:root {
  --primary-gradient: linear-gradient(45deg, #00d4ff, #0099cc);
  --secondary-gradient: linear-gradient(45deg, #ff6b9d, #ff8e8e);
  --bg-dark: #0f0f14;
  --bg-light: #f8f9fa;
  --text-dark: #333;
  --text-light: #fff;
  --glass-dark: rgba(255,255,255,0.05);
  --glass-light: rgba(0,0,0,0.05);
  --shadow: 0 20px 60px rgba(0,0,0,0.3);
  --border-radius: 20px;
}

[data-theme="dark"] {
  --bg-hero: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 50%, #16213e 100%);
  --glass: var(--glass-dark);
  --text: var(--text-light);
  --text-secondary: #ccc;
}

[data-theme="light"] {
  --bg-hero: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
  --glass: var(--glass-light);
  --text: var(--text-dark);
  --text-secondary: #666;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 20, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav__logo h2 {
    color: #00d4ff;
    font-size: 1.5rem;
}

.nav__links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__links a {
    color: white;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s;
}

.nav__links a:hover {
    color: #00d4ff;
}

.nav__mobile {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav__mobile span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero */
.hero {
    min-height: 60vh;
    background: linear-gradient(135deg, #0f0f14 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero--compact {
    min-height: 40vh;
}

.hero__container {
    max-width: 800px;
}

.hero__title {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #00d4ff, #ff6b9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.hero__photo {
    display: flex;
    justify-content: center;
}

.hero__photo img {
    width: 100%;
    max-width: 350px;
    height: 350px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    border: 5px solid rgba(0,212,255,0.2);
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn--primary {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.btn--secondary {
    background: transparent;
    color: white;
    border: 2px solid #00d4ff;
}

.btn--secondary:hover {
    background: #00d4ff;
    transform: translateY(-3px);
}

.btn--small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn--large {
    padding: 18px 50px;
    font-size: 1.2rem;
    font-weight: 700;
}

/* Filter Buttons Projets */
.projects__filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 4rem auto;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.filter-btn.active {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0,212,255,0.5);
}

.projects-page .project__card {
    margin-bottom: 2rem;
}

.projects-page .project__icon {
    display: none;
}

.project__type {
    background: rgba(0,212,255,0.2);
    color: #00d4ff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project__tech {
    margin: 1rem 0;
}

.project__tech span {
    background: rgba(255,255,255,0.2);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
    margin-top: 5rem;
    padding: 4rem 0;
}

.stat h3 {
    font-size: 3rem;
    background: linear-gradient(45deg, #00d4ff, #ff6b9d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .projects__filter {
        flex-direction: column;
        align-items: center;
    }
}

/* Sections */
section {
    padding: 100px 0;
}

.section__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: 4rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

/* About */
.about {
    background: #f8f9fa;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.skills__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .skills__grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

.skill {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.skill:hover {
    transform: translateY(-10px);
}

.skill h3 {
    color: #00d4ff;
    margin-bottom: 0.5rem;
}

/* Projects */
.projects {
    background: #0f0f14;
    color: white;
}

.projects-preview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 0;
}

.section-footer {
    text-align: center;
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
}

.project__card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255,255,255,0.2);
    height: 100%;
}

.project__card:hover {
    transform: translateY(-20px) scale(1.02);
    box-shadow: var(--shadow);
}

.project__img {
    height: 250px;
    overflow: hidden;
}

.project__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

/* .project__card:hover .project__img img {
    transform: scale(1.1);
} */

.project__content {
    padding: 2rem;
}

.project__content h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.project__content p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-weight: 400;
}

.tech-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tech {
    background: rgba(255,255,255,0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: white;
}

.project__btns {
    display: flex;
    gap: 1rem;
}

.project__card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.project__card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.1);
}

/* Contact Page Styles */
.hero--contact {
    min-height: 50vh;
}

.contact-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, white 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-info p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: rgba(255,255,255,0.5);
    border-radius: var(--border-radius);
    transition: transform 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.5rem;
    color: #00d4ff;
    width: 40px;
    text-align: center;
}

.contact-item a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--glass-light);
    border: 2px solid rgba(0,212,255,0.2);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: all 0.3s;
}

.social-btn:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: #00d4ff;
    transform: translateY(-5px);
}

.social-btn i {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
    background: rgba(255,255,255,0.8);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 4px rgba(0,212,255,0.1);
    transform: translateY(-2px);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-section {
        padding: 80px 0;
    }
    
    .contact-form {
        padding: 2rem;
    }
}

/* Footer */
.footer {
    background: #0f0f14;
    color: white;
    text-align: center;
    padding: 2rem;
}

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

.footer__social a {
    color: #ccc;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer__social a:hover {
    color: #00d4ff;
    background: rgba(0,212,255,0.1);
    transform: translateY(-3px);
}

/* Skills Pro */
.skill__icon {
    font-size: 3rem;
    color: #00d4ff;
    margin-bottom: 1rem;
    display: block;
    text-align: center;
}

.progress__container {
    margin: 1rem 0 0.5rem;
}

.progress__label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #555;
}

.progress__bar {
    height: 10px;
    background: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.progress__fill {
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #0099cc);
    width: 0%;
    border-radius: 5px;
    transition: width 2s ease-in-out;
}

.skill small {
    color: #666;
    font-style: italic;
    text-align: center;
    display: block;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav__links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0f0f14;
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }

    .nav__links.active {
        display: flex;
    }

    .nav__mobile {
        display: flex;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero__btns {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    section {
        padding: 60px 0;
    }
}

/* Modal Popup PRO - Glassmorphism */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 15, 20, 0.8);
    backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2.5rem;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: scale(0.7) translateY(30px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    animation: modalSlideIn 0.4s ease forwards;
}

@keyframes modalSlideIn {
    to {
        transform: scale(1) translateY(0);
    }
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal__header {
    text-align: center;
    margin-bottom: 1.8rem;
}

.modal__icon {
    font-size: 3.5rem;
    background: linear-gradient(45deg, #00d4ff, #ff6b9d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.8rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.modal__title {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(45deg, #0f0f14, #333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
}

.modal__summary {
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    padding: 1.8rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(10px);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.summary-label {
    font-weight: 600;
    color: #666;
}

.summary-value {
    color: #00d4ff;
    font-weight: 700;
    background: rgba(0, 212, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.95rem;
}

.modal__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal__btn {
    flex: 1;
    padding: 14px 24px;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.modal__btn--confirm {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.modal__btn--cancel {
    background: transparent;
    color: #999;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.modal__btn:hover {
    transform: translateY(-3px);
}

.modal__btn--confirm:hover {
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.4);
}

.modal__close {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    font-size: 1.8rem;
    color: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal__close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #00d4ff;
    transform: rotate(90deg);
}

@media (max-width: 480px) {
    .modal {
        padding: 2rem;
        margin: 1rem;
    }
    
    .modal__buttons {
        flex-direction: column;
    }
    
    .summary-row {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}