/* Extracted styles from yassine_portfolio.html
     Local fonts: load the shipped TTF files in assets/fonts/chakra-petch/
     We register the four weights used by the site (400/500/600/700).
*/

/* Chakra Petch - local TTF fallbacks (serves TTF; consider adding WOFF/WOFF2 later)
     Files expected:
         assets/fonts/chakra-petch/ChakraPetch-Regular.ttf   -> 400
         assets/fonts/chakra-petch/ChakraPetch-Medium.ttf    -> 500
         assets/fonts/chakra-petch/ChakraPetch-SemiBold.ttf  -> 600
         assets/fonts/chakra-petch/ChakraPetch-Bold.ttf      -> 700
*/
@font-face {
    font-family: 'Chakra Petch';
    src: url('../fonts/chakra-petch/ChakraPetch-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Chakra Petch';
    src: url('../fonts/chakra-petch/ChakraPetch-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Chakra Petch';
    src: url('../fonts/chakra-petch/ChakraPetch-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Chakra Petch';
    src: url('../fonts/chakra-petch/ChakraPetch-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* GT America local subset for nav links (Standard family) */
@font-face {
    font-family: 'GT America';
    src: url('../fonts/GT-America/GT-America-Standard-Regular-Trial.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'GT America';
    src: url('../fonts/GT-America/GT-America-Standard-Medium-Trial.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'GT America';
    src: url('../fonts/GT-America/GT-America-Standard-Bold-Trial.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

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

::selection {
    background: var(--accent);
    color: #ffffff;
}

::-moz-selection {
    background: var(--accent);
    color: #ffffff;
}

:root {
    --bg: #ffffff;
    --bg-secondary: #f8f8f8;
    --text: #282828;
    --text-secondary: #504945;
    --text-tertiary: #969696;
    --accent: #d4af37;
    --accent-hover: #c49b2e;
    --accent-light: #f4e4a6;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Iowan Old Style BT', Georgia, serif;
    font-size: clamp(17px, 1.8vw, 19px);
    line-height: 1.75;
    color: var(--text);
    background-color: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1100;
    border-bottom: 1px solid var(--border);
    transition: transform 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-small {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text);
    text-decoration: none;
    transition: opacity 0.3s;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--text);
}

.logo-small:hover {
    opacity: 0.7;
}

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

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-family: 'GT America', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
}

/* Desktop nav: animate like mobile nav links (slide + animated underline) */
nav a:hover {
    color: var(--accent);
    transform: translateX(4px);
    text-decoration: none;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1002;
    position: relative;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu-overlay nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.mobile-menu-overlay nav a {
    font-size: 20px; /* make mobile links ~20px as requested */
    font-weight: 400; /* less bold on mobile */
    color: var(--text);
    text-decoration: none;
    font-family: 'GT America', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    letter-spacing: -0.02em;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
}

.mobile-menu-overlay nav a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.mobile-menu-overlay nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.mobile-menu-overlay nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
    animation: fadeIn 0.8s ease-in;
}

.logo-container {
    max-width: 100%;
    margin-inline: auto;
    padding-block: 1rem 1.4rem;
    text-align: center;
    animation: fadeIn 0.6s ease-in-out;
}

.logo {
    position: relative;
    overflow: hidden;
    background: white;
    color: black;
    border: solid 1px white;
    backface-visibility: hidden;
    animation: float 7s ease-in-out infinite;
    display: inline-block;
    font-size: clamp(2.5em, 8vw, 3.4em);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
    font-family: 'Chakra Petch', sans-serif;
    font-weight: 400;
}

.logo:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    aspect-ratio: 1;
    background: linear-gradient(90deg, #565151, #d2caca);
    mix-blend-mode: screen;
    animation: gradRotate 8s linear infinite;
    pointer-events: none;
    transform: translate(-50%, -50%);
}

@keyframes float {
    0%, 100% { transform: translateY(5px); }
    50% { transform: translateY(-5px); }
}

@keyframes gradRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.hero-description {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 100px;
    text-decoration: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(180deg, #F3F2F2 0%, #E6E6E6 87.5%);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
}

/* Sections */
section {
    padding: 4rem 0;
    animation: fadeIn 0.8s ease-in;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: center;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-style: italic;
    font-size: 1.1rem;
    font-weight: 400;
}

/* About Section */
.about-content {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--text-secondary);
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--text);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.5rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Education Section */
.education-timeline {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.education-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.education-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px var(--shadow);
}

.education-header {
    margin-bottom: 1rem;
}

.education-degree {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.education-school {
    font-size: 1.05rem;
    color: var(--accent);
    margin-bottom: 0.3rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.education-location {
    font-size: 0.95rem;
    color: var(--text-tertiary);
    margin-bottom: 0.3rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.education-date {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-style: italic;
}

.education-details {
    margin-top: 1rem;
}

.education-focus {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.education-modules {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-4px);
}

.skill-category h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text);
    font-weight: 600;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--bg);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* Projects Section */
.projects-grid {
    display: grid;
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px var(--shadow);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.project-links {
    display: flex;
    gap: 0.8rem;
    flex-shrink: 0;
}

.project-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.project-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.75;
    font-size: 1.05rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    background: var(--bg);
    padding: 0.3rem 0.7rem;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    transition: background 0.3s;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.contact-item:hover {
    background: var(--border);
}

.contact-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Footer */
footer {
    padding: 3rem 0 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

.footer-content {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}



.social-link:hover {
    color: var(--accent);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    header {
        /* Use sticky header on narrow viewports so it stays at top but remains in flow */
        position: -webkit-sticky;
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1100;
    }

    header nav {
        display: none;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .logo {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

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

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

    .project-header {
        flex-direction: column;
        align-items: start;
    }

    .project-links {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

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