/* ============================================
   KRYŠTOF HAM — PORTFOLIO
   Aesthetic: Editorial Brutalism / Swiss Grid
   Palette: Black/White dominant, Blue accent
   Font: DM Serif Display + DM Sans
============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,300&display=swap');
html, body {
    overflow-x: hidden;
}
/* ─── CSS Variables ─────────────────────────── */
:root {
    --black: #0a0a0a;
    --white: #f5f5f0;
    --gray-1: #1c1c1c;
    --gray-2: #2e2e2e;
    --gray-3: #6b6b6b;   /* improved contrast from #888 */
    --gray-4: #c8c8c8;
    --gray-5: #e8e8e3;
    --blue: #1a5cff;
    --blue-dk: #0d3acc;
    --blue-lt: #d6e4ff;

    --bg: var(--white);
    --fg: var(--black);
    --border: var(--black);
    --muted: #3a3a3a;    /* was --gray-2 #2e2e2e — slightly lighter for labels but still readable */
    --card: #ffffff;
    --nav-bg: var(--black);
    --nav-fg: var(--white);

    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 28px;

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.18);

    /* Focus ring */
    --focus-ring: 0 0 0 3px rgba(26, 92, 255, 0.45);
}

.dark-mode {
    --bg: var(--black);
    --fg: var(--white);
    --border: var(--gray-4);
    --muted: #d0d0cb;    /* was --gray-5 which got overridden to #1a1a1a — fixed */
    --card: var(--gray-1);
    --nav-bg: var(--white);
    --nav-fg: var(--black);
    --gray-5: #1a1a1a;
    --blue-lt: #0f2a5e;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
    --focus-ring: 0 0 0 3px rgba(110, 163, 255, 0.55);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.65;
    transition: background var(--transition-slow), color var(--transition-slow);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

ul {
    list-style: none;
}

/* ─── Accessibility: Focus Styles ────────────── */
/* Visible focus for keyboard users; hidden for mouse users via :focus-visible */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
    box-shadow: var(--focus-ring);
}

/* Specific focus on dark backgrounds (navbar, hero, footer) */
.navbar :focus-visible,
.mobile-nav :focus-visible,
.hero :focus-visible,
.footer :focus-visible {
    outline-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
}

/* Skip to main content link (screen readers + keyboard) */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 9999;
    padding: 0.6rem 1.2rem;
    background: var(--blue);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* ─── Typography Scale ───────────────────────── */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.4rem, 6vw, 5rem);
}

h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.8rem);
}

h3 {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
}

/* Label — was too low contrast on light bg; now uses --muted which is #3a3a3a */
.label {
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ─── Layout Containers ──────────────────────── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 3rem);
}

.section {
    padding: clamp(3rem, 8vw, 7rem) 0;
}

/* ─── NAVBAR ─────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    color: var(--nav-fg);
    border-bottom: 1px solid transparent;
    transition: background var(--transition-slow),
        border-color var(--transition),
        box-shadow var(--transition);
    overflow: hidden;
    max-width: 100vw;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    border-color: var(--border);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 clamp(1rem, 4vw, 3rem);
    max-width: 1400px;
    margin: 0 auto;
    overflow: hidden; /* ← PŘIDEJ */
    gap: 0.5rem;      /* ← PŘIDEJ — mezera mezi prvky */
}

.navbar__logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--nav-fg);
    letter-spacing: -0.01em;
    white-space: nowrap;
    min-width: 0;        /* ← PŘIDEJ — umožní flexboxu logo zkrátit */
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;      /* ← PŘIDEJ */
}
.navbar__links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.navbar__links a {
    position: relative; /* Nutné pro umístění kolečka */
    z-index: 1;
    overflow: hidden; /* Aby kolečko nevyteklo ven z borderu */
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--nav-fg);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: color var(--transition); /* Barvu textu měníme plynule */
}

