/* ========================================
   CentralPark - Corporate Landing Page
   Aesthetic: Editorial Corporate with Green Palette
   ======================================== */

:root {
    /* Primary Green Palette */
    --green-950: #052e16;
    --green-900: #14532d;
    --green-800: #166534;
    --green-700: #15803d;
    --green-600: #16a34a;
    --green-500: #22c55e;
    --green-400: #4ade80;
    --green-300: #86efac;
    --green-200: #bbf7d0;
    --green-100: #dcfce7;
    --green-50: #f0fdf4;

    /* Warm Neutrals */
    --stone-950: #0c0a09;
    --stone-900: #1c1917;
    --stone-800: #292524;
    --stone-700: #44403c;
    --stone-600: #57534e;
    --stone-500: #78716c;
    --stone-400: #a8a29e;
    --stone-300: #d6d3d1;
    --stone-200: #e7e5e4;
    --stone-100: #f5f5f4;
    --stone-50: #fafaf9;

    /* Accent */
    --accent: #f59e0b;
    --accent-light: #fbbf24;

    /* Functional - Light Mode (default) */
    --bg-primary: var(--stone-50);
    --bg-secondary: #ffffff;
    --bg-tertiary: var(--stone-100);
    --bg-dark: var(--green-950);
    --text-primary: var(--stone-900);
    --text-secondary: var(--stone-600);
    --text-tertiary: var(--stone-500);
    --text-inverse: var(--stone-100);
    --border: var(--stone-200);
    --border-light: var(--stone-100);
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.06);
    --nav-bg: rgba(250, 250, 249, 0.9);
    --input-bg: #ffffff;

    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;

    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-max: 1280px;
    --container-padding: clamp(1.5rem, 5vw, 3rem);

    /* Transitions */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   Dark Mode Theme
   ======================================== */

[data-theme="dark"] {
    --bg-primary: var(--stone-900);
    --bg-secondary: var(--stone-800);
    --bg-tertiary: var(--stone-800);
    --text-primary: var(--stone-100);
    --text-secondary: var(--stone-400);
    --text-tertiary: var(--stone-500);
    --border: var(--stone-700);
    --border-light: var(--stone-800);
    --card-bg: var(--stone-800);
    --card-shadow: rgba(0, 0, 0, 0.3);
    --nav-bg: rgba(28, 25, 23, 0.9);
    --input-bg: var(--stone-800);

    /* Adjusted greens for dark mode */
    --green-50: rgba(34, 197, 94, 0.1);
    --green-100: rgba(34, 197, 94, 0.15);
    --green-200: rgba(34, 197, 94, 0.2);
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Typography
   ======================================== */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green-700);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-primary);
}

.section-title em {
    font-style: italic;
    color: var(--green-700);
}

/* ========================================
   Navigation
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 0.75rem 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--text-primary);
}

.logo-mark {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--green-600) 0%, var(--green-800) 100%);
    border-radius: 6px;
    position: relative;
}

.logo-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--text-secondary);
    transition: color 0.25s var(--ease-out);
    position: relative;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--text-primary);
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--green-600);
    transition: width 0.3s var(--ease-out);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    background: var(--green-700);
    color: white !important;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.25s var(--ease-out);
}

.nav-cta:hover {
    background: var(--green-800);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s var(--ease-out);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.25s var(--ease-out);
}

.theme-toggle:hover {
    border-color: var(--green-600);
    color: var(--green-700);
    background: var(--green-50);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s var(--ease-out);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
}

.btn-primary {
    background: var(--green-700);
    color: white;
}

.btn-primary:hover {
    background: var(--green-800);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(22, 101, 52, 0.25);
}

.btn-primary svg {
    transition: transform 0.3s var(--ease-out);
}

.btn-primary:hover svg {
    transform: translateX(3px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--green-600);
    color: var(--green-700);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    padding: calc(80px + var(--section-padding)) var(--container-padding) var(--section-padding);
    max-width: var(--container-max);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(22, 101, 52, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 101, 52, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
}

