/* =====================================================
   TASHFEEN EMAN PORTFOLIO
   Professional Blue / Black Theme
===================================================== */

:root {
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --blue-light: #3b82f6;
    --blue-glow: rgba(37, 99, 235, 0.20);

    --black: #050505;
    --dark: #0d1117;
    --dark-card: #151b24;

    --white: #ffffff;
    --light: #f5f7fa;

    --text: #111827;
    --muted: #64748b;
    --border: #d8dee8;

    --container: 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", sans-serif;
    color: var(--text);
    background: var(--light);
    line-height: 1.7;
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
}

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


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

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(245, 247, 250, 0.94);
    backdrop-filter: blur(15px);

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

.nav-container {
    height: 78px;

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

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    position: relative;

    font-size: 0.88rem;
    font-weight: 600;

    color: #374151;

    transition: var(--transition);
}

.nav-links a::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -7px;

    width: 0;
    height: 2px;

    background: var(--blue);

    transition: var(--transition);
}

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

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

.menu-btn {
    display: none;

    border: none;
    background: none;

    font-size: 1.5rem;
    cursor: pointer;
}


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

.hero {
    min-height: calc(100vh - 78px);

    display: flex;
    align-items: center;

    background:
        radial-gradient(
            circle at 90% 20%,
            rgba(37, 99, 235, 0.12),
            transparent 30%
        );
}

.hero-content {
    display: grid;

    grid-template-columns: 1.3fr 0.7fr;

    gap: 5rem;

    align-items: center;

    padding: 6rem 0;
}

.eyebrow {
    margin-bottom: 1rem;

    color: var(--blue);

    font-size: 0.75rem;
    font-weight: 800;

    letter-spacing: 0.18em;
}

.hero h1 {
    max-width: 800px;

    font-size: clamp(3rem, 7vw, 6.2rem);

    line-height: 1.02;

    letter-spacing: -0.06em;

    font-weight: 800;

    margin-bottom: 1.6rem;
}

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

.hero-description {
    max-width: 650px;

    font-size: 1.15rem;

    color: var(--muted);

    margin-bottom: 2rem;
}

.hero-description strong {
    color: var(--text);
}

.hero-buttons {
    display: flex;

    flex-wrap: wrap;

    gap: 1rem;

    margin-bottom: 3.5rem;
}


/* =====================================================
   BUTTONS
===================================================== */

.btn {
    display: inline-flex;

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

    padding: 0.9rem 1.5rem;

    border-radius: 5px;

    font-size: 0.85rem;
    font-weight: 700;

    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--blue-dark);

    transform: translateY(-3px);

    box-shadow: 0 10px 25px var(--blue-glow);
}

.btn-outline {
    border: 1px solid var(--text);

    color: var(--text);
}

.btn-outline:hover {
    background: var(--black);
    color: white;

    transform: translateY(-3px);
}


/* =====================================================
   QUICK INFO
===================================================== */

.quick-info {
    display: flex;

    gap: 3rem;
}

.quick-info div {
    display: flex;
    flex-direction: column;
}

.quick-info strong {
    font-size: 1.4rem;
}

.quick-info span {
    color: var(--muted);

    font-size: 0.75rem;

    text-transform: uppercase;

    letter-spacing: 0.06em;
}


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

.hero-card {
    display: flex;

    justify-content: center;
}

.profile-card {
    position: relative;

    width: 310px;
    height: 380px;

    display: flex;

    flex-direction: column;

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

    text-align: center;

    background: var(--black);

    color: white;

    border-radius: 8px;

    box-shadow: 25px 25px 0 var(--blue);

    overflow: hidden;
}

.profile-card::before {
    content: "";

    position: absolute;

    width: 180px;
    height: 180px;

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

    border-radius: 50%;
}

.profile-circle {
    position: relative;

    width: 120px;
    height: 120px;

    display: flex;

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

    border-radius: 50%;

    background: var(--blue);

