/* =========================================================
   Mohcine — portfolio styles
   Direction: a page that reads like a terminal session.
   Paper background, ink text, one brick accent, one pine accent.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --paper: #EDEEE9;
    --paper-raised: #F5F5F1;
    --ink: #1B1D16;
    --ink-soft: #55584C;
    --hairline: #D8D6CC;
    --brick: #B5502A;
    --pine: #3F5D54;

    --font-display: 'Fraunces', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --max-w: 880px;
    --gap: clamp(1.25rem, 3vw, 2rem);

    color-scheme: light;
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image:
        linear-gradient(var(--hairline) 1px, transparent 1px);
    background-size: 100% 44px;
    background-attachment: local;
}

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

::selection {
    background: var(--brick);
    color: var(--paper);
}

:focus-visible {
    outline: 2px solid var(--brick);
    outline-offset: 3px;
}

img {
    max-width: 100%;
    display: block;
}

/* ---------- layout shell ---------- */

section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 5.5rem 1.5rem;
}

.divider {
    max-width: var(--max-w);
    margin: 0 auto;
    height: 1px;
    background: var(--hairline);
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--pine);
    letter-spacing: 0.02em;
    margin-bottom: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pine);
    flex-shrink: 0;
}

/* ---------- header / nav ---------- */

header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(237, 238, 233, 0.86);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--hairline);
}

nav {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1.1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav .left a {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    border: 1px solid var(--ink);
    padding: 0.25rem 0.55rem;
    border-radius: 3px;
}

nav .right {
    display: flex;
    gap: 1.75rem;
}

nav .right a {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--ink-soft);
    position: relative;
    padding-bottom: 2px;
    transition: color 0.2s ease;
}

nav .right a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 1px;
    background: var(--brick);
    transition: width 0.25s ease;
}

nav .right a:hover,
nav .right a.active {
    color: var(--ink);
}

nav .right a:hover::before,
nav .right a.active::before {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 20px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ---------- about / hero ---------- */

#about-section {
    padding-top: 4.5rem;
    padding-bottom: 4rem;
}

.terminal-prompt {
    font-family: var(--font-mono);
    font-size: clamp(0.95rem, 2.4vw, 1.05rem);
    color: var(--ink-soft);
    margin-bottom: 0.6rem;
}

.terminal-prompt .sigil {
    color: var(--pine);
}

.terminal-prompt .cmd {
    color: var(--ink);
}

.cursor {
    display: inline-block;
    width: 0.55em;
    height: 1.05em;
    background: var(--brick);
    margin-left: 0.15em;
    vertical-align: text-bottom;
    animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {

    0%,
    49% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

#about-section h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.1rem, 6vw, 3.1rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: 2.25rem;
}

.profile {
    width: 108px;
    height: 108px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--hairline);
    margin-bottom: 1.75rem;
}

.profile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(45%);
}

.bio p {
    max-width: 58ch;
    color: var(--ink-soft);
    font-size: 1.02rem;
}

.social-links {
    display: flex;
    gap: 0.9rem;
    margin-top: 2.25rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid var(--hairline);
    border-radius: 50%;
    color: var(--ink);
    transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
    border-color: var(--brick);
    color: var(--brick);
    transform: translateY(-2px);
}

/* ---------- projects ---------- */

.card-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.1rem;
}

.card {
    border: 1px solid var(--hairline);
    border-radius: 6px;
    background: var(--paper-raised);
    overflow: hidden;
    transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover,
.card:focus-within {
    border-color: var(--ink);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px -14px rgba(27, 29, 22, 0.35);
}

.card a {
    display: block;
    padding: 0;
}

.card picture {
    display: block;
    aspect-ratio: 15 / 10;
    overflow: hidden;
    background: var(--hairline);
    border-bottom: 1px solid var(--hairline);
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover img {
    transform: scale(1.045);
}

.card h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    padding: 1.1rem 1.1rem 0.15rem;
}

.card h5 {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--pine);
    padding: 0 1.1rem;
    letter-spacing: 0.01em;
}

.card h5 em {
    font-style: normal;
}

.card p {
    font-size: 0.9rem;
    color: var(--ink-soft);
    padding: 0.55rem 1.1rem 1.25rem;
}

/* ---------- skills ---------- */

.terminal-window {
    border: 1px solid var(--hairline);
    border-radius: 8px;
    background: var(--paper-raised);
    overflow: hidden;
}

.terminal-window .bar {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--hairline);
}

.terminal-window .bar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--hairline);
}

.terminal-window .bar .label {
    margin-left: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-soft);
}

.skills-container {
    padding: 1.5rem 1.5rem 1.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 0.7rem;
}

.skills-container i {
    font-size: 1.3rem;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--hairline);
    border-radius: 5px;
    color: var(--ink-soft);
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.skills-container i:hover {
    color: var(--brick);
    border-color: var(--brick);
    transform: translateY(-2px);
}

/* ---------- contact ---------- */

#contact-section {
    text-align: left;
}

#contact-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 4vw, 2.1rem);
    margin-bottom: 0.75rem;
}

#contact-section p {
    font-family: var(--font-mono);
    color: var(--ink-soft);
    font-size: 0.95rem;
}

#contact-section .contact-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.7rem 1.1rem;
    border: 1px solid var(--ink);
    border-radius: 4px;
    transition: background 0.2s ease, color 0.2s ease;
}

#contact-section .contact-cta:hover {
    background: var(--ink);
    color: var(--paper);
}

/* ---------- footer ---------- */

footer {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3.5rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-soft);
}

/* ---------- scroll reveal ---------- */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- responsive ---------- */

@media (max-width: 720px) {
    nav .right {
        position: fixed;
        top: 61px;
        right: 0;
        left: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0;
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    nav .right.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    nav .right a {
        padding: 0.9rem 1.5rem;
        border-bottom: 1px solid var(--hairline);
    }

    nav .right a:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }

    .card-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 460px) {
    section {
        padding: 4rem 1.25rem;
    }

    .profile {
        width: 88px;
        height: 88px;
    }
}

@media (min-width: 1200px) {
    :root {
        --max-w: 1000px;
    }

    body {
        font-size: 17.5px;
    }

    .profile {
        width: 128px;
        height: 128px;
    }

    .card h4 {
        font-size: 1.25rem;
    }
}