/* Hero */
.hero-section {
    max-width: 1200px;
    min-height: 60vh;
    margin: 0 auto;
    padding: 60px 40px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 80px;
}

.hero-content {
    max-width: 720px;
}

.hero-content::before {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    margin-bottom: 24px;
    background-color: var(--color-primary);
}

.hero-content h1 {
    margin: 0 0 24px;
    font-size: 64px;
    line-height: 1.1;
    font-weight: 700;
}

.hero-title_accent {
    color: var(--color-accent);
}

.hero-content > p {
    max-width: 650px;
    margin: 0 0 32px;
    font-size: 18px;
    line-height: 1.6;
}

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

.hero-visual_frame {
    width: 100%;
    max-width: 360px;
    min-height: 360px;
    padding: 35px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: var(--color-surface);
    border: 1px solid #263A63;
    border-radius: 16px;
    transform: rotate(2deg);
}

.hero-visual_label {
    margin: 0;
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-visual_symbol {
    font-size: 90px;
    font-weight: 700;
    text-align: center;
    color: var(--color-text);
    opacity: 0.12;
}

.hero-visual_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-visual_tags span {
    padding: 8px 14px;
    border: 1px solid #334155;
    border-radius: 6px;
    font-size: 13px;
}

/* About */
.about-section {
    width: 100%;
    background-color: var(--color-surface);
    border-top: 1px solid #263A63;
    border-bottom: 1px solid #263A63;
}

.about-container {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 60px;
    padding-top: 80px;
    padding-bottom: 80px;
}

.about-heading {
    align-self: start;
}

.section-label {
    margin: 0 0 12px;
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.about-section h2 {
    margin: 0;
    font-size: 32px;
}

.about-content p {
    margin: 0;
    font-size: 18px;
    line-height: 1.7;
    opacity: 0.8;
    text-align: justify;
}

/* Skills */
.skills-section {
    padding-top: 90px;
    padding-bottom: 90px;
    border-top: 1px solid var(--color-surface);
}

.skills_header {
    max-width: 650px;
    margin-bottom: 50px;
}

.skills-section h2 {
    margin: 0 0 16px;
    font-size: 36px;
}

.skills_intro {
    margin: 0;
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.7;
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.skill-item {
    padding: 30px;
    background-color: rgba(16, 22, 42, 0.35);
    border: 1px solid #263A63;
    border-radius: 10px;
}

.skill-item:last-child {
    grid-column: 1 / -1;
}

.skill-item h3 {
    margin: 0 0 16px;
    font-size: 22px;
}

.skill-item > p {
    max-width: 500px;
    margin: 0 0 24px;
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.75;
}

.skill_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill_tags span {
    padding: 7px 12px;
    border: 1px solid #334155;
    border-radius: 6px;
    font-size: 13px;
}

/* Education */
.education-section {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 60px;
    padding-top: 90px;
    padding-bottom: 90px;
    border-top: 1px solid var(--color-surface);
}

.education_header {
    align-self: start;
}

.education-section h2 {
    margin: 0;
    font-size: 36px;
}

.education-content {
    max-width: 760px;
    padding-left: 35px;
    border-left: 1px solid #263A63;
}

.education-item {
    position: relative;
    padding-bottom: 45px;
}

.education-item:last-child {
    padding-bottom: 0;
}

.education-item::before {
    content: "";
    position: absolute;
    left: -41px;
    top: 4px;
    width: 11px;
    height: 11px;
    background-color: var(--color-background);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
}

.education-date {
    margin: 0 0 12px;
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
}

.education-item h3 {
    margin: 0 0 12px;
    font-size: 22px;
}

.education-item > p:last-child {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.75;
}

/* Contact */
.contact-section {
    width: 100%;
    background-color: var(--color-surface);
    border-top: 1px solid #263A63;
    border-bottom: 1px solid #263A63;
}

.contact-container {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 60px;
    padding-top: 80px;
    padding-bottom: 80px;
}

.contact_header {
    align-self: start;
}

.contact-section h2 {
    margin: 0;
    font-size: 38px;
    line-height: 1.25;
}

.contact_content {
    max-width: 700px;
}

.contact_content > p {
    margin: 0;
    font-size: 20px;
    line-height: 1.7;
    opacity: 0.8;
}

.contact_links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 35px;
}

.contact_links a {
    display: inline-block;
    padding: 12px 20px;
    border: 1px solid #334155;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    transition: 0.3s ease;
}

.contact_links a:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.contact_links .contact-link_primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.contact_links .contact-link_primary:hover {
    background-color: transparent;
}

/* Tablet */
@media (max-width: 768px) {
    /*hero*/
    .hero-section {
        padding: 50px 30px;
        grid-template-columns: 1fr 280px;
        gap: 30px;
    }

    .hero-content {
        min-width: 0;
    }

    .hero-content h1 {
        font-size: 52px;
    }

    .hero-visual_frame {
        max-width: 280px;
        min-height: 320px;
        padding: 28px;
    }

    /*contact*/
    .contact_header h2 {
        font-size: 38px;
    }

    .contact_content > p {
    text-align: justify;
    line-height: 1.5;
    }
}

@media (max-width: 640px) {
    
    .hero-section,
    .about-container,
    .skills-section,
    .projects-section,
    .education-section,
    .contact-container {
        padding: 50px 25px;
    }

    /* Hero */
    .hero-section {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .hero-content {
        max-width: 100%;
        min-width: 0;
    }

    .hero-content h1 {
        font-size: 44px;
    }

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

    .hero-visual_frame {
        width: 100%;
        max-width: 320px;
    }


    /* About */
    .about-container {
        grid-template-columns: 1fr;
        gap: 30px;
       
    }


    /* Skills */
    .skills-list {
        grid-template-columns: 1fr;
    }
  

    /* Education */
    .education-section {
        grid-template-columns: 1fr;
        gap: 35px;
    }


    /* Contact */
    .contact_header h2{
        font-size: 35px;
    }
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact_links {
        justify-content: center;
        font-size: 18px;
    }

}