/* =========================================================
   VARIABLES
========================================================= */

:root {
    --bg: #07070b;
    --bg-soft: #0d0d14;
    --card: rgba(18, 18, 28, 0.72);
    --card-hover: rgba(25, 25, 38, 0.9);

    --white: #f5f7ff;
    --text: #b8bbca;
    --muted: #707385;

    --cyan: #49e0d6;
    --blue: #6d7cff;
    --purple: #a855f7;
    --pink: #ff5fae;

    --border: rgba(255, 255, 255, 0.09);

    --font-display: "Bricolage Grotesque", sans-serif;
    --font-body: "Space Grotesk", sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    --radius: 24px;
    --transition: cubic-bezier(.22, 1, .36, 1);
}


/* =========================================================
   RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;

    background:
        radial-gradient(
            circle at 50% -20%,
            rgba(73, 224, 214, 0.10),
            transparent 35%
        ),
        var(--bg);

    color: var(--white);

    font-family: var(--font-body);

    overflow-x: hidden;
}

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

button {
    font: inherit;
}

::selection {
    background: var(--cyan);
    color: #050507;
}


/* =========================================================
   BACKGROUND
========================================================= */

.background {
    position: fixed;
    inset: 0;

    z-index: -1;

    overflow: hidden;

    pointer-events: none;
}


/* grille */

.background-grid {
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(
            rgba(255, 255, 255, 0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.035) 1px,
            transparent 1px
        );

    background-size: 70px 70px;

    mask-image: linear-gradient(
        to bottom,
        black,
        transparent 90%
    );

    opacity: .35;
}


/* halo */

.background-glow {
    position: absolute;

    width: 700px;
    height: 700px;

    left: 50%;
    top: -350px;

    transform: translateX(-50%);

    background:
        radial-gradient(
            circle,
            rgba(73, 224, 214, .14),
            rgba(168, 85, 247, .08),
            transparent 70%
        );

    filter: blur(40px);
}

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

.navbar {
    position: fixed;

    top: 25px;
    left: 50%;

    transform: translateX(-50%);

    width: min(1200px, calc(100% - 40px));

    height: 64px;

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

    padding: 8px 10px 8px 20px;

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

    border-radius: 999px;

    background: rgba(10, 10, 16, .68);

    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);

    z-index: 100;

    box-shadow:
        0 20px 60px rgba(0, 0, 0, .25),
        inset 0 1px rgba(255, 255, 255, .04);
}


/* logo */

.logo {
    width: 40px;
    height: 40px;

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

    flex-shrink: 0;

    border-radius: 50%;

    overflow: hidden;

    transition:
        transform .3s var(--ease),
        box-shadow .3s var(--ease);
}

.logo img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
}

.logo:hover {
    transform: rotate(-8deg) scale(1.08);

    box-shadow:
        0 0 25px rgba(73, 224, 214, .25);
}


/* navigation */

.navigation {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link {
    position: relative;

    padding: 11px 17px;

    color: var(--muted);

    font-family: var(--font-mono);
    font-size: .68rem;

    text-transform: uppercase;
    letter-spacing: .1em;

    border-radius: 999px;

    transition:
        color .3s var(--transition),
        background .3s var(--transition);
}

.nav-link:hover {
    color: var(--white);

    background: rgba(255, 255, 255, .05);
}

.nav-link.active {
    color: #050507;

    background: var(--white);
}


/* bouton navbar */

.nav-button {
    padding: 12px 19px;

    border-radius: 999px;

    background: var(--cyan);

    color: #050507;

    font-family: var(--font-mono);

    font-size: .67rem;
    font-weight: 600;

    text-transform: uppercase;
    letter-spacing: .06em;

    transition: .3s var(--transition);
}

.nav-button:hover {
    transform: translateY(-2px);

    box-shadow:
        0 8px 25px rgba(73, 224, 214, .25);
}


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

.hero {
    position: relative;

    min-height: 100vh;

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

    padding:
        160px 30px
        100px;

    text-align: center;
}


.hero-content {
    max-width: 1000px;

    animation: heroIn 1s var(--transition) both;
}


@keyframes heroIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* petit texte */

