/* ABOUTME: Main stylesheet for EasyVent landing page */
/* ABOUTME: Mobile-first responsive design with air/freshness theme */

/* ============================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================ */
:root {
    /* Color palette - air/freshness theme */
    --color-primary: #2E7D32;          /* Forest green - main CTA */
    --color-primary-dark: #1B5E20;     /* Darker green for hover */
    --color-primary-light: #81C784;    /* Light green accent */

    --color-secondary: #0288D1;        /* Sky blue - secondary actions */
    --color-secondary-dark: #01579B;   /* Darker blue for hover */
    --color-secondary-light: #B3E5FC;  /* Light blue background */

    --color-accent: #00ACC1;           /* Teal - highlights */

    /* Neutral colors */
    --color-white: #FFFFFF;
    --color-bg: #FAFAFA;               /* Very light gray background */
    --color-bg-alt: #F5F5F5;           /* Alternate section background */
    --color-text: #212121;             /* Main text */
    --color-text-light: #616161;       /* Secondary text */
    --color-text-muted: #9E9E9E;       /* Muted text */
    --color-border: #E0E0E0;           /* Borders */

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                   'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;          /* 14px */
    --font-size-lg: 1.125rem;          /* 18px */
    --font-size-xl: 1.25rem;           /* 20px */
    --font-size-2xl: 1.5rem;           /* 24px */
    --font-size-3xl: 2rem;             /* 32px */
    --font-size-4xl: 2.5rem;           /* 40px */

    /* Spacing */
    --spacing-xs: 0.25rem;             /* 4px */
    --spacing-sm: 0.5rem;              /* 8px */
    --spacing-md: 1rem;                /* 16px */
    --spacing-lg: 1.5rem;              /* 24px */
    --spacing-xl: 2rem;                /* 32px */
    --spacing-2xl: 3rem;               /* 48px */
    --spacing-3xl: 4rem;               /* 64px */

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

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

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul {
    list-style: none;
}

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

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-nav {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-by {
    font-style: italic;
    font-weight: 400;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin: 0 var(--spacing-xs);
}

.logo .logo-img,
.logo-img {
    height: 24px !important;
    width: auto !important;
    max-height: 24px !important;
    display: inline-block !important;
}

.footer-logo {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    color: var(--color-white);
}

.footer-logo .logo-by {
    color: rgba(255, 255, 255, 0.7);
}

.footer-logo .footer-logo-img,
.footer-logo-img {
    height: 24px !important;
    width: auto !important;
    max-height: 24px !important;
    display: inline-block !important;
}

.nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.nav-links.active {
    display: flex;
}

.nav-links li {
    margin: var(--spacing-sm) 0;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    display: block;
}

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

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-fast);
}

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

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: calc(64px + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-white) 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.hero-text {
    text-align: center;
}

.hero-headline {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subheadline {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-alt);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius);
}

.hero-image {
    display: flex;
    justify-content: center;
}

/* Placeholder styles for images */
.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4/3;
}

.image-placeholder span {
    font-weight: 600;
}

.image-placeholder small {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.image-placeholder.small {
    max-width: 250px;
    padding: var(--spacing-lg);
}

/* ============================================
   PROBLEM / SOLUTION SECTION
   ============================================ */
.problem-solution {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.problems-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.problem-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--border-radius-lg);
}

.problem-icon {
    margin-bottom: var(--spacing-md);
}

.icon-placeholder {
    font-size: 2.5rem;
}

.icon-placeholder.large {
    font-size: 3rem;
}

.problem-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.problem-card p {
    color: var(--color-text-light);
}

.solution-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.solution-content h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.solution-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.solution-box .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg);
}

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

.feature-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.feature-stat {
    display: inline-block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.color-swatches {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
}

.swatch.white { background-color: #FFFFFF; }
.swatch.brown { background-color: #5D4037; }
.swatch.anthracite { background-color: #37474F; }
.swatch.oak { background-color: #A1887F; }