/* Vytvoření samotného kolečka */
.navbar__links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--nav-fg); /* Barva výplně */
    border-radius: 50%; /* Dělá to kolečkem */
    transform: translate(-50%, -50%); /* Vycentrování */
    transition: width 0.4s ease-out, height 0.4s ease-out; /* Rychlost animace */
    z-index: -1; /* Schová kolečko pod text */
}

/* Animace po najetí */
.navbar__links a:hover::before,
.navbar__links a.active::before {
    width: 150%; /* Větší než prvek, aby ho celé zakrylo */
    height: 300%; /* Výška musí být dostatečná pro pokrytí obdélníku */
}

/* Změna barvy textu při najetí, aby byl čitelný na novém pozadí */
.navbar__links a:hover,
.navbar__links a.active {
    color: var(--nav-bg);
    border-color: var(--nav-fg);
}
/* Dark toggle */
.dark-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--nav-fg);
    border-radius: var(--radius-sm);
    color: var(--nav-fg);
    margin-left: 0.75rem;
    transition: background var(--transition), color var(--transition);
    flex-shrink: 0;
    min-width: 40px;     /* ← PŘIDEJ */
}

.dark-toggle:hover {
    background: var(--nav-fg);
    color: var(--nav-bg);
}

.dark-toggle svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

#icon-sun {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-45deg) scale(0.7);
}

#icon-moon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

.dark-mode #icon-moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(45deg) scale(0.7);
}

.dark-mode #icon-sun {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    min-width: 40px;     /* ← PŘIDEJ — zabrání zmačknutí */
    background: none;
    border: 1px solid var(--nav-fg);
    border-radius: var(--radius-sm);
    padding: 8px;
    color: var(--nav-fg);
    flex-shrink: 0;      /* ← PŘIDEJ */
}
.hamburger span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition), width var(--transition);
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    width: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
/* Mobile nav overlay */
.mobile-nav {
    display: none;
    position: fixed;
    /* inset: top right bottom left */
    top: 60px; 
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%; /* Explicitně zajistíme plnou šířku */
    background: var(--nav-bg);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    
    /* Zabrání přetékání obsahu uvnitř overlaye */
    overflow-y: auto; 
    padding: 2rem;
    box-sizing: border-box; 
}

.mobile-nav.open {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav a {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 8vw, 2.5rem); /* Responzivní písmo, aby nepřeteklo na malých mobilech */
    color: var(--nav-fg);
    text-align: center;
    width: 100%;
    transition: color var(--transition);
}

/* Oprava Media Query na tvých 586px */
@media (max-width: 768px) {
    .navbar__links {
        display: none !important; /* Vynutíme skrytí */
    }

    .hamburger {
        display: flex;
    }
    
    /* Ujisti se, že logo na mobilu není příliš široké */
    .navbar__logo {
        max-width: 70%;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

.mobile-nav a:hover {
    color: var(--blue);
}

@media (max-width: 768px) {
    .navbar__links {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

/* ─── HERO ───────────────────────────────────── */
.hero {
    min-height: 100svh;
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: stretch;
    overflow: hidden;
    background: var(--black);
    color: var(--white);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  /* Přidali jsme více černé na začátek, konec i doprostřed */
  background: linear-gradient(
    -45deg, 
    #0a0a0a 0%, 
    #0a0a0a 35%,    /* Dlouhá černá plocha */
    #161620 45%,    /* Velmi tmavá modrošedá */
    #082689 50%,    /* Hlavní modrý akcent */
    #161620 65%,    /* Ústup do tmava */
    #0a0a0a 75%,    /* Opět černá */
    #0a0a0a 100%
  );
  background-size: 300% 300%; /* Trochu jsme zmenšili plochu pro rychlejší průběh */
  animation: fluidGradient 38s ease-in-out infinite;
  z-index: 0;
}

@keyframes fluidGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
/* Noise grain texture */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
    z-index: 1;
    pointer-events: none;
    opacity: 0.5;
}

/* Decorative grid lines */
.hero__grid-lines {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 80px 80px;
}

.hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: clamp(5rem, 10vw, 9rem) clamp(1.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    min-height: 100svh;
    gap: 2rem;
}