.hero-label {
    margin-bottom: 25px;

    color: var(--cyan);

    font-family: var(--font-mono);

    font-size: .7rem;

    letter-spacing: .25em;
}


/* gros nom */

.hero-title {
    font-family: var(--font-display);

    font-size: clamp(
        5rem,
        15vw,
        13rem
    );

    font-weight: 800;

    line-height: .8;

    letter-spacing: -.06em;

    background:
        linear-gradient(
            110deg,
            #ffffff 20%,
            #ffffff 45%,
            var(--cyan) 68%,
            var(--purple) 100%
        );

    -webkit-background-clip: text;
    background-clip: text;

    color: transparent;

    filter:
        drop-shadow(
            0 0 40px rgba(73, 224, 214, .08)
        );
}


.hero-title span {
    color: var(--pink);
}


/* description */

.hero-description {
    max-width: 600px;

    margin: 40px auto 0;

    color: var(--text);

    font-size: 1.05rem;

    line-height: 1.7;
}


/* boutons */

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;

    margin-top: 35px;
}


/* bouton général */

.button {
    display: inline-flex;

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

    min-height: 50px;

    padding: 0 23px;

    border-radius: 999px;

    font-family: var(--font-mono);

    font-size: .7rem;

    letter-spacing: .07em;

    text-transform: uppercase;

    transition: .3s var(--transition);
}


/* primaire */

.button-primary {
    background: var(--white);

    color: #07070b;
}

.button-primary:hover {
    transform: translateY(-4px);

    box-shadow:
        0 15px 35px rgba(255,255,255,.12);
}


/* secondaire */

.button-secondary {
    border: 1px solid var(--border);

    background: rgba(255,255,255,.03);

    color: var(--white);
}

.button-secondary:hover {
    border-color: var(--cyan);

    color: var(--cyan);

    transform: translateY(-4px);
}


/* statut */

.hero-side {
    position: absolute;

    left: 40px;
    bottom: 55px;
}

.status {
    display: flex;
    align-items: center;
    gap: 10px;

    color: var(--muted);

    font-family: var(--font-mono);

    font-size: .62rem;
}


.status-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #63ff9a;

    box-shadow:
        0 0 15px #63ff9a;

    animation: pulse 2s infinite;
}


@keyframes pulse {
    50% {
        opacity: .4;
        transform: scale(.7);
    }
}


/* scroll */

.scroll-indicator {
    position: absolute;

    bottom: 40px;
    left: 50%;

    transform: translateX(-50%);

    display: flex;
    align-items: center;
    gap: 12px;

    color: var(--muted);

    font-family: var(--font-mono);

    font-size: .55rem;

    letter-spacing: .15em;
}

.scroll-line {
    width: 45px;
    height: 1px;

    background: var(--muted);
}


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

.section {
    position: relative;

    padding: 130px 0;
}


.container {
    width: min(
        1150px,
        calc(100% - 56px)
    );

    margin: auto;
}


/* header section */

.section-header {
    display: flex;
    align-items: flex-start;

    gap: 25px;

    margin-bottom: 55px;
}


.section-number {
    color: var(--cyan);

    font-family: var(--font-mono);

    font-size: .7rem;

    padding-top: 8px;
}


.section-label {
    margin-bottom: 10px;

    color: var(--cyan);

    font-family: var(--font-mono);

    font-size: .65rem;

    letter-spacing: .2em;

    text-transform: uppercase;
}


.section-header h2 {
    font-family: var(--font-display);

    font-size: clamp(
        2.8rem,
        6vw,
        5rem
    );

    line-height: .9;

    letter-spacing: -.04em;
}


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

.projects-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 18px;
}


.project-card {
    position: relative;

    min-height: 390px;

    padding: 30px;

    display: flex;
    flex-direction: column;

    justify-content: space-between;

    overflow: hidden;

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

    border-radius: var(--radius);

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.055),
            rgba(255,255,255,.015)
        );

    transition:
        transform .45s var(--transition),
        border-color .45s var(--transition),
        background .45s var(--transition);
}


