/* =========================================
   SADIAN JULIANSYAH — PORTFOLIO WEBSITE
   Main Stylesheet
========================================= */


/* =========================================
   ROOT / DESIGN SYSTEM
========================================= */

:root {
    --primary: #38bdf8;
    --primary-dark: #0284c7;
    --primary-light: #e0f2fe;

    --background: #ffffff;
    --background-soft: #f8fcff;
    --background-blue: #f0f9ff;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --border: #e2e8f0;

    --white: #ffffff;

    --shadow-sm: 0 6px 20px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 15px 40px rgba(15, 23, 42, 0.09);
    --shadow-blue: 0 15px 35px rgba(56, 189, 248, 0.18);

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;

    --container-width: 1180px;

    --transition: 0.3s ease;
}


/* =========================================
   RESET
========================================= */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    background: var(--background);
    color: var(--text-primary);

    line-height: 1.7;
    overflow-x: hidden;
}

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

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

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}


/* =========================================
   GLOBAL
========================================= */

.container {
    width: min(90%, var(--container-width));
    margin-inline: auto;
}

.section {
    padding: 110px 0;
}

.section-label {
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.85rem;

    text-transform: uppercase;
    letter-spacing: 0.14em;

    margin-bottom: 8px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.15;

    letter-spacing: -0.04em;

    margin-bottom: 45px;
}


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

.header {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    z-index: 1000;

    background: rgba(255, 255, 255, 0.88);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-bottom: 1px solid rgba(226, 232, 240, 0.75);
}

.navbar {
    min-height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 30px;
}

.nav-logo {
    font-size: 1.05rem;
    font-weight: 800;

    letter-spacing: -0.03em;

    white-space: nowrap;
}

.nav-logo::after {
    content: ".";
    color: var(--primary);
}

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

    gap: 28px;
}

.nav-link {
    position: relative;

    color: var(--text-secondary);

    font-size: 0.92rem;
    font-weight: 600;

    transition: color var(--transition);
}

.nav-link::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -8px;

    width: 0;
    height: 2px;

    border-radius: 10px;

    background: var(--primary);

    transition: width var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;

    border: none;
    background: transparent;

    color: var(--text-primary);

    font-size: 1.6rem;
}


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

.hero {
    position: relative;

    min-height: 100vh;

    display: flex;
    align-items: center;

    padding-top: 150px;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 85% 25%,
            rgba(56, 189, 248, 0.17),
            transparent 27%
        ),
        radial-gradient(
            circle at 10% 80%,
            rgba(14, 165, 233, 0.08),
            transparent 25%
        ),
        linear-gradient(
            180deg,
            #ffffff 0%,
            #f8fcff 100%
        );
}

.hero::before {
    content: "";

    position: absolute;

    width: 420px;
    height: 420px;

    right: -180px;
    top: 100px;

    border-radius: 50%;

    background: rgba(56, 189, 248, 0.08);

    filter: blur(5px);

    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;

    display: grid;

    grid-template-columns: 1.35fr 0.65fr;

    align-items: center;

    gap: 80px;
}

.hero-content {
    max-width: 760px;
}

.hero-intro {
    display: inline-flex;

    padding: 7px 14px;

    margin-bottom: 20px;

    border-radius: 999px;

    background: var(--primary-light);
    color: var(--primary-dark);

    font-size: 0.88rem;
    font-weight: 700;
}

.hero-title {
    font-size: clamp(3.3rem, 7vw, 6rem);

    line-height: 0.97;

    letter-spacing: -0.065em;

    margin-bottom: 20px;
}

.hero-role {
    color: var(--primary-dark);

    font-size: clamp(1.15rem, 2vw, 1.55rem);

    line-height: 1.4;

    margin-bottom: 22px;
}

.hero-description {
    max-width: 680px;

    color: var(--text-secondary);

    font-size: 1.05rem;

    margin-bottom: 35px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 14px;
}


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

.btn {
    min-height: 50px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 0 24px;

    border-radius: 999px;

    font-weight: 700;
    font-size: 0.94rem;

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background var(--transition);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    color: var(--white);
    background: var(--primary-dark);

    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    background: #0369a1;
}

.btn-secondary {
    color: var(--text-primary);

    background: rgba(255, 255, 255, 0.9);

