/* 
  Theme: Modern Dark Portfolio
  Author: Saad Mehamdi 
*/

:root {
    --dark-navy: #020c1b;
    --navy: #0a192f;
    --light-navy: #112240;
    --lightest-navy: #233554;
    --navy-shadow: rgba(2, 12, 27, 0.7);
    --dark-slate: #495670;
    --slate: #8892b0;
    --light-slate: #a8b2d1;
    --lightest-slate: #ccd6f6;
    --white: #e6f1ff;
    --green: #64ffda;
    --green-tint: rgba(100, 255, 218, 0.1);

    --font-main: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;

    --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
}

/* Base Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--navy);
    color: var(--slate);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--lightest-slate);
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
    /* Side padding for mobile */
}

/* Utilities */
.section-title {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    width: 100%;
}

.section-num {
    font-family: var(--font-mono);
    color: var(--green);
    font-size: 1.2rem;
    margin-right: 10px;
}

.section-title h3 {
    font-size: 1.8rem;
    white-space: nowrap;
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.section-title h3::after {
    content: "";
    display: block;
    height: 1px;
    width: 300px;
    /* Line length */
    max-width: 100%;
    background-color: var(--lightest-navy);
    margin-left: 20px;
}

.section {
    padding: 100px 0;
}

.highlight {
    color: var(--green);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn {
    border: 1px solid var(--green);
    color: var(--green);
    background: transparent;
}

.primary-btn:hover {
    background: var(--green-tint);
}

.secondary-btn {
    margin-left: 15px;
    color: var(--light-slate);
}

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

/* Navbar */
header {
    background: rgba(10, 25, 47, 0.85);
    height: 80px;
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--light-navy);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    color: var(--green);
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li {
    font-family: var(--font-mono);
    font-size: 13px;
}

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

.nav-num {
    color: var(--green);
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 10;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: 0;
}

.intro-text {
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 1rem;
    margin-bottom: 20px;
}

.big-heading {
    font-size: 4rem;
    /* 64px */
    line-height: 1.1;
    margin-bottom: 10px;
}

.secondary {
    color: var(--slate);
}

.hero-description {
    max-width: 540px;
    font-size: 1.1rem;
    margin-top: 20px;
    margin-bottom: 50px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
}

.quote {
    font-style: italic;
    border-left: 3px solid var(--green);
    padding-left: 15px;
    margin: 20px 0;
    color: var(--light-slate);
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 20px;
    font-family: var(--font-mono);
    font-size: 13px;
}

.skills-list li::before {
    content: "▹";
    color: var(--green);
    margin-right: 10px;
}

.dev-card {
    background-color: var(--light-navy);
    padding: 20px;
    border-radius: 5px;
    margin-top: 10px;
    transition: var(--transition);
}

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

.about-education h4 {
    margin-bottom: 15px;
    color: var(--green);
}

.about-education i {
    margin-right: 8px;
}

/* Experience Section */
.jobs-tabs {
    display: flex;
    flex-direction: column;
    gap: 30px;
    border-left: 2px solid var(--lightest-navy);
    padding-left: 20px;
}

.job-card {
    position: relative;
    padding-left: 20px;
}

.job-card::before {
    content: "";
    position: absolute;
    left: -29px;
    /* Align with border line centered */
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--navy);
    border: 2px solid var(--green);
}

.job-header h4 {
    font-size: 1.3rem;
    color: var(--lightest-slate);
}

.job-header .company {
    color: var(--green);
}

.job-date {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--light-slate);
    margin-bottom: 20px;
    /* Block display fix */
    display: block;
    margin-top: 5px;
}

.job-description {
    margin-top: 15px;
}

.job-description li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.job-description li::before {
    content: "▹";
    color: var(--green);
    position: absolute;
    left: 0;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.project-card {
    background-color: var(--light-navy);
    border-radius: 5px;
    transition: var(--transition);
    cursor: default;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.project-image-link {
    display: block;
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--lightest-navy);
}

.project-image-link::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--green);
    opacity: 0.15;
    transition: var(--transition);
    z-index: 1;
}

.project-image-link:hover::before {
    opacity: 0;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: var(--transition);
    mix-blend-mode: luminosity;
}

.project-image-link:hover .project-image {
    mix-blend-mode: normal;
    transform: scale(1.05);
}

.project-content {
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

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

.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.folder-icon {
    color: var(--green);
    font-size: 40px;
}

.project-links a {
    color: var(--light-slate);
    font-size: 20px;
    margin-left: 10px;
}

.project-links a:hover {
    color: var(--green);
}

.project-title {
    color: var(--lightest-slate);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.project-desc {
    color: var(--light-slate);
    font-size: 1rem;
    margin-bottom: 20px;
    flex-grow: 1;
    /* Push tech list to bottom */
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--slate);
}

.more-projects {
    text-align: center;
}

/* Certifications */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.cert-item {
    border: 1px solid var(--lightest-navy);
    padding: 15px;
    border-radius: 4px;
    transition: var(--transition);
}

.cert-item:hover {
    border-color: var(--green);
    background: var(--light-navy);
}

.cert-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--green);
    display: block;
    margin-bottom: 5px;
}

.cert-issuer {
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Contact Section */
.contact-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.section-num-center {
    font-family: var(--font-mono);
    color: var(--green);
    margin-bottom: 20px;
    display: block;
}

.contact-box .big-heading {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--lightest-slate);
}

.contact-box p {
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.social-links {
    margin-top: 50px;
}

.social-links a {
    color: var(--slate);
    font-size: 24px;
    margin: 0 15px;
}

.social-links a:hover {
    color: var(--green);
    transform: translateY(-3px);
    display: inline-block;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--slate);
}

/* Animation Classes */
.hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        position: relative;
    }

    .hamburger {
        display: block;
        padding: 5px;
    }

    .hamburger .line {
        width: 30px;
        height: 2px;
        background-color: var(--green);
        margin: 6px 0;
        transition: var(--transition);
    }

    /* Mobile Menu Drawer */
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 70vw;
        background-color: var(--light-navy);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: -10px 0px 30px -15px var(--navy-shadow);
        z-index: 9;
    }

    .nav-links.open {
        transform: translateX(0);
    }

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

    .big-heading {
        font-size: 3rem;
    }
}