/* ==========================================
   IZZAD.STUDIO - MAIN STYLESHEET
   Premium Digital Studio by Axtra
   ========================================== */

/* ==========================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================== */
:root {
    /* Colors - Monochrome Palette */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-dark: #333333;
    --color-gray-mid: #666666;
    --color-gray-light: #CCCCCC;
    --color-gray-lighter: #F5F5F5;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Font Sizes - Fluid Typography */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.5vw, 1.5rem);
    --font-size-xl: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
    --font-size-2xl: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    --font-size-3xl: clamp(2.5rem, 2rem + 3vw, 5rem);
    --font-size-hero: clamp(3rem, 2.5rem + 4vw, 7rem);
    
    /* Spacing System */
    --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.65rem + 0.5vw, 1.25rem);
    --space-md: clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
    --space-lg: clamp(1.5rem, 1.2rem + 1.5vw, 3rem);
    --space-xl: clamp(2rem, 1.5rem + 2.5vw, 4.5rem);
    --space-2xl: clamp(3rem, 2rem + 5vw, 8rem);
    --space-3xl: clamp(4rem, 3rem + 6vw, 10rem);
    
    /* Layout */
    --container-max-width: 1400px;
    --container-padding: clamp(1.25rem, 4vw, 3rem);
    --grid-gap: clamp(1rem, 2vw, 2rem);
    
    /* Timing Functions */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Transitions */
    --transition-fast: 200ms var(--ease-smooth);
    --transition-base: 350ms var(--ease-smooth);
    --transition-slow: 600ms var(--ease-smooth);
    
    /* Z-index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-overlay: 400;
    --z-modal: 500;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.18);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.22);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Force all work images to start grayscale */
img[src*="/assets/work/"] {
    -webkit-filter: grayscale(100%) !important;
    filter: grayscale(100%) !important;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    color: var(--color-black);
}

h1 {
    font-size: var(--font-size-hero);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--space-md);
}

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

a:hover {
    opacity: 0.7;
}

/* ==========================================
   UTILITIES
   ========================================== */
* {
    box-sizing: border-box;
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-black);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-light);
    color: var(--color-gray-mid);
    margin-bottom: var(--space-xl);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================
   NAVIGATION - STICKY HEADER
   ========================================== */
.nav {
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo Section */
.nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav-logo a {
    display: flex;
    align-items: center;
    transition: opacity 0.2s ease-out;
}

.nav-logo a:hover {
    opacity: 0.85;
}

.nav-logo img {
    height: 32px;
    width: auto;
    display: block;
}

/* Navigation Links - Desktop */
.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    color: var(--color-white);
    transition: border-color 0.2s ease-out, color 0.2s ease-out;
    text-transform: lowercase;
    letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
    border-bottom-color: var(--color-white);
    color: var(--color-white);
}

/* Hamburger Menu Button - Mobile Only */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.2s ease-out;
    border-radius: 2px;
}

/* Hamburger Active State - X Animation */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: 6rem 2rem 2rem;
        gap: 0;
        transition: right 0.3s ease-out;
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .nav-links li {
        padding: 1.25rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        font-size: 1.125rem;
        padding: 0;
        border-bottom: none;
    }

    .nav-links a:hover {
        color: var(--color-gray-light);
    }
}

/* Extra Small Mobile Adjustments */
@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }

    .nav-logo img {
        height: 28px;
    }

    .nav-links {
        width: 240px;
        padding: 5rem 1.5rem 1.5rem;
    }

    .hamburger {
        padding: 6px;
    }

    .hamburger span {
        width: 20px;
    }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    min-height: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background-color: var(--color-black);
    position: relative;
    overflow: hidden;
    padding: calc(var(--space-3xl) + var(--space-2xl)) 0 var(--space-3xl);
}

