/* ═══════════════════════════════════════════════════════════════
   PIXEL & PURPOSE STUDIOS — Main Stylesheet
   Dark, minimal, digitally forward
   ═══════════════════════════════════════════════════════════════ */


/* ─── Design Tokens ─── */

:root {
    --c-bg: #0A0A0B;
    --c-surface: #111113;
    --c-surface2: #18181B;
    --c-border: #27272A;
    --c-text: #FAFAFA;
    --c-text-dim: #A1A1AA;
    --c-accent: #6C63FF;
    --c-accent2: #00D9A5;
    --c-danger: #FF6B6B;
    --ff-heading: 'Space Grotesk', sans-serif;
    --ff-body: 'Inter', sans-serif;
    --fs-hero: clamp(3rem, 8vw, 7rem);
    --fs-h2: clamp(1.8rem, 4vw, 3.2rem);
    --fs-body: clamp(0.95rem, 1.1vw, 1.1rem);
    --fs-sm: 0.85rem;
    --space: clamp(1rem, 3vw, 2rem);
    --radius: 12px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --max-w: 1200px;
}


/* ─── Reset ─── */

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

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

body {
    font-family: var(--ff-body);
    font-size: var(--fs-body);
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: transparent;
}


/* ─── Utilities ─── */

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--space);
}

.section-label {
    font-family: var(--ff-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--c-accent);
    margin-bottom: 1rem;
}

.section-heading {
    font-family: var(--ff-heading);
    font-size: var(--fs-h2);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    max-width: 700px;
}

.section-heading em {
    font-style: normal;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* Reveal animation */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}

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


/* ═══════════════════════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════════════════════ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), background var(--transition);
}

.nav.is-scrolled {
    border-bottom-color: var(--c-border);
    background: rgba(10, 10, 11, 0.92);
}

.nav__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--space);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav__logo {
    font-family: var(--ff-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    gap: 0;
}

.nav__logo-pixel {
    color: var(--c-text);
}

.nav__logo-amp {
    color: var(--c-accent);
    margin: 0 0.15em;
}

.nav__logo-purpose {
    color: var(--c-text);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--c-text-dim);
    transition: color var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--c-accent);
    transition: width var(--transition);
}

.nav__link:hover {
    color: var(--c-text);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    color: var(--c-bg);
    background: var(--c-accent);
    padding: 0.55rem 1.3rem;
    border-radius: 100px;
    font-weight: 600;
    transition: background var(--transition), transform 0.2s;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background: #7b73ff;
    color: var(--c-bg);
    transform: translateY(-1px);
}


/* Theme Toggle */

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    background: var(--c-surface);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), transform 0.2s;
}

.theme-toggle:hover {
    border-color: var(--c-accent);
    transform: scale(1.08);
}


/* Mobile: float theme toggle at bottom-right */

@media (max-width: 768px) {
    .theme-toggle {
        position: fixed;
        bottom: 1.25rem;
        right: 1.25rem;
        z-index: 90; /* below nav (z-index 100) so it can't cover the hamburger / open menu */
        width: 46px;
        height: 46px;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
        transition: opacity 0.25s ease, transform 0.25s ease, border-color var(--transition), background var(--transition);
    }
    /* Hide the floating toggle while the mobile menu is open so it doesn't cover menu items */
    .nav__links.is-open ~ .theme-toggle {
        opacity: 0;
        transform: scale(0.6);
        pointer-events: none;
    }
}

.theme-toggle__icon {
    width: 18px;
    height: 18px;
    transition: opacity 0.3s, transform 0.4s;
}

.theme-toggle__icon--sun {
    display: none;
}

.theme-toggle__icon--moon {
    display: block;
}

[data-theme="light"] .theme-toggle__icon--sun {
    display: block;
}

[data-theme="light"] .theme-toggle__icon--moon {
    display: none;
}


/* Mobile Toggle */

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }
    .nav__links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 11, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-120%);
        transition: transform 0.4s var(--transition);
        border-bottom: 1px solid var(--c-border);
    }
    .nav__links.is-open {
        transform: translateY(0);
    }
    .nav__link {
        font-size: 1rem;
    }
}


