px;
    background: var(--gradient-1);
    border-radius: 2px;
    margin: .4rem auto 0;
}

.section__subtitle {
    display: block;
    font-size: var(--small-font-size);
    color: var(--primary-darker);
    font-weight: var(--font-semi-bold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--mb-3);
    text-align: center;
}

.section__title,
.section__subtitle {
    text-align: center;
}

/*==================== LAYOUT ====================*/
.container {
    width: 100%;
    max-width: 1024px; /* Sedikit lebih lebar tapi tetap proposional */
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem; /* Tambah jarak kiri agar tidak mepet */
    padding-right: 2rem; /* Tambah jarak kanan agar tidak mepet */
}

.grid {
    display: grid;
    gap: 1.5rem;
}

/*==================== HEADER ====================*/
.header {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: var(--container-color);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 12px rgba(156,213,255,.2);
}

/*==================== NAV ====================*/
.nav {
    max-width: 960px;
    height: var(--header-height);
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-weight: var(--font-bold);
    font-size: 1.05rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -.3px;
}

.nav__toggle {
    color: var(--title-color);
    font-size: 1.15rem;
    cursor: pointer;
    transition: color .3s;
}

.nav__toggle:hover { color: var(--primary-darker); }

@media screen and (max-width: 767px) {
    .nav__menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--container-color);
        padding: 1.75rem 1.5rem 4rem;
        box-shadow: 0 -4px 24px rgba(156,213,255,.25);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: bottom .4s cubic-bezier(.4,0,.2,1);
        border-top: 1px solid var(--border-color);
    }
}

.nav__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .2rem;
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    font-weight: var(--font-medium);
    transition: color .3s;
}

.nav__link:hover { color: var(--primary-darker); }

.nav__icon { font-size: 1.2rem; }

.nav__close {
    position: absolute;
    right: 1.25rem;
    bottom: .5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-darker);
    transition: color .3s;
}

.nav__close:hover { color: var(--primary-dark); }

.show-menu { bottom: 0; }

.active-link { color: var(--primary-darker) !important; }

.scroll-header { box-shadow: 0 -2px 10px rgba(156,213,255,.2); }

/*==================== HOME ====================*/
.home__container { gap: 1rem; }

.home__content {
    grid-template-columns: .5fr 3fr;
    padding-top: 3.5rem;
    align-items: center;
}

/* Mobile: shrink social column on very small screens */
@media screen and (max-width: 400px) {
    .home__content {
        grid-template-columns: .3fr 3fr;
        padding-top: 2.5rem;
    }
}

.home__social {
    display: grid;
    grid-template-columns: max-content;
    row-gap: 1rem;
}

.home__social-icon {
    font-size: 1.2rem;
    color: var(--primary-darker);
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--border-color);
    transition: background .3s, color .3s, transform .3s, box-shadow .3s;
}

.home__social-icon:hover {
    background: var(--primary-darker);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-colored);
}

.home__blob {
    width: 210px;
    fill: var(--primary);
    filter: drop-shadow(0 8px 20px rgba(156,213,255,.6));
}

.home__blob-img { width: 175px; }

.home__data { grid-column: 1/3; }

.home__greeting {
    display: block;
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--primary-darker);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: var(--mb-0-5);
}

.home__title {
    font-size: var(--big-font-size);
    font-weight: var(--font-extra-bold);
    color: var(--title-color);
    line-height: 1.1;
    margin-bottom: var(--mb-0-5);
}

/* Highlight name with primary */
.home__title span {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-theme .home__title {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.home__subtitle {
    font-size: var(--h3-font-size);
    color: var(--primary-darker);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-75);
}

.home__description {
    margin-bottom: var(--mb-2);
    color: var(--text-color);
    max-width: 500px;
}

.home__btns {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

/* Mobile: stack buttons vertically on very small screens */
@media screen and (max-width: 400px) {
    .home__btns {
        flex-direction: column;
        align-items: flex-start;
    }
    .home__btns .button {
        width: 100%;
        justify-content: center;
    }
}

.home__scroll { display: none; }

.home__scroll-button {
    color: var(--primary-darker);
    transition: transform .3s;
}

.home__scroll-button:hover { transform: translateY(.3rem); }

.home__scroll-mouse { font-size: 2rem; }

.home__scroll-name {
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    margin-right: var(--mb-0-25);
}