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

    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary);
}


/* =========================================
   PROFILE
========================================= */

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-photo-wrapper {
    position: relative;

    width: min(330px, 70vw);
    aspect-ratio: 1;

    padding: 10px;

    border-radius: 50%;

    background: var(--white);

    border: 1px solid rgba(56, 189, 248, 0.4);

    box-shadow: var(--shadow-blue);
}

.profile-photo-wrapper::before {
    content: "";

    position: absolute;

    inset: -18px;

    border-radius: 50%;

    border: 1px solid rgba(56, 189, 248, 0.35);

    pointer-events: none;
}

.profile-photo {
    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: center;

    border-radius: 50%;
}


/* =========================================
   ABOUT
========================================= */

.about {
    background: var(--white);
}

.about-content {
    max-width: 900px;

    display: grid;

    gap: 20px;
}

.about-content p {
    color: var(--text-secondary);

    font-size: 1.03rem;
}

/* =========================================
   EDUCATION
========================================= */

.education {
    background: var(--background-blue);
}

.education-card {
    max-width: 900px;

    display: grid;
    grid-template-columns: 150px 1fr;

    gap: 35px;

    padding: 34px;

    border: 1px solid #bae6fd;

    border-radius: var(--radius-lg);

    background: var(--white);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}

.education-card:hover {
    transform: translateY(-5px);

    border-color: var(--primary);

    box-shadow: var(--shadow-md);
}

.education-year {
    color: var(--primary-dark);

    font-size: 0.9rem;
    font-weight: 800;

    padding-top: 7px;
}

.education-type {
    color: var(--text-muted);

    text-transform: uppercase;

    letter-spacing: 0.1em;

    font-size: 0.72rem;
    font-weight: 800;

    margin-bottom: 7px;
}

.education-content h3 {
    font-size: 1.6rem;

    line-height: 1.2;

    margin-bottom: 5px;
}

.education-major {
    color: var(--primary-dark);

    font-weight: 700;

    margin-bottom: 24px;
}

.education-highlight {
    display: grid;

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

    gap: 12px;

    margin-bottom: 24px;
}

.education-highlight div {
    padding: 16px;

    border-radius: var(--radius-sm);

    background: var(--background-blue);

    border: 1px solid #e0f2fe;
}

.education-highlight span {
    display: block;

    color: var(--text-muted);

    font-size: 0.74rem;

    margin-bottom: 3px;
}

.education-highlight strong {
    color: var(--text-primary);

    font-size: 0.95rem;
}

.education-description {
    color: var(--text-secondary);
}


/* =========================================
   EDUCATION RESPONSIVE
========================================= */

@media (max-width: 760px) {

    .education-card {
        grid-template-columns: 1fr;

        gap: 12px;

        padding: 25px;
    }

    .education-highlight {
        grid-template-columns: 1fr;
    }

}

/* =========================================
   EXPERIENCE
========================================= */

.experience {
    background: var(--background-soft);
}

.timeline {
    position: relative;

    max-width: 980px;

    display: grid;

    gap: 24px;
}

.timeline::before {
    content: "";

    position: absolute;

    top: 0;
    bottom: 0;
    left: 173px;

    width: 1px;

    background: var(--border);
}

.timeline-item {
    display: grid;

    grid-template-columns: 145px 1fr;

    gap: 55px;
}

.timeline-date {
    padding-top: 24px;

    color: var(--text-muted);

    font-size: 0.84rem;
    font-weight: 700;

    text-align: right;
}

.timeline-content {
    position: relative;

    padding: 24px 28px;

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

    border-radius: var(--radius-md);

    background: var(--white);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.timeline-content::before {
    content: "";

    position: absolute;

    width: 13px;
    height: 13px;

    left: -34px;
    top: 30px;

    border-radius: 50%;

    background: var(--primary);

    border: 4px solid var(--background-soft);

    box-shadow: 0 0 0 1px var(--primary);
}

.timeline-content:hover {
    transform: translateY(-4px);

    border-color: rgba(56, 189, 248, 0.65);