/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px var(--space) 80px;
}


/* Subtle grid background */

.hero__grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(108, 99, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(108, 99, 255, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
}


/* Video background */

.hero__video-wrap {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    filter: brightness(0.5) saturate(0.7);
}

.hero__video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--c-bg) 0%, transparent 30%, transparent 70%, var(--c-bg) 100%), linear-gradient(135deg, rgba(108, 99, 255, 0.08) 0%, transparent 60%);
    /* City grid pattern overlay */
}

.hero__video-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(108, 99, 255, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(108, 99, 255, 0.07) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
    pointer-events: none;
}


/* Film-grain texture */

.hero__noise {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background: 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)'/%3E%3C/svg%3E");
    pointer-events: none;
}

.hero__content {
    position: relative;
    text-align: center;
    max-width: 900px;
}

.hero__tag {
    font-family: var(--ff-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--c-accent);
    margin-bottom: 1.5rem;
}

.hero__title {
    font-family: var(--ff-heading);
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero__title--accent {
    background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__sub {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--c-text-dim);
    margin-bottom: 2.5rem;
    letter-spacing: 0.02em;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}


/* Scroll indicator */

.hero__scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--c-text-dim);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--c-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%,
    100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.4;
        transform: scaleY(0.6);
    }
}


/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--ff-heading);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: 100px;
    cursor: pointer;
    transition: background var(--transition), transform 0.2s, box-shadow var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--c-accent);
    color: var(--c-bg);
}

.btn--primary:hover {
    background: #7b73ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.3);
}

.btn--ghost {
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

.btn--ghost:hover {
    border-color: var(--c-text-dim);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.btn__arrow {
    width: 20px;
    height: 20px;
    transition: transform 0.2s;
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

.btn__loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn.is-loading .btn__text {
    opacity: 0;
}

.btn.is-loading .btn__loader {
    display: inline-block;
}

.btn.is-loading .btn__arrow {
    display: none;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}


/* ═══════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════ */

.about {
    padding: 8rem 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about__text p {
    color: var(--c-text-dim);
    margin-bottom: 1rem;
    max-width: 540px;
}

.about__stats {
    display: grid;
    gap: 2rem;
}

.stat {
    border-left: 2px solid var(--c-accent);
    padding-left: 1.5rem;
}

.stat__number {
    font-family: var(--ff-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    display: inline;
}

.stat__plus {
    font-family: var(--ff-heading);
    font-size: 1.5rem;
    color: var(--c-accent);
    font-weight: 600;
}

.stat__label {
    display: block;
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

@media (max-width: 768px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .about__stats {
        grid-template-columns: repeat(3, 1fr);
    }
    .stat__number {
        font-size: 2rem;
    }
}


/* ═══════════════════════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════════════════════ */

.services {
    padding: 8rem 0;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--c-accent);
    box-shadow: 0 20px 60px rgba(108, 99, 255, 0.08);
}

.service-card__icon {
    width: 48px;
    height: 48px;
    color: var(--c-accent);
    margin-bottom: 1.5rem;
}

.service-card__icon svg {
    width: 100%;
    height: 100%;
}

.service-card__title {
    font-family: var(--ff-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-card__desc {
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    line-height: 1.65;
}

@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}


/* ═══════════════════════════════════════════════════════════════
   WORK
   ═══════════════════════════════════════════════════════════════ */

.work {
    padding: 8rem 0;
}

.work__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.work-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.work-card:hover {
    transform: translateY(-4px);
    border-color: var(--c-text-dim);
}

.work-card--wide {
    grid-column: span 2;
}

.work-card__visual {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--accent, var(--c-accent)) 0%, var(--c-surface2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.work-card--wide .work-card__visual {
    aspect-ratio: 21/9;
}

