/**
 * Instal-Hydro - Mobile-First Styles
 *
 * Kolory zgodne z brandbookiem:
 * - Głęboki Błękit (główny): #1E5B8C
 * - Ciepły Pomarańcz (akcent): #F28C28
 * - Granatowy (ciemne tła): #0D3A5C
 * - Jasny Błękit (hover): #4A9ED4
 * - Szary Lodowy (tła sekcji): #F5F7FA
 * - Antracyt (tekst): #1A1A1A
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    /* Kolory główne */
    --color-primary: #1E5B8C;
    --color-primary-dark: #164569;
    --color-accent: #F28C28;
    --color-accent-dark: #D97A1F;

    /* Kolory uzupełniające */
    --color-navy: #0D3A5C;
    --color-light-blue: #4A9ED4;
    --color-ice-gray: #F5F7FA;
    --color-anthracite: #1A1A1A;
    --color-white: #FFFFFF;

    /* Tekst */
    --color-text: #1A1A1A;
    --color-text-light: #4A5568;
    --color-text-inverse: #FFFFFF;

    /* Typografia */
    --font-heading: 'Barlow Semi Condensed', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;

    /* Rozmiary - mobile first */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 2.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1rem;
    --header-height: 70px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.2);

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

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

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-accent {
    color: var(--color-accent);
}

.section-title {
    font-size: var(--text-2xl);
    text-align: center;
    margin-bottom: var(--space-4);
}

.section-title--light {
    color: var(--color-white);
}

.section-subtitle {
    font-size: var(--text-base);
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--transition-slow), transform 0.6s var(--transition-slow);
}

.animate-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations */
.animate-fade-up:nth-child(1) { transition-delay: 0ms; }
.animate-fade-up:nth-child(2) { transition-delay: 100ms; }
.animate-fade-up:nth-child(3) { transition-delay: 200ms; }
.animate-fade-up:nth-child(4) { transition-delay: 300ms; }

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-base);
    border: 2px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.btn--primary:active {
    transform: translateY(0);
}

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

.btn--accent:hover {
    background-color: var(--color-white);
    color: var(--color-accent);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn--large {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-6);
}

.btn__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.btn--large .btn__icon {
    width: 24px;
    height: 24px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    height: var(--header-height);
    transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.header.is-scrolled {
    box-shadow: var(--shadow-lg);
}

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

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

.logo-img {
    height: 40px;
    width: auto;
}

/* Mobile phone icon */
.header__phone-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-accent);
    border-radius: 50%;
    color: var(--color-white);
    margin-right: var(--space-2);
    transition: transform var(--transition-base), background-color var(--transition-base);
}

.header__phone-mobile:hover {
    background-color: var(--color-accent-dark);
    transform: scale(1.05);
}

.header__phone-mobile svg {
    width: 20px;
    height: 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
}

.nav.is-active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.nav-link {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-ice-gray);
    transition: color var(--transition-fast);
}

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

.nav-link--cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-base);
    border: none;
    margin-top: var(--space-2);
}

.nav-link--cta svg {
    width: 18px;
    height: 18px;
}

.nav-link--cta:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-white);
}

/* Hamburger */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: 10;
}

.nav-toggle__bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(13, 58, 92, 0.85) 0%,
        rgba(13, 58, 92, 0.7) 50%,
        rgba(13, 58, 92, 0.9) 100%
    );
}

.hero .container {
    position: relative;
    z-index: 1;
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.hero__content {
    text-align: center;
}

.hero__eyebrow {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: rgba(242, 140, 40, 0.15);
    border-radius: var(--radius-base);
}

.hero__title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    line-height: 1.15;
}

.hero__title .text-accent {
    display: block;
    margin-top: var(--space-2);
}

.hero__lead {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-6);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    margin-bottom: var(--space-8);
}

.hero__cta .btn {
    width: 100%;
    max-width: 300px;
}

/* Hero badges */
.hero__badges {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero__badge {
    text-align: center;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 90px;
}

.hero__badge strong {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.hero__badge span {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.3;
    display: block;
    margin-top: var(--space-1);
}

/* ==========================================================================
   Trust Bar
   ========================================================================== */

.trust-bar {
    background-color: var(--color-navy);
    padding: var(--space-4) 0;
}

.trust-bar__items {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.trust-bar__item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-sm);
    font-weight: 500;
}

.trust-bar__item svg {
    color: var(--color-accent);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   For Who Section
   ========================================================================== */

.for-who {
    padding: var(--space-12) 0;
    background-color: var(--color-white);
}