    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    font-size: 1.3rem;

    margin-bottom: 3px;
}

.timeline-company {
    color: var(--primary-dark);

    font-size: 0.9rem;
    font-weight: 700;

    margin-bottom: 14px;
}

.timeline-content > p:not(.timeline-company) {
    color: var(--text-secondary);

    margin-bottom: 12px;
}


/* =========================================
   TEXT LINK
========================================= */

.text-link {
    display: inline-flex;
    align-items: center;

    border: none;
    padding: 0;

    background: transparent;

    color: var(--primary-dark);

    font-size: 0.92rem;
    font-weight: 750;

    transition:
        color var(--transition),
        transform var(--transition);
}

.text-link::after {
    content: "→";

    margin-left: 7px;

    transition: transform var(--transition);
}

.text-link:hover {
    color: #075985;
}

.text-link:hover::after {
    transform: translateX(5px);
}


/* =========================================
   SKILLS
========================================= */

.skills {
    background: var(--white);
}

.skills-grid {
    display: grid;

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

    gap: 22px;
}

.skill-card {
    padding: 28px;

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

    border-radius: var(--radius-md);

    background: var(--white);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);

    border-color: rgba(56, 189, 248, 0.6);

    box-shadow: var(--shadow-md);
}

.skill-card h3 {
    font-size: 1.25rem;

    margin-bottom: 20px;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;

    gap: 10px;
}

.skill-list span {
    padding: 7px 12px;

    border-radius: 999px;

    background: var(--background-blue);

    color: var(--primary-dark);

    border: 1px solid #bae6fd;

    font-size: 0.82rem;
    font-weight: 650;
}

.skill-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.skill-icon {
    width: 42px;
    height: 42px;

    flex-shrink: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius: 12px;

    background: var(--primary-light);
    color: var(--primary-dark);

    font-size: 1rem;

    transition:
        background var(--transition),
        color var(--transition),
        transform var(--transition);
}

.skill-card:hover .skill-icon {
    background: var(--primary-dark);
    color: var(--white);

    transform: rotate(-4deg) scale(1.05);
}

/* =========================================
   LANGUAGE SKILLS
========================================= */

.skill-card-wide {
    grid-column: 1 / -1;
}

.language-list {
    display: grid;
    gap: 12px;
}

.language-item {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 16px 18px;

    border: 1px solid var(--border);
    border-radius: var(--radius-sm);

    background: var(--background-soft);
}

.language-item > div {
    display: flex;
    flex-direction: column;
}

.language-item strong {
    font-size: 0.95rem;
}

.language-item > div span {
    color: var(--text-muted);

    font-size: 0.8rem;
}

.language-level {
    flex-shrink: 0;

    padding: 7px 12px;

    border-radius: 999px;

    background: var(--primary-light);
    color: var(--primary-dark);

    font-size: 0.78rem;
    font-weight: 750;
}


/* =========================================
   PORTFOLIO
========================================= */

.portfolio {
    background:
        linear-gradient(
            180deg,
            var(--background-soft),
            var(--background-blue)
        );
}

.portfolio-grid {
    display: grid;

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

    gap: 22px;
}

.portfolio-card {
    overflow: hidden;

    display: flex;
    flex-direction: column;

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

    border-radius: var(--radius-md);

    background: rgba(255, 255, 255, 0.95);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-7px);

    border-color: rgba(56, 189, 248, 0.65);

    box-shadow: var(--shadow-md);
}


/* IMAGE */

.portfolio-image {
    position: relative;

    width: 100%;
    aspect-ratio: 16 / 9;

    overflow: hidden;

    background: var(--background-blue);

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

.portfolio-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.04);
}


/* DOCUMENT PORTRAIT IMAGE */

.portfolio-image-document {
    padding: 18px;

    background:
        linear-gradient(
            145deg,
            #f8fafc,
            #e0f2fe
        );
}

.portfolio-image-document img {
    object-fit: contain;
}

.portfolio-card:hover
.portfolio-image-document img {
    transform: scale(1.025);
}


/* CONTENT */

.portfolio-card-content {
    flex: 1;

    display: flex;
    flex-direction: column;

    padding: 26px 28px 28px;
}

.portfolio-category {
    color: var(--primary-dark);

    text-transform: uppercase;

    letter-spacing: 0.1em;

    font-size: 0.72rem;
    font-weight: 800;

    margin-bottom: 12px;
}

.portfolio-card h3 {
    font-size: 1.4rem;

    line-height: 1.25;

    margin-bottom: 13px;
}

.portfolio-card-content
> p:not(.portfolio-category) {
    color: var(--text-secondary);

    margin-bottom: 24px;
}

.portfolio-card .text-link {
    margin-top: auto;
}

/* =========================================
   DOCUMENT PORTFOLIO
========================================= */

.documents {
    background: var(--white);
}

.documents-description {
    max-width: 760px;

    color: var(--text-secondary);

    margin-top: -25px;
    margin-bottom: 32px;
}

.document-filters {
    display: inline-flex;

    gap: 6px;

    padding: 5px;

    margin-bottom: 35px;