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

    position: absolute;

    width: 250px;
    height: 250px;

    top: -120px;
    right: -100px;

    background:
        radial-gradient(
            circle,
            rgba(73,224,214,.16),
            transparent 70%
        );

    opacity: 0;

    transition: .45s var(--transition);
}


.project-card:hover {
    transform: translateY(-10px);

    border-color:
        rgba(73,224,214,.4);

    background: var(--card-hover);
}


.project-card:hover::before {
    opacity: 1;
}


.project-number {
    color: var(--muted);

    font-family: var(--font-mono);

    font-size: .65rem;
}


.project-content {
    position: relative;
    z-index: 1;
}


.project-type {
    color: var(--cyan);

    font-family: var(--font-mono);

    font-size: .6rem;

    letter-spacing: .15em;
}


.project-card h3 {
    margin: 10px 0 15px;

    font-family: var(--font-display);

    font-size: 2.3rem;

    letter-spacing: -.04em;
}


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

    line-height: 1.6;

    font-size: .9rem;
}


.project-tags {
    display: flex;

    flex-wrap: wrap;

    gap: 7px;

    margin-top: 20px;
}


.project-tags span {
    padding: 6px 9px;

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

    border-radius: 999px;

    color: var(--muted);

    font-family: var(--font-mono);

    font-size: .58rem;
}


.project-link {
    color: var(--white);

    font-family: var(--font-mono);

    font-size: .65rem;

    transition: .25s;
}


.project-link:hover {
    color: var(--cyan);

    transform: translateX(5px);
}


/* =========================================================
   COMPÉTENCES
========================================================= */

.skills {
    background:
        linear-gradient(
            to bottom,
            transparent,
            rgba(255,255,255,.015),
            transparent
        );
}


.skills-grid {
    display: grid;

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

    gap: 18px;
}


.skill-card {
    position: relative;

    padding: 35px;

    min-height: 290px;

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

    border-radius: var(--radius);

    background: var(--card);

    transition: .4s var(--transition);
}


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

    border-color:
        rgba(168,85,247,.4);
}


.skill-index {
    color: var(--purple);

    font-family: var(--font-mono);

    font-size: .65rem;
}


.skill-card h3 {
    margin-top: 40px;

    font-family: var(--font-display);

    font-size: 1.8rem;
}


.skill-card p {
    max-width: 500px;

    margin-top: 12px;

    color: var(--text);

    line-height: 1.6;
}


.skill-list {
    display: flex;

    flex-wrap: wrap;

    gap: 7px;

    margin-top: 25px;
}


.skill-list span {
    padding: 7px 11px;

    border-radius: 999px;

    background: rgba(255,255,255,.05);

    color: var(--text);

    font-family: var(--font-mono);

    font-size: .58rem;
}


/* =========================================================
   CV
========================================================= */

.cv-layout {
    display: grid;

    grid-template-columns:
        .85fr 1.15fr;

    gap: 70px;

    padding: 50px;

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

    border-radius: var(--radius);

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.045),
            rgba(255,255,255,.015)
        );
}


.cv-title {
    color: var(--cyan);

    font-family: var(--font-mono);

    font-size: .7rem;

    letter-spacing: .15em;

    text-transform: uppercase;
}


.cv-introduction h3 {
    margin-top: 15px;

    font-family: var(--font-display);

    font-size: 2rem;

    line-height: 1.1;
}


.cv-introduction > p:not(.cv-title) {
    margin: 20px 0 30px;

    color: var(--text);

    line-height: 1.7;
}


.cv-timeline {
    border-left: 1px solid var(--border);

    padding-left: 30px;
}


.timeline-item {
    position: relative;

    display: grid;

    grid-template-columns: 100px 1fr;

    gap: 20px;

    padding-bottom: 35px;
}


.timeline-item:last-child {
    padding-bottom: 0;
}


.timeline-item::before {
    content: "";

    position: absolute;

    left: -35px;
    top: 4px;

    width: 9px;
    height: 9px;

    border-radius: 50%;

    background: var(--cyan);

    box-shadow:
        0 0 15px rgba(73,224,214,.7);
}


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

    font-family: var(--font-mono);

    font-size: .62rem;
}


.timeline-item h3 {
    font-family: var(--font-display);

    font-size: 1rem;
}


.timeline-item p {
    margin-top: 7px;

    color: var(--text);

    font-size: .85rem;

    line-height: 1.55;
}


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

.contact {
    padding-bottom: 160px;
}


.contact-box {
    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 80px;

    padding: 70px;

    border-radius: 32px;

