/* --- Globální reset a nastavení --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0c0c0c;
    --card-bg: #1a1a1a;
    --card-border: #333333;
    --primary: #d32f2f;
    --primary-glow: rgba(211, 47, 47, 0.4);
    --secondary: #b71c1c;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Glowing Blobs na pozadí --- */
.glowing-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
    animation: float 20s infinite alternate;
}

.blob-red {
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.blob-dark-red {
    background: var(--secondary);
    bottom: -150px;
    left: -150px;
    animation-delay: 4s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.1); }
    100% { transform: translate(-20px, 50px) scale(0.9); }
}

/* --- Hlavička (Navigation) --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000;
    background: rgba(12, 12, 12, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.header.scrolled {
    height: 70px;
    background: rgba(12, 12, 12, 0.9);
    border-bottom: 1px solid #444444;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.logo-icon {
    color: var(--primary);
    filter: drop-shadow(0 0 6px var(--primary-glow));
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: scale(1.1);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: 0.5px;
}

.highlight {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 22px;
    cursor: pointer;
}

/* --- Tlačítka --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: var(--font-heading);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
    border-radius: 14px;
}

.btn-icon-gap {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #e53935;
    box-shadow: 0 6px 26px rgba(211, 47, 47, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    border-color: #555555;
}

/* --- Hero Sekce --- */
.hero {
    padding-top: 140px;
    padding-bottom: 50px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 60px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(211, 47, 47, 0.1);
    border: 1px solid rgba(211, 47, 47, 0.3);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: #ff5252;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 58px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(90deg, #ffffff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-glow {
    position: absolute;
    width: 90%;
    height: 90%;
    background: radial-gradient(circle, rgba(2, 119, 189, 0.25) 0%, transparent 70%);
    filter: blur(40px);
    z-index: 1;
    bottom: -10px;
}

/* --- Čistý CSS Telefonní Mockup (Věrná replika screenshotu) --- */
.phone-mockup {
    width: 320px;
    height: 640px;
    background: #000000;
    border: 10px solid #1e1e1e;
    border-radius: 44px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.12);
    position: relative;
    z-index: 2;
    overflow: hidden;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 25px;
    background: #1e1e1e;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    z-index: 10;
}

.phone-screen {
    flex: 1;
    background: #0277bd; /* Přesná barva pozadí pro Technickou pomoc ze screenshotu */
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 14px;
    padding-top: 36px;
}

.phone-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    padding: 0 12px;
    margin-bottom: 16px;
}

.status-icons {
    display: flex;
    gap: 6px;
    font-size: 10px;
}

/* Poplach Obrazovka (1:1 podle screenshotu aplikace) */
.phone-alert-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.alert-header {
    text-align: center;
    color: #ffffff;
    margin-bottom: 16px;
}

.alert-top-icon {
    font-size: 38px;
    margin-bottom: 10px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

.alert-header h2 {
    font-family: var(--font-body);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.alert-subtitle {
    font-size: 12px;
    font-weight: 600;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

/* Bílá karta s adresou */
.alert-address-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 14px;
    text-align: left;
}

.address-icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #e1f5fe;
    color: #0288d1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.address-text {
    flex: 1;
}

.address-text h3 {
    font-size: 12px;
    font-weight: 700;
    color: #1c1c1e;
    line-height: 1.35;
    margin-bottom: 2px;
}

.address-text p {
    font-size: 9px;
    color: #8e8e93;
    font-weight: 500;
}

.address-chevron {
    color: #c7c7cc;
    font-size: 12px;
}

/* Tmavá karta s detaily */
.alert-details-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 18px;
    padding: 16px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
    margin-bottom: 14px;
}

.details-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge-technika {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-tts-volume {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
}

.details-section {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.section-label {
    font-size: 9px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.5px;
}

.section-value {
    font-size: 12px;
    font-weight: 600;
    color: #ffffff;
}

