/* ===================================
   Hamdi Bougattaya Portfolio
   Bauhaus Design System
   =================================== */

/* CSS Variables */
:root {
    /* Bauhaus Colors - Primary Palette */
    --bauhaus-red: #E53935;
    --bauhaus-blue: #1E88E5;
    --bauhaus-yellow: #FDD835;
    --bauhaus-black: #000000;
    --bauhaus-white: #FFFFFF;
    --bauhaus-gray: #F5F5F5;

    /* Spacing (8px base unit system) */
    --bauhaus-gap: 16px;

    /* Borders */
    --bauhaus-border-width: 2px;

    /* Transition */
    --bauhaus-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* ===================================
   Bauhaus Geometric Shapes
   =================================== */

.bauhaus-circle {
    width: 120px;
    height: 120px;
    background: var(--bauhaus-red);
    border-radius: 50%;
}

.bauhaus-square {
    width: 100px;
    height: 100px;
    background: var(--bauhaus-blue);
    border: var(--bauhaus-border-width) solid var(--bauhaus-black);
}

.bauhaus-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid var(--bauhaus-yellow);
}

/* Geometric Decorations */
.bauhaus-decoration {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.bauhaus-pos-1 {
    position: absolute;
    top: 10%;
    right: 5%;
    width: 200px;
    height: 200px;
    opacity: 0.1;
}

.bauhaus-pos-2 {
    position: absolute;
    bottom: 20%;
    left: 3%;
    width: 150px;
    height: 150px;
    opacity: 0.08;
}

.bauhaus-pos-3 {
    position: absolute;
    top: 40%;
    left: 10%;
    opacity: 0.06;
}

/* Clip-path shapes */
.bauhaus-diagonal {
    clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
}

.bauhaus-notch {
    clip-path: polygon(
        0 0,
        30% 0,
        35% 20%,
        65% 20%,
        70% 0,
        100% 0,
        100% 100%,
        0 100%
    );
}

/* ===================================
   Bauhaus Components
   =================================== */

/* Bauhaus Card - Sharp corners, no shadows */
.bauhaus-card {
    background: var(--bauhaus-white);
    border: var(--bauhaus-border-width) solid var(--bauhaus-black);
    border-radius: 0;
    box-shadow: none;
    transition: border-color var(--bauhaus-transition);
}

.bauhaus-card:hover {
    border-color: var(--bauhaus-blue);
}

.bauhaus-card-highlight {
    background: linear-gradient(135deg, var(--bauhaus-white) 0%, var(--bauhaus-gray) 100%);
    border-width: 3px;
    border-color: var(--bauhaus-yellow);
}

/* Bauhaus Portrait */
.bauhaus-portrait {
    width: 300px;
    height: 380px;
    border-radius: 0;
    border: 3px solid var(--bauhaus-black);
    overflow: hidden;
    position: relative;
    clip-path: polygon(
        0 0,
        100% 0,
        100% 85%,
        85% 100%,
        0 100%
    );
}

@media (min-width: 768px) {
    .bauhaus-portrait {
        width: 350px;
        height: 450px;
    }
}

/* Bauhaus Avatar */
.bauhaus-avatar {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 3px solid var(--bauhaus-black);
    overflow: hidden;
    background: var(--bauhaus-gray);
    position: relative;
}

@media (min-width: 768px) {
    .bauhaus-avatar {
        width: 320px;
        height: 320px;
    }
}

/* Bauhaus Buttons */
.bauhaus-button-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bauhaus-red);
    color: var(--bauhaus-white);
    font-weight: 600;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    cursor: pointer;
    transition: all var(--bauhaus-transition);
}

.bauhaus-button-primary:hover {
    background: var(--bauhaus-blue);
    transform: translate(-2px, -2px);
}

.bauhaus-button-primary:active {
    transform: translate(0, 0);
}

.bauhaus-button-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-weight: 600;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    cursor: pointer;
    transition: all var(--bauhaus-transition);
}

.bauhaus-button-secondary:hover {
    background: var(--bauhaus-blue);
    color: var(--bauhaus-white);
    transform: translate(-2px, -2px);
}

.bauhaus-button-secondary:active {
    transform: translate(0, 0);
}

.bauhaus-button-sm {
    padding: 8px;
    background: var(--bauhaus-white);
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    cursor: pointer;
    transition: all var(--bauhaus-transition);
}

.bauhaus-button-sm:hover {
    background: var(--bauhaus-yellow);
}

/* Bauhaus Badge */
.bauhaus-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-size: 14px;
    font-weight: 500;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
}

.bauhaus-badge-sm {
    padding: 6px 12px;
    background: var(--bauhaus-gray);
    color: var(--bauhaus-black);
    font-size: 12px;
    font-weight: 600;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
}

.bauhaus-badge-accent {
    padding: 4px 12px;
    background: var(--bauhaus-yellow);
    color: var(--bauhaus-black);
    font-size: 12px;
    font-weight: 600;
    border-radius: 0;
    border: none;
}

/* Bauhaus Pill */
.bauhaus-pill {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-size: 14px;
    font-weight: 500;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    transition: all var(--bauhaus-transition);
}

.bauhaus-pill:hover {
    background: var(--bauhaus-blue);
    color: var(--bauhaus-white);
    transform: translate(-2px, -2px);
}

/* ===================================
   Color Discipline Classes
   =================================== */