.hero-gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(34, 197, 94, 0.08) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--green-50);
    border: 1px solid var(--green-200);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--green-800);
    margin-bottom: 1.5rem;
    animation: fadeSlideUp 0.8s var(--ease-out) forwards;
    opacity: 0;
}

.label-dot {
    width: 6px;
    height: 6px;
    background: var(--green-500);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 5.5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.1s forwards;
    opacity: 0;
}

.hero-title em {
    font-style: italic;
}

.title-accent {
    color: var(--green-700);
    position: relative;
}

.title-accent::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.15em;
    background: var(--green-300);
    z-index: -1;
    opacity: 0.6;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 2rem;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.2s forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeSlideUp 0.8s var(--ease-out) 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    animation: fadeSlideUp 0.8s var(--ease-out) 0.4s forwards;
    opacity: 0;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--green-700);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    z-index: 1;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-orb {
    position: absolute;
    width: 320px;
    height: 320px;
    background: linear-gradient(135deg, var(--green-400) 0%, var(--green-600) 50%, var(--green-800) 100%);
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(60px);
    animation: orbFloat 8s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.05); }
    66% { transform: translate(-10px, 15px) scale(0.95); }
}

.visual-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.04),
        0 8px 24px var(--card-shadow);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    animation: cardFloat 6s ease-in-out infinite;
}

.visual-card-1 {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.visual-card-2 {
    top: 45%;
    right: 5%;
    animation-delay: -2s;
}

.visual-card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: -4s;
}

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

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-50);
    border-radius: 8px;
    color: var(--green-700);
}

/* ========================================
   About Section
   ======================================== */

.about {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.about-intro {
    position: sticky;
    top: 120px;
    align-self: start;
}

.about-lead {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    padding: 2rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    transition: all 0.4s var(--ease-out);
}

.value-card:hover {
    background: var(--green-50);
    transform: translateY(-4px);
}

.value-number {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--green-600);
    margin-bottom: 1rem;
}

.value-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.value-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: var(--section-padding) 0;
    background: var(--bg-tertiary);
}

.services-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.services-intro {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    transition: all 0.4s var(--ease-out);
}

.service-card:hover {
    border-color: var(--green-200);
    box-shadow: 0 12px 40px rgba(22, 101, 52, 0.08);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--green-50) 0%, var(--green-100) 100%);
    border-radius: 12px;
    color: var(--green-700);
    margin-bottom: 1.5rem;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.service-text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-list li {
    padding: 0.375rem 0.875rem;
    background: var(--bg-tertiary);
    border-radius: 100px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: all 0.25s var(--ease-out);
}

.service-card:hover .service-list li {
    background: var(--green-50);
    color: var(--green-800);
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-top: 1rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-50);
    border-radius: 10px;
    color: var(--green-700);
    flex-shrink: 0;
}

.contact-item > div {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-tertiary);
}

.contact-item a {
    color: var(--green-700);
    transition: color 0.25s;
}

.contact-item a:hover {
    color: var(--green-800);
}

/* Contact Form */
.contact-form {
    padding: 2.5rem;
    background: var(--bg-tertiary);
    border-radius: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--input-bg);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    transition: all 0.25s var(--ease-out);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--stone-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2378716c' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 4rem 0 2rem;
    background: var(--green-950);
    color: var(--text-inverse);
}

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

.footer-main {
    margin-bottom: 3rem;
}

.footer .logo {
    color: white;
    margin-bottom: 0.75rem;
}

.footer .logo-mark {
    background: linear-gradient(135deg, var(--green-400) 0%, var(--green-600) 100%);
}

.footer-tagline {
    color: var(--stone-400);
    font-size: 0.9375rem;
}

.footer-links {
    display: flex;
    gap: 5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--stone-500);
    margin-bottom: 1rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-col a {
    color: var(--stone-300);
    font-size: 0.9375rem;
    transition: color 0.25s;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--stone-500);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: calc(80px + 3rem);
        padding-bottom: 4rem;
    }