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

    border-radius: 999px;

    background: var(--background-soft);
}

.document-filter {
    border: none;

    padding: 10px 20px;

    border-radius: 999px;

    background: transparent;

    color: var(--text-secondary);

    font-size: 0.88rem;
    font-weight: 700;

    transition:
        background var(--transition),
        color var(--transition),
        box-shadow var(--transition);
}

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

.document-filter.active {
    background: var(--white);

    color: var(--primary-dark);

    box-shadow: var(--shadow-sm);
}

.documents-grid {
    display: grid;

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

    gap: 20px;
}

.document-card {
    position: relative;

    min-height: 300px;

    display: flex;
    flex-direction: column;

    padding: 28px;

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

    border-radius: var(--radius-md);

    background: var(--white);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.document-card:hover {
    transform: translateY(-5px);

    border-color: rgba(56, 189, 248, 0.65);

    box-shadow: var(--shadow-md);
}

.document-number {
    position: absolute;

    top: 22px;
    right: 22px;

    color: #bae6fd;

    font-size: 2.5rem;
    font-weight: 800;

    line-height: 1;
}

.document-type {
    color: var(--primary-dark);

    font-size: 0.72rem;
    font-weight: 800;

    letter-spacing: 0.1em;

    text-transform: uppercase;

    margin-bottom: 14px;
}

.document-card h3 {
    max-width: 80%;

    font-size: 1.3rem;

    line-height: 1.3;

    margin-bottom: 14px;
}

.document-card > p:not(.document-type) {
    color: var(--text-secondary);

    font-size: 0.92rem;

    margin-bottom: 25px;
}

.document-download {
    display: inline-flex;
    align-items: center;

    width: fit-content;

    margin-top: auto;

    color: var(--primary-dark);

    font-size: 0.88rem;
    font-weight: 750;
}

.document-download::after {
    content: "↓";

    margin-left: 7px;

    transition: transform var(--transition);
}

.document-download:hover::after {
    transform: translateY(4px);
}

.document-hidden {
    display: none;
}


/* =========================================
   DOCUMENT RESPONSIVE
========================================= */

@media (max-width: 980px) {

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

}

@media (max-width: 620px) {

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

    .document-filters {
        display: flex;

        width: 100%;
    }

    .document-filter {
        flex: 1;
    }

}

/* =========================================
   CV DOWNLOAD
========================================= */

.cv {
    background: var(--background-soft);
}

.cv-description {
    max-width: 720px;

    color: var(--text-secondary);

    margin-top: -25px;
    margin-bottom: 35px;
}

.cv-grid {
    display: grid;

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

    gap: 22px;
}

.cv-card {
    display: flex;
    flex-direction: column;

    padding: 30px;

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

    border-radius: var(--radius-md);

    background: var(--white);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.cv-card:hover {
    transform: translateY(-6px);

    border-color: rgba(56, 189, 248, 0.65);

    box-shadow: var(--shadow-md);
}

.cv-icon {
    width: 48px;
    height: 48px;

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

    margin-bottom: 20px;

    border-radius: 14px;

    background: var(--primary-light);
    color: var(--primary-dark);

    font-size: 1.2rem;
}

.cv-card h3 {
    font-size: 1.35rem;

    margin-bottom: 12px;
}

.cv-card > p {
    color: var(--text-secondary);

    margin-bottom: 20px;
}

.cv-tags {
    display: flex;
    flex-wrap: wrap;

    gap: 8px;

    margin-bottom: 25px;
}

.cv-tags span {
    padding: 6px 10px;

    border-radius: 999px;

    background: var(--background-blue);

    color: var(--primary-dark);

    border: 1px solid #bae6fd;

    font-size: 0.75rem;
    font-weight: 650;
}

.cv-download {
    gap: 8px;

    width: fit-content;

    margin-top: auto;
}


/* =========================================
   CV RESPONSIVE
========================================= */

@media (max-width: 980px) {

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

}

/* =========================================
   CERTIFICATES
========================================= */

.certificates {
    background: var(--white);
}

.certificate-grid {
    display: grid;

