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

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

:root {
    --background: #07111f;
    --background-light: #0b1628;
    --card: #0d1a2d;
    --card-hover: #10213a;
    --border: #1c3555;

    --primary: #3b82f6;
    --primary-light: #60a5fa;

    --text: #f1f5f9;
    --text-light: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

section {
    scroll-margin-top: 85px;
}


/* =====================================================
   NAVBAR
===================================================== */

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;

    background: rgba(7, 17, 31, 0.95);
    backdrop-filter: blur(10px);

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

.navbar {
    max-width: 1250px;
    height: 75px;

    margin: auto;
    padding: 0 25px;

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

.logo {
    font-size: 21px;
    font-weight: 700;
    color: white;
    white-space: nowrap;
}

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

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    font-size: 13px;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--primary-light);
}

.menu-toggle {
    display: none;
    font-size: 23px;
    cursor: pointer;
}


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

.hero {
    min-height: 100vh;
    max-width: 1250px;

    margin: auto;
    padding: 130px 40px 80px;

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

    gap: 80px;
}

.hero-content {
    flex: 1;
}

.small-heading {
    color: var(--primary-light);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.hero h1 {
    font-size: 60px;
    line-height: 1.1;
    margin-bottom: 15px;
    color: white;
}

.hero h1 span {
    color: var(--primary-light);
}

.hero h2 {
    font-size: 25px;
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 22px;
}

.hero-description {
    max-width: 650px;
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    padding: 11px 20px;

    border-radius: 7px;

    font-size: 14px;
    font-weight: 600;

    transition: 0.3s;
}

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

.primary-btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.secondary-btn {
    border: 1px solid #405979;
    color: white;
}

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

.social-links {
    display: flex;
    gap: 18px;
    margin-top: 28px;
}

.social-links a {
    width: 38px;
    height: 38px;

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

    border-radius: 7px;

    background: #0e1c31;
    border: 1px solid var(--border);

    color: var(--text-light);

    font-size: 18px;

    transition: 0.3s;
}

.social-links a:hover {
    color: var(--primary-light);
    border-color: var(--primary);
    transform: translateY(-3px);
}


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

.hero-image {
    flex: 0 0 350px;

    display: flex;
    justify-content: center;
}

.image-circle {
    width: 310px;
    height: 310px;

    border-radius: 50%;
    overflow: hidden;

    border: 4px solid var(--primary);

    box-shadow: 0 0 35px rgba(59, 130, 246, 0.25);
}

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

    object-fit: cover;
}


/* =====================================================
   SECTIONS
===================================================== */

.section {
    max-width: 1250px;

    margin: auto;

    padding: 90px 40px;
}

.section-title {
    margin-bottom: 45px;
}

.section-title p {
    color: var(--primary-light);

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

    letter-spacing: 3px;

    margin-bottom: 7px;
}

.section-title h2 {
    font-size: 38px;
    color: white;
}

.section-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;

    margin-bottom: 45px;
}

.section-title-row .section-title {
    margin-bottom: 0;
}

.view-all {
    color: var(--primary-light);
    font-size: 14px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.view-all:hover {
    color: white;
}


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

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;

    gap: 70px;

    align-items: center;
}

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

    font-size: 16px;

    margin-bottom: 18px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 12px;
}

.about-badge {
    background: var(--card);

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

    padding: 18px 12px;

    border-radius: 9px;

    display: flex;
    flex-direction: column;

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

    gap: 9px;

    color: var(--text-light);

    font-size: 13px;

    transition: 0.3s;
}

.about-badge i {
    color: var(--primary-light);
    font-size: 20px;
}

.about-badge:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}


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

.timeline {
    border-left: 2px solid #274464;

    margin-left: 12px;
    padding-left: 30px;

    display: flex;
    flex-direction: column;

    gap: 35px;
}

.timeline-item {
    position: relative;
}

.timeline-dot {
    position: absolute;

    left: -39px;
    top: 6px;

    width: 14px;
    height: 14px;

    border-radius: 50%;

    background: var(--primary);

    box-shadow: 0 0 0 5px var(--background);
}

.timeline-content {
    background: var(--card);

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

    border-radius: 10px;

    padding: 25px;

    transition: 0.3s;
}

.timeline-content:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.date {
    color: var(--primary-light);
    font-size: 13px;
}

.timeline-content h3 {
    color: white;
    font-size: 20px;
    margin: 7px 0;
}

.timeline-content h4 {
    color: var(--text-light);
    font-weight: normal;
    margin-bottom: 5px;
}

.timeline-content p {
    color: var(--text-muted);
}


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

.experience-container {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.experience-card {
    background: var(--card);

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

    border-radius: 10px;

    padding: 28px;

    transition: 0.3s;
}

.experience-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.experience-header {
    display: flex;

    justify-content: space-between;

    gap: 20px;

    margin-bottom: 17px;
}

.experience-header h3 {
    color: white;
    font-size: 21px;
}

.experience-header h4 {
    color: var(--primary-light);
    font-weight: normal;
    margin-top: 3px;
}