.home__scroll-arrow { font-size: 1.25rem; }

/*==================== BUTTONS ====================*/
.button {
    display: inline-block;
    background: var(--gradient-2);
    color: #fff;
    padding: .825rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-semi-bold);
    font-size: var(--normal-font-size);
    transition: transform .3s, box-shadow .3s;
    box-shadow: var(--shadow-colored);
    position: relative;
    overflow: hidden;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(90,171,236,.5);
}

.button:active { transform: translateY(0); }

.button__icon {
    font-size: 1.2rem;
    margin-left: .5rem;
    transition: transform .3s;
}

.button--flex { display: inline-flex; align-items: center; }

.button--small {
    padding: .6rem 1rem;
    font-size: var(--small-font-size);
}

.button--link {
    padding: 0;
    background: transparent;
    background-image: none;
    color: var(--primary-darker);
    box-shadow: none;
}

.button--link:hover {
    background: transparent;
    background-image: none;
    color: var(--primary-dark);
    transform: none;
    box-shadow: none;
}

.button--link:hover .button__icon { transform: translateX(.3rem); }

.button--outline {
    background: transparent;
    background-image: none;
    color: var(--primary-darker);
    border: 2px solid var(--primary);
    box-shadow: none;
}

.button--outline:hover {
    background: var(--primary);
    background-image: none;
    color: #fff;
    box-shadow: var(--shadow-md);
}

.button--white {
    background: #fff;
    background-image: none;
    color: var(--primary-darker);
    box-shadow: var(--shadow-md);
}

.button--white:hover {
    background: var(--primary-lighter);
    background-image: none;
    box-shadow: var(--shadow-lg);
}

/*==================== ABOUT ====================*/
.about__img {
    width: 100%;
    max-width: 280px;
    border-radius: var(--radius-lg);
    justify-self: center;
    align-self: center;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--primary);
    transition: transform .4s;
}

.about__img:hover { transform: scale(1.02); }

.about__description {
    text-align: center;
    margin-bottom: var(--mb-2-5);
    line-height: 1.8;
    color: var(--text-color);
}

.about__info {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: var(--mb-2-5);
}

.about__info-box {
    text-align: center;
    background: var(--container-color);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem .75rem;
    box-shadow: var(--shadow-sm);
    min-width: 90px;
    transition: transform .3s, box-shadow .3s;
}

.about__info-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-colored);
    border-color: var(--primary);
}

.about__info-title {
    font-size: var(--h2-font-size);
    font-weight: var(--font-extra-bold);
    color: var(--primary-darker);
}

.about__info-name {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
}

.about__info-title,
.about__info-name {
    display: block;
    text-align: center;
}

.about__buttons {
    display: flex;
    justify-content: center;
}

/*==================== SKILLS ====================*/
.skills__container { row-gap: 0; }

.skills__header {
    display: flex;
    align-items: center;
    margin-bottom: var(--mb-1-5);
    cursor: pointer;
    padding: .875rem 1rem;
    border-radius: var(--radius-md);
    background: var(--container-color);
    border: 1.5px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: border-color .3s, box-shadow .3s, background .3s;
}

.skills__header:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    background: var(--primary-lighter);
}

.skills__icon,
.skills__arrow {
    font-size: 1.75rem;
    color: var(--primary-darker);
}

.skills__icon { margin-right: var(--mb-0-75); }

.skills__title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-semi-bold);
}

.skills__subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.skills__arrow {
    margin-left: auto;
    transition: transform .4s cubic-bezier(.4,0,.2,1);
}

.skills__list {
    row-gap: 1.25rem;
    padding: 0 1rem 0 2.5rem;
}

.skills__titles {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--mb-0-5);
}

.skills__name {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
}

.skills__number {
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--primary-darker);
}

.skills__bar,
.skills__percentage {
    height: 6px;
    border-radius: 3px;
}

.skills__bar { background-color: var(--primary-light); }

.skills__percentage {
    display: block;
    background: var(--gradient-2);
    position: relative;
}

.skills__percentage::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-darker);
    border: 2px solid var(--container-color);
    box-shadow: 0 0 6px rgba(90,171,236,.5);
}

