/* ===== CSS RESET ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #2d5a27;
    --primary-light: #4a7c59;
    --primary-dark: #1e3d1a;
    --secondary-color: #7fb069;
    --accent-color: #a4c686;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --error-color: #f5222d;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e8e8e8;
    --gray-300: #d9d9d9;
    --gray-400: #bfbfbf;
    --gray-500: #8c8c8c;
    --gray-600: #595959;
    --gray-700: #434343;
    --gray-800: #262626;
    --gray-900: #1f1f1f;
    --black: #000000;
    
    /* Typography */
    --font-family-primary: 'Inter', sans-serif;
    --font-family-secondary: 'Poppins', sans-serif;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;     /* 12px */
    --fs-sm: 0.875rem;    /* 14px */
    --fs-base: 1rem;      /* 16px */
    --fs-lg: 1.125rem;    /* 18px */
    --fs-xl: 1.25rem;     /* 20px */
    --fs-2xl: 1.5rem;     /* 24px */
    --fs-3xl: 1.875rem;   /* 30px */
    --fs-4xl: 2.25rem;    /* 36px */
    --fs-5xl: 3rem;       /* 48px */
    --fs-6xl: 3.75rem;    /* 60px */
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 120px;
    
    /* Z-index */
    --z-fixed: 100;
    --z-modal: 1000;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media screen and (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* Section Headers */
.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__title {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
}

.section__subtitle {
    font-size: var(--fs-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--fs-base);
    font-weight: 500;
    border-radius: var(--border-radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border-color: var(--primary-color);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn--outline:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--full {
    width: 100%;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--gray-200);
}

.header.scroll-header {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-family-secondary);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav__logo-img {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--white);
    padding: var(--spacing-3xl) var(--spacing-xl);
    transition: right var(--transition-normal);
    z-index: var(--z-fixed);
}

.nav__menu.show-menu {
    right: 0;
}

.nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.nav__link {
    font-size: var(--fs-lg);
    font-weight: 500;
    color: var(--gray-700);
    transition: color var(--transition-normal);
    position: relative;
}

.nav__link:hover,
.nav__link.active-link {
    color: var(--primary-color);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.nav__close,
.nav__toggle {
    display: flex;
    font-size: var(--fs-2xl);
    color: var(--gray-700);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.nav__close:hover,
.nav__toggle:hover {
    color: var(--primary-color);
}

.nav__close {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
}

/* Desktop Navigation */
@media screen and (min-width: 768px) {
    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        padding: 0;
    }
    
    .nav__list {
        flex-direction: row;
        gap: var(--spacing-xl);
        margin-top: 0;
    }
    
    .nav__link {
        font-size: var(--fs-base);
    }
    
    .nav__close,
    .nav__toggle {
        display: none;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e8e8e8" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: -1;
}

.hero__container {
    display: grid;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero__title-accent {
    color: var(--primary-color);
    position: relative;
}

.hero__title-accent::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
}

.hero__description {
    font-size: var(--fs-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-family: var(--font-family-secondary);
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.hero__stat-text {
    font-size: var(--fs-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.hero__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__img {
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(45, 90, 39, 0.2));
}

.hero__floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--gray-700);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary-color);
}

.floating-card--1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card--2 {
    top: 60%;
    right: 10%;
    animation-delay: 1s;
}

.floating-card--3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: var(--border-radius-full);
    box-shadow: var(--shadow-md);
    color: var(--primary-color);
    font-size: var(--fs-lg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Desktop Hero */
@media screen and (min-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .hero__content {
        text-align: left;
    }
    
    .hero__title {
        font-size: var(--fs-5xl);
    }
    
    .hero__buttons {
        flex-direction: row;
    }
    
    .hero__description {
        margin-left: 0;
        margin-right: 0;
    }
}

/* ===== MISSION SECTION ===== */
.mission {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.mission__content {
    display: grid;
    gap: var(--spacing-3xl);
    align-items: center;
}

.mission__text h3 {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-2xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.mission__text p {
    font-size: var(--fs-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.mission__features {
    display: grid;
    gap: var(--spacing-lg);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.feature:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature__icon {
    font-size: var(--fs-2xl);
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}

.feature__content h4 {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.feature__content p {
    font-size: var(--fs-base);
    color: var(--gray-600);
    margin: 0;
}

.mission__image {
    display: flex;
    justify-content: center;
}

.mission__image img {
    max-width: 500px;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Desktop Mission */
@media screen and (min-width: 768px) {
    .mission__content {
        grid-template-columns: 1fr 1fr;
    }
    
    .mission__features {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== PRODUCTS SECTION ===== */
.products {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.products__grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.product-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
    margin: 0 auto var(--spacing-lg);
    font-size: var(--fs-3xl);
    color: var(--white);
}

.product-card__title {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.product-card__description {
    font-size: var(--fs-base);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.product-card__features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.product-card__features li {
    font-size: var(--fs-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-lg);
}

.product-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.sensors__section {
    margin-top: var(--spacing-3xl);
}

