/* =========================================================================
   HABITAT CREATIVE SYDNEY - PREMIUM DESIGN SYSTEM
   ========================================================================= */

:root {
    /* Colors */
    --color-charcoal: #232323;
    /* Dark Text / Accent */
    --color-slate: #5e5e5e;
    --color-sand: #e6dfd3;
    /* Secondary Background */
    --color-sand-light: #f5f2ec;
    --color-white: #ffffff;
    --color-accent: #a39382;
    /* Primary Taupe */
    --color-accent-light: #c2b7ad;

    /* Typography */
    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-secondary: 'Bicyclette', 'Inter', sans-serif;

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

    /* Transitions */
    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================================================
   RESET & BASE STYLES
   ========================================================================= */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--color-charcoal);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.01em;
}

h2 em {
    font-family: var(--font-secondary);
    font-style: italic;
    color: var(--color-slate);
}

p {
    font-size: 1.125rem;
    color: var(--color-slate);
    margin-bottom: var(--space-md);
    max-width: 65ch;
}

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

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

/* =========================================================================
   LAYOUT UTILITIES
   ========================================================================= */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: var(--space-xl) 0;
}

/* =========================================================================
   NAVIGATION
   ========================================================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled .logo,
.navbar.scrolled .nav-link {
    color: var(--color-charcoal);
}

.navbar.scrolled .btn-light {
    border-color: var(--color-charcoal);
    color: var(--color-charcoal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    color: var(--color-white);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.logo-bold {
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-medium);
}

.nav-link:hover::after {
    width: 100%;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-medium);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-white);
    color: var(--color-accent) !important;
}

.btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
}

.btn-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-light:hover {
    background-color: var(--color-white);
    color: var(--color-charcoal);
}

.btn-dark {
    background-color: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn-dark:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-btn span {
    width: 30px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

.navbar.scrolled .mobile-menu-btn span {
    background-color: var(--color-charcoal);
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: var(--color-white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    /* For subtle parallax zoom */
    animation: slowZoom 20s infinite alternate;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(26, 26, 26, 0.1), rgba(26, 26, 26, 0.25));
}

.hero-content {
    margin-top: 5rem;
    position: relative;
    z-index: 1;
}

.hero-content p {
    color: var(--color-sand);
    font-size: 1.25rem;
    max-width: 50ch;
}

.hero-cta {
    margin-top: 3rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 1;
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: var(--color-white);
    animation: scrollLine 2s infinite cubic-bezier(0.77, 0, 0.175, 1);
}

/* =========================================================================
   ABOUT SECTION
   ========================================================================= */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.title-line {
    width: 60px;
    height: 2px;
    background-color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-charcoal);
    margin-top: var(--space-sm);
    transition: var(--transition-fast);
}

.link-arrow .arrow {
    transition: transform var(--transition-fast);
}

.link-arrow:hover {
    color: var(--color-accent);
}

.link-arrow:hover .arrow {
    transform: translateX(10px);
}

.about-image {
    position: relative;
}

.about-image img {
    position: relative;
    z-index: 2;
    box-shadow: -20px 20px 60px rgba(0, 0, 0, 0.1);
}

.image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background-color: var(--color-sand-light);
    z-index: 1;
}

/* =========================================================================
   ANIMATIONS & UTILITIES
   ========================================================================= */

@keyframes slowZoom {
    from {
        transform: scale(1.05);
    }

    to {
        transform: scale(1.15);
    }
}

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

    100% {
        transform: translateY(200%);
    }
}

/* Visibility Classes for JS intersection observer */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-left {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.is-visible {
    opacity: 1 !important;
    transform: translate(0) !important;
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* Responsive text reveals */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================================
   MEDIA QUERIES
   ========================================================================= */

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-charcoal);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition-medium);
        z-index: 100;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--color-white);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--color-white);
    }

    .btn {
        padding: 0.8rem 2rem;
    }
}

/* =========================================================================
   UTILITIES
   ========================================================================= */

.text-center {
    text-align: center;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.w-100 {
    width: 100%;
    display: block;
    text-align: center;
}

.bg-light {
    background-color: var(--color-sand-light);
}

/* =========================================================================
   SERVICES SECTION
   ========================================================================= */

.services-section .section-header {
    margin-bottom: var(--space-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 3rem 2rem;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
    transition: var(--transition-medium);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
    border-color: var(--color-sand);
}

.service-header {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1.5rem;
}

.service-icon {
    font-family: var(--font-secondary);
    font-size: 3rem;
    color: var(--color-accent);
    opacity: 0.5;
    margin-bottom: 0;
    font-style: italic;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.service-card:hover .service-icon {
    opacity: 1;
    transform: translateX(5px);
}