.work-card__placeholder {
    width: 80px;
    height: 80px;
    color: rgba(255, 255, 255, 0.15);
}

.work-card__placeholder svg {
    width: 100%;
    height: 100%;
}

.work-card__info {
    padding: 1.5rem 2rem;
}

.work-card__tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-accent);
    font-weight: 500;
}

.work-card__title {
    font-family: var(--ff-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0.5rem 0;
}

.work-card__desc {
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
}

@media (max-width: 768px) {
    .work__grid {
        grid-template-columns: 1fr;
    }
    .work-card--wide {
        grid-column: span 1;
    }
}


/* ═══════════════════════════════════════════════════════════════
   PORTFOLIO
   ═══════════════════════════════════════════════════════════════ */

.portfolio {
    padding: 8rem 0;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
}

/* ── Portfolio list */
.pf-list {
    margin-top: 4rem;
    border-top: 1px solid var(--c-border);
}

/* ── Row item */
.pf-item {
    display: grid;
    grid-template-columns: 3rem 1fr auto 2.5rem;
    align-items: center;
    gap: 2.5rem;
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--c-border);
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: background var(--transition), padding-left var(--transition);
    cursor: pointer;
}

.pf-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--item-hue, var(--c-accent));
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pf-item:hover {
    background: color-mix(in srgb, var(--item-hue, var(--c-accent)) 6%, transparent);
    padding-left: 1.25rem;
}

.pf-item:hover::before {
    transform: scaleY(1);
}

/* ── Number */
.pf-item__num {
    font-family: var(--ff-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--c-text-dim);
    opacity: 0.45;
    transition: opacity var(--transition), color var(--transition);
    text-align: center;
}

.pf-item:hover .pf-item__num {
    opacity: 1;
    color: var(--item-hue, var(--c-accent));
}

/* ── Main */
.pf-item__name {
    font-family: var(--ff-heading);
    font-size: clamp(1.35rem, 2.4vw, 1.9rem);
    font-weight: 700;
    color: var(--c-text);
    line-height: 1.15;
    transition: color var(--transition);
}

.pf-item:hover .pf-item__name {
    color: var(--item-hue, var(--c-accent));
}

.pf-item__desc {
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    line-height: 1.55;
    margin-top: 0.4rem;
    max-width: 48ch;
}

/* ── Meta */
.pf-item__meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.3rem;
    text-align: right;
}

.pf-item__cat {
    font-family: var(--ff-heading);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    color: var(--item-hue, var(--c-accent));
}

.pf-item__url {
    font-size: 0.78rem;
    color: var(--c-text-dim);
    font-family: var(--ff-heading);
}

/* ── Arrow */
.pf-item__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-text-dim);
    transition: transform var(--transition), color var(--transition);
}

.pf-item__arrow svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.pf-item:hover .pf-item__arrow {
    transform: translateX(6px);
    color: var(--item-hue, var(--c-accent));
}

@media (max-width: 768px) {
    .pf-item {
        grid-template-columns: 2.5rem 1fr 2rem;
        gap: 1.25rem 1.5rem;
    }

    .pf-item__meta {
        display: none;
    }
}

@media (max-width: 480px) {
    .pf-item {
        gap: 1rem 1rem;
        padding: 1.75rem 0;
    }

    .pf-item__name {
        font-size: 1.25rem;
    }

    .pf-item__desc {
        font-size: 0.8rem;
    }
}

/* ═══════════════════════════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════════════════════════ */

.marquee {
    overflow: hidden;
    padding: 1.5rem 0;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    background: var(--c-surface);
}

.marquee__track {
    display: flex;
    width: max-content;
    animation: marquee 25s linear infinite;
}

.marquee__track span {
    font-family: var(--ff-heading);
    font-size: clamp(1rem, 2vw, 1.4rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--c-text-dim);
    white-space: nowrap;
    padding-right: 0;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}