.skills__php    { width: 90%; }
.skills__python { width: 85%; }
.skills__html   { width: 85%; }

.skills__close .skills__list {
    height: 0;
    overflow: hidden;
    margin-bottom: 0;
}

.skills__open .skills__list {
    height: max-content;
    margin-bottom: var(--mb-2-5);
}

.skills__open .skills__arrow { transform: rotate(-180deg); }

/*==================== QUALIFICATION ====================*/
.qualification__tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--mb-2);
    background: var(--container-color);
    border: 1.5px solid var(--border-color);
    border-radius: 50px;
    padding: .3rem;
    box-shadow: var(--shadow-sm);
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
}

.qualification__button {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .55rem 1.25rem;
    border-radius: 50px;
    transition: all .3s;
    flex: 1;
}

.qualification__button:hover { color: var(--primary-darker); }

.qualification__button.qualification__active {
    background: var(--gradient-2);
    color: #fff;
    box-shadow: var(--shadow-colored);
}

.qualification__icon { font-size: 1.4rem; }

.qualification__data {
    display: grid;
    grid-template-columns: 1fr max-content 1fr;
    column-gap: 1.5rem;
}

.qualification__title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
}

.qualification__subtitle {
    display: inline-block;
    font-size: var(--small-font-size);
    color: var(--primary-darker);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-75);
}

.qualification__calendar {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    display: flex;
    align-items: center;
    gap: .25rem;
}

.qualification__description {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    margin-top: .25rem;
    line-height: 1.5;
}

.qualification__rounder {
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid var(--primary-darker);
}

.qualification__line {
    display: block;
    width: 2px;
    height: 100%;
    background: var(--primary-light);
    transform: translate(4px, -6px);
}

.qualification__content { display: none; }

.qualification__active[data-content] { display: block; }

/*==================== SERVICES ====================*/
.services__container {
    gap: 2rem; /* Tambah jarak antar kartu layanan */
    grid-template-columns: 1fr;
}

.services__content {
    position: relative;
    background-color: var(--container-color);
    padding: 2.5rem 1.25rem 1.5rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1.5px solid var(--border-color);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    overflow: hidden;
}

.services__content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
}

.services__content:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.services__header-card {
    display: flex;
    align-items: center;
    column-gap: 1rem;
    margin-bottom: var(--mb-1-5);
}

.services__title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-semi-bold);
    margin-bottom: 0; /* Rapihkan margin dengan icon */
}

.services__list-content {
    row-gap: .75rem;
}

.services__content {
    padding: 2rem 1.5rem;
}


.services__button {
    cursor: pointer;
    font-size: var(--small-font-size);
}

.services__button:hover .button__icon { transform: translateX(.3rem); }

/* Menghapus gaya modal yang tidak terpakai */
.services__modal,
.services__modal-close {
    display: none;
}


/*==================== PORTFOLIO ====================*/
.portfolio {
    overflow-x: clip; /* Teknik modern untuk mencegah kebocoran horizontal */
}

.portfolio__container { 
    overflow: hidden; /* Penting: slider harus mengunci konten di mobile */
    position: relative;
}

.portfolio__content { 
    padding: 0 1.5rem 3.5rem; 
    text-align: center;
}

.portfolio__title-icon {
    font-size: 1.25rem;
    color: var(--primary-darker);
    margin-right: .5rem;
    vertical-align: middle;
}

.portfolio__tags {
    margin-bottom: var(--mb-1-5);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .5rem;
}

.portfolio__img {
    width: 100%;
    max-width: 320px;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-md);
    justify-self: center;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: transform .4s;
    margin-bottom: var(--mb-1-5); /* Jarak ke teks di mobile */
}

/* Placeholder styles for slides without real images */
.portfolio__img-placeholder {
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio__img-placeholder i {
    font-size: 5rem;
    color: var(--primary-darker);
}

.award-bg {
    background: linear-gradient(135deg, #fff7e0, #ffe7a0);
}

.award-bg i {
    color: #d4a200;
}

.portfolio__title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    margin-bottom: var(--mb-0-75);
}

.portfolio__description {
    margin-bottom: var(--mb-1-5);
    color: var(--text-color);
    line-height: 1.6;
}

