/* ============================================================
   style.css — Viola Sanyan Portfolio
   ============================================================ */

/* ============================================================
   DESIGN TOKENS
   All colours live here. The dark theme is the default; the
   [data-theme="light"] block below swaps them for light mode.
   To try a different accent, change --accent and --accent-rgb.
   ============================================================ */
:root {
    --bg:        #0c1322;   /* deep ink navy */
    --surface:   #121b2e;   /* cards */
    --surface-2: #18233a;   /* hovered cards */
    --text:      #f5f5f5;
    --text-2:    #eeeeee;   /* body text */
    --text-3:    #939fb6;   /* small/secondary text: still readable, just quieter */
    --border:    rgba(231, 235, 243, 0.08);

    --accent:     #ffab8a;          /* warm apricot */
    --accent-rgb: 255, 171, 138;    /* same colour as numbers, for transparent versions */
    --accent-2:   #9fd8cb;          /* soft sea-green, used only in the particles + blob */

    --font-head: "Bricolage Grotesque", system-ui, sans-serif;
    --font-body: "DM Sans", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;

    --max-width: 1080px;
    --radius:    16px;
    --ease:      cubic-bezier(.2, .7, .2, 1);
}

[data-theme="light"] {
    --bg:        #faf6f1;   /* warm paper */
    --surface:   #ffffff;
    --surface-2: #f3ece4;
    --text:      #1b2234;
    --text-2:    #485269;
    --text-3:    #6b7489;   /* darker than before so small text stays readable on the light bg */
    --border:    rgba(27, 34, 52, 0.10);

    --accent:     #d9643f;          /* darker apricot so it's readable on light bg */
    --accent-rgb: 217, 100, 63;
    --accent-2:   #2f8f7c;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    font-size: 17px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    transition: background .4s ease, color .4s ease;
    overflow-x: hidden;
}

/* All headings are lowercase — paragraph text is unaffected */
h1, h2, h3 {
    font-family: var(--font-head);
    text-transform: lowercase;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent); }
.mono { font-family: var(--font-mono); font-size: 0.85em; }

::selection { background: rgba(var(--accent-rgb), .3); }

/* Visible keyboard focus everywhere (good for accessibility) */
:focus-visible { outline: 2px dashed var(--accent); outline-offset: 4px; border-radius: 4px; }

/* ============================================================
   BUTTONS
   No more big filled purple button: the main button is an
   outline that fills with colour on hover.
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s;
}

.btn-primary {
    border: 1.5px solid var(--accent);
    color: var(--accent);
    background: rgba(var(--accent-rgb), .06);
}
.btn-primary:hover {
    background: var(--accent);
    color: var(--bg);
    transform: translateY(-2px);
}

.btn-outline { border: 1.5px solid var(--border); color: var(--text-2); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn-link { color: var(--text-2); padding-left: 4px; padding-right: 4px; }
.btn-link:hover { color: var(--accent); }

/* ============================================================
   NAVBAR
   Fixed to the top. Gets a blurred background once you scroll
   (the .scrolled class is added by script.js).
   ============================================================ */
.navbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    transition: background .3s, border-color .3s;
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    background: rgba(12, 19, 34, .75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--border);
}
[data-theme="light"] .navbar.scrolled { background: rgba(250, 246, 241, .8); }

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo { font-family: var(--font-head); font-weight: 800; font-size: 22px; }

.nav-links { display: flex; gap: 28px; }
.nav-link { font-size: 15px; color: var(--text-2); transition: color .2s; }
.nav-link:hover, .nav-link.active { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text-2);
    transition: color .2s, border-color .2s, transform .4s var(--ease);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); transform: rotate(20deg); }
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Hamburger — hidden on desktop */
.nav-toggle { display: none; width: 38px; height: 38px; position: relative; }
.nav-toggle span {
    position: absolute; left: 9px; right: 9px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: transform .3s var(--ease), top .3s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle.open span:nth-child(1) { top: 18px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { top: 18px; transform: rotate(-45deg); }

/* ============================================================
   HERO
   Two columns: text on the left, particle canvas on the right.
   On small screens they stack (see the media queries at the end).
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 110px 0 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 40px;
    width: 100%;
}

.hero-kicker { color: var(--accent); margin-bottom: 14px; letter-spacing: .02em; }

.hero-name {
    font-size: clamp(32px, 4.6vw, 50px);   /* clamp = grows with the screen, but stays between 32px and 50px (keeps the title on 2 lines) */
    font-weight: 800;
    margin-bottom: 24px;
}

.hero-desc { max-width: 520px; color: var(--text-2); font-size: 18px; margin-bottom: 18px; }

.hero-roles { color: var(--text-3); margin-bottom: 36px; min-height: 1.7em; }
.typewriter { color: var(--text); font-weight: 500; border-right: 2px solid var(--accent); padding-right: 3px; }

.hero-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

.hero-art { position: relative; aspect-ratio: 1 / 1; width: 100%; }
#particles { width: 100%; height: 100%; display: block; cursor: crosshair; }
.hero-art-hint {
    position: absolute; bottom: 0; left: 0; right: 0;
    text-align: center; color: var(--text-3); font-size: 11px;
    opacity: .7;
}

/* ============================================================
   SECTIONS & TITLES  —  "/ about me ————"
   ============================================================ */
.section { padding: 90px 0; }

.section-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 48px;
}
.section-title .slash { color: var(--accent); }
/* The thin line after the title */
.section-title::after {
    content: "";
    flex: 0 1 280px;
    height: 1px;
    background: var(--border);
    margin-left: 10px;
}

strong { color: var(--text); font-weight: 600; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    align-items: center;
}
.about-text p { color: var(--text-2); margin-bottom: 18px; }

.about-facts { margin-top: 28px; display: grid; gap: 6px; color: var(--text); }
.about-facts span { display: inline-block; min-width: 110px; color: var(--text-3); }
.about-facts span::before { content: "▹ "; color: var(--accent); }
.about-facts b { font-weight: 500; }

/* ---------- The blob photo ----------
   border-radius with 8 values (x / y) makes an organic shape.
   The "morph" animation slowly moves between a few shapes.
   On hover the shape changes faster, the photo tilts,
   and the second photo (viola-2.jpg) fades in if it exists. */
.about-photo { position: relative; width: min(340px, 100%); aspect-ratio: 1 / 1; justify-self: center; }

.blob {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    animation: morph 12s ease-in-out infinite;
    transition: transform .6s var(--ease);
    z-index: 1;
}
.about-photo:hover .blob {
    animation-duration: 3s;
    transform: rotate(-6deg) scale(1.04);
}

@keyframes morph {
    0%, 100% { border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%; }
    33%      { border-radius: 63% 37% 39% 61% / 55% 62% 38% 45%; }
    66%      { border-radius: 36% 64% 52% 48% / 62% 36% 64% 38%; }
}

.blob-placeholder {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    font-family: var(--font-head); font-weight: 800; font-size: 96px;
    color: var(--bg);
}
.blob-img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    transition: opacity .5s ease, filter .5s ease, transform .6s var(--ease);
}
.blob-img-main { filter: grayscale(.35) contrast(1.05); }
.blob-img-hover { opacity: 0; }
.about-photo:hover .blob-img-main  { filter: none; transform: scale(1.06); }
.about-photo:hover .blob-img-hover { opacity: 1; }

/* Outline ring behind the blob that moves the other way on hover */
.blob-ring {
    position: absolute;
    inset: 0;
    border: 2px solid var(--accent);
    border-radius: 58% 42% 37% 63% / 59% 56% 44% 41%;
    transform: translate(14px, 14px);
    animation: morph 12s ease-in-out infinite reverse;
    transition: transform .6s var(--ease);
}
.about-photo:hover .blob-ring { transform: translate(-10px, -10px) rotate(8deg); }

/* ============================================================
   JOURNEY — vertical list of milestones on the left (tabs),
   details on the right.
   ============================================================ */
.journey { display: grid; grid-template-columns: 220px 1fr; gap: 48px; min-height: 230px; }

.journey-tabs { position: relative; display: flex; flex-direction: column; }
/* The vertical line that connects the dots */
.journey-tabs::before {
    content: "";
    position: absolute; left: 7px; top: 22px; bottom: 22px;
    width: 2px; background: var(--border);
}

.journey-tab {
    position: relative;
    display: flex; align-items: center; gap: 16px;
    padding: 12px 0;
    text-align: left;
    color: var(--text-3);
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 18px;
    transition: color .2s;
}
.journey-tab:hover { color: var(--text-2); }
.journey-tab.active { color: var(--text); }

.journey-dot {
    position: relative; z-index: 1;
    width: 16px; height: 16px; flex-shrink: 0;
    border-radius: 50%;
    border: 2px solid var(--text-3);
    background: var(--bg);
    transition: border-color .2s, background .2s, transform .3s var(--ease);
}
.journey-tab.active .journey-dot { border-color: var(--accent); background: var(--accent); transform: scale(1.15); }

/* The "what's next" dot has a soft ripple */
.journey-dot.pulse::after {
    content: "";
    position: absolute; inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    animation: ripple 2s ease-out infinite;
}
@keyframes ripple { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.4); opacity: 0; } }

.journey-panel { display: none; }
.journey-panel.active { display: block; animation: slideIn .4s var(--ease); }
@keyframes slideIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }

.journey-panel h3 { font-size: 24px; margin-bottom: 18px; }
.journey-panel h3 .accent { font-weight: 500; }
.journey-panel li { position: relative; padding-left: 24px; margin-bottom: 12px; color: var(--text-2); }
.journey-panel li::before { content: "▹"; position: absolute; left: 0; color: var(--accent); }

/* ============================================================
   SKILLS
   Two columns on desktop, one on phones (see media queries).
   ============================================================ */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: transform .3s var(--ease), border-color .3s;
}
.skill-card:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb), .4); }
.skill-card-title { font-size: 19px; margin-bottom: 16px; display: flex; gap: 10px; align-items: baseline; }

/* Skills inside a card: a neat two-column list (every row lines up),
   with the same ▹ bullet as the About facts and Journey lists */
.skill-tags {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 20px;
}
.skill-tags .tag {
    position: relative;
    padding: 0 0 0 20px;
    border: 0;
    border-radius: 0;
    font-size: 15px;
    line-height: 1.5;
}
.skill-tags .tag::before { content: "▹"; position: absolute; left: 0; color: var(--accent); }
.skill-tags .tag:hover { background: none; }
.tag {
    font-size: 13px;
    padding: 5px 11px;
    border-radius: 999px;
    color: var(--text-2);
    border: 1px solid var(--border);
    transition: color .2s, border-color .2s, background .2s;
}
.tag:hover { color: var(--accent); border-color: var(--accent); background: rgba(var(--accent-rgb), .07); }

/* ============================================================
   PROJECTS
   The featured card spans the full width on desktop.
   A soft light follows the mouse inside each card: script.js
   sets --mx / --my to the mouse position.
   ============================================================ */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.project-card {
    --mx: 50%;
    --my: 50%;
    position: relative;
    display: flex; flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    overflow: hidden;
    transition: transform .3s var(--ease), border-color .3s;
}
.project-card::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(380px circle at var(--mx) var(--my), rgba(var(--accent-rgb), .12), transparent 60%);
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}
.project-card:hover { transform: translateY(-6px); border-color: rgba(var(--accent-rgb), .35); }
.project-card:hover::before { opacity: 1; }

.project-featured { grid-column: 1 / -1; padding: 36px; }
.project-featured .project-title { font-size: 28px; }
.project-featured .project-desc { max-width: 720px; }

.project-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.folder { color: var(--accent); }
.project-links a { color: var(--text-2); transition: color .2s; }
.project-links a:hover { color: var(--accent); }

.project-label { color: var(--accent); font-size: 12px; margin-bottom: 8px; }
.project-top .project-label { margin-bottom: 0; color: var(--text-3); }

.project-title { font-size: 22px; margin-bottom: 12px; transition: color .2s; }
.project-card:hover .project-title { color: var(--accent); }
.project-desc { color: var(--text-2); font-size: 16px; margin-bottom: 22px; flex-grow: 1; }

.project-tags { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--text-3); font-size: 12.5px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-box { max-width: 720px; }
.contact-big {
    font-family: var(--font-head);
    font-size: clamp(26px, 3.6vw, 38px);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 28px;
}

.copy-email {
    display: inline-flex; align-items: center; gap: 16px; flex-wrap: wrap;
    padding: 16px 22px;
    margin-bottom: 26px;
    border: 1.5px dashed var(--border);
    border-radius: 12px;
    font-size: 18px;
    transition: border-color .2s, color .2s;
}
.copy-email:hover { border-color: var(--accent); color: var(--accent); }
.copy-hint { font-size: 12px; color: var(--text-3); text-transform: lowercase; }
.copy-email.copied .copy-hint { color: var(--accent-2); }

.contact-links { display: flex; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 32px 0 40px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; color: var(--text-3); font-size: 12px; }
.footer-inner a { transition: color .2s; }
.footer-inner a:hover { color: var(--accent); }

/* ============================================================
   REVEAL ON SCROLL
   script.js adds .visible when an element enters the screen.
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

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

/* Tablet: stack the hero and about columns */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-art { max-width: 420px; margin: 0 auto; }
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-photo { width: min(280px, 80%); }
}

/* Phone: hamburger menu, single-column everything */
@media (max-width: 720px) {
    body { font-size: 16px; }
    .container, .nav-inner { padding: 0 16px; }

    .nav-toggle { display: block; }
    .nav-links {
        position: fixed;
        top: 68px; left: 0; right: 0;
        flex-direction: column;
        gap: 0;
        padding: 8px 16px 20px;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        transition: transform .35s var(--ease);
        z-index: -1;
    }
    .nav-links.open { transform: none; }
    .nav-link { display: block; padding: 12px 0; font-size: 17px; }

    .hero { padding-top: 100px; }
    .section { padding: 80px 0; }
    .section-title::after { display: none; }

    .journey { grid-template-columns: 1fr; gap: 24px; }
    /* Milestones become a horizontal scrolling row on phones */
    .journey-tabs { flex-direction: row; overflow-x: auto; gap: 18px; padding-bottom: 4px; }
    .journey-tabs::before { display: none; }
    .journey-tab { white-space: nowrap; font-size: 16px; gap: 8px; }

    .projects-grid, .skills-grid { grid-template-columns: 1fr; }
    .project-featured { padding: 28px; }
    .copy-email { font-size: 15px; }
    .footer-inner { flex-direction: column; }
}

/* Respect people who turned off animations in their system settings */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}