/* ============================================
   Onepager-spezifisches Layout
   Erweitert /css/index.css mit Hero-Canvas + Sections
   ============================================ */

body.onepager {
    /* Sticky 3D canvas behind content; sections layer on top.
       html + body + width clamp prevent iOS Safari horizontal-scroll bugs
       caused by 100vw and fixed-positioned children. */
    overflow-x: clip;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

html { overflow-x: clip; }

/* Lenis takes over scrolling — disable native smooth-scroll on onepager. */
html.lenis, html.lenis body { height: auto; }
html.lenis-smooth { scroll-behavior: auto !important; }
html.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

#logo-canvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    /* Fallback before WebGL initializes */
    background: var(--bg-color);
}

body.onepager main {
    position: relative;
    z-index: 1;
}

body.onepager main > * {
    position: relative;
    z-index: 2;
}

/* Canvas sits BEHIND main; main has no background so canvas shows */
body.onepager main {
    background: transparent;
}

/* Override: container retains max-width but content sections use full-bleed */
body.onepager .container {
    position: relative;
}

/* Nav-container: this is the sticky element. It sits inside <main> (tall),
   so sticky has full page-height to slide through. The .nav-wrapper inside
   is just the visual glass pill. Putting sticky on .nav-wrapper failed
   because its parent (this div) had only the wrapper's own height — no
   sliding room. */
body.onepager .nav-container {
    position: sticky;
    top: 16px;
    z-index: 10;
}

/* Nav: floating glass pill — heavy blur over a faint tint, with
   inset padding and a small breathing gap to the viewport top. */
body.onepager .nav-wrapper {
    background: color-mix(in srgb, var(--bg-color) 30%, transparent);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    margin-top: 16px;
    padding: 12px 28px;
    border-radius: 12px;
    box-shadow:
        0 8px 32px color-mix(in srgb, var(--text-color) 14%, transparent),
        inset 0 0 0 1px color-mix(in srgb, var(--text-color) 8%, transparent);
}

/* ----- Mobile menu (hamburger + fullscreen overlay) ---------------------- */
/* Hamburger button: hidden on desktop, shown on mobile next to the toggle.
   Three stacked bars that morph into an X when the menu is open. */
body.onepager .menu-toggle {
    display: none;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
body.onepager .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-color);
    transition: transform 0.25s ease, opacity 0.2s ease;
    transform-origin: center;
}
/* Open state: top bar rotates 45° down, middle fades, bottom rotates -45° up */
body.menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
}
body.menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Fullscreen overlay menu — fixed, frosted glass, centered link stack
   with logo above. Hidden by default; .menu-open on body fades it in. */
body.onepager .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 9;
    background: color-mix(in srgb, var(--bg-color) 30%, transparent);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 64px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 80px 24px 40px;
}
body.menu-open .mobile-menu {
    opacity: 1;
    pointer-events: auto;
}

/* Close button: two crossed lines forming an X. Positioned to land on the
   exact same viewport coordinates as the hamburger sat in the nav pill —
   top/right values mirror sticky-nav offset (12px) + nav-wrapper margin
   (12px) + padding (10px / 16px) + container padding (16px). */
body.onepager .mobile-menu-close {
    position: absolute;
    top: 34px;
    right: 32px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
body.onepager .mobile-menu-close span {
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--text-color);
}
body.onepager .mobile-menu-close span:nth-child(1) { transform: rotate(45deg); }
body.onepager .mobile-menu-close span:nth-child(2) { transform: rotate(-45deg); }