.portfolio__button {
    justify-content: center;
}

@media screen and (max-width: 767px) {
    .portfolio__container {
        overflow: hidden; /* Mencegah pecah di HP */
    }
}

/* Swiper Controls Navigation */
.swiper-button-prev::after,
.swiper-button-next::after { content: ''; }

.swiper-portfolio-icon {
    font-size: 1.75rem;
    color: var(--primary-darker);
    background: var(--container-color);
    padding: .4rem;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .3s, color .3s;
}

.swiper-portfolio-icon:hover {
    background: var(--primary-darker);
    color: #fff;
}

.swiper-button-prev,
.swiper-button-next {
    cursor: pointer;
    z-index: 100;
    top: 30%; /* Dekatkan ke area gambar di mobile */
}

.swiper-button-prev { left: .25rem; }
.swiper-button-next { right: .25rem; }

/* Swiper Pagination */
.swiper-container-horizontal > .swiper-pagination-bullets {
    bottom: 0.5rem;
}

.swiper-pagination-bullet-active {
    background: var(--primary-darker);
}

@media screen and (min-width: 1024px) {
    .swiper-button-prev { left: -3.5rem; }
    .swiper-button-next { right: -3.5rem; }
}

/*==================== TAG BADGES ====================*/
.tag {
    display: inline-block;
    padding: .2rem .65rem;
    background: var(--primary-lighter);
    color: var(--primary-darker);
    font-size: var(--smaller-font-size);
    font-weight: var(--font-semi-bold);
    border-radius: 100px;
    border: 1px solid var(--border-color);
    margin: .2rem .15rem;
}

body.dark-theme .tag {
    background: rgba(156,213,255,.12);
    border-color: rgba(156,213,255,.25);
}

/*==================== CONTACT ====================*/
.contact__container { row-gap: 3rem; }

.contact__information {
    display: flex;
    align-items: flex-start;
    gap: .875rem;
    margin-bottom: var(--mb-1-5);
    padding: 1rem;
    background: var(--container-color);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}

.contact__information:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.contact__icon {
    font-size: 1.5rem;
    color: var(--primary-darker);
    flex-shrink: 0;
    background: var(--primary-lighter);
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--border-color);
}

.contact__title {
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi-bold);
}

.contact__subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.contact__subtitle a {
    color: var(--primary-darker);
    transition: opacity .3s;
}

.contact__subtitle a:hover { opacity: .7; text-decoration: underline; }

.contact__content {
    background-color: var(--input-color);
    border-radius: var(--radius-md);
    padding: .875rem 1.125rem .5rem;
    border: 1.5px solid var(--border-color);
    transition: border-color .3s;
}

.contact__content:focus-within {
    border-color: var(--primary-dark);
}

.contact__label {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    font-weight: var(--font-medium);
}

.contact__input {
    width: 100%;
    background-color: transparent;
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    border: none;
    outline: none;
    padding: .25rem 0 .5rem;
}

/*==================== FOOTER ====================*/
.footer { padding-top: 2rem; }

.footer__container { row-gap: 2.5rem; }

.footer__bg {
    background: var(--gradient-2);
    padding: 2.5rem 1.25rem 3rem;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.footer__title {
    font-size: var(--h1-font-size);
    font-weight: var(--font-bold);
    margin-bottom: var(--mb-0-25);
    word-break: break-word;
}

.footer__subtitle {
    font-size: var(--small-font-size);
    opacity: .85;
    word-break: break-word;
}

.footer__links {
    display: flex;
    flex-direction: column;
    row-gap: 1.25rem;
}

.footer__link {
    opacity: .85;
    transition: opacity .3s;
}

.footer__link:hover { opacity: 1; text-decoration: underline; }

.footer__social {
    font-size: 1.35rem;
    margin-right: var(--mb-1-5);
    opacity: .85;
    transition: opacity .3s, transform .3s;
    display: inline-block;
}

.footer__social:hover { opacity: 1; transform: translateY(-3px); }

.footer__copy {
    font-size: var(--smaller-font-size);
    text-align: center;
    opacity: .7;
    margin-top: var(--mb-3);
}

.footer__title,
.footer__subtitle,
.footer__link,
.footer__social,
.footer__copy { color: #fff; }

