/* Layout: header, immersive hero, output grid, portfolio, steps,
   gallery, contact form, CTA band, footer */

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

.container--wide {
    max-width: 1500px;
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* ============================================
   Header — overlay on hero, solid on scroll
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: var(--header-height);
    padding: 0 var(--container-padding);
    background: rgba(248, 246, 243, 0);
    transition:
        background var(--transition-base),
        color var(--transition-base),
        border-color var(--transition-base);
    border-bottom: 1px solid transparent;
}

.site-header--overlay {
    color: var(--color-text-invert);
}

.site-header--overlay .logo-link,
.site-header--overlay .site-nav a,
.site-header--overlay .header-cta {
    color: var(--color-text-invert);
}

.site-header--overlay .header-cta {
    border-color: var(--color-text-invert);
}

.site-header--overlay .site-menu-toggle span {
    background: var(--color-text-invert);
}

.site-header.scrolled {
    background: rgba(248, 246, 243, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--color-rule-soft);
    color: var(--color-text);
}

.site-header.scrolled .logo-link,
.site-header.scrolled .site-nav a,
.site-header.scrolled .header-cta {
    color: var(--color-text);
}

.site-header.scrolled .header-cta {
    border-color: var(--color-text);
}

.site-header.scrolled .site-menu-toggle span {
    background: var(--color-text);
}

.site-header .logo-link {
    z-index: 1001;
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-decoration: none;
    text-transform: uppercase;
    transition: color var(--transition-base);
}

.site-nav {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2.5rem;
    align-items: center;
}

.site-nav a {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    transition: opacity var(--transition-base), color var(--transition-base);
}

.site-nav a:hover {
    opacity: 0.7;
}

.header-cta {
    display: none;
    align-items: center;
    padding: 0.65rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid;
    border-radius: var(--radius-sm);
    transition:
        background var(--transition-base),
        color var(--transition-base);
}

.site-header--overlay .header-cta:hover {
    background: var(--color-text-invert);
    color: var(--color-text);
}

.site-header.scrolled .header-cta:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

@media (min-width: 900px) {
    .site-nav,
    .header-cta {
        display: inline-flex;
    }
}

.site-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    z-index: 1001;
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 900px) {
    .site-menu-toggle {
        display: none;
    }
}

.site-menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    transition:
        transform var(--transition-base),
        opacity var(--transition-base),
        background var(--transition-base);
}

.site-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.site-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.site-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.site-mobile-nav {
    position: fixed;
    inset: 0;
    top: var(--header-height);
    background: var(--color-bg);
    padding: 2.5rem var(--container-padding);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition:
        transform var(--transition-slow),
        opacity var(--transition-base);
    z-index: 999;
    border-bottom: 1px solid var(--color-rule);
}

.site-mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

@media (min-width: 900px) {
    .site-mobile-nav {
        display: none;
    }
}

.site-mobile-nav .nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-mobile-nav .nav-list li {
    margin-bottom: 1.5rem;
}

.site-mobile-nav .nav-list a {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.1;
    text-decoration: none;
    color: var(--color-text);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition:
        background var(--transition-base),
        color var(--transition-base),
        border-color var(--transition-base),
        transform 0.2s ease;
}

.btn--lg {
    padding: 1.15rem 2.25rem;
    font-size: 0.82rem;
}

.btn:active {
    transform: scale(0.98);
}

.btn--primary {
    background: var(--color-text);
    color: var(--color-text-invert);
    border-color: var(--color-text);
}

.btn--primary:hover {
    background: transparent;
    color: var(--color-text);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
}

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

.btn--ghost-invert {
    color: var(--color-text-invert);
    border-color: var(--color-text-invert);
}

.btn--ghost-invert:hover {
    background: var(--color-text-invert);
    color: var(--color-text);
}

.btn--link {
    background: transparent;
    border: none;
    padding: 0.5rem 0;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    border-bottom: 1px solid var(--color-text);
    border-radius: 0;
}