.for-who__grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.for-who__card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-white);
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.for-who__card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.for-who__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-ice-gray);
    border-radius: var(--radius-base);
    color: var(--color-primary);
    flex-shrink: 0;
}

.for-who__content {
    flex: 1;
    min-width: 0;
}

.for-who__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.for-who__text {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

/* ==========================================================================
   Concerns Section (Accordion)
   ========================================================================== */

.concerns {
    padding: var(--space-12) 0;
    background-color: var(--color-ice-gray);
}

.concerns__list {
    max-width: 700px;
    margin: 0 auto;
}

.concern {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

.concern:hover {
    box-shadow: var(--shadow-base);
}

.concern__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
}

.concern__question::-webkit-details-marker {
    display: none;
}

.concern__question span:first-child {
    flex: 1;
}

.concern__icon {
    width: 24px;
    height: 24px;
    position: relative;
    flex-shrink: 0;
}

.concern__icon::before,
.concern__icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-primary);
    transition: transform var(--transition-base);
}

.concern__icon::before {
    width: 14px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.concern__icon::after {
    width: 2px;
    height: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.concern[open] .concern__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.concern__answer {
    padding: 0 var(--space-5) var(--space-4);
    animation: fadeIn 0.3s ease;
}

.concern__answer p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    padding-left: var(--space-4);
    border-left: 3px solid var(--color-accent);
    margin: 0;
}

/* ==========================================================================
   Process Section
   ========================================================================== */

.process {
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-primary) 100%);
}

.process__steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 500px;
    margin: 0 auto;
}

.process__step {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.process__number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.process__title {
    font-size: var(--text-lg);
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

.process__text {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
    margin: 0;
}

.process__cta {
    text-align: center;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Gallery Section (Slider)
   ========================================================================== */

.gallery {
    padding: var(--space-12) 0;
    background-color: var(--color-white);
    overflow: hidden;
}

.gallery__slider {
    margin-top: var(--space-6);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0 var(--container-padding);
}

.gallery__slider::-webkit-scrollbar {
    display: none;
}

.gallery__track {
    display: flex;
    gap: var(--space-4);
    padding-bottom: var(--space-4);
}

.gallery__slide {
    flex: 0 0 280px;
    scroll-snap-align: start;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    background: var(--color-white);
}

.gallery__slide:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.gallery__slide img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.gallery__slide figcaption {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text);
    text-align: center;
    background: var(--color-white);
}

/* ==========================================================================
   Benefits Section
   ========================================================================== */

.benefits {
    padding: var(--space-12) 0;
    background-color: var(--color-ice-gray);
}

.benefits__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.benefit {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.benefit__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-light-blue));
    border-radius: var(--radius-base);
    color: var(--color-white);
    flex-shrink: 0;
}

.benefit__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.benefit__text {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.5;
    margin: 0;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq {
    padding: var(--space-12) 0;
    background-color: var(--color-white);
}

.faq__list {
    max-width: 700px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid #E2E8F0;
}

.faq__item:last-child {
    border-bottom: none;
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) 0;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    text-align: left;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    font-size: var(--text-xl);
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: var(--space-3);
    transition: transform var(--transition-base);
}

.faq__item[open] .faq__question::after {
    content: '−';
}

.faq__answer {
    padding-bottom: var(--space-4);
    animation: fadeIn 0.3s ease;
}

.faq__answer p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

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

.contact {
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-navy) 100%);
}

.contact__content {
    text-align: center;
}

.contact__lead {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-6);
}

.contact__phone {
    display: inline-block;
    margin-bottom: var(--space-4);
}

.contact__phone-number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-accent);
    transition: color var(--transition-base);
}

.contact__phone:hover .contact__phone-number {
    color: var(--color-white);
}

.contact__email {
    display: block;
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-6);
    transition: color var(--transition-fast);
}

.contact__email:hover {
    color: var(--color-accent);
}

.contact__info {
    margin-bottom: var(--space-6);
}

.contact__info p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-1);
}

.contact__info strong {
    color: var(--color-white);
}

.contact__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

.contact__badges span {
    font-size: var(--text-xs);
    color: var(--color-white);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-base);
}

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

.footer {
    background-color: var(--color-navy);
    padding: var(--space-10) 0 var(--space-6);
}

.footer__main {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer__brand {
    text-align: center;
}

.footer__logo {
    height: 45px;
    width: auto;
    margin: 0 auto var(--space-3);
}

.footer__tagline {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-2);
}

.footer__phone {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.footer__phone:hover {
    color: var(--color-white);
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    text-align: center;
}