.service-image {
    width: 100%;
    max-width: 210px;
    justify-self: end;
    aspect-ratio: 3 / 2;
    border-radius: 4px;
    overflow: hidden;
    opacity: 0.9;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, opacity 0.4s ease;
}

.service-image img,
.service-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 3 / 2;
}

.service-card:hover .service-image {
    opacity: 1;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 20px rgba(0, 24, 69, 0.15);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .service-header {
        display: block;
        margin-bottom: 1rem;
    }

    .service-icon {
        margin-bottom: 1rem;
        display: block;
    }

    .service-image {
        display: block;
        width: 100%;
        max-width: 100%;
    }
}

/* =========================================================================
   PORTFOLIO SECTION
   ========================================================================= */

.portfolio-section .section-header {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    grid-auto-rows: 350px;
    gap: 1.5rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item.tall {
    grid-row: span 2;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(26, 26, 26, 0.9));
    color: var(--color-white);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-medium);
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-overlay h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* =========================================================================
   FOOTER & CONTACT
   ========================================================================= */

.footer {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--space-xl) 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: var(--space-xl);
}

.footer-brand h2 {
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-sand);
    max-width: 40ch;
}

.footer-contact h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-contact p {
    color: var(--color-sand);
    margin-bottom: 0.5rem;
}

.footer-contact a {
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    position: relative;
}

.social-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

.social-links a:hover::after {
    width: 100%;
}

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

.form-input {
    background-color: transparent;
    border: 1px solid var(--color-slate);
    padding: 1rem;
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-slate);
}

.form-input:focus {
    border-color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: var(--color-slate);
}

.footer-bottom p {
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* Portfolio mobile query override */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .portfolio-item.wide {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Logo Image Styles */
.logo-img {
    height: 120px;
    width: auto;
    transition: var(--transition-medium);
}

@media (max-width: 768px) {
    .logo-img {
        height: 60px;
    }
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1.5rem;
}

.navbar.scrolled .logo-img {
    filter: invert(1);
}

/* =========================================================================
   PORTFOLIO PAGE STYLES
   ========================================================================= */

.page-portfolio .navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-sand);
}

.page-portfolio .logo,
.page-portfolio .nav-link {
    color: var(--color-charcoal);
}

.page-portfolio .nav-link::after {
    background-color: var(--color-accent);
}

.page-portfolio .btn-dark {
    border-color: var(--color-charcoal);
    color: var(--color-charcoal);
}

.page-portfolio .btn-dark:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

@media (max-width: 768px) {
    .page-portfolio .nav-links.active .nav-link {
        color: var(--color-white) !important;
    }

    .page-portfolio .nav-links.active .btn-dark {
        color: var(--color-white);
        border-color: var(--color-white);
    }
}

.page-portfolio .mobile-menu-btn span {
    background-color: var(--color-charcoal);
}

.page-portfolio .invert-logo {
    filter: invert(1);
}

.archive-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

/* Mosaic Layout */
.masonry-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 250px;
    gap: 1.5rem;
    padding: 2rem 0;
    align-items: stretch;
    grid-auto-flow: dense;
}

.masonry-item {
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    /* Hide using opacity so Chrome still triggers lazy loads */
    opacity: 0;
    transition: opacity 0.6s ease;
}

.masonry-item.loaded {
    opacity: 1;
}

/* Mosaic sizing classes */
.item-small {
    grid-column: span 1;
    grid-row: span 1;
}

.item-tall {
    grid-column: span 1;
    grid-row: span 2;
}

.item-wide {
    grid-column: span 2;
    grid-row: span 1;
}

.item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.masonry-item:hover img {
    transform: scale(1.03);
}

@media (max-width: 992px) {
    .masonry-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }
}

@media (max-width: 576px) {
    .masonry-gallery {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }

    .masonry-item {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
    }
}

/* =========================================================================
   INFINITE IMAGE CAROUSEL
   ========================================================================= */

.carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

/* Optional gradient fade effect on edges */
.carousel-container::before,
.carousel-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 10%;
    max-width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.carousel-container::before {
    left: 0;
    background: linear-gradient(to right, var(--color-white), transparent);
}

.carousel-container::after {
    right: 0;
    background: linear-gradient(to left, var(--color-white), transparent);
}

.carousel-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: scroll 30s linear infinite;
}

.carousel-track:hover {
    animation-play-state: paused;
}

.carousel-track img {
    height: 350px;
    width: auto;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        /* Move left by exactly half the track width (the duplicated portion plus gap) */
        transform: translateX(calc(-50% - 0.75rem));
    }
}

@media (max-width: 768px) {
    .carousel-track img {
        height: 250px;
    }
}