/* Top-left name */
.hero__name {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 8vw, 7rem);
    font-weight: 400;
    line-height: 1.0;
    letter-spacing: -0.04em;
    color: #ffffff;
    max-width: 600px;
    animation: heroNameIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

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

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

.hero__name em {
    font-style: italic;
    color: rgba(255, 255, 255, 0.55);
}

/* Center blurred card — absolute on desktop, inline on mobile */
.hero__center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: heroCardIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    opacity: 0;
    width: max-content;
    max-width: 90vw;
    transform-origin: center center;
    will-change: transform, opacity;
}

@keyframes heroCardIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.88);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.hero__card {
    padding: clamp(1.5rem, 4vw, 3.5rem) clamp(2rem, 6vw, 6rem);
    text-align: center;
    white-space: nowrap;
}

.hero__card-label {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5); /* bumped from 0.4 for readability */
    margin-bottom: 1rem;
    font-family: var(--font-body);
    font-weight: 500;
}

.hero__card-roles {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 4vw, 2.5rem);
}

.hero__role {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    color: #ffffff;
    letter-spacing: -0.03em;
}

.hero__divider {
    width: 2px;
    height: clamp(2rem, 5vw, 3.5rem);
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.4), transparent);
    flex-shrink: 0;
}

/* Bottom strip */
.hero__bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    animation: heroBottomIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
    opacity: 0;
}

@keyframes heroBottomIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero__tagline {
    font-size: clamp(0.85rem, 1.5vw, 1rem);
    color: rgba(255, 255, 255, 0.6); /* was 0.45 — improved contrast */
    max-width: 380px;
    line-height: 1.6;
}

.hero__scroll {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5); /* was 0.4 */
}

.hero__scroll-line {
    width: 40px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: #fff;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        left: -100%;
    }

    50% {
        left: 100%;
    }

    100% {
        left: 100%;
    }
}

/* ─── HERO MOBILE ────────────────────────────── */
@media (max-width: 600px) {
    .hero__inner {
        flex-direction: column;
        justify-content: flex-start;
        min-height: 100svh;
        padding-top: 80px;    /* room for fixed navbar */
        gap: 0;
    }

    .hero__name {
        font-size: clamp(2.8rem, 14vw, 4.5rem);
        margin-bottom: 1.5rem;
    }

    /* Card becomes in-flow (not absolutely positioned) on mobile */
    .hero__center {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin: 0 auto 1.5rem;
        width: 100%;
        max-width: 100%;
        animation: heroCardInMobile 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
        opacity: 0;
    }

    @keyframes heroCardInMobile {
        from {
            opacity: 0;
            transform: translateY(16px) scale(0.96);
        }
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .hero__card {
        white-space: normal;
        text-align: center;
        padding: 1.5rem 1.25rem;
        border-width: 1px;   /* full border on mobile — looks cleaner */
    }

    .hero__card-roles {
        flex-direction: row;
        justify-content: center;
        gap: 0.75rem;
    }

    .hero__role {
        font-size: clamp(1.6rem, 8vw, 2.2rem);
    }

    .hero__divider {
        width: 2px;
        height: 2rem;
        background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.35), transparent);
    }

    .contact__button {
        margin-top: 1rem;
    }

    .hero__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-top: auto;
        padding-top: 2rem;
    }

    .hero__tagline {
        font-size: 0.9rem;
        max-width: 100%;
        color: rgba(255, 255, 255, 0.65);
    }

    .hero__scroll {
        align-self: flex-end;
    }
}

/* Contact button */
.contact__button {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

#contact__main__page {
    display: inline-block;
    padding: 10px 32px;
    font-size: 0.82rem;
    font-family: var(--font-body);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #ffffff;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.45); /* was 0.35 — better visibility */
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

#contact__main__page:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}
/* ─── PAGE HEADER (inner pages) ──────────────── */
.page-header {
    padding: calc(60px + clamp(2rem, 5vw, 4rem)) clamp(1.5rem, 5vw, 4rem) clamp(2rem, 4vw, 3rem);
    max-width: 1100px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border);
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.page-header h1 {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
}