/* Logo block above the links — same lockup as the nav pill but slightly
   bigger and centered. Light/dark img toggling reuses existing rules. */
body.onepager .mobile-menu-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
body.menu-open .mobile-menu-logo {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.05s;
}
body.onepager .mobile-menu-logo img { max-width: 40px; height: auto; }

body.onepager .mobile-menu-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
}
body.onepager .mobile-menu-nav a {
    font: 300 clamp(20px, 5vw, 28px)/1.2 TitilliumWeb;
    letter-spacing: 3px;
    color: var(--text-color);
    text-decoration: none;
    text-transform: uppercase;
    /* Subtle slide-in stagger when menu opens */
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
body.menu-open .mobile-menu-nav a {
    opacity: 1;
    transform: translateY(0);
}
/* Stagger each link's reveal */
body.menu-open .mobile-menu-nav a:nth-child(1) { transition-delay: 0.10s; }
body.menu-open .mobile-menu-nav a:nth-child(2) { transition-delay: 0.16s; }
body.menu-open .mobile-menu-nav a:nth-child(3) { transition-delay: 0.22s; }
body.menu-open .mobile-menu-nav a:nth-child(4) { transition-delay: 0.28s; }
body.menu-open .mobile-menu-nav a:nth-child(5) { transition-delay: 0.34s; }


/* Lock page scroll while menu is open */
body.menu-open { overflow: hidden; }

/* When menu is open, hide the entire nav pill (logo, theme toggle, hamburger).
   The close button inside the overlay is the only visible control. */
body.menu-open .nav-container {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

/* ----- Hero Section ----- */
.hero {
    min-height: 200vh;
    display: flex;
    align-items: flex-start;     /* hero text sits at top instead of dead-center
                                     of the now-tall section */
    padding: 100px 0 80px;
    position: relative;
}

.hero-inner {
    width: 100%;
    /* Override .container's `margin: auto` — in a flex parent that auto
       margin would consume the section's leftover height and vertically
       center the inner. We want it at the top with empty scroll-space below. */
    margin-top: 0;
    margin-bottom: auto;
}

.hero-text {
    max-width: 600px;
    /* Slight push to side so 3D logo sits center-right */
    margin-left: 0;
    margin-right: auto;
    padding-left: 0;
}

@media (min-width: 1024px) {
    .hero-text {
        max-width: 540px;
    }
}

.hero h1 {
    font: 300 clamp(28px, 4vw, 48px) / 1.15 TitilliumWeb;
    margin: 12px 0 8px;
    letter-spacing: 0;
}

.hero h1 strong {
    font-weight: 500;
}

.hero-tagline {
    font: 300 clamp(20px, 2.5vw, 30px) / 1.3 TitilliumWeb;
    text-align: left;
    letter-spacing: 1px;
    margin: 8px 0 32px;
    color: var(--text-color);
}

.hero-tagline .muted {
    opacity: 0.7;
}

.hero #typeWords {
    font-weight: 500;
    color: var(--text-color);
}

.scroll-hint {
    font: 300 12px/16px TitilliumWeb;
    letter-spacing: 4px;
    margin-top: 60px;
    opacity: 0.5;
    animation: scroll-bob 2s ease-in-out infinite;
}

@keyframes scroll-bob {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50%      { transform: translateY(6px); opacity: 0.9; }
}

/* ----- Generic onepager section spacing ----- */
body.onepager section {
    padding: 120px 0;
    scroll-margin-top: 80px;
}

body.onepager section .small-text {
    font: 300 12px/16px TitilliumWeb;
    letter-spacing: 3px;
    opacity: 0.6;
    margin: 0 0 12px;
}

body.onepager section h2 {
    text-align: left;
    letter-spacing: 3px;
    margin-bottom: 32px;
    font: 300 clamp(28px, 3.5vw, 42px) / 1.1 TitilliumWeb;
}