.section-value.value-muted {
    color: rgba(255, 255, 255, 0.4);
    font-family: monospace;
    font-size: 11px;
    line-height: 1.4;
}

/* Karta oznamovatele */
.alert-reporter-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 10px;
    font-weight: 600;
    text-align: left;
    margin-bottom: 14px;
}

.alert-reporter-card i {
    font-size: 11px;
}

/* Spodní tlačítko Zavřít poplach */
.phone-btn-close {
    width: 100%;
    background: #ffffff;
    border: none;
    color: var(--primary);
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 13px;
    padding: 14px;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    letter-spacing: 0.5px;
    transition: transform 0.1s ease;
}

.phone-btn-close:active {
    transform: scale(0.98);
}

/* --- Společné záhlaví sekcí --- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Funkce (Features Grid) --- */
.features {
    padding: 60px 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 36px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #555555;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    background: #222222;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 24px;
}

.feature-icon-wrapper.red {
    background: rgba(211, 47, 47, 0.08);
    color: var(--primary);
    border: 1px solid rgba(211, 47, 47, 0.2);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.5;
}

/* --- Jak to funguje (Steps) --- */
.how-it-works {
    padding: 60px 0;
    background: rgba(255, 255, 255, 0.01);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.steps-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.step-num {
    position: absolute;
    top: -20px;
    left: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.step-card h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-top: 10px;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.5;
}

/* --- Spolehlivost a Nastavení --- */
.reliability-section {
    padding: 60px 0;
    position: relative;
}

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

.reliability-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.reliability-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-top: 10px;
    margin-bottom: 16px;
}

.reliability-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 14px;
}

.reliability-card p:last-of-type {
    margin-bottom: 0;
}

.tip-box {
    margin-top: 24px;
    background: rgba(211, 47, 47, 0.04);
    border: 1px solid rgba(211, 47, 47, 0.2);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--text-muted);
}

.tip-icon {
    font-size: 16px;
    color: var(--primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.portall-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 16px;
}

.portall-step {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.step-badge {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 850;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
    box-shadow: 0 2px 6px var(--primary-glow);
}

.portall-step p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.45;
    margin-bottom: 0;
}

/* --- Kontakt Sekce --- */
.contact-section {
    padding: 60px 0;
    position: relative;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.contact-info-block h2 {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.25;
}

.contact-info-block p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 16px;
}

.contact-info-block p:last-child {
    margin-bottom: 0;
}

.contact-form-block h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-subtext {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #111111;
    border: 1px solid #222222;
    border-radius: 16px;
    padding: 16px 20px;
}

.contact-icon-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(211, 47, 47, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.contact-method-text {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 9px;
    font-weight: 700;
    color: #666666;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.method-value {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.method-value:hover {
    color: var(--primary);
}

/* --- Download Sekce (Sideloading box) --- */
.download-section {
    padding: 60px 0;
}

.download-card {
    background: linear-gradient(145deg, #16181e 0%, #0a0b0e 100%);
    border: 1px solid var(--card-border);
    border-radius: 32px;
    padding: 60px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.download-content h2 {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-text {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 36px;
}

/* Alert Box */
.alert-box {
    background: rgba(211, 47, 47, 0.03);
    border: 1px solid rgba(211, 47, 47, 0.2);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    gap: 16px;
    text-align: left;
    margin-bottom: 40px;
}

.alert-icon {
    font-size: 22px;
    color: var(--primary);
    margin-top: 2px;
}

.alert-box strong {
    color: #fff;
}

.alert-box div {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-muted);
}

.download-actions {
    margin-bottom: 48px;
}

/* Installation Guide */
.installation-steps {
    text-align: left;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 32px;
    max-width: 680px;
    margin: 0 auto;
}

.installation-steps h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.installation-steps ol {
    padding-left: 20px;
    color: var(--text-muted);
    font-size: 15px;
}

