/* ============================================
   Mr Tradee — Premium Commercial Coffee Equipment
   Color Palette from Logo:
   - Dark/Black: #1a1a2e
   - Blue: #1e5bd0
   - Red: #e01e2d
   - Gray: #8e8e8e
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-dark: #1a1a2e;
    --color-dark-secondary: #252540;
    --color-blue: #1e5bd0;
    --color-blue-light: #3a7af0;
    --color-red: #e01e2d;
    --color-red-light: #f0454f;
    --color-gray: #8e8e8e;
    --color-gray-light: #b0b0b0;
    --color-gray-bg: #f5f6f8;
    --color-white: #ffffff;
    --color-text: #2d2d3a;
    --color-text-muted: #6b6b7b;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
}

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

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

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

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-light));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(30, 91, 208, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 91, 208, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.btn-light {
    background: var(--color-white);
    color: var(--color-dark);
    box-shadow: var(--shadow-sm);
}

.btn-light:hover {
    background: var(--color-gray-bg);
    transform: translateY(-1px);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-full {
    width: 100%;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 20px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.nav-logo img {
    height: 44px;
    width: auto;
    transition: var(--transition-smooth);
}

.navbar.scrolled .nav-logo img {
    height: 38px;
}

.brand-name {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--color-white);
    white-space: nowrap;
}

.navbar.scrolled .brand-name {
    color: var(--color-dark);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-white);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-red);
    transition: var(--transition-smooth);
    border-radius: 1px;
}

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

.navbar.scrolled .nav-link {
    color: var(--color-dark);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 5px;
}

.bar {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-smooth);
    border-radius: 1px;
}

.navbar.scrolled .bar {
    background: var(--color-dark);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark);
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(30, 91, 208, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(224, 30, 45, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 80%, rgba(142, 142, 142, 0.06) 0%, transparent 40%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 100px;
    color: var(--color-gray-light);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title span {
    display: block;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-red), #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gray-light);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 1.5s both;
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 11px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 7px;
    background: rgba(255,255,255,0.5);
    border-radius: 2px;
    position: absolute;
    top: 7px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(6px); }
}

/* --- Section Styles --- */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-red);
    margin-bottom: 12px;
}

.section-tag.light {
    color: rgba(255,255,255,0.7);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- Gallery Section --- */
.gallery {
    padding: 100px 0;
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    min-height: 260px;
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
    min-height: 420px;
}

.gallery-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gallery-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-image-wrapper img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26, 26, 46, 0.95) 0%,
        rgba(26, 26, 46, 0.6) 40%,
        transparent 70%
    );
    display: flex;
    align-items: flex-end;
    padding: 28px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.gallery-info {
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-info {
    transform: translateY(0);
}

.gallery-brand {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-red-light);
    margin-bottom: 6px;
}

.gallery-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 6px;
}

.gallery-desc {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 14px;
    line-height: 1.5;
}

/* --- Water Treatment Section --- */
.water-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f7fbff 0%, var(--color-gray-bg) 100%);
}

.water-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
}

.water-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(30, 91, 208, 0.08);
}

.water-card img {
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.water-card-content {
    padding: 28px;
}

.water-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.water-card p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

.water-card ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: var(--color-text);
}

.water-card li {
    position: relative;
    padding-left: 18px;
}

.water-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-weight: 700;
}

/* --- Kitchen Projects Section --- */
.project-section {
    padding: 100px 0;
    background: var(--color-white);
}

.project-highlights {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.highlight-pill {
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(30, 91, 208, 0.08);
    color: var(--color-blue);
    font-size: 0.9rem;
    font-weight: 600;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--color-white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.project-card-content {
    padding: 20px 22px 24px;
}

.project-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.project-card p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* --- Features Section --- */
.features {
    padding: 80px 0;
    background: var(--color-gray-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.04);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-light));
    color: var(--color-white);
    border-radius: 16px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- CTA / Contact Section --- */
.cta-section {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-secondary) 100%);
    overflow: hidden;
}

.cta-bg-pattern {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.cta-text {
    padding-top: 10px;
}

.cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-description {
    font-size: 1rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: 36px;
}

.cta-contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 12px;
    color: var(--color-blue-light);
    flex-shrink: 0;
}

.contact-detail {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-white);
}

.contact-value:hover {
    color: var(--color-blue-light);
}

/* CTA Card / Form */
.cta-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 40px;
}

.cta-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.cta-card > p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 28px;
    line-height: 1.5;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    outline: none;
}

.form-input::placeholder {
    color: rgba(255,255,255,0.35);
}

.form-input:focus {
    border-color: var(--color-blue);
    background: rgba(255,255,255,0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* --- Footer --- */
.footer {
    background: #111122;
    padding: 60px 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo {
    height: 48px;
    width: auto;
    opacity: 0.9;
}

.footer-brand-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    white-space: nowrap;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.4);
    max-width: 280px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.45);
    transition: var(--transition-smooth);
}

.footer-col a:hover {
    color: var(--color-blue-light);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}

/* --- Lightbox --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.92);
    backdrop-filter: blur(10px);
}

.lightbox-content {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-image {
    transform: scale(1);
}

.lightbox-caption {
    text-align: center;
    color: rgba(255,255,255,0.7);
    margin-top: 16px;
    font-size: 0.9rem;
}

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    color: #34d399;
    flex-shrink: 0;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 968px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 350px 280px;
    }

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

    .cta-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }

    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-dark);
        flex-direction: column;
        padding: 100px 40px;
        gap: 24px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu.open {
        right: 0;
    }

    .navbar.scrolled .nav-menu {
        background: var(--color-white);
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(3, 300px);
    }

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

    .gallery-item.large {
        grid-column: span 1;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .container {
        padding: 0 16px;
    }

    .nav-container {
        padding: 0 16px;
    }

    .cta-card {
        padding: 28px 20px;
    }
}