.hero__container {
    text-align: center;
    padding: 0 var(--container-padding);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero__title {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero__title-accent {
    display: block;
    font-weight: var(--font-weight-light);
    font-style: italic;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-light);
    color: var(--color-gray-light);
    margin-bottom: var(--space-xl);
}

.hero__cta {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-black);
    background-color: var(--color-white);
    border: 2px solid var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-base);
    cursor: pointer;
}

.hero__cta:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    opacity: 1;
    transform: translateY(-2px);
}

/* Scroll Indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ==========================================
   INTERLUDE SECTION
   ========================================== */
.interlude {
    padding: var(--space-3xl) 0;
    background-color: var(--color-black);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.interlude__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.interlude__text {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-light);
    color: var(--color-white);
    line-height: 1.6;
    font-style: italic;
}

/* ==========================================
   GALLERY SECTION (formerly Portfolio)
   ========================================== */
/* ==========================================
   PHILOSOPHY GALLERY - TEXT-DRIVEN DESIGN
   ========================================== */
.philosophy-gallery {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
    min-height: 100vh;
}

.philosophy-gallery__container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.philosophy-gallery__intro {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.philosophy-gallery__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-light);
    color: var(--color-black);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.philosophy-gallery__subtitle {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-light);
    color: var(--color-gray-mid);
    font-style: italic;
}

/* Philosophy List - Vertical Stack */
.philosophy-list {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Individual Philosophy Item */
.philosophy-item {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--color-gray-lighter);
    transition: border-color 0.4s ease;
}

.philosophy-item:last-child {
    border-bottom: none;
}

.philosophy-item:hover {
    border-color: var(--color-gray-mid);
}

/* Statement - Large Type */
.philosophy-item__statement {
    font-size: clamp(2rem, 4vw, 4rem);
    font-weight: var(--font-weight-light);
    color: var(--color-black);
    line-height: 1.2;
    margin-bottom: var(--space-md);
    cursor: pointer;
    transition: color 0.6s ease;
    letter-spacing: -0.02em;
}

.philosophy-item:hover .philosophy-item__statement {
    color: var(--color-gray-mid);
}

/* Philosophy text - hidden until hover */
.philosophy-item__philosophy {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-light);
    color: var(--color-gray-mid);
    font-style: italic;
    margin-bottom: var(--space-lg);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.6s ease, max-height 0.6s ease;
}

.philosophy-item:hover .philosophy-item__philosophy {
    opacity: 1;
    max-height: 100px;
}

/* Services Tag - Subtle */
.philosophy-item__services {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    margin-bottom: var(--space-xl);
    opacity: 0;
    transition: opacity 0.6s ease 0.2s;
}

.philosophy-item:hover .philosophy-item__services {
    opacity: 1;
}

/* Work Grid - Reveals on hover */
.philosophy-item__work {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.8s ease 0.3s, max-height 0.8s ease;
}

.philosophy-item:hover .philosophy-item__work {
    opacity: 1;
    max-height: 2000px;
}

/* Work Item - Minimal Card */
.work-item {
    position: relative;
}

.work-item__image-wrapper {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--color-gray-lighter);
    margin-bottom: var(--space-sm);
}

.work-item__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    -webkit-filter: grayscale(100%) !important;
    filter: grayscale(100%) !important;
    transition: all 0.8s ease;
}

/* Reveal color on philosophy item hover (entire category) */
.philosophy-item:hover .work-item__image {
    -webkit-filter: grayscale(0%) !important;
    filter: grayscale(0%) !important;
}

/* Also reveal color on individual image hover */
.work-item__image-wrapper:hover .work-item__image {
    -webkit-filter: grayscale(0%) !important;
    filter: grayscale(0%) !important;
}

.work-item__client {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-black);
    margin-bottom: var(--space-xs);
}

.work-item__approach {
    font-size: var(--font-size-xs);
    color: var(--color-gray-mid);
    font-style: italic;
    margin-bottom: var(--space-xs);
    line-height: 1.5;
}

