/* =========================================
   1. COLOURS AND GLOBAL SETTINGS
   ========================================= */

:root {
    --background: #191C1B;
    --surface: #292E2B;
    --dark-surface: #111413;

    --text: #F1EEE8;
    --muted: #B9BDB8;
    --light-text: #F7F5F0;

    --accent: #C74747;
    --border: #414743;

    --page-width: 1120px;
    --page-gutter: 7%;
    --header-height: 82px;
    --header-compact-height: 62px;

    --radius: 8px;
    --section-spacing: 110px;
    --transition: 250ms ease;
}


/* Makes sizing more predictable */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-compact-height) + 20px);
}

body {
    margin: 0;
    background-color: var(--background);
    color: var(--text);

    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.7;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 5px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

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


/* =========================================
   2. STICKY NAVIGATION
   ========================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    width: 100%;
    min-height: var(--header-height);

    background-color: var(--dark-surface);
    border-bottom: 1px solid transparent;

    transition:
        min-height var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.site-header.header--compact {
    min-height: var(--header-compact-height);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 16px rgb(0 0 0 / 12%);
}

.navigation {
    width: calc(100% - 2 * var(--page-gutter));
    max-width: var(--page-width);
    min-height: var(--header-height);

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    transition: min-height var(--transition);
}

.header--compact .navigation {
    min-height: var(--header-compact-height);
}

.logo {
    flex-shrink: 0;

    color: var(--light-text);
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.04em;

    transition: font-size var(--transition);
}

.header--compact .logo {
    font-size: 1rem;
}

.logo span,
.hero h1 span,
.section-heading h2 span,
.contact-section h2 span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    color: var(--muted);
    font-size: 0.9rem;

    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--light-text);
}


/* =========================================
   3. MAIN PAGE WIDTH
   ========================================= */

main {
    width: 100%;
}

.hero,
.content-section,
.contact-section {
    width: calc(100% - 2 * var(--page-gutter));
    max-width: var(--page-width);
    margin-left: auto;
    margin-right: auto;
}


/* =========================================
   4. INTRODUCTION / HERO
   ========================================= */

.hero {
    min-height: min(680px, calc(100svh - var(--header-height)));

    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: clamp(40px, 7vw, 90px);

    padding-top: 64px;
    padding-bottom: 80px;
}

.hero-content {
    max-width: 650px;
}

.eyebrow {
    margin-bottom: 18px;

    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
}

.hero h1 {
    margin-bottom: 12px;

    color: var(--light-text);
    font-size: clamp(2.8rem, 6vw, 5.2rem);
    letter-spacing: -0.055em;
    overflow-wrap: anywhere;
}

.hero h2 {
    margin-bottom: 22px;

    color: var(--muted);
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    font-weight: 400;
}

.hero-description {
    max-width: 540px;
    margin-bottom: 24px;

    color: var(--muted);
    font-size: 1rem;
}

.specialties {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;

    margin-bottom: 32px;
}

.specialties span {
    padding: 6px 12px;

    border: 1px solid var(--border);
    border-radius: 4px;

    color: var(--text);
    font-size: 0.8rem;
}


/* =========================================
   5. BUTTONS
   ========================================= */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;

    padding: 12px 20px;

    background-color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);

    color: white;
    font-size: 0.9rem;
    font-weight: 700;

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

.button:hover {
    background-color: #A93636;
    border-color: #A93636;
    transform: translateY(-2px);
}

.button-outline {
    background-color: transparent;
    border-color: var(--border);
    color: var(--light-text);
}

.button-outline:hover {
    background-color: var(--surface);
    border-color: var(--accent);
}


/* =========================================
   6. PHOTO / PORTRAIT
   ========================================= */

.portrait-container {
    width: 100%;
    max-width: 390px;
    justify-self: end;
}

.portrait-placeholder {
    position: relative;
    overflow: hidden;

    width: 100%;
    aspect-ratio: 4 / 5;

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

    background:
        linear-gradient(
            145deg,
            var(--surface),
            var(--dark-surface)
        );

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

.portrait-placeholder::before {
    content: "";
    position: absolute;

    width: 75%;
    aspect-ratio: 1;

    border: 1px solid var(--border);
    border-radius: 50%;
}

.portrait-placeholder span,
.portrait-placeholder p {
    position: relative;
    z-index: 1;
}

.portrait-placeholder span {
    color: var(--light-text);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.portrait-placeholder p {
    margin-top: 8px;
    margin-bottom: 0;

    color: var(--muted);
    font-size: 0.8rem;
}

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

    margin-top: 14px;

    color: var(--muted);
    font-size: 0.75rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    flex-shrink: 0;

    background-color: var(--accent);
    border-radius: 50%;
}


/* =========================================
   7. GENERAL SECTIONS
   ========================================= */

.content-section {
    padding-top: var(--section-spacing);
    padding-bottom: var(--section-spacing);

    border-top: 1px solid var(--border);
    scroll-margin-top: calc(var(--header-compact-height) + 20px);
}

.section-heading {
    max-width: 700px;
    margin-bottom: 42px;
}

.section-heading .eyebrow {
    margin-bottom: 12px;
}

.section-heading h2 {
    margin-bottom: 16px;

    color: var(--light-text);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.035em;
}

.section-heading > p:last-child {
    color: var(--muted);
}


/* =========================================
   8. PROJECT CARDS
   ========================================= */

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.project-card {
    overflow: hidden;

    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);

    transition:
        transform var(--transition),
        border-color var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.project-visual {
    min-height: 210px;
    aspect-ratio: 16 / 9;

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

    background:
        linear-gradient(
            135deg,
            #303632,
            #1B201D
        );

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

.project-visual span {
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.project-visual p {
    margin-top: 10px;
    margin-bottom: 0;

    color: var(--muted);
    font-size: 0.85rem;
}

.project-info {
    padding: 26px;
}

.project-type {
    margin-bottom: 10px;

    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.project-info h3 {
    margin-bottom: 12px;

    color: var(--light-text);
    font-size: 1.35rem;
}

.project-info > p:not(.project-type) {
    color: var(--muted);
    font-size: 0.92rem;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    margin-top: 8px;

    color: var(--light-text);
    font-size: 0.9rem;
    font-weight: 700;

    transition: color var(--transition);
}

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


/* =========================================
   9. ABOUT
   ========================================= */

.about-section {
    background-color: var(--dark-surface);

    width: 100%;
    max-width: none;

    padding-left: max(
        var(--page-gutter),
        calc((100% - var(--page-width)) / 2)
    );

    padding-right: max(
        var(--page-gutter),
        calc((100% - var(--page-width)) / 2)
    );
}

.about-content {
    max-width: 760px;
}

.about-content p {
    color: var(--muted);
    font-size: 1.05rem;
}


/* =========================================
   10. SKILLS
   ========================================= */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.skill-group {
    padding: 24px;

    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.skill-group h3 {
    margin-bottom: 10px;

    color: var(--light-text);
    font-size: 1.05rem;
}

.skill-group p {
    margin-bottom: 0;

    color: var(--muted);
    font-size: 0.9rem;
}


/* =========================================
   11. CONTACT
   ========================================= */

.contact-section {
    padding-top: var(--section-spacing);
    padding-bottom: var(--section-spacing);

    text-align: center;
    scroll-margin-top: calc(var(--header-compact-height) + 20px);
}

.contact-section h2 {
    margin-bottom: 18px;

    color: var(--light-text);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.035em;
}

.contact-section > p:not(.eyebrow) {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;

    color: var(--muted);
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}


/* =========================================
   12. FOOTER
   ========================================= */

.site-footer {
    min-height: 80px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;

    padding: 20px var(--page-gutter);

    background-color: var(--dark-surface);
    border-top: 1px solid var(--border);
}

.site-footer p {
    margin-bottom: 0;

    color: var(--muted);
    font-size: 0.8rem;
}

.site-footer a {
    color: var(--light-text);
    font-size: 0.8rem;

    transition: color var(--transition);
}

.site-footer a:hover {
    color: var(--accent);
}


/* =========================================
   13. RESPONSIVE LAYOUT
   ========================================= */

@media (max-width: 760px) {

    :root {
        --page-gutter: 6%;
        --section-spacing: 76px;
    }

    .navigation {
        gap: 16px;
    }

    .nav-links {
        gap: 14px;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .hero {
        min-height: auto;

        grid-template-columns: 1fr;
        gap: 38px;

        padding-top: 56px;
        padding-bottom: 70px;
    }

    .hero-content {
        max-width: 100%;
    }

    .portrait-container {
        max-width: 320px;
        justify-self: start;
    }

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

    .about-section {
        padding-left: var(--page-gutter);
        padding-right: var(--page-gutter);
    }
}


@media (max-width: 480px) {

    :root {
        --header-height: 74px;
        --header-compact-height: 58px;
    }

    .navigation {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0;
        padding: 10px 0;
    }

    .logo {
        width: 100%;
        text-align: center;
        font-size: 1rem;
    }

    .nav-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 5px 16px;
    }

    .nav-links a {
        font-size: 0.76rem;
    }

    .header--compact .navigation {
        padding: 6px 0;
    }

    .header--compact .logo {
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 12vw, 3.5rem);
    }

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

    .project-info {
        padding: 20px;
    }

    .site-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}


/* Respect visitors who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {

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


/* =========================================
   SOCIAL LINKS UNDER THE PORTRAIT
   ========================================= */

.social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;

    margin-top: 18px;
}

.social-links a {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;

    transition: color var(--transition);
}

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

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

    margin-bottom: 26px;

    color: var(--muted);
    font-size: 0.85rem;
}


/* =========================================
   CLICKABLE PROJECT CARDS
   ========================================= */

.project-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.project-card-link:focus-visible,
.experience-card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 5px;
}


/* =========================================
   EXPERIENCE CARDS
   ========================================= */

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.experience-card {
    display: block;
    overflow: hidden;

    color: inherit;
    text-decoration: none;

    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);

    transition:
        transform var(--transition),
        border-color var(--transition);
}

.experience-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.experience-visual {
    min-height: 190px;
    aspect-ratio: 16 / 7;

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

    background:
        linear-gradient(
            135deg,
            #303632,
            #1B201D
        );

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

.experience-visual span {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.experience-info {
    padding: 24px;
}

.experience-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;

    margin-bottom: 14px;

    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.07em;
}

.experience-info h3 {
    margin-bottom: 12px;

    color: var(--light-text);
    font-size: 1.25rem;
}

.experience-info p {
    color: var(--muted);
    font-size: 0.9rem;
}


/* =========================================
   RESPONSIVE EXPERIENCE LAYOUT
   ========================================= */

@media (max-width: 760px) {
    .experience-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .social-links {
        justify-content: flex-start;
        gap: 18px;
    }

    .experience-info {
        padding: 20px;
    }
}


/* ABOUT ME LAYOUT */

.about-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 45px;
}

.about-content {
    min-width: 0;
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-resume {
    margin-top: 28px;
}

/* PHOTO COLLAGE */

.about-collage {
    position: relative;
    width: 100%;
    max-width: 440px;
    height: 440px;
    margin: 0 auto;
}

.about-photo {
    position: absolute;
    width: 57%;
    height: 58%;
    overflow: hidden;
    border: 4px solid var(--text);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition);
}

.about-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ENGINEERING PHOTO */
.about-photo--engineering {
    top: 22%;
    left: 1%;
    z-index: 3;
    transform: rotate(-6deg);
}

/* OUTDOORS PHOTO */
.about-photo--outdoors {
    top: 2%;
    right: 1%;
    z-index: 2;
    transform: rotate(6deg);
}

/* PERSONAL PHOTO */
.about-photo--personal {
    bottom: 2%;
    right: 2%;
    z-index: 1;
    transform: rotate(-3deg);
}

/* PHOTO HOVER EFFECTS */
@media (hover: hover) {
    .about-photo--engineering:hover {
        transform: rotate(-2deg) scale(1.04);
        z-index: 5;
    }

    .about-photo--outdoors:hover {
        transform: rotate(2deg) scale(1.04);
        z-index: 5;
    }

    .about-photo--personal:hover {
        transform: rotate(0deg) scale(1.04);
        z-index: 5;
    }
}


.about-photo {
    position: absolute;
    width: 55%;
    height: 58%;
    overflow: hidden;
    border: 4px solid var(--text);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition);
}

/* ENGINEERING PHOTO */
.about-photo--engineering {
    top: 22%;
    left: 0%;
    z-index: 3;
    transform: rotate(-6deg);
}

/* OUTDOORS PHOTO */
.about-photo--outdoors {
    top: 0%;
    right: 0%;
    z-index: 2;
    transform: rotate(6deg);
}

/* PERSONAL PHOTO */
.about-photo--personal {
    bottom: 0%;
    right: 0%;
    z-index: 1;
    transform: rotate(-3deg);
}


/* STACK ABOUT ME CONTENT ON MOBILE */
@media (max-width: 900px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-content {
        width: 100%;
    }

    .about-collage {
        width: 100%;
        max-width: 390px;
        height: 380px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .about-collage {
        max-width: 320px;
        height: 320px;
    }

    .about-photo {
        width: 55%;
        height: 59%;
        border-width: 3px;
    }
}