/* ----- About ----- */
body.onepager .about {
    margin-top: 0;
}

/* Frosted-glass cards on About + Focus — keeps text readable when the
   3D logo drifts behind them. Same recipe as .skills .card / nav-pill,
   but rectangular (no border-radius) to match the rest of the design.
   Outer spacing comes from the surrounding .container; inner padding is
   the card's own breathing room around the text. */
body.onepager .about-inner,
body.onepager .focus-inner {
    background: color-mix(in srgb, var(--bg-color) 30%, transparent);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    padding: 40px 44px;
    border-radius: 12px;
    box-shadow: 0 8px 32px color-mix(in srgb, var(--text-color) 8%, transparent);
}

body.onepager .about p.about-para {
    font: 300 clamp(17px, 1.4vw, 20px)/1.7 TitilliumWeb;
    margin: 0 0 1.6em;
}

body.onepager .about p.about-para:last-child {
    margin-bottom: 0;
}

body.onepager .about .about-para,
body.onepager .reveal {
    opacity: 0;
    transform: translateY(24px);
    will-change: opacity, transform;
}

/* ----- Focus ----- */
body.onepager .focus {
    text-align: left;
    margin-top: 0;
}

body.onepager .focus .lead {
    font: 300 24px/30px TitilliumWeb;
    margin: 0;
    max-width: 560px;
}

body.onepager .focus .brand-mark {
    width: 100%;
    max-width: 130px;
    margin: 32px auto 0;
    display: block;
}

/* ----- Process ----- */
body.onepager .process {
    margin-top: 0;
}

body.onepager .process-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 24px;
    counter-reset: process;
}

body.onepager .process-step {
    background: color-mix(in srgb, var(--bg-color) 30%, transparent);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    padding: 28px 32px;
    border-radius: 12px;
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 28px;
    row-gap: 6px;
    align-items: baseline;
    opacity: 0;
    transform: translateY(24px);
    will-change: opacity, transform;
}

body.onepager .process-step .step-num {
    font: 300 clamp(28px, 3.5vw, 42px) / 1 TitilliumWeb;
    letter-spacing: 3px;
    opacity: 0.45;
    grid-row: span 2;
}

body.onepager .process-step h3 {
    font: 300 clamp(20px, 2vw, 26px) / 1.2 TitilliumWeb;
    margin: 0;
    letter-spacing: 2px;
    text-align: left;
}

body.onepager .process-step p {
    font: 300 clamp(15px, 1.2vw, 17px) / 1.6 TitilliumWeb;
    margin: 0;
    opacity: 0.85;
}

@media (min-width: 768px) {
    body.onepager .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
}

/* ----- Skills ----- */
body.onepager .skills {
    margin-top: 0;
    min-height: 200vh;   /* tall section: phase-1 slide-in + hold + phase-3 slide-out */
    display: flex;
    align-items: flex-start;
    padding-top: 12vh;
}
body.onepager .skills > .container {
    width: 100%;
    text-align: center;
    margin-top: 0;
}
body.onepager .skills > .container h2,
body.onepager .skills > .container .small-text {
    text-align: center;
}

body.onepager .skills .card {
    background: color-mix(in srgb, var(--bg-color) 30%, transparent);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    border-radius: 12px;
    padding: 30px 25px 25px 25px;
    height: auto;
    min-height: 320px;
}

/* ----- Crystal-Panel labels (HTML overlay positioned by JS) ----- */
/* Higher specificity than `body.onepager main > *` so position:fixed wins */
body.onepager main > .panel-labels {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    z-index: 4;
}
.panel-label {
    position: absolute;
    top: 0;
    left: 0;
    text-align: center;
    color: var(--text-color);
    /* Fluid width: shrinks with viewport so middle-panel text doesn't crowd
       the screen edges on narrow desktops/tablets. Mobile overrides below. */
    width: clamp(110px, 16vw, 200px);
    transform: translate(-9999px, -9999px);
    will-change: transform, opacity;

    /* Soft radial halo behind text — text pops from the glass panel without a
       hard card edge. BG-color in the middle fades out to fully transparent
       at the edges. Padding gives the halo room to breathe past the text. */
    padding: 26px 22px;
    background: radial-gradient(
        ellipse at center,
        color-mix(in srgb, var(--bg-color) 70%, transparent) 0%,
        color-mix(in srgb, var(--bg-color) 45%, transparent) 40%,
        transparent 75%
    );
}
.panel-label h3 {
    font: 400 clamp(20px, 2vw, 26px)/1.2 TitilliumWeb;
    letter-spacing: 2px;
    margin: 0 0 12px;
}
.panel-label ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font: 400 clamp(13px, 1vw, 15px)/1.7 TitilliumWeb;
    opacity: 0.92;
}