.btn--link:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.btn--link-light {
    color: var(--color-text-invert);
    border-bottom-color: var(--color-text-invert);
}

.btn--link-light:hover {
    color: var(--color-text-invert);
    border-bottom-color: var(--color-text-invert);
    opacity: 0.7;
}

.btn--link .arrow {
    margin-left: 0.5rem;
    transition: transform var(--transition-base);
}

.btn--link:hover .arrow {
    transform: translateX(3px);
}

/* ============================================
   Hero — immersive, full viewport
   ============================================ */
.hero--immersive {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    color: var(--color-text-invert);
    padding-bottom: clamp(3rem, 8vh, 6rem);
}

.hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-hero);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    width: 100%;
    color: var(--color-text-invert);
}

.hero__eyebrow {
    font-family: var(--font-sans);
    font-size: var(--text-label);
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(248, 246, 243, 0.78);
    margin: 0 0 1.25rem;
}

.hero__heading {
    font-family: var(--font-display);
    font-size: var(--text-hero);
    font-weight: 800;
    line-height: 0.92;
    letter-spacing: -0.025em;
    color: var(--color-text-invert);
    margin: 0 0 1.5rem;
    text-transform: uppercase;
}

.hero__heading-line {
    display: block;
}

.hero__sub {
    font-family: var(--font-sans);
    font-size: clamp(1.05rem, 1.5vw, 1.35rem);
    line-height: 1.5;
    color: rgba(248, 246, 243, 0.88);
    max-width: 40rem;
    margin: 0 0 2.25rem;
}

.hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.75rem;
    align-items: center;
}

.hero__scroll {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    z-index: 2;
    display: none;
}

@media (min-width: 900px) {
    .hero__scroll {
        display: block;
    }
}

.hero__scroll span {
    display: block;
    width: 1px;
    height: 40px;
    margin: 0 auto;
    background: rgba(248, 246, 243, 0.5);
    position: relative;
    overflow: hidden;
}

.hero__scroll span::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--color-text-invert);
    animation: scrollHint 2.2s ease-in-out infinite;
}

@keyframes scrollHint {
    0% { transform: translateY(-100%); }
    60% { transform: translateY(100%); }
    100% { transform: translateY(100%); }
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--section-padding) 0;
    scroll-margin-top: var(--header-height);
}

.cta-band,
.hero--immersive {
    scroll-margin-top: 0;
}

.section--dark {
    background: var(--color-bg-dark);
    color: var(--color-text-invert);
}

.section__head {
    max-width: 50rem;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section__head--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section__head--center .lead {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Experience — 6 output tiles
   ============================================ */
.output-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .output-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
}

@media (min-width: 1000px) {
    .output-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
    }
}

.output-tile {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--radius-sm);
    aspect-ratio: 4 / 5;
    background: var(--color-bg-dark);
    text-decoration: none;
    color: var(--color-text-invert);
}

.output-tile img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s var(--ease-out-expo);
}

.output-tile::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--overlay-tile);
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.output-tile:hover img {
    transform: scale(1.04);
}

.output-tile__caption {
    position: absolute;
    left: 1.5rem;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 2;
    display: flex;
    align-items: baseline;
    gap: 0.85rem;
    color: var(--color-text-invert);
}

.output-tile__num {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    opacity: 0.7;
}

.output-tile__label {
    font-family: var(--font-ui);
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.15;
}

/* ============================================
   Portfolio — editorial grid
   ============================================ */
.portfolio-editorial {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 720px) {
    .portfolio-editorial {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (min-width: 1000px) {
    .portfolio-editorial {
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: minmax(220px, auto);
        gap: 1.5rem;
    }

    .portfolio-cell--featured {
        grid-column: span 2;
        grid-row: span 2;
    }

    .portfolio-cell--wide {
        grid-column: span 2;
    }
}

.portfolio-cell {
    margin: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: #1a1a1a;
    aspect-ratio: 4 / 5;
}