.bauhaus-text-red { color: var(--bauhaus-red); }
.bauhaus-text-blue { color: var(--bauhaus-blue); }
.bauhaus-text-yellow { color: var(--bauhaus-yellow); }
.bauhaus-text-black { color: var(--bauhaus-black); }
.bauhaus-text-white { color: var(--bauhaus-white); }

.bauhaus-bg-red { background-color: var(--bauhaus-red); }
.bauhaus-bg-blue { background-color: var(--bauhaus-blue); }
.bauhaus-bg-yellow { background-color: var(--bauhaus-yellow); }
.bauhaus-bg-black { background-color: var(--bauhaus-black); }
.bauhaus-bg-white { background-color: var(--bauhaus-white); }

/* ===================================
   Navigation
   =================================== */

.nav-link {
    color: var(--bauhaus-black);
    font-weight: 500;
    padding: 8px 12px;
    border: 2px solid transparent;
    transition: all var(--bauhaus-transition);
}

.nav-link:hover {
    color: var(--bauhaus-blue);
    background: var(--bauhaus-gray);
    border-color: var(--bauhaus-black);
}

.nav-link.active {
    color: var(--bauhaus-blue);
    background: var(--bauhaus-gray);
    border-color: var(--bauhaus-black);
}

.mobile-nav-link {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--bauhaus-black);
    padding: 12px 24px;
    border: 2px solid transparent;
    transition: all var(--bauhaus-transition);
}

.mobile-nav-link:hover {
    background: var(--bauhaus-blue);
    color: var(--bauhaus-white);
}

/* ===================================
   Section Title with Bauhaus Decoration
   =================================== */

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--bauhaus-black);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

/* Bauhaus geometric decoration */
.section-title::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 8px;
    background: var(--bauhaus-red);
}

.section-title::after {
    content: '';
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--bauhaus-blue);
}

/* ===================================
   Timeline
   =================================== */

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--bauhaus-black);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-node {
    position: absolute;
    left: -33px;
    top: 24px;
    width: 20px;
    height: 20px;
    background: var(--bauhaus-yellow);
    border: 3px solid var(--bauhaus-black);
    z-index: 1;
    transition: all var(--bauhaus-transition);
}

.timeline-item:hover .timeline-node {
    background: var(--bauhaus-red);
    transform: scale(1.2);
}

.timeline-content {
    padding-left: 16px;
}

/* ===================================
   Project Cards
   =================================== */

.project-card {
    padding: 16px;
    background: var(--bauhaus-gray);
    border: 2px solid var(--bauhaus-black);
    margin-top: 12px;
    border-radius: 0;
}

.tech-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-size: 12px;
    font-weight: 500;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    transition: all var(--bauhaus-transition);
}

.tech-tag:hover {
    background: var(--bauhaus-black);
    color: var(--bauhaus-white);
}

/* ===================================
   Bento Grid
   =================================== */

.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .bento-large {
        grid-column: span 2;
        grid-row: span 2;
    }

    .bento-medium {
        grid-column: span 1;
        grid-row: span 2;
    }
}

@media (max-width: 767px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-large,
    .bento-medium {
        grid-column: span 1;
        grid-row: span 1;
    }
}

/* ===================================
   Skills
   =================================== */

.skill-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bauhaus-white);
    color: var(--bauhaus-black);
    font-size: 13px;
    font-weight: 500;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    transition: all var(--bauhaus-transition);
    cursor: default;
}

.skill-tag:hover {
    background: var(--bauhaus-black);
    color: var(--bauhaus-white);
    transform: translate(-2px, -2px);
}

.skill-tag-ai {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bauhaus-red);
    color: var(--bauhaus-white);
    font-size: 13px;
    font-weight: 600;
    border-radius: 0;
    border: 2px solid var(--bauhaus-black);
    transition: all var(--bauhaus-transition);
    cursor: default;
}

.skill-tag-ai:hover {
    background: var(--bauhaus-blue);
    transform: translate(-2px, -2px);
}

/* ===================================
   Animations
   =================================== */

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

@keyframes fadeInDelay {
    0%, 30% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceSlow {
    0%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    50% {
        transform: translateY(10px) translateX(-50%);
    }
}

@keyframes rotateShape {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-fade-in-delay {
    animation: fadeInDelay 1.2s ease-out forwards;
}

.animate-slide-down {
    animation: slideDown 0.6s ease-out forwards;
}

.animate-bounce-slow {
    animation: bounceSlow 2s ease-in-out infinite;
}

/* Scroll Reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    transition-delay: var(--delay, 0s);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Reduced Motion
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-reveal {
        opacity: 1;
        transform: none;
    }

    .bauhaus-decoration {
        display: none;
    }
}

/* ===================================
   Responsive Adjustments
   =================================== */

@media (max-width: 767px) {
    .section-title {
        font-size: 2rem;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-node {
        left: -28px;
        width: 16px;
        height: 16px;
    }

    .bauhaus-button-primary,
    .bauhaus-button-secondary {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* Hide geometric decorations on mobile */
    .bauhaus-decoration {
        display: none;
    }
}

/* Focus States for Accessibility */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--bauhaus-blue);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .bauhaus-decoration,
    nav,
    .animate-bounce-slow {
        display: none;
    }

    .bauhaus-card {
        box-shadow: none;
        border: 1px solid var(--bauhaus-black);
    }
}