/* ============================================
   Be77yy - Premium Creative Agency
   Design System & Base Styles
   ============================================ */

:root {
    /* Colors - Deep, sophisticated palette */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-bg-card: #16161f;
    --color-surface: #1a1a24;
    
    --color-text: #f5f5f7;
    --color-text-muted: #a1a1aa;
    --color-text-subtle: #71717a;
    
    --color-accent: #c9a227;
    --color-accent-hover: #d4b030;
    --color-accent-muted: rgba(201, 162, 39, 0.15);
    
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.12);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --duration-fast: 200ms;
    --duration-normal: 350ms;
    --duration-slow: 600ms;
    
    /* Header */
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-fast), opacity var(--duration-fast);
}

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-md);
    z-index: 10000;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    border-radius: 4px;
    transition: top var(--duration-normal);
}

.skip-link:focus {
    top: var(--space-md);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ============================================
   Cookie Banner
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    transform: translateY(100%);
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.cookie-banner.is-visible {
    transform: translateY(0);
}

.cookie-banner__content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-lg);
}

.cookie-banner__content p {
    flex: 1;
    min-width: 250px;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.cookie-banner__content a {
    color: var(--color-accent);
    text-decoration: underline;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--duration-normal) var(--ease-out-quart);
}

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

.btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 162, 39, 0.3);
}

.btn--outline {
    border: 2px solid var(--color-border-strong);
    color: var(--color-text);
}

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

.btn--outline.btn--light {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-text);
}

.btn--outline.btn--light:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

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

.btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
}

/* ============================================
   Header (Sticky)
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: background var(--duration-normal), border-color var(--duration-normal), box-shadow var(--duration-normal);
}

.header.is-scrolled {
    background: rgba(10, 10, 15, 0.95);
    border-color: var(--color-border);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.header__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.header__toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-sm);
}

.header__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--duration-normal), opacity var(--duration-normal);
}

.header__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.header__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    list-style: none;
}

.nav-list a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-list a:hover {
    color: var(--color-text);
}

.nav-cta {
    padding: 0.5rem 1rem;
    background: var(--color-accent-muted);
    color: var(--color-accent) !important;
    border-radius: 6px;
}

.nav-cta:hover {
    background: var(--color-accent);
    color: var(--color-bg) !important;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--space-4xl)) var(--space-xl) var(--space-4xl);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.4) 0%, rgba(10, 10, 15, 0.85) 60%, var(--color-bg) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero__label {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
    opacity: 0;
    transform: translateY(30px);
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.scroll-indicator {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-subtle), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-header--light .section-label {
    color: var(--color-accent);
}

.section-header--light .section-title {
    color: var(--color-text);
}

.section-label {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
}

/* ============================================
   Trust Bar
   ============================================ */
.trust-bar {
    padding: var(--space-2xl) var(--space-xl);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-bar__container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.trust-bar__number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.trust-bar__label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ============================================
   Services
   ============================================ */
.services {
    padding: var(--space-4xl) 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.service-card {
    padding: var(--space-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all var(--duration-normal) var(--ease-out-quart);
}

.service-card:hover {
    border-color: var(--color-accent-muted);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    color: var(--color-accent);
}

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

.service-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ============================================
   Work / Portfolio
   ============================================ */
.work {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-elevated);
}

.work__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.work-card__link {
    display: block;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 3/2;
}

.work-card__link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.work-card__link:hover img {
    transform: scale(1.05);
}

.work-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-xl);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.work-card__link:hover .work-card__overlay {
    opacity: 1;
}

.work-card__overlay h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.work-card__overlay span {
    font-size: 0.875rem;
    color: var(--color-accent);
}

.work__cta {
    text-align: center;
}

/* ============================================
   About
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
}

.about__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about__content .section-header {
    text-align: left;
    margin: 0 0 var(--space-2xl);
}

.about__content .section-label,
.about__content .section-title {
    text-align: left;
}

.about__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.about__list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.about__list li {
    position: relative;
    padding-left: var(--space-lg);
    color: var(--color-text-muted);
}

.about__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.about__image {
    border-radius: 12px;
    overflow: hidden;
}

.about__image img {
    width: 100%;
    height: auto;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-elevated);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    padding: var(--space-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.testimonial-card__stars {
    color: var(--color-accent);
    font-size: 1rem;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.testimonial-card__quote {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    flex-direction: column;
}

.testimonial-card__author strong {
    color: var(--color-text);
    font-size: 1rem;
}

.testimonial-card__author span {
    font-size: 0.875rem;
    color: var(--color-text-subtle);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.cta__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-muted) 0%, transparent 50%);
}

.cta__content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.cta__subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

/* ============================================
   Contact
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact__desc {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.contact__details p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-muted);
}

.contact__details a {
    color: var(--color-accent);
}

.contact__details a:hover {
    text-decoration: underline;
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    transition: border-color var(--duration-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-subtle);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group input:invalid:not(:placeholder-shown):not(:focus),
.form-group textarea:invalid:not(:placeholder-shown):not(:focus) {
    border-color: #dc2626;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.footer__logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.footer__nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    list-style: none;
}

.footer__nav a {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

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

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer__bottom p {
    font-size: 0.875rem;
    color: var(--color-text-subtle);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 999;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--duration-normal) var(--ease-out-quart);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Animations (data-animate)
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-slow) var(--ease-out-expo), transform var(--duration-slow) var(--ease-out-expo);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.services__grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services__grid .service-card:nth-child(2) { transition-delay: 80ms; }
.services__grid .service-card:nth-child(3) { transition-delay: 160ms; }
.services__grid .service-card:nth-child(4) { transition-delay: 240ms; }

.work__grid .work-card:nth-child(1) { transition-delay: 0ms; }
.work__grid .work-card:nth-child(2) { transition-delay: 100ms; }
.work__grid .work-card:nth-child(3) { transition-delay: 200ms; }

.testimonials__grid .testimonial-card:nth-child(1) { transition-delay: 0ms; }
.testimonials__grid .testimonial-card:nth-child(2) { transition-delay: 80ms; }
.testimonials__grid .testimonial-card:nth-child(3) { transition-delay: 160ms; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .work__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .work__grid .work-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }
    
    .trust-bar__container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about__container {
        grid-template-columns: 1fr;
    }
    
    .about__image {
        order: -1;
    }
    
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    
    .contact__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header__toggle {
        display: flex;
    }
    
    .header__nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-elevated);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-xl);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--duration-normal);
    }
    
    .header__nav.is-open {
        max-height: 400px;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .work__grid {
        grid-template-columns: 1fr;
    }
    
    .work__grid .work-card:last-child {
        max-width: none;
    }
    
    .trust-bar__container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about__list {
        grid-template-columns: 1fr;
    }
    
    .cookie-banner__content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer__top {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer__nav ul {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 64px;
    }
    
    .hero__cta {
        flex-direction: column;
    }
    
    .hero__cta .btn {
        width: 100%;
    }
}