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

    margin-bottom: 1.5rem;
}

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

    margin-bottom: 0.3rem;
}

.profile-card > p {
    color: #aaa;

    font-size: 0.9rem;

    margin-bottom: 1.5rem;
}

.status {
    display: flex;

    align-items: center;

    gap: 0.5rem;

    color: #bbb;

    font-size: 0.72rem;
}

.status span {
    width: 8px;
    height: 8px;

    border-radius: 50%;

    background: #22c55e;
}


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

.section {
    padding: 7rem 0;
}

.section-dark {
    background: var(--black);
    color: white;
}

.section-heading {
    max-width: 750px;

    margin-bottom: 4rem;
}

.section-heading h2 {
    font-family: "Playfair Display", serif;

    font-size: clamp(2.3rem, 5vw, 4rem);

    line-height: 1.1;

    letter-spacing: -0.04em;
}

.section-heading h2 span {
    color: var(--blue);
}


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

.about-grid {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 5rem;
}

.about-text {
    font-size: 1.05rem;

    color: var(--muted);
}

.about-text p {
    margin-bottom: 1.4rem;
}

.about-boxes {
    display: grid;

    gap: 1rem;
}

.about-box {
    padding: 1.6rem;

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

    background: rgba(255, 255, 255, 0.7);

    transition: var(--transition);
}

.about-box:hover {
    border-color: var(--blue);

    transform: translateX(6px);
}

.about-box span {
    color: var(--blue);

    font-size: 0.75rem;

    font-weight: 800;
}

.about-box h3 {
    margin: 0.3rem 0;

    font-size: 1.05rem;
}

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

    font-size: 0.88rem;
}


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

.skills-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 1px;

    background: #252b35;

    border: 1px solid #252b35;
}

.skill-card {
    min-height: 300px;

    padding: 2rem;

    background: var(--dark);

    transition: var(--transition);
}

.skill-card:hover {
    background: var(--dark-card);

    transform: translateY(-5px);
}

.skill-number {
    color: var(--blue);

    font-size: 0.75rem;

    font-weight: 800;

    margin-bottom: 2rem;
}

.skill-card h3 {
    font-size: 1.2rem;

    margin-bottom: 1.5rem;
}

.skill-card li {
    color: #aaa;

    font-size: 0.85rem;

    padding: 0.35rem 0;
}

.skill-card li::before {
    content: "—";

    color: var(--blue);

    margin-right: 0.5rem;
}


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

.projects-grid {
    display: grid;

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

    gap: 1.5rem;
}

.project-card {
    position: relative;

    padding: 2.2rem;

    background: white;

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

    transition: var(--transition);

    overflow: hidden;
}

.project-card::before {
    content: "";

    position: absolute;

    top: 0;
    left: 0;

    width: 100%;
    height: 4px;

    background: var(--blue);

    transform: scaleX(0);

    transform-origin: left;

    transition: var(--transition);
}

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

    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-top {
    display: flex;

    justify-content: space-between;

    margin-bottom: 2rem;
}

.project-index {
    color: var(--blue);

    font-size: 0.75rem;

    font-weight: 800;
}

.project-type {
    color: #888;

    font-size: 0.7rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 0.08em;
}

.project-card h3 {
    font-family: "Playfair Display", serif;

    font-size: 1.65rem;

    margin-bottom: 1rem;
}

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

    font-size: 0.9rem;

    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;

    flex-wrap: wrap;

    gap: 0.5rem;
}

.project-tags span {
    padding: 0.35rem 0.65rem;

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

    font-size: 0.7rem;

    color: #555;
}

.project-details {
    margin-top: 1.5rem;

    padding-top: 1.2rem;

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

.project-details h4 {
    font-size: 0.75rem;

    text-transform: uppercase;

    letter-spacing: 0.08em;

    color: var(--blue);

    margin-bottom: 0.4rem;
}

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

    font-size: 0.82rem;
}


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

.education-section {
    background: #e9edf3;
}

.timeline {
    position: relative;

    max-width: 850px;

    margin-bottom: 4rem;

    padding-left: 2rem;
}

.timeline::before {
    content: "";

    position: absolute;

    top: 0;
    bottom: 0;
    left: 5px;

    width: 1px;

    background: var(--border);
}

.timeline-item {
    position: relative;

    padding-left: 2rem;

    padding-bottom: 3rem;
}

.timeline-dot {
    position: absolute;

    left: -2px;
    top: 5px;