.experience-card ul {
    list-style: none;
}

.experience-card li {
    color: var(--text-muted);

    padding-left: 20px;

    margin-bottom: 9px;

    position: relative;
}

.experience-card li::before {
    content: "•";

    position: absolute;
    left: 0;

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


/* =====================================================
   PROJECTS
===================================================== */

.projects-grid {
    display: grid;

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

    gap: 18px;
}

.project-card {
    background: var(--card);

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

    border-radius: 10px;

    padding: 24px;

    display: flex;
    flex-direction: column;

    transition: 0.3s;
}

.project-card:hover {
    border-color: var(--primary);

    transform: translateY(-6px);

    background: var(--card-hover);
}

.project-icon {
    width: 43px;
    height: 43px;

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

    border-radius: 8px;

    background: #10284a;

    color: var(--primary-light);

    margin-bottom: 18px;

    font-size: 19px;
}

.project-card h3 {
    color: white;

    font-size: 18px;

    margin-bottom: 10px;
}

.project-card p {
    color: var(--text-muted);

    font-size: 13px;

    margin-bottom: 18px;
}

.tech-stack {
    display: flex;

    gap: 6px;

    flex-wrap: wrap;

    margin-top: auto;

    margin-bottom: 20px;
}

.tech-stack span {
    background: #162a45;

    color: #9bc7ff;

    padding: 4px 8px;

    border-radius: 4px;

    font-size: 11px;
}

.project-links {
    display: flex;
    gap: 10px;
}

.project-links a {
    color: var(--primary-light);

    border: 1px solid #29476b;

    padding: 7px 11px;

    border-radius: 5px;

    font-size: 12px;

    transition: 0.3s;
}

.project-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}


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

.skills-container {
    display: grid;

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

    gap: 18px;
}

.skill-category {
    background: var(--card);

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

    border-radius: 9px;

    padding: 23px;
}

.skill-category h3 {
    color: white;

    font-size: 16px;

    margin-bottom: 16px;

    display: flex;
    gap: 9px;
    align-items: center;
}

.skill-category h3 i {
    color: var(--primary-light);
}

.skill-list {
    display: flex;

    flex-wrap: wrap;

    gap: 7px;
}

.skill-list span {
    background: #162a45;

    color: #a9d0ff;

    border-radius: 4px;

    padding: 5px 9px;

    font-size: 11px;
}


/* =====================================================
   OPEN SOURCE
===================================================== */

.opensource-card {
    background: var(--card);

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

    border-radius: 12px;

    padding: 30px;

    display: flex;

    gap: 25px;
}

.opensource-icon {
    width: 55px;
    height: 55px;

    flex-shrink: 0;

    display: flex;

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

    background: #162a45;

    color: #fbbf24;

    border-radius: 9px;

    font-size: 25px;
}

.opensource-content {
    flex: 1;
}

.opensource-header {
    display: flex;

    justify-content: space-between;

    margin-bottom: 12px;
}

.opensource-header h3 {
    color: white;

    font-size: 22px;
}

.highlight {
    color: #60a5fa !important;

    font-weight: bold;

    margin-top: 2px;
}

.opensource-year {
    color: var(--text-dark);
}

.opensource-content > p {
    color: var(--text-muted);

    font-size: 14px;
}

.opensource-stats {
    display: flex;

    gap: 55px;

    margin-top: 22px;
}

.opensource-stats div {
    display: flex;

    flex-direction: column;
}

.opensource-stats strong {
    color: white;

    font-size: 25px;
}

.opensource-stats span {
    color: var(--text-dark);

    font-size: 12px;
}


/* =====================================================
   CERTIFICATIONS
===================================================== */

.certifications-grid {
    display: grid;

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

    gap: 20px;
}

.certification-card {
    background: var(--card);

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

    border-radius: 10px;

    padding: 24px;

    display: flex;

    gap: 18px;

    transition: 0.3s;
}

.certification-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.cert-icon {
    width: 45px;
    height: 45px;

    flex-shrink: 0;

    display: flex;

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

    background: #10284a;

    color: var(--primary-light);

    border-radius: 7px;
}

.cert-year {
    float: right;

    color: var(--text-dark);

    font-size: 12px;
}

.certification-card h3 {
    color: white;

    font-size: 17px;

    margin-bottom: 3px;
}

.certification-card p {
    color: var(--text-muted);

    font-size: 13px;
}

.cert-provider {
    color: var(--primary-light);

    font-size: 12px;
}


/* =====================================================
   POR
===================================================== */

.por-grid {
    display: grid;

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

    gap: 18px;
}

.por-card {
    background: var(--card);

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

    border-radius: 10px;

    padding: 24px;

    transition: 0.3s;
}

.por-card:hover {
    border-color: var(--primary);

    transform: translateY(-4px);
}

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

    background: #10284a;

    color: var(--primary-light);

    border-radius: 7px;

    display: flex;