.work-item__deliverables {
    font-size: var(--font-size-xs);
    color: var(--color-gray-light);
    line-height: 1.4;
}

/* ==========================================
   MODAL
   ========================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal[aria-hidden="false"] {
    opacity: 1;
    pointer-events: all;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(5px);
    cursor: pointer;
}

.modal__content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    background-color: var(--color-white);
    overflow-y: auto;
    z-index: var(--z-modal);
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal[aria-hidden="false"] .modal__content {
    transform: scale(1);
}

.modal__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-black);
    border: none;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.modal__close:hover {
    background-color: var(--color-gray-dark);
}

.modal__close-line {
    position: absolute;
    width: 1.25rem;
    height: 2px;
    background-color: var(--color-white);
}

.modal__close-line:first-child {
    transform: rotate(45deg);
}

.modal__close-line:last-child {
    transform: rotate(-45deg);
}

.modal__body {
    padding: var(--space-2xl);
}

.modal__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-light);
    margin-bottom: var(--space-sm);
    text-transform: lowercase;
    letter-spacing: 0.02em;
}

.modal__description {
    font-size: var(--font-size-base);
    color: var(--color-gray-mid);
    margin-bottom: var(--space-xl);
    font-style: italic;
    line-height: 1.8;
}

/* ==========================================
   CAROUSEL
   ========================================== */
.carousel {
    position: relative;
    margin-top: var(--space-xl);
}

.carousel__viewport {
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.carousel__track {
    display: flex;
    transition: transform var(--transition-slow);
}

.carousel__slide {
    min-width: 100%;
    aspect-ratio: 16 / 10;
}

.carousel__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: var(--color-gray-lighter);
}

.carousel__button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    background-color: rgba(0, 0, 0, 0.7);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    z-index: 2;
}

.carousel__button:hover {
    background-color: var(--color-black);
}

.carousel__button--prev {
    left: var(--space-md);
}

.carousel__button--next {
    right: var(--space-md);
}

.carousel__arrow {
    display: block;
    width: 0.75rem;
    height: 0.75rem;
    border-top: 2px solid var(--color-white);
    border-right: 2px solid var(--color-white);
}

.carousel__arrow--left {
    transform: rotate(-135deg);
}

.carousel__arrow--right {
    transform: rotate(45deg);
}

.carousel__indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.carousel__indicator {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--color-gray-light);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel__indicator.active {
    background-color: var(--color-black);
    transform: scale(1.3);
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-gray-lighter);
}

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

.about__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

.about__manifesto {
    max-width: 800px;
    margin: 0 auto;
}

.about__text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-gray-dark);
    margin-bottom: var(--space-lg);
}

.about__team-title {
    font-size: var(--font-size-xl);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.about__team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--grid-gap);
    max-width: 800px;
    margin: 0 auto;
}

/* Team Member */
.team-member {
    text-align: center;
}

.team-member__image-wrapper {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    overflow: hidden;
    filter: grayscale(100%);
    transition: filter var(--transition-slow);
}

.team-member:hover .team-member__image-wrapper {
    filter: grayscale(0%);
}

.team-member__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member__name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
}

.team-member__role {
    font-size: var(--font-size-sm);
    color: var(--color-gray-mid);
}

/* ==========================================
   PROCESS SECTION
   ========================================== */
.process {
    padding: var(--space-3xl) 0;
    background-color: var(--color-black);
    color: var(--color-white);
}

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

.process__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.process__header .section-title {
    color: var(--color-white);
}

.process__header .section-subtitle {
    color: var(--color-gray-light);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--grid-gap);
}

/* Process Step */
.process-step {
    padding: var(--space-xl);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.process-step:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.process-step__number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-light);
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: var(--space-sm);
}

.process-step__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.process-step__description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-light);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.contact__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.contact__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-dark);
}