    width: 14px;
    height: 14px;

    border: 3px solid var(--light);

    background: var(--blue);

    border-radius: 50%;
}

.timeline-date {
    color: var(--blue);

    font-size: 0.75rem;

    font-weight: 800;

    letter-spacing: 0.08em;
}

.timeline-content h3 {
    font-family: "Playfair Display", serif;

    font-size: 1.7rem;

    margin: 0.3rem 0;
}

.timeline-content h4 {
    font-size: 0.9rem;

    color: #555;

    margin-bottom: 0.8rem;
}

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

    max-width: 650px;

    font-size: 0.9rem;
}


/* =====================================================
   COURSEWORK
===================================================== */

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

    padding-top: 3rem;
}

.coursework h3 {
    margin-bottom: 1.5rem;

    font-size: 1rem;
}

.course-list {
    display: flex;

    flex-wrap: wrap;

    gap: 0.7rem;
}

.course-list span {
    padding: 0.65rem 0.9rem;

    background: white;

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

    font-size: 0.8rem;
}


/* =====================================================
   CURRENT FOCUS
===================================================== */

.focus-section {
    background: var(--blue);

    color: white;

    padding: 6rem 0;
}

.focus-content {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 5rem;

    align-items: center;
}

.focus-section .eyebrow {
    color: white;
}

.focus-section h2 {
    font-family: "Playfair Display", serif;

    font-size: clamp(2.3rem, 5vw, 4rem);

    line-height: 1.1;
}

.focus-section h2 span {
    display: block;

    color: rgba(255, 255, 255, 0.7);
}

.focus-content > p {
    font-size: 1.05rem;

    color: rgba(255, 255, 255, 0.85);
}


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

.contact-section {
    background: var(--black);

    color: white;
}

.contact-box {
    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 3rem;

    padding: 4rem;

    border: 1px solid #252525;
}

.contact-box .eyebrow {
    margin-bottom: 0.8rem;
}

.contact-box h2 {
    font-family: "Playfair Display", serif;

    font-size: clamp(2.5rem, 5vw, 4rem);

    margin-bottom: 1rem;
}

.contact-box p {
    max-width: 580px;

    color: #aaa;
}

.linkedin-btn {
    flex-shrink: 0;

    display: inline-flex;

    align-items: center;

    gap: 1rem;

    padding: 1rem 1.4rem;

    background: white;

    color: var(--black);

    font-size: 0.8rem;

    font-weight: 800;

    transition: var(--transition);
}

.linkedin-btn:hover {
    background: var(--blue);

    color: white;

    transform: translateY(-3px);
}

.linkedin-btn span {
    font-size: 1.1rem;
}


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

footer {
    background: var(--black);

    border-top: 1px solid #252525;

    color: #777;

    padding: 2rem 0;
}

.footer-content {
    display: flex;

    align-items: center;

    justify-content: space-between;
}

.footer-content strong {
    color: white;

    font-size: 0.9rem;
}

.footer-content p {
    font-size: 0.75rem;
}


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

@media (max-width: 1000px) {

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

        gap: 4rem;
    }

    .hero-card {
        justify-content: flex-start;
    }

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

    .about-grid {
        gap: 3rem;
    }

}


@media (max-width: 760px) {

    .nav-links {
        position: absolute;

        top: 78px;
        left: 0;

        width: 100%;

        padding: 1.5rem;

        flex-direction: column;

        align-items: flex-start;

        gap: 1.2rem;

        background: var(--light);

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

        display: none;
    }

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

    .menu-btn {
        display: block;
    }

    .hero-content {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 3.4rem;
    }

    .quick-info {
        gap: 1.5rem;
    }

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

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

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

    .contact-box {
        flex-direction: column;

        align-items: flex-start;

        padding: 2.5rem;
    }

    .footer-content {
        flex-direction: column;

        align-items: flex-start;

        gap: 1rem;
    }

}


@media (max-width: 480px) {

    .section {
        padding: 5rem 0;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .profile-card {
        width: 270px;
        height: 340px;
    }

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

    .quick-info {
        flex-wrap: wrap;
    }

    .project-card {
        padding: 1.5rem;
    }

    .contact-box {
        padding: 2rem;
    }

}