/* ============================================
   MELT v2 - Where Brands Meet Culture
   Valiente-inspired single-page scroll
   ============================================ */

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

:root {
    /* Colors */
    --color-bg: #d9d4cc;
    --color-text: #0a2463;
    --color-accent: #FF4D00;
    --color-text-muted: rgba(10, 36, 99, 0.6);
    --color-border: rgba(10, 36, 99, 0.1);
    --color-border-strong: rgba(10, 36, 99, 0.2);
    --color-surface: rgba(10, 36, 99, 0.05);
    --color-surface-strong: rgba(10, 36, 99, 0.08);
    --color-overlay: rgba(217, 212, 204, 0.8);
    --color-overlay-dark: rgba(10, 36, 99, 0.9);

    /* Typography */
    --font-display: 'industry', sans-serif;
    --font-body: 'industry', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;

    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-base: 400ms ease;
    --transition-slow: 800ms ease;
}

/* Dark mode: activated by OS preference OR manual toggle */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg: #1a1a1f;
        --color-text: #e8e4de;
        --color-accent: #FF6B2E;
        --color-text-muted: rgba(232, 228, 222, 0.6);
        --color-border: rgba(232, 228, 222, 0.12);
        --color-border-strong: rgba(232, 228, 222, 0.2);
        --color-surface: rgba(232, 228, 222, 0.04);
        --color-surface-strong: rgba(232, 228, 222, 0.08);
        --color-overlay: rgba(26, 26, 31, 0.75);
        --color-overlay-dark: rgba(26, 26, 31, 0.82);
    }
}


/* Manual dark mode override */
:root[data-theme="dark"] {
    --color-bg: #1a1a1f;
    --color-text: #e8e4de;
    --color-accent: #FF6B2E;
    --color-text-muted: rgba(232, 228, 222, 0.6);
    --color-border: rgba(232, 228, 222, 0.12);
    --color-border-strong: rgba(232, 228, 222, 0.2);
    --color-surface: rgba(232, 228, 222, 0.04);
    --color-surface-strong: rgba(232, 228, 222, 0.08);
    --color-overlay: rgba(26, 26, 31, 0.75);
    --color-overlay-dark: rgba(26, 26, 31, 0.82);
}

/* Dark mode accent touches */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .header__logo-img {
        filter: brightness(0) invert(1);
    }
    :root:not([data-theme="light"]) .nav__link:hover {
        color: var(--color-accent);
        opacity: 1;
    }
    :root:not([data-theme="light"]) .header__theme-toggle {
        border-color: var(--color-accent);
    }
    :root:not([data-theme="light"]) .header__cta-arrow {
        border-color: var(--color-accent);
    }
    :root:not([data-theme="light"]) .header__cta:hover .header__cta-arrow {
        background-color: var(--color-accent);
    }
    :root:not([data-theme="light"]) .contact__link:hover {
        border-bottom-color: var(--color-accent);
    }
}

:root[data-theme="dark"] .header__logo-img {
    filter: brightness(0) invert(1);
}
:root[data-theme="dark"] .nav__link:hover {
    color: var(--color-accent);
    opacity: 1;
}
:root[data-theme="dark"] .header__theme-toggle {
    border-color: var(--color-accent);
}
:root[data-theme="dark"] .header__cta-arrow {
    border-color: var(--color-accent);
}
:root[data-theme="dark"] .header__cta:hover .header__cta-arrow {
    background-color: var(--color-accent);
}
:root[data-theme="dark"] .contact__link:hover {
    border-bottom-color: var(--color-accent);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
    font-family: inherit;
}

/* --- HEADER / NAVIGATION --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md);
    pointer-events: none;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 256px;
    background: linear-gradient(to bottom, var(--color-bg) 0%, var(--color-bg) 40%, transparent 100%);
    pointer-events: none;
}

.header > * {
    pointer-events: auto;
}

.nav {
    position: fixed;
    top: 6rem;
    left: var(--space-md);
    z-index: 1001;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav.is-hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.nav__links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav__link {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    transition: opacity var(--transition-fast);
}

.nav__link:hover {
    opacity: 0.5;
}

.header__logo {
    position: fixed;
    top: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
}

.header__logo-img {
    height: 64px;
    width: auto;
}

.header__hamburger {
    position: fixed;
    top: var(--space-md);
    left: var(--space-md);
    z-index: 1002;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.header__hamburger.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.header__hamburger-line {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast);
}

.header__hamburger.is-open .header__hamburger-line:first-child {
    transform: rotate(45deg) translateY(5px);
}

.header__hamburger.is-open .header__hamburger-line:last-child {
    transform: rotate(-45deg) translateY(-5px);
}

.header__cta {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.header__cta-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

.header__cta-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-text);
    border-radius: 50%;
    font-size: 1.2rem;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.header__cta:hover .header__cta-arrow {
    background-color: var(--color-text);
    color: var(--color-bg);
}

/* Theme Toggle */
.header__theme-toggle {
    position: fixed;
    bottom: calc(var(--space-md) + 20px);
    right: var(--space-md);
    z-index: 1001;
    width: 36px;
    height: 36px;
    border: 2px solid var(--color-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    pointer-events: auto;
}

.header__theme-toggle:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
}

.header__theme-toggle-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid currentColor;
    position: relative;
    transition: background var(--transition-fast);
}

.header__theme-toggle-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: currentColor;
    border-radius: 50% 0 0 50%;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.mobile-menu.is-open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 8vw, 4rem);
    text-transform: uppercase;
    color: var(--color-text);
    transition: opacity var(--transition-fast);
}

.mobile-menu__link:hover {
    opacity: 0.5;
}

/* --- HERO --- */
/* --- HERO ROTATING BACKGROUND --- */
.hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    overflow: hidden;
}