.sensors__title {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-2xl);
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.sensor-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.sensor-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.sensor-item i {
    font-size: var(--fs-xl);
    color: var(--secondary-color);
    width: 30px;
    text-align: center;
}

.sensor-item span {
    font-weight: 500;
    color: var(--gray-700);
}

/* Desktop Products */
@media screen and (min-width: 768px) {
    .products__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== AUDIENCE SECTION ===== */
.audience {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.audience__grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.audience-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--border-radius-xl);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.audience-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.audience-card i {
    font-size: var(--fs-4xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.audience-card h3 {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.audience-card p {
    color: var(--gray-600);
}

/* ===== USE CASES SECTION ===== */
.use-cases {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.use-cases__grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.use-case {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.use-case:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.use-case__image {
    position: relative;
    height: 200px;
    background: var(--gray-200);
    overflow: hidden;
}

.use-case__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.use-case:hover .use-case__image img {
    transform: scale(1.1);
}

.use-case__overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(45, 90, 39, 0.9);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-2xl);
    color: var(--white);
}

.use-case__content {
    padding: var(--spacing-xl);
}

.use-case__content h3 {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.use-case__content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== ROADMAP SECTION ===== */
.roadmap {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.roadmap__timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap__timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 3;
    text-align: left;
}

.timeline-marker {
    grid-column: 2;
    position: relative;
    z-index: 1;
}

.timeline-quarter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: var(--border-radius-full);
    font-family: var(--font-family-secondary);
    font-size: var(--fs-lg);
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.timeline-content {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.timeline-content h3 {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: var(--fs-lg);
}

/* Mobile Roadmap */
@media screen and (max-width: 767px) {
    .roadmap__timeline::before {
        left: 40px;
    }
    
    .timeline-item {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-lg);
    }
    
    .timeline-marker {
        grid-column: 1;
    }
    
    .timeline-content {
        grid-column: 2;
        text-align: left !important;
    }
    
    .timeline-quarter {
        width: 60px;
        height: 60px;
        font-size: var(--fs-base);
    }
}

/* ===== CTA SECTION ===== */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    text-align: center;
}

.cta__title {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.cta__description {
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

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

.cta .btn--primary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.cta .btn--secondary {
    border-color: var(--white);
    color: var(--white);
}

.cta .btn--secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

@media screen and (min-width: 768px) {
    .cta__buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.contact__content {
    display: grid;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact__info h3 {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-2xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

.contact__items {
    display: grid;
    gap: var(--spacing-lg);
}

.contact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.contact__item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact__icon {
    font-size: var(--fs-2xl);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    background: var(--gray-50);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact__details h4 {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.contact__details a {
    color: var(--primary-color);
    transition: color var(--transition-normal);
}

.contact__details a:hover {
    color: var(--primary-dark);
}

.contact__form-container {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact__form {
    display: grid;
    gap: var(--spacing-lg);
}

.form__group {
    position: relative;
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    font-size: var(--fs-base);
    font-family: inherit;
    transition: all var(--transition-normal);
    background: var(--white);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

.form__label {
    position: absolute;
    top: 50%;
    left: var(--spacing-lg);
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: var(--fs-base);
    transition: all var(--transition-normal);
    pointer-events: none;
    background: var(--white);
    padding: 0 var(--spacing-xs);
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label,
.form__textarea:focus + .form__label,
.form__textarea:not(:placeholder-shown) + .form__label {
    top: 0;
    font-size: var(--fs-sm);
    color: var(--primary-color);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-md) center;
    background-repeat: no-repeat;
    background-size: 16px 12px;
}

/* Desktop Contact */
@media screen and (min-width: 768px) {
    .contact__content {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-family-secondary);
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer__logo img {
    width: 65px;
    height: 65px;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.footer__description {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--border-radius-full);
    color: var(--gray-400);
    font-size: var(--fs-lg);
    transition: all var(--transition-normal);
}

.footer__social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.footer__title {
    font-family: var(--font-family-secondary);
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.footer__links {
    display: grid;
    gap: var(--spacing-sm);
}

.footer__links a {
    color: var(--gray-400);
    transition: color var(--transition-normal);
}

.footer__links a:hover {
    color: var(--primary-color);
}

.footer__bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.footer__bottom p {
    color: var(--gray-400);
    font-size: var(--fs-sm);
}

.footer__bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__bottom-links a {
    color: var(--gray-400);
    font-size: var(--fs-sm);
    transition: color var(--transition-normal);
}

.footer__bottom-links a:hover {
    color: var(--primary-color);
}

/* Desktop Footer */
@media screen and (min-width: 768px) {
    .footer__content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-full);
    font-size: var(--fs-lg);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

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

/* ===== RESPONSIVE UTILITIES ===== */
@media screen and (max-width: 767px) {
    .hero__buttons {
        align-items: stretch;
    }
    
    .hero__stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cta__title {
        font-size: var(--fs-3xl);
    }
    
    .section__title {
        font-size: var(--fs-3xl);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation classes for JavaScript */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease-out;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}