.installation-steps li {
    margin-bottom: 12px;
}

.installation-steps li strong {
    color: var(--primary);
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--card-border);
    background: #080808;
    padding: 60px 0;
}

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

.footer-info p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
}

.footer-links p {
    color: var(--text-muted);
    font-size: 13px;
}

/* --- Responzivní design (Media Queries) --- */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-description {
        margin: 0 auto 36px;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .steps-wrapper {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .step-num {
        top: -20px;
        left: 50%;
        transform: translateX(-50%);
    }

    .step-card {
        text-align: center;
    }

    .step-card h4 {
        margin-top: 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .contact-method {
        justify-content: center;
        text-align: left;
        max-width: 320px;
        margin: 0 auto;
    }

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

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        padding: 8px;
        margin-right: -8px;
    }

    .nav {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(12, 12, 12, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 0 24px;
        gap: 24px;
        border-bottom: 1px solid var(--card-border);
        text-align: center;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease, opacity 0.2s ease;
    }

    .nav.open {
        max-height: 350px;
        padding: 32px 24px;
        opacity: 1;
        pointer-events: auto;
    }

    .header-cta {
        display: none;
    }

    .hero {
        padding-top: 100px;
        padding-bottom: 30px;
    }

    .features {
        padding: 40px 0;
    }

    .how-it-works {
        padding: 40px 0;
    }

    .reliability-section {
        padding: 40px 0;
    }

    .contact-section {
        padding: 40px 0;
    }

    .download-section {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .hero-title {
        font-size: 36px;
    }

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

    .download-card {
        padding: 30px 20px;
    }

    .contact-card {
        padding: 32px 20px;
    }

    .footer-container {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-info {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer .logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .download-content h2 {
        font-size: 26px;
    }

    .contact-card {
        padding: 24px 16px;
    }

    .reliability-card {
        padding: 24px 16px;
    }

    .reliability-card h3 {
        font-size: 20px;
    }

    .contact-info-block h2 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .contact-form-block h3 {
        font-size: 18px;
    }

    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding: 16px 12px;
    }

    .contact-method-text {
        align-items: center;
    }

    .method-value {
        font-size: 15px;
        word-break: break-all;
    }

    .btn-lg {
        padding: 14px 20px;
        font-size: 14px;
        width: 100%;
    }

    .alert-box {
        padding: 16px;
        gap: 12px;
        margin-bottom: 24px;
    }

    .installation-steps {
        padding: 20px 16px;
    }

    .phone-mockup {
        width: 260px;
        height: 520px;
        border-width: 8px;
        border-radius: 36px;
    }
    
    .phone-screen {
        padding: 10px;
        padding-top: 26px;
    }

    .phone-notch {
        width: 90px;
        height: 18px;
    }

    .alert-top-icon {
        font-size: 30px;
        margin-bottom: 6px;
    }

    .alert-header h2 {
        font-size: 16px;
    }

    .alert-subtitle {
        font-size: 10px;
    }

    .alert-address-card {
        padding: 10px 12px;
        margin-bottom: 10px;
        border-radius: 14px;
    }

    .address-icon-circle {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .address-text h3 {
        font-size: 10px;
    }

    .address-text p {
        font-size: 8px;
    }

    .alert-details-card {
        padding: 12px;
        margin-bottom: 10px;
        border-radius: 14px;
    }

    .details-header-row {
        margin-bottom: 8px;
    }

    .badge-technika {
        padding: 4px 10px;
        font-size: 9px;
    }

    .btn-tts-volume {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }

    .section-value {
        font-size: 11px;
    }

    .section-value.value-muted {
        font-size: 10px;
    }

    .alert-reporter-card {
        padding: 8px 12px;
        margin-bottom: 10px;
        border-radius: 10px;
        font-size: 9px;
    }

    .phone-btn-close {
        padding: 11px;
        font-size: 11px;
        border-radius: 12px;
    }

    .steps-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
    }
}