.form-input {
    padding: var(--space-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-black);
    background-color: var(--color-gray-lighter);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-black);
    background-color: var(--color-white);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-error {
    font-size: var(--font-size-xs);
    color: #dc2626;
    display: none;
}

.form-group.error .form-error {
    display: block;
}

.form-group.error .form-input {
    border-color: #dc2626;
}

.form-submit {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    background-color: var(--color-black);
    border: 2px solid var(--color-black);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.form-submit:hover:not(:disabled) {
    background-color: var(--color-white);
    color: var(--color-black);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-submit__loader {
    display: none;
}

.form-submit.loading .form-submit__text {
    opacity: 0;
}

.form-submit.loading .form-submit__loader {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-light);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.form-success {
    padding: var(--space-md);
    background-color: #10b981;
    color: var(--color-white);
    text-align: center;
    border-radius: var(--radius-sm);
    display: none;
}

.form-success.show {
    display: block;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    padding: var(--space-xl) 0;
    background-color: var(--color-black);
    color: var(--color-white);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.footer__logo {
    margin-bottom: var(--space-lg);
}

.footer__logo-image {
    height: 50px;
    width: auto;
    display: inline-block;
}

.footer__text {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-sm);
    font-weight: var(--font-weight-light);
}

.footer__year {
    font-size: var(--font-size-sm);
    color: var(--color-gray-light);
    font-weight: var(--font-weight-light);
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-mid);
}

/* ==========================================
   RESPONSIVE DESIGN - TABLET
   ========================================== */
@media (max-width: 768px) {
    /* Fix interlude spacing */
    .interlude {
        min-height: auto;
        padding: var(--space-2xl) 0;
    }

    .interlude__text {
        font-size: var(--font-size-xl);
    }

    /* Philosophy Gallery Mobile */
    .philosophy-gallery {
        padding: var(--space-2xl) 0;
    }

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

    .philosophy-item__statement {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    /* Fix work grid overflow - single column on mobile */
    .philosophy-item__work {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    /* Auto-expand on mobile (no hover needed) */
    .philosophy-item__philosophy,
    .philosophy-item__services,
    .philosophy-item__work {
        opacity: 1;
        max-height: none;
    }

    /* Keep images grayscale until individual hover */
    .philosophy-item:hover .work-item__image {
        filter: grayscale(100%) !important;
    }

    .work-item__image-wrapper:hover .work-item__image {
        filter: grayscale(0%) !important;
    }

    .gallery__grid {
        grid-template-columns: 1fr;
    }
    
    .process__grid {
        grid-template-columns: 1fr;
    }
    
    .about__team-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: var(--space-3xl) 0 var(--space-2xl);
    }
}

/* ==========================================
   RESPONSIVE DESIGN - MOBILE
   ========================================== */
@media (max-width: 480px) {
    .hero {
        padding: var(--space-2xl) 0 var(--space-xl);
    }

    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .interlude__text {
        font-size: var(--font-size-lg);
    }

    .philosophy-item__statement {
        font-size: clamp(1.25rem, 8vw, 2rem);
        line-height: 1.3;
    }

    .philosophy-item__philosophy {
        font-size: var(--font-size-base);
    }

    .philosophy-item__work {
        gap: var(--space-sm);
    }
    
    .carousel__button {
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .carousel__button--prev {
        left: var(--space-sm);
    }
    
    .carousel__button--next {
        right: var(--space-sm);
    }
}

/* ==========================================
   PHOTOGRAPHY SECTION - BOOK FOLD
   ========================================== */
.photography {
    min-height: 100vh;
    background: var(--color-white);
    padding: var(--space-3xl) 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photography__container {
    max-width: var(--container-max-width);
    width: 100%;
    padding: 0 var(--container-padding);
}

.photography__intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.photography__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-light);
    color: var(--color-black);
    margin: 0 0 var(--space-sm) 0;
    letter-spacing: -0.02em;
}