/* ═══════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════ */

.contact {
    padding: 8rem 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact__info p {
    color: var(--c-text-dim);
    max-width: 400px;
    margin-bottom: 2rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    transition: color var(--transition);
}

.contact__detail:hover {
    color: var(--c-accent);
}

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


/* Form */

.contact__form {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1rem 0.75rem;
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: 8px;
    color: var(--c-text);
    font-size: var(--fs-body);
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
}

.form-group select {
    cursor: pointer;
    color: var(--c-text-dim);
}

.form-group select:valid {
    color: var(--c-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    pointer-events: none;
    transition: var(--transition);
}

.form-group textarea~label {
    top: 1.1rem;
    transform: none;
}

.form-group select~label {
    top: -0.6rem;
    left: 0.75rem;
    font-size: 0.72rem;
    color: var(--c-accent);
    background: var(--c-surface);
    padding: 0 0.25rem;
}

.form-group input:not(:placeholder-shown)~label,
.form-group input:focus~label,
.form-group textarea:not(:placeholder-shown)~label,
.form-group textarea:focus~label {
    top: -0.6rem;
    left: 0.75rem;
    font-size: 0.72rem;
    color: var(--c-accent);
    background: var(--c-surface);
    padding: 0 0.25rem;
}

.form-status {
    text-align: center;
    font-size: var(--fs-sm);
    min-height: 1.2em;
}

.form-status.success {
    color: var(--c-accent2);
}

.form-status.error {
    color: var(--c-danger);
}

@media (max-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}


/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */

.footer {
    border-top: 1px solid var(--c-border);
    padding: 3rem 0;
    background: var(--c-surface);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer__tagline {
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    margin-top: 0.25rem;
}

.footer__links {
    display: flex;
    gap: 2rem;
}

.footer__links a {
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    transition: color var(--transition);
}

.footer__links a:hover {
    color: var(--c-accent);
}

.footer__copy {
    width: 100%;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--c-border);
    margin-top: 1rem;
    font-size: 0.78rem;
    color: var(--c-text-dim);
}

@media (max-width: 768px) {
    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
    .footer__links {
        justify-content: center;
    }
}


/* ═══════════════════════════════════════════════════════════════
   SELECTION & SCROLLBAR
   ═══════════════════════════════════════════════════════════════ */

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

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--c-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--c-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--c-text-dim);
}


/* ═══════════════════════════════════════════════════════════════
   LIGHT MODE
   ═══════════════════════════════════════════════════════════════ */

[data-theme="light"] {
    --c-bg: #F8F8FA;
    --c-surface: #FFFFFF;
    --c-surface2: #F0F0F3;
    --c-border: #E4E4E7;
    --c-text: #18181B;
    --c-text-dim: #71717A;
    --c-accent: #5B54E0;
    --c-accent2: #00B88A;
}


/* Nav adjustments for light */

[data-theme="light"] .nav {
    background: rgba(248, 248, 250, 0.75);
}

[data-theme="light"] .nav.is-scrolled {
    background: rgba(248, 248, 250, 0.95);
}


/* Hero video brighter in light mode */

[data-theme="light"] .hero__video {
    opacity: 0.2;
    filter: brightness(1.2) saturate(0.4);
}

[data-theme="light"] .hero__video-overlay {
    background: linear-gradient(180deg, var(--c-bg) 0%, rgba(248, 248, 250, 0.6) 30%, rgba(248, 248, 250, 0.6) 70%, var(--c-bg) 100%), linear-gradient(135deg, rgba(91, 84, 224, 0.06) 0%, transparent 60%);
}

[data-theme="light"] .hero__video-overlay::after {
    background-image: linear-gradient(rgba(91, 84, 224, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(91, 84, 224, 0.05) 1px, transparent 1px);
}


/* Hero grid-bg for light mode */

[data-theme="light"] .hero__grid-bg {
    background-image: linear-gradient(rgba(91, 84, 224, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(91, 84, 224, 0.04) 1px, transparent 1px);
}


