/* ============================================================
   MAXAGENT Landing Page — Style Sheet (Light Theme)
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
    --color-bg:         #ffffff;
    --color-bg-alt:     #f8fafc;
    --color-surface:    #f1f5f9;
    --color-surface-2:  #e2e8f0;
    --color-border:     rgba(0,0,0,0.06);
    --color-border-2:   rgba(0,0,0,0.10);
    --color-text:       #334155;
    --color-text-muted: #64748b;
    --color-heading:    #0f172a;
    --color-white:      #ffffff;

    --blue:       #3b82f6;
    --blue-glow:  rgba(59,130,246,0.08);
    --purple:     #7c3aed;
    --purple-glow:rgba(124,58,237,0.08);
    --green:      #059669;
    --green-glow: rgba(5,150,105,0.08);
    --cyan:       #0891b2;
    --cyan-glow:  rgba(8,145,178,0.08);
    --amber:      #d97706;
    --amber-glow: rgba(217,119,6,0.08);
    --slate:      #475569;
    --slate-glow: rgba(71,85,105,0.08);

    --gradient-primary: linear-gradient(135deg, #3b82f6, #7c3aed);
    --gradient-hero:    linear-gradient(135deg, #f0f4ff 0%, #f8fafc 50%, #eef2ff 100%);

    --radius-sm:  8px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  24px;

    --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.10);
    --shadow-glow:0 0 40px rgba(59,130,246,0.10);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

ul { list-style: none; }

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

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

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: padding 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    background: transparent;
}

/* Animated gradient shimmer bar */
.navbar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(59,130,246,0.0) 10%,
        rgba(59,130,246,0.6) 30%,
        rgba(124,58,237,0.6) 50%,
        rgba(8,145,178,0.6) 70%,
        rgba(59,130,246,0.0) 90%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: navShimmer 4s ease-in-out infinite;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.navbar.scrolled::before {
    opacity: 1;
}

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

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    padding: 10px 0;
    box-shadow: 0 1px 12px rgba(0,0,0,0.04);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-max {
    color: var(--color-heading);
}

.logo-agent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-heading);
    background: rgba(0,0,0,0.04);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-sister {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 8px 16px;
    border: 1px solid var(--color-border-2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-sister:hover {
    color: var(--blue);
    border-color: var(--blue);
    background: var(--blue-glow);
}

.nav-sister i {
    font-size: 0.65rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-heading);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    overflow: hidden;
}

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

.hero-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.12), transparent 70%);
    top: -200px;
    left: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124,58,237,0.10), transparent 70%);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(8,145,178,0.08), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(30px, -20px) scale(1.05); }
    66%      { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--blue-glow);
    border: 1px solid rgba(59,130,246,0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge i {
    font-size: 0.7rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-heading);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: var(--font);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(59,130,246,0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59,130,246,0.35);
}

.btn-outline {
    background: var(--color-white);
    color: var(--color-heading);
    border: 1px solid var(--color-border-2);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    border-color: var(--blue);
    background: var(--blue-glow);
    color: var(--blue);
}

/* ============================================================
   LOGIN CARD (Hero)
   ============================================================ */
.hero-login-box {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.login-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.1rem;
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(59,130,246,0.25);
}

.login-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.login-header p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper > i:first-child {
    position: absolute;
    left: 14px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition);
}

.input-wrapper input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    background: var(--color-white);
    border: 1px solid var(--color-border-2);
    border-radius: var(--radius-sm);
    color: var(--color-heading);
    font-size: 0.9rem;
    font-family: var(--font);
    transition: var(--transition);
    outline: none;
}

.input-wrapper input::placeholder {
    color: rgba(100, 116, 139, 0.6);
}

.input-wrapper input:focus {
    border-color: var(--blue);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.input-wrapper input:focus ~ i:first-child {
    color: var(--blue);
}

.toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 4px;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--color-heading);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    font-family: var(--font);
    box-shadow: 0 4px 16px rgba(59,130,246,0.25);
    margin-top: 4px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59,130,246,0.35);
}

.login-footer {
    text-align: center;
}

.login-footer a {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

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

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 4px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    background: var(--blue-glow);
    color: var(--blue);
    border: 1px solid rgba(59,130,246,0.15);
}