.page-header .label {
    margin-bottom: 0.75rem;
}

/* ─── CARDS ──────────────────────────────────── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card--accent {
    border-color: var(--blue);
}

.card--dark {
    background: var(--black);
    color: var(--white);
    border-color: var(--gray-2);
}

/* dark-mode: card--dark text improved */
.dark-mode .card--dark {
    background: #111111;
    border-color: var(--gray-3);
}

/* ─── SKILL TAGS ─────────────────────────────── */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--gray-5);
    transition: background var(--transition), color var(--transition);
}

.tag:hover {
    background: var(--fg);
    color: var(--bg);
}

.tag--blue {
    border-color: var(--blue-dk);
    color: var(--fg);
    background: var(--blue-lt);
}

/* ─── NUMBERED LIST (ol-like) ────────────────── */
.list-numbered {
    counter-reset: item;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.list-numbered li {
    counter-increment: item;
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-5);
    padding-bottom: 0.85rem;
    transition: padding-left var(--transition);
}

.list-numbered li:hover {
    padding-left: 0.5rem;
}

.list-numbered li::before {
    content: counter(item, decimal-leading-zero);
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--muted);
    min-width: 2rem;
    flex-shrink: 0;
}

/* ─── BULLET LIST ─────────────────────────────── */
.list-bullet {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.list-bullet li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    transition: padding-left var(--transition);
}

.list-bullet li:hover {
    padding-left: 0.4rem;
}

.list-bullet li::before {
    content: '—';
    color: var(--muted);
    font-weight: 300;
    flex-shrink: 0;
}

/* ─── TABLE ──────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead tr {
    background: var(--fg);
    color: var(--bg);
}

thead th {
    padding: 12px 18px;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

tbody tr {
    border-bottom: 1px solid var(--gray-5);
    transition: background var(--transition);
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--gray-5);
}

tbody td {
    padding: 14px 18px;
    vertical-align: middle;
}

.td-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.td-badge--green {
    background: #c6ebc6;   /* slightly deeper green bg for contrast */
    color: #145214;        /* dark green text — was #1a6b1a, improved */
}

.td-badge--yellow {
    background: #fde68a;   /* slightly deeper yellow */
    color: #78350f;        /* dark amber — was #92400e */
}

.td-badge--blue {
    background: var(--blue-lt);
    color: var(--blue-dk);
}

.dark-mode .td-badge--green {
    background: #1a3d1a;
    color: #86e086;        /* was #6ddc6d — lighter for dark bg */
}

.dark-mode .td-badge--yellow {
    background: #3d2e00;
    color: #fad55c;        /* was #f5c542 */
}

.dark-mode .td-badge--blue {
    background: #0a2060;
    color: #82b4ff;        /* was #6ea3ff — slightly brighter */
}

/* ─── PROJECT CARDS ──────────────────────────── */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.project-card__header {
    background: var(--black);
    color: var(--white);
    padding: 2rem 1.75rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.dark-mode .project-card__header {
    background: var(--gray-2);
}

.project-card__header::before {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.project-card__header::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 160px;
    height: 160px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 50%;
}

.project-card__index {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.45); /* was 0.3 — improved */
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.project-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.project-card__body {
    padding: 1.5rem 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.project-card__desc {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
    flex: 1;
}

.project-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}

.btn-ghost:hover {
    background: var(--fg);
    color: var(--bg);
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 14px;
    background: var(--fg);
    color: var(--bg);
    border: 1px solid var(--fg);
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-solid:hover {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
}

/* ─── PHOTO GALLERY ──────────────────────────── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr));
    gap: 0.75rem;
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    cursor: pointer;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease, filter 0.4s ease;
    filter: grayscale(30%);
}

.gallery-item:hover img {
    transform: scale(1.06);
    filter: grayscale(0%);
}