/*==================== SCROLL UP ====================*/
.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background: var(--gradient-2);
    opacity: .9;
    padding: .35rem .5rem;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: all .4s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow-colored);
}

.scrollup:hover {
    opacity: 1;
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(90,171,236,.5);
}

.scrollup__icon {
    font-size: 1.5rem;
    color: #fff;
}

.show-scroll { bottom: 5.5rem; }

/*==================== SCROLLBAR ====================*/
::-webkit-scrollbar {
    width: .45rem;
    background-color: var(--scroll-bar-color);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb-color);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

/*==================== FADE-IN ====================*/
.fade-in {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s ease, transform .6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ======================================================
   MEDIA QUERIES
   ====================================================== */

/* ---- Extra small (< 350px) ---- */
@media screen and (max-width: 349px) {
    .container {
        padding-left: .875rem;
        padding-right: .875rem;
    }

    .nav__list { column-gap: 0; }
    
    .portfolio__container {
        overflow: hidden; /* Mencegah geser bocor di layar sangat kecil */
    }

    .home__content { grid-template-columns: .25fr 3fr; }
    .home__blob { width: 150px; }
    .home__blob-img { width: 120px; }
    .home__title { font-size: 2rem; margin-top: 1.5rem; }
    .home__subtitle { font-size: var(--normal-font-size); }

    .section__title { margin-top: 1rem; }
    .section__subtitle { margin-bottom: 3rem; }
    .section { padding: 5rem 0 3rem; }

    .about__info { flex-wrap: wrap; justify-content: center; }
    .about__info-box { min-width: 75px; }

    .skills__title { font-size: var(--normal-font-size); }
    .skills__list { padding: 0 .5rem 0 1.5rem; }

    .qualification__data { gap: .5rem; }

    .services__container { grid-template-columns: 1fr; }
    .services__modal { padding: 0 .5rem; }
    .services__modal-content { padding: 1.5rem 1rem; }

    .portfolio__content { padding: 0 .75rem 3rem; }
    .portfolio__img { height: 180px; } /* Lebih pendek di HP sangat kecil */

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

/* ---- Small (350px – 479px) ---- */
@media screen and (min-width: 350px) and (max-width: 479px) {
    .home__content { grid-template-columns: .35fr 3fr; }
    .home__blob { width: 175px; }
    .home__blob-img { width: 145px; }
}

/* ---- Medium-small (480px – 567px) ---- */
@media screen and (min-width: 480px) and (max-width: 567px) {
    .home__content { grid-template-columns: .4fr 3fr; }
    .home__blob { width: 190px; }
    .services__container { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Medium (568px – 767px) ---- */
@media screen and (min-width: 568px) {
    .home__content {
        grid-template-columns: max-content 1fr 1fr;
    }

    .home__data { grid-column: initial; }

    .home__img {
        order: 1;
        justify-self: center;
    }

    /* Two-column grids */
    .about__container,
    .skills__container,
    .project__container,
    .contact__container,
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Portfolio: Tetap 1 kolom di medium agar teks luas, 2 kolom hanya di desktop ≥ 768px */
    .portfolio__content {
        grid-template-columns: 1fr;
    }

    .qualification__sections {
        display: grid;
        grid-template-columns: .65fr;
        justify-content: center;
    }

    /* Services: 2 columns at 568+ */
    .services__container {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About image larger on medium screens */
    .about__img {
        max-width: 250px;
    }

    /* Portfolio image a bit wider */
    .portfolio__img {
        max-width: 100%;
        width: 100%;
    }
}

/* ---- Tablet / Desktop nav (≥ 768px) ---- */
@media screen and (min-width: 768px) {
    body { margin: 0; }

    .section { padding: 6rem 0 3rem; }

    .section__subtitle { margin-bottom: 4rem; }

    /* Header moves to top */
    .header {
        top: 0;
        bottom: initial;
        border-top: none;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 12px rgba(156,213,255,.15);
    }

    .nav {
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
    }

    /* Hide mobile nav icons */
    .nav__icon,
    .nav__close,
    .nav__toggle { display: none; }

    .nav__menu { margin-left: auto; }

    .nav__list {
        display: flex;
        column-gap: 2rem;
    }

    .nav__link {
        flex-direction: row;
        font-size: var(--normal-font-size);
    }

    /* Scrollup above fold */
    .show-scroll { bottom: 3rem; }

    /* Home */
    .home__container { row-gap: 5rem; }
    .home__content { padding-top: 5.5rem; column-gap: 5rem; } /* Jarak social, img, data */
    .home__blob { width: 270px; }
    .home__scroll { display: block; }
    .home__scroll-button { margin-left: 3rem; }

    /* About */
    .about__container { column-gap: 7rem; } /* Jarak gambar dan teks */
    .about__img { width: 350px; }
    .about__description { text-align: initial; }
    .about__info { justify-content: flex-start; gap: 1.5rem; }
    .about__buttons { justify-content: initial; }

    /* Qualification */
    .qualification__sections {
        grid-template-columns: .5fr;
    }

    /* Services */
    .services__container {
        grid-template-columns: repeat(3, 1fr);
        column-gap: 2rem;
    }
    .services__icon { font-size: 2rem; }
    .services__content { padding: 2.5rem 2rem; }
    .services__header-card { margin-bottom: 2rem; }
    .services__list-content { row-gap: 1rem; }

    /* Portfolio Desktop */
    .portfolio__container {
        overflow: visible; /* Buka kunci agar tombol panah di desktop terlihat di luar */
    }
    .portfolio__img { 
        max-width: 400px; 
        height: 280px; 
        margin-bottom: 0;
    }
    .portfolio__content { 
        grid-template-columns: repeat(2, 1fr);
        align-items: center; 
        text-align: left;
        column-gap: 5rem;
        padding: 0 2rem 4rem; /* Padding lebih proporsional */
    }
    .portfolio__button {
        justify-content: flex-start;
    }
    .portfolio__tags {
        justify-content: flex-start;
    }
    .swiper-button-prev,
    .swiper-button-next { 
        display: flex; 
        top: 50%;
        transform: translateY(-50%);
    }
    .swiper-button-prev { left: -4rem; }
    .swiper-button-next { right: -4rem; }
    /* Project */
    .project { text-align: initial; }
    .project__bg { background: none; }
    .project__container {
        background: var(--gradient-2);
        border-radius: var(--radius-xl);
        padding: 3rem 2.5rem 0;
        grid-template-columns: 1fr max-content;
        column-gap: 3rem;
    }
    .project__data { padding-top: .8rem; }

    /* Contact */
    .contact__container { column-gap: 3rem; }

    /* Footer */
    .footer__container { grid-template-columns: repeat(3, 1fr); }
    .footer__bg { padding: 3rem 0 3.5rem; }
    .footer__links { flex-direction: row; column-gap: 2rem; }
    .footer__socials { justify-self: flex-end; }
    .footer__copy { margin-top: 4.5rem; }
}

/* ---- Large Desktop (≥ 1024px) ---- */
@media screen and (min-width: 1024px) {
    .home__blob { width: 330px; }
    .home__social { transform: translateX(-6rem); }

    /* About */
    .about__img { max-width: 350px; }
    .about__container { column-gap: 5rem; }

    .services__container {
        grid-template-columns: repeat(3, 238px);
        justify-content: center;
    }

    .portfolio__content { column-gap: 5rem; }

    .swiper-portfolio-icon { font-size: 3.5rem; }
    .swiper-button-prev { left: -3.5rem; }
    .swiper-button-next { right: -3.5rem; }
    .swiper-container-horizontal > .swiper-pagination-bullets { bottom: -4.5rem; }

    .contact__container { column-gap: 5rem; }
    .contact__inputs { grid-template-columns: repeat(2, 1fr); }
}

/* ---- XL Desktop (≥ 1200px) ---- */
@media screen and (min-width: 1200px) {
    .container {
        max-width: 1140px;
        padding-left: 3rem;
        padding-right: 3rem;
    }
    .home__blob { width: 330px; }
    .about__img { max-width: 380px; }
    .home__content { column-gap: 8rem; }
}

/*==================== SCROLL REVEAL ANIMATIONS ====================*/
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
                transform 1s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Optional: Different directions */
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: 1s all ease;
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: 1s all ease;
}

.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

@media screen and (prefers-reduced-motion: reduce) {
    .fade-in, .reveal-left, .reveal-right {
        transition: none;
        opacity: 1;
        transform: none;
    }
}