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

    gap: 18px;
}

.certificate-card {
    position: relative;

    padding: 25px 90px 25px 25px;

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

    border-radius: var(--radius-md);

    transition:
        border-color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
}

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

    border-color: rgba(56, 189, 248, 0.65);

    box-shadow: var(--shadow-sm);
}

.certificate-card h3 {
    font-size: 1.08rem;

    margin-bottom: 5px;
}

.certificate-card p {
    color: var(--text-secondary);

    font-size: 0.9rem;
}

.certificate-year {
    position: absolute;

    right: 20px;
    top: 24px;

    padding: 5px 9px;

    border-radius: 999px;

    background: var(--primary-light);

    color: var(--primary-dark);

    font-size: 0.74rem;
    font-weight: 800;
}


/* =========================================
   CONTACT
========================================= */

.contact {
    background:
        linear-gradient(
            145deg,
            #082f49,
            #0c4a6e
        );

    color: var(--white);
}

.contact .section-label {
    color: #7dd3fc;
}

.contact .section-title {
    color: var(--white);

    margin-bottom: 20px;
}

.contact-description {
    max-width: 680px;

    color: #cbd5e1;

    margin-bottom: 40px;
}

.contact-links {
    display: grid;

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

    gap: 16px;
}

.contact-card {
    min-height: 105px;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 20px 24px;

    border: 1px solid rgba(255, 255, 255, 0.15);

    border-radius: var(--radius-md);

    background: rgba(255, 255, 255, 0.07);

    transition:
        transform var(--transition),
        background var(--transition),
        border-color var(--transition);
}

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

    background: rgba(255, 255, 255, 0.12);

    border-color: rgba(125, 211, 252, 0.55);
}

.contact-card span {
    color: #7dd3fc;

    font-size: 0.78rem;
    font-weight: 700;

    margin-bottom: 4px;
}

.contact-card strong {
    font-size: 0.96rem;

    word-break: break-word;
}

.contact-icon {
    color: #7dd3fc;

    font-size: 1.45rem;

    margin-bottom: 12px;

    transition:
        transform var(--transition),
        color var(--transition);
}

.contact-card:hover .contact-icon {
    transform: translateY(-3px) scale(1.08);

    color: var(--white);
}


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

.footer {
    padding: 28px 0;

    background: #020617;

    color: #94a3b8;

    text-align: center;

    font-size: 0.84rem;
}


/* =========================================
   SELECTION
========================================= */

::selection {
    background: var(--primary);
    color: var(--white);
}


/* =========================================
   RESPONSIVE — TABLET
========================================= */

@media (max-width: 980px) {

    .section {
        padding: 90px 0;
    }

    .nav-menu {
        gap: 18px;
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .hero-container {
        grid-template-columns: 1fr 0.55fr;

        gap: 40px;
    }

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

}


/* =========================================
   RESPONSIVE — MOBILE
========================================= */

@media (max-width: 760px) {

    .section {
        padding: 75px 0;
    }

    .navbar {
        min-height: 68px;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .language-item {
    align-items: flex-start;
    flex-direction: column;

    gap: 10px;
}

.language-level {
    align-self: flex-start;
}


    /* HERO */

    .hero {
        min-height: auto;

        padding-top: 125px;
        padding-bottom: 80px;
    }

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

        text-align: center;

        gap: 55px;
    }

    .hero-content {
        margin-inline: auto;
    }

    .hero-description {
        margin-inline: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .profile-photo-wrapper {
    width: min(230px, 62vw);
}


    /* EXPERIENCE */

    .timeline {
        gap: 22px;
    }

    .timeline::before {
        left: 7px;
    }

    .timeline-item {
        display: block;

        padding-left: 32px;
    }

    .timeline-date {
        text-align: left;

        padding-top: 0;

        margin-bottom: 8px;
    }

    .timeline-content::before {
        left: -32px;
        top: 26px;
    }


    /* SKILLS */

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


    /* PORTFOLIO */

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


    /* CERTIFICATES */

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


    /* CONTACT */

    .contact-links {
        grid-template-columns: 1fr;
    }

}


/* =========================================
   RESPONSIVE — SMALL MOBILE
========================================= */

@media (max-width: 480px) {

    .container {
        width: min(92%, var(--container-width));
    }

    .section-title {
        margin-bottom: 32px;
    }

    .hero-title {
        font-size: clamp(2.8rem, 15vw, 4rem);
    }

    .hero-role {
        font-size: 1.05rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