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

    margin-bottom: 16px;
}

.por-date {
    color: var(--primary-light);

    font-size: 11px;
}

.por-card h3 {
    color: white;

    font-size: 17px;

    margin-top: 5px;
}

.por-card h4 {
    color: var(--text-light);

    font-size: 12px;

    font-weight: normal;

    margin-bottom: 15px;
}

.por-card p {
    color: var(--text-muted);

    font-size: 13px;

    margin-bottom: 10px;
}


/* =====================================================
   ACHIEVEMENTS
===================================================== */

.achievement-list {
    display: flex;

    flex-direction: column;

    gap: 12px;

    max-width: 900px;
}

.achievement {
    display: flex;

    align-items: center;

    gap: 16px;

    background: var(--card);

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

    border-radius: 8px;

    padding: 17px 20px;
}

.achievement i {
    color: #fbbf24;

    font-size: 18px;

    width: 22px;
}

.achievement p {
    color: var(--text-light);

    font-size: 13px;
}


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

.contact-section {
    text-align: center;
}

.contact-description {
    max-width: 600px;

    margin: -20px auto 30px;

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

.contact-links {
    display: flex;

    justify-content: center;

    gap: 12px;

    flex-wrap: wrap;
}

.contact-links a {
    border: 1px solid var(--border);

    padding: 10px 18px;

    border-radius: 6px;

    color: var(--text-light);

    font-size: 13px;

    transition: 0.3s;
}

.contact-links a:hover {
    color: var(--primary-light);

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


/* =====================================================
   PROJECTS PAGE
===================================================== */

.projects-page-header {
    max-width: 1100px;

    margin: auto;

    padding: 150px 40px 70px;

    text-align: center;
}

.projects-page-header h1 {
    font-size: 55px;

    color: white;

    margin-bottom: 15px;
}

.projects-page-header > p:not(.small-heading) {
    color: var(--text-muted);

    max-width: 650px;

    margin: 0 auto 25px;
}

.all-projects {
    padding-top: 30px;
}

.full-project-card {
    display: flex;

    gap: 30px;

    background: var(--card);

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

    border-radius: 12px;

    padding: 30px;

    margin-bottom: 20px;

    transition: 0.3s;
}

.full-project-card:hover {
    border-color: var(--primary);

    transform: translateY(-3px);
}

.full-project-icon {
    width: 60px;
    height: 60px;

    flex-shrink: 0;

    display: flex;

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

    background: #10284a;

    border-radius: 9px;

    color: var(--primary-light);

    font-size: 24px;
}

.full-project-content {
    flex: 1;
}

.project-number {
    color: var(--primary-light);

    font-size: 11px;

    letter-spacing: 2px;
}

.full-project-content h2 {
    color: white;

    font-size: 24px;

    margin: 4px 0 9px;
}

.full-project-content p {
    color: var(--text-muted);

    font-size: 14px;

    max-width: 850px;

    margin-bottom: 15px;
}

.project-button {
    display: inline-flex;

    align-items: center;

    gap: 8px;

    color: var(--primary-light);

    border: 1px solid #29476b;

    padding: 8px 13px;

    border-radius: 5px;

    font-size: 12px;

    transition: 0.3s;
}

.project-button:hover {
    background: var(--primary);

    color: white;

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


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

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

    padding: 25px 40px;

    display: flex;

    justify-content: space-between;

    align-items: center;

    max-width: 1250px;

    margin: auto;

    color: var(--text-dark);

    font-size: 12px;
}

footer a {
    color: var(--primary-light);
}


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

@media (max-width: 1100px) {

    .nav-links {
        gap: 12px;
    }

    .nav-links a {
        font-size: 11px;
    }

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

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

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

}


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

@media (max-width: 850px) {

    .nav-links {
        position: absolute;

        top: 75px;
        left: 0;

        width: 100%;

        background: var(--background);

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

        flex-direction: column;

        padding: 25px;

        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 14px;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        flex-direction: column-reverse;

        text-align: center;

        padding-top: 120px;
    }

    .hero-image {
        flex: auto;
    }

    .hero-buttons,
    .social-links {
        justify-content: center;
    }

    .hero h1 {
        font-size: 45px;
    }

    .hero h2 {
        font-size: 21px;
    }

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

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

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

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

    .section-title-row {
        align-items: flex-start;

        flex-direction: column;

        gap: 10px;
    }

    .experience-header {
        flex-direction: column;

        gap: 4px;
    }

    .opensource-card {
        flex-direction: column;
    }

    .full-project-card {
        flex-direction: column;
    }

    .projects-page-header h1 {
        font-size: 42px;
    }

}


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

@media (max-width: 500px) {

    .navbar {
        padding: 0 18px;
    }

    .logo {
        font-size: 18px;
    }

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

    .hero h1 {
        font-size: 37px;
    }

    .hero h2 {
        font-size: 19px;
    }

    .image-circle {
        width: 245px;
        height: 245px;
    }

    .section {
        padding: 70px 20px;
    }

    .section-title h2 {
        font-size: 31px;
    }

    .about-highlights {
        grid-template-columns: 1fr 1fr;
    }

    .opensource-stats {
        gap: 25px;
    }

    footer {
        padding: 20px;

        flex-direction: column;

        gap: 10px;
    }

}