/* ============================================
   Panorama Glass Corp — Custom Styles
   Charcoal + Coral | Clean Minimalist
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-charcoal-900: #1a1a1a;
    --color-charcoal-800: #2d2d2d;
    --color-charcoal-700: #3d3d3d;
    --color-charcoal-600: #4a4a4a;
    --color-charcoal-500: #5a5a5a;
    --color-charcoal-400: #7a7a7a;
    --color-charcoal-300: #9a9a9a;
    --color-charcoal-100: #e8e8e8;
    --color-charcoal-50: #f5f5f5;
    
    --color-coral-600: #e8555a;
    --color-coral-500: #ff6b6b;
    --color-coral-400: #ff8585;
    --color-coral-300: #ffa0a0;
    --color-coral-200: #ffc4c4;
    --color-coral-100: #ffe4e4;
    --color-coral-50: #fff5f5;
    
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --transition-fast: 0.2s ease;
    --transition-med: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-charcoal-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-charcoal-100);
    transition: var(--transition-fast);
}

.navbar.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--color-charcoal-900);
    letter-spacing: -0.02em;
}

.logo-icon {
    color: var(--color-coral-500);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-charcoal-600);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-coral-500);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-charcoal-900);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--color-charcoal-800);
    transition: var(--transition-fast);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-med);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    color: var(--color-charcoal-800);
    transition: var(--transition-fast);
}

.mobile-menu-close:hover {
    color: var(--color-coral-500);
    transform: rotate(90deg);
}

.mobile-menu-overlay ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-nav-link {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-charcoal-800);
    transition: var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--color-coral-500);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 26, 0.85) 0%,
        rgba(45, 45, 45, 0.75) 50%,
        rgba(26, 26, 26, 0.80) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding-top: var(--spacing-xl);
}

.hero-eyebrow {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-coral-400);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-title em {
    font-style: italic;
    color: var(--color-coral-400);
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--color-coral-500);
    color: var(--color-white);
    border: 1.5px solid var(--color-coral-500);
}

.btn-primary:hover {
    background: var(--color-coral-600);
    border-color: var(--color-coral-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================
   SECTION COMMON
   ============================================ */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-coral-500);
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-charcoal-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-charcoal-100);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    background: var(--color-white);
}

.service-card:hover {
    border-color: var(--color-coral-200);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-charcoal-100);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-coral-500);
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background: var(--color-coral-50);
    border-color: var(--color-coral-200);
}

.service-card h3 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-charcoal-900);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-charcoal-500);
    line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-charcoal-50);
}

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

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--color-coral-200);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-content {
    padding: var(--spacing-md) 0;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-charcoal-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-charcoal-100);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-coral-500);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-charcoal-400);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--color-charcoal-100);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-item:nth-child(1) img,
.gallery-item:nth-child(4) img {
    height: 320px;
}

.gallery-item:nth-child(2) img,
.gallery-item:nth-child(3) img,
.gallery-item:nth-child(5) img,
.gallery-item:nth-child(6) img {
    height: 240px;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 26, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.gallery-overlay span {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

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

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--color-charcoal-900);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact .section-eyebrow {
    color: var(--color-coral-400);
}

.contact .section-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--color-charcoal-400);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-charcoal-700);
    border-radius: var(--radius-sm);
    color: var(--color-coral-400);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-charcoal-400);
    margin-bottom: 4px;
}

.contact-value {
    display: block;
    font-size: 1rem;
    color: var(--color-white);
    line-height: 1.6;
}

.contact-value a {
    color: var(--color-coral-400);
    transition: var(--transition-fast);
}

.contact-value a:hover {
    color: var(--color-coral-300);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-charcoal-800);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-charcoal-300);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--color-white);
    background: var(--color-charcoal-900);
    border: 1px solid var(--color-charcoal-700);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-charcoal-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-coral-500);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a7a7a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--color-charcoal-900);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Success Message */
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-md);
}

.form-success.active {
    display: flex;
}

.form-success svg {
    color: var(--color-coral-500);
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-white);
}

.form-success p {
    font-size: 1rem;
    color: var(--color-charcoal-400);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-charcoal-900);
    border-top: 1px solid var(--color-charcoal-800);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-charcoal-400);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-charcoal-300);
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-charcoal-500);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-coral-400);
}

.footer-contact p {
    font-size: 0.9375rem;
    color: var(--color-charcoal-500);
    line-height: 1.8;
}

.footer-contact a {
    color: var(--color-coral-400);
    transition: var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-coral-300);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-charcoal-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-charcoal-500);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        text-align: center;
        padding-top: var(--spacing-lg);
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 350px;
    }
    
    .about-image-accent {
        display: none;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item:nth-child(1) img,
    .gallery-item:nth-child(4) img {
        height: 240px;
    }
    
    .gallery-item:nth-child(2) img,
    .gallery-item:nth-child(3) img,
    .gallery-item:nth-child(5) img,
    .gallery-item:nth-child(6) img {
        height: 200px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 260px !important;
    }
    
    .stat {
        text-align: center;
    }
    
    .stat-divider {
        display: none;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-coral-500);
    outline-offset: 2px;
}

/* Scroll reveal base states (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.visible {
        opacity: 1;
        transform: none;
    }
}