/* ==========================================================================
   Template: Atelier Interior Design
   Version: 1.0.0
   Author: Outline Templates
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Theme Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Warm Neutral Palette */
    --color-primary: #A68A6F;
    --color-primary-light: #D4B5A0;
    --color-primary-dark: #8A6F56;
    --color-secondary: #E8DFD6;
    --color-accent: #C4A68A;
    --color-text: #2D2822;
    --color-text-muted: #6B635C;
    --color-background: #FAFAF8;
    --color-surface: #FFFFFF;
    --color-border: #E8E6E1;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Cormorant Garamond', Georgia, serif;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(45, 40, 34, 0.05);
    --shadow-md: 0 4px 6px rgba(45, 40, 34, 0.1);
    --shadow-lg: 0 10px 25px rgba(45, 40, 34, 0.1);
    --shadow-xl: 0 20px 50px rgba(45, 40, 34, 0.15);
    --shadow-warm: 0 10px 40px rgba(166, 138, 111, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Theme */
html.dark {
    --color-primary: #D4B5A0;
    --color-primary-light: #E8DFD6;
    --color-primary-dark: #A68A6F;
    --color-secondary: #2D2822;
    --color-accent: #D4B5A0;
    --color-text: #F5F5F5;
    --color-text-muted: #A0A0A0;
    --color-background: #0a0a0a;
    --color-surface: #141414;
    --color-border: #2a2a2a;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-warm: 0 10px 40px rgba(212, 181, 160, 0.15);
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.font-serif {
    font-family: var(--font-serif);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

/* 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: 0;
}

.sr-only.focus\:not-sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Backdrop blur for nav */
.nav-blur {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* --------------------------------------------------------------------------
   Hero Gradients & Effects
   -------------------------------------------------------------------------- */
.hero-gradient {
    background: radial-gradient(ellipse at 50% 0%, rgba(212, 181, 160, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 50%, rgba(232, 223, 214, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(196, 166, 138, 0.1) 0%, transparent 50%);
}

/* Glow Pulse Animation */
@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

.glow-pulse {
    animation: glow-pulse 4s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   Floating Animations
   -------------------------------------------------------------------------- */
@keyframes float-main {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0px);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-15px);
    }
}

@keyframes float-1 {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-25px) rotate(-2deg);
    }
}

@keyframes float-3 {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-18px) rotate(1deg);
    }
}

@keyframes float-4 {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-22px) rotate(-1deg);
    }
}

@keyframes float-5 {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

.float-main {
    animation: float-main 6s ease-in-out infinite;
}

.float-1 {
    animation: float-1 5s ease-in-out infinite;
}

.float-2 {
    animation: float-2 6s ease-in-out infinite 0.5s;
}

.float-3 {
    animation: float-3 5.5s ease-in-out infinite 1s;
}

.float-4 {
    animation: float-4 6.5s ease-in-out infinite 1.5s;
}

.float-5 {
    animation: float-5 4s ease-in-out infinite 2s;
}

/* --------------------------------------------------------------------------
   Reduced Motion Support
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }

    .float-main,
    .float-1,
    .float-2,
    .float-3,
    .float-4,
    .float-5 {
        animation: none;
    }

    .glow-pulse {
        animation: none;
    }
}

/* --------------------------------------------------------------------------
   Focus States (Accessibility)
   -------------------------------------------------------------------------- */

/* Visible focus for keyboard users only */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Enhanced focus for interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Skip link styling */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

/* --------------------------------------------------------------------------
   Touch Targets (Mobile Accessibility)
   -------------------------------------------------------------------------- */

/* Minimum 44x44px touch targets */
button,
a,
input[type="checkbox"],
input[type="radio"],
select {
    min-height: 44px;
    min-width: 44px;
}

/* Inline links exception */
p a,
li a,
span a {
    min-height: auto;
    min-width: auto;
}

/* --------------------------------------------------------------------------
   Animation Classes
   -------------------------------------------------------------------------- */

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--transition-bounce);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s var(--transition-bounce);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s var(--transition-bounce);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.8s var(--transition-bounce);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* --------------------------------------------------------------------------
   Button Styles
   -------------------------------------------------------------------------- */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(166, 138, 111, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(166, 138, 111, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    background: rgba(166, 138, 111, 0.05);
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Filter Buttons (Portfolio)
   -------------------------------------------------------------------------- */
.filter-btn {
    background: white;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Portfolio Items
   -------------------------------------------------------------------------- */
.portfolio-item {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.portfolio-item.hidden {
    display: none;
}

/* --------------------------------------------------------------------------
   Service Cards
   -------------------------------------------------------------------------- */
.service-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-warm);
    border-color: var(--color-primary-light);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(212, 181, 160, 0.1) 0%, rgba(166, 138, 111, 0.1) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   Process Steps
   -------------------------------------------------------------------------- */
.process-step {
    position: relative;
    text-align: center;
}

.step-number {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-serif);
    z-index: 0;
}

.step-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    box-shadow: 0 8px 20px rgba(166, 138, 111, 0.3);
}

/* --------------------------------------------------------------------------
   Testimonial Cards
   -------------------------------------------------------------------------- */
.testimonial-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   Blog Cards
   -------------------------------------------------------------------------- */
.blog-card {
    transition: all var(--transition-base);
}

.blog-card:hover h3 {
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Form Inputs
   -------------------------------------------------------------------------- */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    font-family: var(--font-sans);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(166, 138, 111, 0.1);
}

.form-input.error {
    border-color: #EF4444;
}

.error-message {
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   Mobile Navigation
   -------------------------------------------------------------------------- */
[data-nav-menu] {
    transition: all var(--transition-base);
}

[data-nav-menu].active {
    display: block;
}

@media (min-width: 768px) {
    [data-nav-menu] {
        display: flex !important;
    }
}

/* Prevent body scroll when mobile menu is open */
body.nav-open {
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Custom Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Responsive Typography
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    *,
    *::before,
    *::after {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }

    img {
        max-width: 100% !important;
    }

    @page {
        margin: 2cm;
    }

    h2, h3 {
        page-break-after: avoid;
    }
}