.footer__col h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.footer__col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__col li {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-1);
}

.footer__guarantee {
    color: var(--color-accent) !important;
    font-weight: 600;
}

/* ==========================================================================
   Sticky CTA (Mobile)
   ========================================================================== */

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 900;
    padding: var(--space-3);
    background: linear-gradient(to top, rgba(13, 58, 92, 0.98), rgba(13, 58, 92, 0.9));
    backdrop-filter: blur(10px);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.sticky-cta.is-visible {
    transform: translateY(0);
}

.sticky-cta__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-4);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-base);
    animation: pulse 2s infinite;
}

.sticky-cta__btn:hover {
    background-color: var(--color-accent-dark);
    animation: none;
}

.sticky-cta__btn svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ==========================================================================
   Tablet Styles (min-width: 640px)
   ========================================================================== */

@media (min-width: 640px) {
    :root {
        --container-padding: 1.5rem;
    }

    .section-title {
        font-size: var(--text-3xl);
    }

    /* Hero */
    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__badges {
        gap: var(--space-6);
    }

    .hero__badge {
        min-width: 110px;
        padding: var(--space-4) var(--space-5);
    }

    .hero__badge strong {
        font-size: var(--text-3xl);
    }

    /* Trust bar */
    .trust-bar__items {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-6);
    }

    /* For who */
    .for-who__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* Gallery */
    .gallery__slide {
        flex: 0 0 320px;
    }

    .gallery__slide img {
        height: 220px;
    }

    /* Footer */
    .footer__links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
}

/* ==========================================================================
   Desktop Styles (min-width: 768px)
   ========================================================================== */

@media (min-width: 768px) {
    /* Header */
    .header {
        --header-height: 80px;
    }

    .logo-img {
        height: 50px;
    }

    .header__phone-mobile {
        display: none;
    }

    .nav {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        padding: 0;
        box-shadow: none;
        background: transparent;
        max-height: none;
        overflow: visible;
    }

    .nav-list {
        flex-direction: row;
        gap: var(--space-6);
    }

    .nav-link {
        font-size: var(--text-base);
        padding: 0;
        border: none;
    }

    .nav-link--cta {
        padding: var(--space-2) var(--space-4);
        margin: 0;
    }

    .nav-toggle {
        display: none;
    }

    /* Hero */
    .hero__title {
        font-size: var(--text-5xl);
    }

    .hero__title .text-accent {
        display: inline;
    }

    .hero__cta .btn {
        width: auto;
    }

    /* Process - horizontal */
    .process__steps {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-3);
        max-width: none;
    }

    .process__step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        flex: 1;
        max-width: 200px;
        gap: var(--space-3);
        position: relative;
    }

    .process__step:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 20px;
        right: -20px;
        width: 40px;
        height: 2px;
        background: rgba(255, 255, 255, 0.3);
    }

    /* Sticky CTA - hide on desktop */
    .sticky-cta {
        display: none;
    }
}

/* ==========================================================================
   Large Desktop Styles (min-width: 1024px)
   ========================================================================== */

@media (min-width: 1024px) {
    .section-title {
        font-size: var(--text-4xl);
    }

    /* Hero - larger text */
    .hero__overlay {
        background: linear-gradient(
            to right,
            rgba(13, 58, 92, 0.95) 0%,
            rgba(13, 58, 92, 0.8) 40%,
            rgba(13, 58, 92, 0.6) 100%
        );
    }

    .hero .container {
        max-width: 1100px;
    }

    .hero__content {
        text-align: left;
        max-width: 600px;
    }

    .hero__lead {
        margin-left: 0;
    }

    .hero__badges {
        justify-content: flex-start;
    }

    /* Nav spacing */
    .nav-list {
        gap: var(--space-8);
    }

    /* Gallery */
    .gallery__slide {
        flex: 0 0 350px;
    }

    .gallery__slide img {
        height: 250px;
    }

    /* Footer */
    .footer__main {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .footer__brand {
        text-align: left;
    }

    .footer__logo {
        margin: 0 0 var(--space-3) 0;
    }

    .footer__links {
        text-align: left;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .header,
    .nav-toggle,
    .sticky-cta,
    .hero__cta,
    .process__cta {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }

    .hero__bg {
        display: none;
    }

    .hero__content {
        color: var(--color-text);
    }

    .hero__title,
    .hero__lead {
        color: var(--color-text);
    }

    body {
        font-size: 12pt;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .animate-fade-up {
        opacity: 1;
        transform: none;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}