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

.specs-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--spacing-xl);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.specs-table th,
.specs-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.specs-table th {
    background-color: var(--color-bg);
    font-weight: 600;
    color: var(--color-text);
}

.specs-table th:first-child {
    border-radius: var(--border-radius) 0 0 0;
}

.specs-table th:last-child {
    border-radius: 0 var(--border-radius) 0 0;
}

.specs-table td {
    color: var(--color-text-light);
}

.specs-table td:first-child {
    font-weight: 500;
    color: var(--color-text);
}

.specs-table tr:hover td {
    background-color: var(--color-bg);
}

.specs-download {
    text-align: center;
}

/* ============================================
   VARIANTS SECTION
   ============================================ */
.variants {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg);
}

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

.variant-card {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.variant-card.featured {
    border-color: var(--color-primary);
}

.variant-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.variant-card.featured .variant-badge {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.variant-image {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.variant-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
}

.variant-tagline {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.variant-features {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.variant-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-light);
}

.variant-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.variant-price {
    margin-bottom: var(--spacing-lg);
}

.variant-price .price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
}

.variant-price .price-note {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.variants-help {
    text-align: center;
    color: var(--color-text-light);
}

/* ============================================
   SOCIAL PROOF SECTION
   ============================================ */
.social-proof {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.stats-bar {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.stat {
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

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

.review-card {
    background-color: var(--color-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

.review-stars {
    color: #FFC107;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.review-text {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.review-author {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.author-name {
    font-weight: 600;
    color: var(--color-text);
}

.author-location {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.author-location::before {
    content: "•";
    margin-right: var(--spacing-sm);
}

.reviews-more {
    text-align: center;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: "+";
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
    content: "−";
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-light);
}

.faq-answer p {
    margin-bottom: var(--spacing-md);
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* ============================================
   CTA / CONTACT SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.cta-content {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

.contact-options {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

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

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

.form-group label {
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.form-note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.contact-info {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    color: var(--color-white);
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    font-size: var(--font-size-xl);
}

.contact-method strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-method a {
    color: var(--color-white);
}

.contact-method a:hover {
    text-decoration: underline;
}

.contact-method span {
    color: rgba(255, 255, 255, 0.9);
}

.store-link {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.store-link p {
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.store-link .btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.store-link .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

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

.footer-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}


.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

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

.footer-links h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

.footer-address {
    margin-top: var(--spacing-sm);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }

    /* Navigation */
    .nav-links {
        display: flex;
        flex-direction: row;
        position: static;
        padding: 0;
        box-shadow: none;
        gap: var(--spacing-lg);
    }

    .nav-links li {
        margin: 0;
    }

    .mobile-menu-toggle {
        display: none;
    }

    /* Hero */
    .hero {
        padding-top: calc(64px + var(--spacing-3xl));
        padding-bottom: var(--spacing-3xl);
    }

    .hero-content {
        flex-direction: row;
        align-items: center;
    }

    .hero-text {
        text-align: left;
        flex: 1;
    }

    .hero-headline {
        font-size: var(--font-size-4xl);
    }

    .hero-subheadline {
        margin-left: 0;
    }

    .hero-cta {
        flex-direction: row;
    }

    .hero-badges {
        justify-content: flex-start;
    }

    .hero-image {
        flex: 1;
    }

    /* Problems grid */
    .problems-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Features grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Variants grid */
    .variants-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Stats bar */
    .stats-bar {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Reviews grid */
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Contact options */
    .contact-options {
        grid-template-columns: 1fr 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    /* Features grid */
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Reviews grid */
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Contact options - form takes more space */
    .contact-options {
        grid-template-columns: 3fr 2fr;
    }
}

/* Large desktop (1200px and up) */
@media (min-width: 1200px) {
    .hero-headline {
        font-size: 3rem;
    }

    .image-placeholder {
        max-width: 500px;
    }
}

/* ============================================
   FORM SUCCESS MESSAGE
   ============================================ */
.form-success {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-bg-alt);
    border-radius: var(--border-radius);
}

.form-success h3 {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}