.photography__subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-light);
    color: var(--color-gray-mid);
    font-style: italic;
    margin: 0;
}

/* Photo Book Container */
.photo-book {
    position: relative;
    max-width: 1200px;
    margin: 0 auto var(--space-xl);
    perspective: 2500px;
}

.photo-book__wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--color-black);
    border-radius: 4px;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Pages */
.photo-book__page {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: var(--color-white);
    backface-visibility: hidden;
    transform-style: preserve-3d;
}

.photo-book__page--left {
    left: 0;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.photo-book__page--right {
    right: 0;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.photo-book__page--flipping {
    left: 50%;
    transform-origin: left center;
    transition: transform 1.2s cubic-bezier(0.645, 0.045, 0.355, 1);
    z-index: 10;
}

.photo-book__page--flipping.is-flipping {
    transform: rotateY(-180deg);
}

/* Page Content */
.photo-book__content {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.photo-book__content--front {
    position: absolute;
    backface-visibility: hidden;
}

.photo-book__content--back {
    position: absolute;
    backface-visibility: hidden;
    transform: rotateY(180deg);
}

.photo-book__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.8s var(--ease-out-cubic);
}

/* Left page - Always in color (represents present/memory) */
.photo-book__page--left .photo-book__image {
    filter: grayscale(0%);
}

/* Right page - Grayscale by default (represents future/unknown) */
.photo-book__page--right .photo-book__image {
    filter: grayscale(100%);
}

/* Flipping page - Grayscale on front, color on back */
.photo-book__page--flipping .photo-book__content--front .photo-book__image {
    filter: grayscale(100%);
}

.photo-book__page--flipping .photo-book__content--back .photo-book__image {
    filter: grayscale(0%);
}

/* On hover - reveal color on right page too */
.photo-book__page--right:hover .photo-book__image {
    filter: grayscale(0%);
}

/* Navigation Buttons */
.photo-book__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-cubic);
    z-index: 20;
    backdrop-filter: blur(10px);
}

.photo-book__nav:hover {
    background: var(--color-white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.photo-book__nav:active {
    transform: translateY(-50%) scale(0.95);
}

.photo-book__nav--prev {
    left: -1.5rem;
}

.photo-book__nav--next {
    right: -1.5rem;
}

.photo-book__arrow {
    font-size: 2rem;
    line-height: 1;
    color: var(--color-black);
    font-weight: var(--font-weight-light);
}

/* Page Counter */
.photo-book__counter {
    position: absolute;
    bottom: -3rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-sm);
    color: var(--color-gray-mid);
    font-weight: var(--font-weight-light);
    letter-spacing: 0.05em;
}

/* Caption */
.photography__caption {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.photography__caption-text {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-light);
    color: var(--color-gray-mid);
    font-style: italic;
    line-height: 1.6;
    margin: 0;
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .photography {
        padding: var(--space-2xl) 0;
    }

    .photo-book__wrapper {
        aspect-ratio: 4 / 3;
    }

    .photo-book__nav {
        width: 2.5rem;
        height: 2.5rem;
    }

    .photo-book__nav--prev {
        left: var(--space-sm);
    }

    .photo-book__nav--next {
        right: var(--space-sm);
    }

    .photo-book__arrow {
        font-size: 1.5rem;
    }
}

/* Responsive - Mobile */
@media (max-width: 480px) {
    .photography__title {
        font-size: var(--font-size-2xl);
    }

    .photography__subtitle {
        font-size: var(--font-size-base);
    }

    .photo-book__wrapper {
        aspect-ratio: 1 / 1;
    }

    .photo-book__nav {
        width: 2rem;
        height: 2rem;
    }

    .photo-book__arrow {
        font-size: 1.25rem;
    }

    .photo-book__counter {
        bottom: -2.5rem;
        font-size: var(--font-size-xs);
    }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .nav,
    .hero__scroll-indicator,
    .contact__form {
        display: none;
    }
}