/* Hero text legibility on light */

[data-theme="light"] .hero__title {
    color: var(--c-text);
}

[data-theme="light"] .hero__scroll-indicator {
    color: var(--c-text-dim);
}


/* Service cards shadow for light */

[data-theme="light"] .service-card:hover {
    box-shadow: 0 20px 60px rgba(91, 84, 224, 0.1);
}


/* Work card visuals: softer in light mode */

[data-theme="light"] .work-card__visual {
    opacity: 0.9;
}


/* Portfolio list: softer tint in light mode */

[data-theme="light"] .pf-item:hover {
    background: color-mix(in srgb, var(--item-hue, var(--c-accent)) 4%, transparent);
}


/* Contact form bg */

[data-theme="light"] .contact__form {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
}


/* Button ghost border on light */

[data-theme="light"] .btn--ghost {
    border-color: var(--c-border);
}

[data-theme="light"] .btn--ghost:hover {
    border-color: var(--c-text-dim);
    background: rgba(0, 0, 0, 0.03);
}


/* Marquee text contrast */

[data-theme="light"] .marquee__track span {
    color: var(--c-border);
}


/* Mobile nav menu for light */

@media (max-width: 768px) {
    [data-theme="light"] .nav__links {
        background: rgba(248, 248, 250, 0.97);
    }
}


/* Light scrollbar */

[data-theme="light"] ::-webkit-scrollbar-track {
    background: var(--c-bg);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: var(--c-border);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: var(--c-text-dim);
}


/* ═══════════════════════════════════════════════════════════════
   FORM SUBMISSION MODAL
   ═══════════════════════════════════════════════════════════════ */

#form-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

#form-modal.is-open {
    opacity: 1;
    pointer-events: all;
}

.fm-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.fm-card {
    position: relative;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 420px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
}

#form-modal.is-open .fm-card {
    transform: translateY(0) scale(1);
}


/* Spinner */

.fm-spinner {
    width: 56px;
    height: 56px;
    display: none;
}

.fm-spinner svg {
    width: 100%;
    height: 100%;
    animation: fm-rotate 1s linear infinite;
}

.fm-spinner svg circle {
    stroke: var(--c-accent);
    stroke-linecap: round;
    stroke-dasharray: 90, 150;
    stroke-dashoffset: 0;
    animation: fm-dash 1.5s ease-in-out infinite;
}

@keyframes fm-rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes fm-dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}


/* Success / error icons */

.fm-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fm-icon svg {
    width: 28px;
    height: 28px;
}

.fm-icon--success {
    background: rgba(0, 217, 165, 0.12);
    border: 2px solid rgba(0, 217, 165, 0.35);
    color: var(--c-accent2);
}

.fm-icon--error {
    background: rgba(255, 107, 107, 0.12);
    border: 2px solid rgba(255, 107, 107, 0.35);
    color: var(--c-danger);
}


/* State: loading */

#form-modal[data-state="loading"] .fm-spinner {
    display: block;
}

#form-modal[data-state="loading"] .fm-close {
    display: none;
}


/* State: success */

#form-modal[data-state="success"] .fm-icon--success {
    display: flex;
}

#form-modal[data-state="success"] .fm-title {
    color: var(--c-accent2);
}


/* State: error */

#form-modal[data-state="error"] .fm-icon--error {
    display: flex;
}

#form-modal[data-state="error"] .fm-title {
    color: var(--c-danger);
}

.fm-title {
    font-family: var(--ff-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--c-text);
    margin: 0.25rem 0 0;
    line-height: 1.25;
}

.fm-sub {
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
    line-height: 1.6;
    max-width: 300px;
}

.fm-close {
    margin-top: 0.75rem;
    padding: 0.6rem 1.8rem;
    font-size: var(--fs-sm);
}


/* Light mode adjustments */

[data-theme="light"] .fm-backdrop {
    background: rgba(0, 0, 0, 0.45);
}

[data-theme="light"] .fm-card {
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
}