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

    .btn {
        width: 100%;
    }

    .timeline-content,
.skill-card {
    padding: 22px;
}

.portfolio-card-content {
    padding: 22px;
}

    .certificate-card {
        padding: 22px;
    }

    .certificate-year {
        position: static;

        display: inline-block;

        margin-bottom: 12px;
    }

}

/* =========================================
   JAVASCRIPT INTERACTION STATES
========================================= */

.header-scrolled {
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

.nav-link-active {
    color: var(--primary-dark);
}

.nav-link-active::after {
    width: 100%;
}


/* =========================================
   MOBILE NAVIGATION ACTIVE
========================================= */

@media (max-width: 760px) {

    .nav-menu {
        position: absolute;

        top: 68px;
        left: 5%;
        right: 5%;

        display: flex;
        flex-direction: column;
        align-items: stretch;

        gap: 0;

        padding: 12px;

        background: rgba(255, 255, 255, 0.97);

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

        border-radius: var(--radius-md);

        box-shadow: var(--shadow-md);

        opacity: 0;
        visibility: hidden;

        transform: translateY(-12px);

        pointer-events: none;

        transition:
            opacity var(--transition),
            visibility var(--transition),
            transform var(--transition);
    }

    .nav-menu-active {
        opacity: 1;
        visibility: visible;

        transform: translateY(0);

        pointer-events: auto;
    }

    .nav-link {
        width: 100%;

        padding: 13px 14px;

        border-radius: 10px;
    }

    .nav-link:hover,
    .nav-link-active {
        background: var(--background-blue);
    }

    .nav-link::after {
        display: none;
    }

}

/* =========================================
   CERTIFICATE VIEWER - FINAL
========================================= */

.certificate-card {
    width: 100%;
    text-align: left;

    font-family: inherit;
    color: inherit;

    background: var(--white);

    cursor: pointer;
    appearance: none;
}

.certificate-action {
    display: inline-block;

    margin-top: 16px;

    color: var(--primary-dark);

    font-size: 0.82rem;
    font-weight: 750;
}


/* MODAL */

.certificate-modal {
    position: fixed;

    inset: 0;

    z-index: 5000;

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

    padding: 25px;

    opacity: 0;
    visibility: hidden;

    pointer-events: none;

    transition:
        opacity var(--transition),
        visibility var(--transition);
}

.certificate-modal.active {
    opacity: 1;
    visibility: visible;

    pointer-events: auto;
}

.certificate-modal-backdrop {
    position: absolute;

    inset: 0;

    background: rgba(2, 6, 23, 0.82);

    backdrop-filter: blur(7px);
    -webkit-backdrop-filter: blur(7px);
}

.certificate-modal-content {
    position: relative;

    z-index: 2;

    width: min(100%, 1050px);
    max-height: 90vh;

    overflow: hidden;

    border-radius: var(--radius-md);

    background: var(--white);

    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.certificate-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 18px 22px;

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

.certificate-modal-header h3 {
    margin: 0;

    font-size: 1rem;

    color: var(--text-primary);
}

.certificate-modal-close {
    width: 38px;
    height: 38px;

    flex-shrink: 0;

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

    border: none;

    border-radius: 50%;

    background: var(--background-blue);

    color: var(--text-primary);

    font-size: 1rem;
    font-weight: 700;

    cursor: pointer;
}

.certificate-modal-image-container {
    max-height: calc(90vh - 75px);

    overflow: auto;

    padding: 20px;

    background: #f1f5f9;
}

.certificate-modal-image-container img {
    display: block;

    width: auto;
    max-width: 100%;
    height: auto;

    margin-inline: auto;

    border-radius: 8px;
}

body.modal-open {
    overflow: hidden;
}


/* MOBILE */

@media (max-width: 620px) {

    .certificate-modal {
        padding: 12px;
    }

    .certificate-modal-header {
        padding: 14px 16px;
    }

    .certificate-modal-image-container {
        padding: 10px;
    }

}