.section-tag.blue    { background: var(--blue-glow);   color: var(--blue);   border-color: rgba(59,130,246,0.15); }
.section-tag.purple  { background: var(--purple-glow); color: var(--purple); border-color: rgba(124,58,237,0.15); }
.section-tag.green   { background: var(--green-glow);  color: var(--green);  border-color: rgba(5,150,105,0.15); }
.section-tag.cyan    { background: var(--cyan-glow);   color: var(--cyan);   border-color: rgba(8,145,178,0.15); }
.section-tag.amber   { background: var(--amber-glow);  color: var(--amber);  border-color: rgba(217,119,6,0.15); }
.section-tag.slate   { background: var(--slate-glow);  color: var(--slate);  border-color: rgba(71,85,105,0.15); }
.section-tag.white   { background: rgba(255,255,255,0.2); color: var(--color-white); border-color: rgba(255,255,255,0.3); }

.section-header h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-heading);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.2;
}

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

/* ============================================================
   FEATURE SECTIONS
   ============================================================ */
.feature-section {
    padding: 100px 0;
}

.feature-section.alt-bg {
    background: var(--color-bg-alt);
}

/* Features Overview Nav */
.features-overview {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.features-nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.feature-nav-card {
    text-align: center;
    padding: 32px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.feature-nav-card:hover {
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.feature-nav-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.25rem;
    color: var(--accent, var(--blue));
    background: color-mix(in srgb, var(--accent, var(--blue)) 8%, transparent);
}

.feature-nav-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.feature-nav-card p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Feature Cards Grid */
.feature-grid {
    display: grid;
    gap: 24px;
}

.feature-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

.feature-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.feature-card {
    padding: 32px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    border-color: rgba(59,130,246,0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.feature-card.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.feature-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.feature-card-icon.blue   { color: var(--blue);   background: var(--blue-glow); }
.feature-card-icon.purple { color: var(--purple); background: var(--purple-glow); }
.feature-card-icon.green  { color: var(--green);  background: var(--green-glow); }
.feature-card-icon.cyan   { color: var(--cyan);   background: var(--cyan-glow); }
.feature-card-icon.amber  { color: var(--amber);  background: var(--amber-glow); }
.feature-card-icon.slate  { color: var(--slate);  background: var(--slate-glow); }

.feature-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* ============================================================
   MLS SECTION
   ============================================================ */
.mls-section {
    padding: 100px 0;
    background: var(--color-bg);
}

.mls-card {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 64px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.mls-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at top right, rgba(255,255,255,0.15), transparent 60%),
        radial-gradient(ellipse at bottom left, rgba(0,0,0,0.1), transparent 60%);
    pointer-events: none;
}

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

.mls-content h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.mls-content p {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.mls-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mls-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.95);
    font-weight: 500;
}

.mls-feature i {
    color: rgba(255,255,255,0.8);
}

.mls-stats {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mls-stat {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    padding: 28px 36px;
    text-align: center;
    min-width: 180px;
}

.mls-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 4px;
}

.mls-stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-heading);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

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

.footer-logo {
    font-size: 1.3rem;
    font-weight: 800;
    display: inline-block;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.65;
    margin-bottom: 20px;
    max-width: 320px;
}

.footer-sister {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.footer-sister span {
    color: rgba(255,255,255,0.5);
}

.footer-sister a {
    color: rgba(255,255,255,0.8);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

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

.footer-sister a i {
    font-size: 0.6rem;
}

.footer-links h5 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a {
    color: rgba(255,255,255,0.6);
}

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

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 900;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 4px 16px rgba(59,130,246,0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.9);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease, box-shadow 0.3s ease;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
    box-shadow: 0 8px 24px rgba(59,130,246,0.35);
    transform: translateY(-3px) scale(1.05);
}

.scroll-to-top:active {
    transform: translateY(0) scale(0.97);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered fade in */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta-row {
        justify-content: center;
    }

    .hero-login-box {
        max-width: 400px;
        margin: 0 auto;
    }

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

    .feature-grid.three-col {
        grid-template-columns: repeat(2, 1fr);
    }

    .mls-card {
        grid-template-columns: 1fr;
        padding: 48px;
        text-align: center;
    }

    .mls-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .mls-features {
        align-items: center;
    }

    .mls-stats {
        flex-direction: row;
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    }

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

    .nav-links a {
        padding: 12px 16px;
        width: 100%;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-sister {
        display: none;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .feature-grid.three-col,
    .feature-grid.two-col {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .mls-card {
        padding: 32px;
    }

    .mls-stats {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .feature-section {
        padding: 64px 0;
    }

    .features-overview {
        padding: 64px 0;
    }
}

@media (max-width: 480px) {
    .features-nav-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-badge span {
        font-size: 0.7rem;
    }

    .login-card {
        padding: 28px 24px;
    }
}