    .hero-visual {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-intro {
        position: static;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 5rem 2rem 2rem;
        background: var(--bg-secondary);
        box-shadow: -4px 0 24px var(--card-shadow);
        transition: right 0.4s var(--ease-out);
    }

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

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-light);
    }

    .nav-links a::after {
        display: none;
    }

    .nav-cta {
        margin-top: 1rem;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:first-child {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:last-child {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: clamp(2.25rem, 8vw, 3rem);
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1.25rem;
    }

    .hero-label {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    .service-card {
        padding: 1.75rem;
    }

    .contact-form {
        padding: 1.75rem;
    }

    .value-card {
        padding: 1.5rem;
    }
}

/* ========================================
   Utilities & Animations
   ======================================== */

.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;
}

/* Scroll animations - elements start hidden */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Visual Effects & Enhancements
   ======================================== */

/* Animated gradient orbs */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    pointer-events: none;
    animation: orbPulse 8s ease-in-out infinite;
}

.gradient-orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--green-400), var(--green-600));
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.gradient-orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--green-300), var(--green-500));
    bottom: 20%;
    left: -10%;
    animation-delay: -3s;
}

.gradient-orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    top: 40%;
    right: 10%;
    opacity: 0.3;
    animation-delay: -5s;
}

@keyframes orbPulse {
    0%, 100% {
        transform: scale(1) translate(0, 0);
        opacity: 0.4;
    }
    25% {
        transform: scale(1.1) translate(10px, -10px);
        opacity: 0.6;
    }
    50% {
        transform: scale(0.95) translate(-5px, 5px);
        opacity: 0.3;
    }
    75% {
        transform: scale(1.05) translate(5px, 10px);
        opacity: 0.5;
    }
}

/* Geometric floating shapes */
.geo-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.1;
}

.geo-shape svg {
    width: 100%;
    height: 100%;
}

.geo-shape-1 {
    width: 120px;
    height: 120px;
    top: 15%;
    left: 8%;
    animation: geoFloat 12s ease-in-out infinite;
}

.geo-shape-2 {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 12%;
    animation: geoFloat 10s ease-in-out infinite reverse;
}

.geo-shape-3 {
    width: 60px;
    height: 60px;
    bottom: 25%;
    left: 15%;
    animation: geoRotate 20s linear infinite;
}

@keyframes geoFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes geoRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Noise texture overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Glow effect for buttons */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

/* Card glow on hover */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, transparent 0%, var(--green-400) 50%, transparent 100%);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.service-card {
    position: relative;
}

.service-card:hover::before {
    opacity: 1;
}

/* Animated underline for links */
.footer-col a {
    position: relative;
    display: inline-block;
}

.footer-col a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--green-400);
    transition: width 0.3s ease;
}

.footer-col a:hover::after {
    width: 100%;
}

/* Shimmer effect for hero label */
.hero-label {
    position: relative;
    overflow: hidden;
}

.hero-label::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* Gradient text effect for accent words */
.title-accent {
    background: linear-gradient(135deg, var(--green-600) 0%, var(--green-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-accent::after {
    display: none;
}

/* Animated stats counter effect */
.stat-number {
    background: linear-gradient(135deg, var(--green-600) 0%, var(--green-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hover lift effect for value cards */
.value-card {
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(34, 197, 94, 0.05),
        transparent
    );
    transform: skewX(-15deg);
    transition: left 0.6s ease;
}

.value-card:hover::before {
    left: 100%;
}

/* Contact icon pulse animation */
.contact-icon {
    position: relative;
}

.contact-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    background: var(--green-500);
    transform: translate(-50%, -50%);
    opacity: 0;
    z-index: -1;
    animation: iconPulse 2s ease-out infinite;
}

@keyframes iconPulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* Form focus glow */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    box-shadow:
        0 0 0 3px rgba(34, 197, 94, 0.1),
        0 0 20px rgba(34, 197, 94, 0.1);
}

/* Smooth color transitions for theme switching */
body,
.nav,
.about,
.services,
.contact,
.footer,
.service-card,
.value-card,
.visual-card,
.contact-form {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}