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

    background:
        radial-gradient(
            circle at 10% 20%,
            rgba(73,224,214,.09),
            transparent 35%
        ),
        radial-gradient(
            circle at 90% 80%,
            rgba(168,85,247,.09),
            transparent 35%
        ),
        rgba(15,15,23,.8);
}


.contact-box h2 {
    font-family: var(--font-display);

    font-size: clamp(
        3rem,
        5vw,
        5rem
    );

    line-height: .9;

    letter-spacing: -.05em;
}


.contact-description {
    max-width: 500px;

    margin-top: 25px;

    color: var(--text);

    line-height: 1.7;
}


.contact-links {
    display: flex;

    flex-direction: column;

    justify-content: center;
}


.contact-link {
    display: grid;

    grid-template-columns:
        80px 1fr 20px;

    align-items: center;

    gap: 15px;

    padding: 20px 0;

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

    transition: .3s;
}


.contact-link:first-child {
    border-top: 1px solid var(--border);
}


.contact-link span:first-child {
    color: var(--muted);

    font-family: var(--font-mono);

    font-size: .58rem;

    letter-spacing: .1em;
}


.contact-link strong {
    font-size: .85rem;

    font-weight: 500;
}


.contact-link span:last-child {
    color: var(--cyan);

    transition: .3s;
}


.contact-link:hover {
    padding-left: 10px;

    color: var(--cyan);
}


.contact-link:hover span:last-child {
    transform: translateX(5px);
}


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

.footer {
    padding: 30px 28px 45px;

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


.footer-content {
    width: min(
        1150px,
        100%
    );

    margin: auto;

    display: flex;

    justify-content: space-between;

    color: var(--muted);

    font-family: var(--font-mono);

    font-size: .55rem;

    letter-spacing: .12em;
}


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

@media (max-width: 900px) {

    .navigation {
        display: none;
    }

    .navbar {
        padding-right: 10px;
    }

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

    .project-card:last-child {
        grid-column: span 2;
    }

    .cv-layout {
        grid-template-columns: 1fr;

        gap: 50px;
    }

    .contact-box {
        grid-template-columns: 1fr;

        gap: 50px;

        padding: 45px;
    }

}


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

@media (max-width: 600px) {

    .navbar {
        top: 15px;

        width:
            calc(100% - 25px);

        height: 58px;
    }

    .nav-button {
        padding: 10px 14px;

        font-size: .58rem;
    }


    .hero {
        padding:
            130px 20px
            80px;
    }


    .hero-title {
        font-size:
            clamp(4rem, 22vw, 7rem);
    }


    .hero-description {
        font-size: .9rem;
    }


    .hero-buttons {
        flex-direction: column;

        width: 100%;
        max-width: 280px;

        margin-left: auto;
        margin-right: auto;
    }


    .button {
        width: 100%;
    }


    .hero-side {
        left: 20px;
        bottom: 25px;
    }


    .scroll-indicator {
        display: none;
    }


    .section {
        padding: 90px 0;
    }


    .container {
        width:
            calc(100% - 35px);
    }


    .section-header {
        gap: 15px;

        margin-bottom: 35px;
    }


    .section-header h2 {
        font-size: 3rem;
    }


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


    .project-card:last-child {
        grid-column: auto;
    }


    .project-card {
        min-height: 350px;

        padding: 25px;
    }


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


    .skill-card {
        min-height: auto;

        padding: 28px;
    }


    .cv-layout {
        padding: 25px;
    }


    .cv-introduction h3 {
        font-size: 1.6rem;
    }


    .timeline-item {
        grid-template-columns: 1fr;

        gap: 7px;
    }


    .contact-box {
        padding: 30px 25px;
    }


    .contact-box h2 {
        font-size: 3.2rem;
    }


    .contact-link {
        grid-template-columns:
            65px 1fr 15px;

        gap: 8px;
    }


    .contact-link strong {
        font-size: .72rem;

        overflow-wrap: anywhere;
    }


    .footer-content {
        flex-direction: column;

        align-items: center;

        gap: 10px;
    }

}


/* =========================================================
   ACCESSIBILITÉ
========================================================= */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;

        animation-duration: .01ms !important;

        animation-iteration-count: 1 !important;

        transition-duration: .01ms !important;
    }

}