.portfolio-cell--wide {
    aspect-ratio: 7 / 5;
}

.portfolio-cell--featured {
    aspect-ratio: 4 / 5;
}

@media (min-width: 1000px) {
    .portfolio-cell,
    .portfolio-cell--featured,
    .portfolio-cell--wide {
        aspect-ratio: auto;
        height: 100%;
    }
}

.portfolio-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s var(--ease-out-expo);
}

.portfolio-cell:hover img {
    transform: scale(1.03);
}

/* ============================================
   How it works — bold 3-step
   ============================================ */
.section--how {
    background: var(--color-bg-warm);
}

.steps-bold {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: clamp(2.5rem, 5vw, 4rem);
    grid-template-columns: 1fr;
    counter-reset: step;
}

@media (min-width: 800px) {
    .steps-bold {
        grid-template-columns: repeat(3, 1fr);
        gap: clamp(2.5rem, 4vw, 3.5rem);
    }
}

.step-bold {
    position: relative;
    padding-top: 2rem;
    border-top: 1px solid var(--color-rule);
}

.step-bold__num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 5.5vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0 0 1.5rem;
}

.step-bold__title {
    font-family: var(--font-ui);
    font-size: clamp(1.25rem, 1.8vw, 1.5rem);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.005em;
    color: var(--color-text);
    margin: 0 0 0.75rem;
}

.step-bold__text {
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 32ch;
}

/* ============================================
   Gallery — masonry via CSS columns
   ============================================ */
.gallery-masonry {
    column-count: 1;
    column-gap: 1rem;
}

@media (min-width: 600px) {
    .gallery-masonry {
        column-count: 2;
        column-gap: 1.25rem;
    }
}

@media (min-width: 1000px) {
    .gallery-masonry {
        column-count: 3;
        column-gap: 1.5rem;
    }
}

@media (min-width: 1300px) {
    .gallery-masonry {
        column-count: 4;
    }
}

.gallery-cell {
    margin: 0 0 1rem;
    break-inside: avoid;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: var(--color-bg-warm);
}

@media (min-width: 600px) {
    .gallery-cell {
        margin-bottom: 1.25rem;
    }
}

@media (min-width: 1000px) {
    .gallery-cell {
        margin-bottom: 1.5rem;
    }
}

.gallery-cell img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 1.2s var(--ease-out-expo);
}

.gallery-cell:hover img {
    transform: scale(1.03);
}

/* ============================================
   Contact — form section
   ============================================ */
.section--contact {
    background: var(--color-bg);
}

.inquiry-form {
    margin: 0 auto;
}

.cta-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 2rem;
    margin-top: clamp(2.5rem, 5vw, 3.5rem);
    padding-top: 2rem;
    border-top: 1px solid var(--color-rule);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.cta-contact a {
    color: var(--color-text-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--color-rule);
    padding-bottom: 2px;
    transition:
        color var(--transition-base),
        border-color var(--transition-base);
}

.cta-contact a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* ============================================
   Final CTA — bold dark band
   ============================================ */
.cta-band {
    background: var(--color-bg-dark);
    color: var(--color-text-invert);
    padding: clamp(5rem, 12vw, 9rem) 0;
    text-align: center;
}

.cta-band .container {
    max-width: 880px;
}

.cta-band__heading {
    margin: 0 0 2.5rem;
}

/* ============================================
   Footer — slim row
   ============================================ */
.site-footer {
    padding: 2.5rem var(--container-padding);
    border-top: 1px solid var(--color-rule);
    background: var(--color-bg);
}

.site-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--color-text-soft);
}

.site-footer__brand {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text);
    text-decoration: none;
}

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

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.75rem;
    align-items: center;
}

.site-footer__links a {
    color: var(--color-text-muted);
    text-decoration: none;
}

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

.site-footer__meta {
    color: var(--color-text-soft);
    margin: 0;
}