.hero-bg__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.hero-bg__img.is-active {
    opacity: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay);
    z-index: 1;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: var(--space-xl) var(--space-md);
}

.hero__content {
    text-align: center;
    width: 100%;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 12vw, 10rem);
    font-weight: 800;
    line-height: 0.9;
    text-transform: uppercase;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.hero__title-line {
    display: block;
}

.hero__sub {
    position: absolute;
    bottom: 20vh;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text);
    text-align: center;
    white-space: nowrap;
}

.hero__bottom {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    right: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

.hero__bottom-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* --- CLIENT LOGOS --- */
.logos {
    padding: var(--space-lg) var(--space-md);
    overflow: hidden;
}

.logos__track {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.logos__item {
    height: clamp(20px, 3vw, 36px);
    width: auto;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.logos__item:hover {
    opacity: 1;
}

/* --- SECTION HEADING --- */
.section-heading {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 800;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
    line-height: 0.9;
}

.section-heading--large {
    font-size: clamp(3.5rem, 12vw, 10rem);
}

/* --- MANIFESTO --- */
.manifesto {
    padding: var(--space-2xl) var(--space-md);
    max-width: 900px;
    margin: 0 auto;
}

.manifesto__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.manifesto__line {
    font-family: var(--font-body);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.manifesto__line--proof {
    color: var(--color-text);
    font-weight: 700;
}

/* --- SERVICES --- */
.services {
    position: relative;
    padding: var(--space-2xl) var(--space-md);
    overflow: hidden;
}

.services > .section-heading {
    position: relative;
    z-index: 2;
}

.services__images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.services__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.services__img.is-active {
    opacity: 1;
}

.services__images::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay);
    z-index: 1;
}

.services__carousel {
    position: relative;
    z-index: 2;
}

.services__slides {
    position: relative;
    min-height: 400px;
}

.services__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.services__slide.active {
    position: relative;
    opacity: 1;
    pointer-events: auto;
}

.services__slide-content {
    max-width: 700px;
}

.services__slide-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    line-height: 1;
}

.services__slide-description {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-lg);
}

.services__slide-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.services__slide-list li {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text);
    padding-left: 1.5rem;
    position: relative;
}

.services__slide-list li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--color-text);
}

.services__nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.services__counter {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.services__arrows {
    display: flex;
    gap: var(--space-sm);
}

.services__arrow {
    font-size: 1.5rem;
    color: var(--color-text);
    transition: opacity var(--transition-fast);
    padding: 0.25rem;
}

.services__arrow:hover {
    opacity: 0.5;
}

/* --- WORK --- */
.work {
    padding: var(--space-2xl) var(--space-md);
}


.text-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-text);
    padding-bottom: 0.25rem;
    transition: opacity var(--transition-fast);
}

.text-link:hover {
    opacity: 0.5;
}

/* --- TEAM --- */
.team {
    padding: var(--space-2xl) var(--space-md);
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.team__member {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.team__member-photo {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1/1;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.team__member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team__member-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    text-transform: uppercase;
}

.team__member-role {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

/* --- CONTACT --- */
.contact {
    padding: var(--space-2xl) var(--space-md);
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact__sub {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.contact__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.contact__link {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text);
    border-bottom: 1px solid transparent;
    display: inline-block;
    width: fit-content;
    transition: border-color var(--transition-fast);
}

.contact__link:hover {
    border-bottom-color: var(--color-text);
}

.contact__social {
    display: flex;
    gap: var(--space-md);
}

.contact__social-link {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.contact__social-link:hover {
    color: var(--color-text);
}

/* --- FOOTER --- */
.footer {
    padding: var(--space-lg) var(--space-md) var(--space-md);
    overflow: hidden;
}

.footer__wordmark {
    font-family: var(--font-display);
    font-size: clamp(6rem, 25vw, 20rem);
    font-weight: 800;
    text-transform: uppercase;
    color: var(--color-text);
    line-height: 0.8;
    white-space: nowrap;
    margin-bottom: var(--space-lg);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

.footer__privacy {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --- SCRAMBLE TEXT STYLING --- */
[data-scramble] .char {
    display: inline-block;
    transition: none;
}

[data-scramble-ambient] {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- RESPONSIVE --- */

@media (max-width: 768px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 3rem;
        --space-xl: 5rem;
        --space-2xl: 8rem;
    }

    .nav {
        display: none;
    }

    .header__hamburger {
        opacity: 1;
        pointer-events: auto;
    }

    .header__cta-text {
        display: none;
    }

    .hero__sub {
        white-space: normal;
        max-width: 320px;
        bottom: 12vh;
        line-height: 1.4;
    }

    .hero__title {
        font-size: clamp(2.5rem, 14vw, 5rem);
        line-height: 0.95;
    }

    .logos__track {
        gap: var(--space-md);
    }

    .logos__item {
        height: clamp(16px, 4vw, 24px);
    }

    .manifesto {
        padding: var(--space-xl) var(--space-sm);
    }

    .services__slides {
        min-height: 350px;
    }

    .services__nav {
        justify-content: space-between;
    }

    .contact {
        min-height: auto;
        padding: var(--space-xl) var(--space-md);
    }

    .team__grid {
        grid-template-columns: 1fr;
    }

    .footer__wordmark {
        font-size: clamp(4rem, 20vw, 8rem);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-xs);
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: clamp(2rem, 13vw, 4rem);
        line-height: 0.95;
    }

    .hero__sub {
        bottom: 8vh;
        font-size: 0.75rem;
        max-width: 280px;
        line-height: 1.4;
    }

    .hero__bottom {
        font-size: 0.6rem;
    }

    .hero__bottom-center {
        display: none;
    }

    .section-heading {
        font-size: clamp(2rem, 12vw, 3.5rem);
    }
}