/* ----- Contact ----- */
body.onepager .contact {
    margin-top: 0;
}

body.onepager .contact-row {
    align-items: flex-start;
}

body.onepager .contact .col.personal {
    background: color-mix(in srgb, var(--bg-color) 30%, transparent);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    padding: 25px;
    border-radius: 12px;
    /* Without this, content-box sizing adds the 25px padding on top of the
       100% flex-basis on mobile → column overflows the row to the right. */
    box-sizing: border-box;
}

body.onepager .contact form input,
body.onepager .contact form textarea {
    background: color-mix(in srgb, var(--bg-color) 70%, transparent);
}

/* ----- Footer ----- */
body.onepager .footer {
    background: var(--bg-color);
    margin-top: 0;
    position: relative;
    z-index: 5;
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
    .scroll-hint { animation: none; }
}

/* ----- Mobile (< 768px) ----- */
@media (max-width: 767px) {
    /* Tighter container gutter so the floating pill nav has more room */
    body.onepager .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    /* Nav: keep horizontal pill, hide section links (page is scroll-driven
       and short enough that the toggle + logo + scroll is enough on mobile). */
    body.onepager .nav-container { top: 12px; }
    body.onepager .nav-wrapper {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        padding: 10px 16px;
        margin-top: 12px;
        border-radius: 12px;
    }
    body.onepager .nav-wrapper nav { display: none; }
    body.onepager .menu-toggle { display: flex; }
    body.onepager .nav-wrapper .logo { gap: 10px; }
    body.onepager .nav-wrapper .logo img { max-width: 36px; }
    body.onepager .nav-wrapper .logo span {
        font-size: 16px;
        line-height: 18px;
        letter-spacing: 4px;
    }

    /* Sections: less vertical air on small viewports */
    body.onepager section { padding: 80px 0; }

    /* Glass-card padding tighter on phones so content doesn't crowd edges */
    body.onepager .about-inner,
    body.onepager .focus-inner {
        padding: 28px 22px;
    }
    .hero { padding: 60px 0; min-height: 200svh; }
    .hero-text { padding-left: 0; }
    .hero h1 { margin: 8px 0 6px; }
    .hero-tagline { margin: 6px 0 24px; }
    .scroll-hint { margin-top: 36px; }

    /* Process: cards a bit tighter */
    body.onepager .process-step {
        padding: 22px 22px;
        column-gap: 20px;
    }

    /* Skills: tall section on mobile so the staggered reveal has scroll room
       and the three stacked labels each get vertical breathing space. */
    body.onepager .skills {
        min-height: 220vh;
        padding-top: 20px;
    }

    /* Contact: personal column tighter */
    body.onepager .contact .col.personal { padding: 20px; }

    /* Crystal-panel labels: narrower so all three fit side-by-side on phones */
    .panel-label { width: 140px; }
    .panel-label h3 { font-size: 16px; margin-bottom: 8px; }
    .panel-label ul { font-size: 12px; line-height: 1.5; }
}

/* Very narrow phones — extra trims */
@media (max-width: 380px) {
    body.onepager .nav-wrapper {
        padding: 8px 12px;
        gap: 12px;
    }
    body.onepager .nav-wrapper .logo span { display: none; }
    body.onepager .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    .panel-label { width: 110px; }
}

/* ----- Tablet+ Layout ----- */
@media (min-width: 768px) {
    body.onepager section { padding: 140px 0; }
    .hero { padding: 120px 0; }
}

@media (min-width: 1024px) {
    /* On wider screens, nudge hero text left so 3D logo on canvas
       appears in the right portion of the viewport */
    .hero-inner { padding-right: 45%; }
}