.gallery-item:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 2px;
}

.gallery-item__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: background var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover .gallery-item__overlay,
.gallery-item:focus-visible .gallery-item__overlay {
    background: rgba(0, 0, 0, 0.25);
}

.gallery-item__overlay svg {
    color: #fff;
    opacity: 0;
    transform: scale(0.7);
    transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .gallery-item__overlay svg,
.gallery-item:focus-visible .gallery-item__overlay svg {
    opacity: 1;
    transform: scale(1);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 2rem;
    backdrop-filter: blur(8px);
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
}

.lightbox__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition);
}

.lightbox__close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox__close:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.lightbox__caption {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-align: center;
    width: max-content;
    max-width: 80vw;
}

/* ─── CONTACT SECTION ────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    font-weight: 500;
    min-height: 60px; /* touch target */
}

.social-link:hover {
    background: var(--fg);
    color: var(--bg);
    transform: translateX(6px);
}

.social-link svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.social-link__name {
    font-size: 0.95rem;
}

.social-link__handle {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.1rem;
    transition: color var(--transition);
}

.social-link:hover .social-link__handle {
    color: rgba(255, 255, 255, 0.6); /* was 0.5 */
}

/* Email big */
.email-block {
    padding: 2rem 1.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--black);
    color: var(--white);
}

.dark-mode .email-block {
    background: var(--gray-2);
}

.email-block .label {
    color: rgba(255, 255, 255, 0.55); /* was 0.4 */
    margin-bottom: 0.5rem;
}

.email-block a {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: #fff;
    word-break: break-all;
    transition: color var(--transition);
}

.email-block a:hover {
    color: var(--blue);
}

/* ─── DIVIDER ────────────────────────────────── */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0;
}

/* ─── SECTION HEADING ────────────────────────── */
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: clamp(1.5rem, 4vw, 3rem);
    gap: 1rem;
    flex-wrap: wrap;
}

.section-head h2 {
    position: relative;
}

.section-head h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 2.5rem;
    height: 3px;
    background: var(--blue);
    border-radius: 2px;
}

/* ─── ACHIEVEMENT BADGE ──────────────────────── */
.achievement {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: border-color var(--transition), background var(--transition);
}

.achievement:hover {
    border-color: var(--blue);
    background: var(--blue-lt);
}

.dark-mode .achievement:hover {
    background: rgba(26, 92, 255, 0.1);
}

.achievement__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--black);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.dark-mode .achievement__icon {
    background: var(--gray-3);
    color: var(--white);
}

.achievement__text {
    font-size: 0.9rem;
    line-height: 1.5;
}

.achievement__text strong {
    display: block;
    margin-bottom: 0.15rem;
    font-weight: 600;
}

.achievement__text a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ─── TWO-COL GRID ────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
    gap: 1.25rem;
}

/* ─── FOOTER ─────────────────────────────────── */
.footer {
    background: var(--black);
    color: var(--white);
    padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem) 2rem;
    margin-top: clamp(3rem, 8vw, 6rem);
}

.footer__inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 2rem;
}

.footer__brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.footer__copy {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.65); /* was inherited white — slightly muted but readable */
}

.footer__links {
    display: flex;
    gap: 0.75rem;
}

.footer__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;  /* was 40 — better touch target */
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.25); /* was 0.2 */
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.7); /* was 0.6 */
    transition: border-color var(--transition), color var(--transition),
        background var(--transition), transform var(--transition);
}

.footer__icon:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

@media (max-width: 600px) {
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ─── SCROLL TO TOP ──────────────────────────── */
#scrollTopBtn {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    background: var(--black);
    color: var(--white);
    border: 1px solid var(--gray-2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity var(--transition), transform var(--transition), background var(--transition);
    z-index: 900;
}

#scrollTopBtn.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

#scrollTopBtn:hover {
    background: var(--blue);
    border-color: var(--blue);
}

.dark-mode #scrollTopBtn {
    background: var(--gray-2);
    border-color: var(--gray-3);
}

/* ─── UTILITY CLASSES ────────────────────────── */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.text-muted { color: var(--muted); }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }