/* ===== OQUPA LANDING PAGE STYLES ===== */
/* Complete responsive design with mobile fixes */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    font-size: 17px;
    line-height: 1.47;
    color: #000000;
    background-color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Brand Colors */
    --color-primary: #007AFF;
    --color-secondary: #5AC8FA;
    --color-accent: #FF9500;
    
    /* Background Colors */
    --color-background: #FFFFFF;
    --color-background-secondary: #F2F2F7;
    --color-surface: #FFFFFF;
    
    /* Text Colors */
    --color-text-primary: #000000;
    --color-text-secondary: #8E8E93;
    --color-text-tertiary: #C7C7CC;
    --color-text-placeholder: #8E8E93;
    
    /* Semantic Colors */
    --color-success: #30D158;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    
    /* Border Colors */
    --color-border: #E5E5EA;
    --color-separator: #C6C6C8;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 20px;
    --section-padding: 80px 0;
    --border-radius: 12px;
    --border-radius-large: 20px;
    
    /* Typography Scale */
    --font-size-large-title: 34px;
    --font-size-title1: 28px;
    --font-size-title2: 22px;
    --font-size-title3: 20px;
    --font-size-headline: 17px;
    --font-size-body: 17px;
    --font-size-callout: 16px;
    --font-size-subheadline: 15px;
    --font-size-footnote: 13px;
    --font-size-caption: 12px;
    
    /* Shadows */
    --shadow-light: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 24px rgba(0, 0, 0, 0.12);
    --shadow-large: 0 12px 48px rgba(0, 0, 0, 0.15);
    
    /* Animations */
    --transition-fast: 0.2s ease-out;
    --transition-medium: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-headline);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-medium);
    min-height: 48px;
    white-space: nowrap;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

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

.btn--primary:hover {
    background-color: #0051D5;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.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-background);
    transform: translateY(-2px);
}

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

.btn--accent:hover {
    background-color: #E6851A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-medium);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo-img {
    height: 180px;
    width: auto;
    transition: transform var(--transition-medium);
}

.nav__logo-img:hover {
    transform: scale(1.05);
}

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

.nav__list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav__link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-medium);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #F8FAFF 0%, #F0F7FF 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__content {
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-size: clamp(28px, 5vw, var(--font-size-large-title));
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: var(--font-size-callout);
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.5;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero__btn {
    min-width: 200px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #FFB84D 100%);
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    animation: pulse 2s ease-in-out infinite;
}

.hero__badge-text {
    color: var(--color-background);
    font-size: var(--font-size-footnote);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero__visual {
    position: relative;
    height: 600px;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.hero__image-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-large);
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__map-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 60%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    opacity: 0.1;
    clip-path: polygon(100% 0%, 100% 100%, 0% 100%);
}

.hero__mockups {
    position: absolute;
    top: -10px;
    right: -40px;
}

.hero__mockup {
    position: absolute;
    border-radius: 12px;
    box-shadow: var(--shadow-large);
    transition: transform var(--transition-slow);
}

.hero__mockup--mobile {
    width: 180px;
    height: auto;
    top: 0;
    right: 0;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.hero__mockup--tablet {
    width: 180px;
    height: auto;
    top: -60px;
    right: 150px;
    z-index: 2;
    animation: float 6s ease-in-out infinite 2s;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
    z-index: 10;
}

.hero__scroll-icon {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 12px;
    position: relative;
}

.hero__scroll-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--color-text-secondary);
    border-radius: 2px;
    animation: scroll-indicator 2s ease-in-out infinite;
}

/* ===== TRUST STRIP SECTION ===== */
.trust-strip {
    padding: 60px 0;
    background-color: var(--color-background);
}

.trust-strip__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.trust-strip__item {
    text-align: center;
    padding: 20px;
    transition: transform var(--transition-medium);
}

.trust-strip__item:hover {
    transform: translateY(-4px);
}

.trust-strip__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-color: var(--color-background-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-strip__svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

.trust-strip__title {
    font-size: var(--font-size-headline);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.trust-strip__text {
    font-size: var(--font-size-subheadline);
    color: var(--color-text-secondary);
}

/* ===== SOLUTION SECTION ===== */
.solution {
    padding: var(--section-padding);
    background-color: var(--color-background-secondary);
}

.solution__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution__title {
    font-size: var(--font-size-title1);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 40px;
    line-height: 1.2;
}

.solution__benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.solution__benefit {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: var(--font-size-callout);
    color: var(--color-text-primary);
    line-height: 1.4;
}

.solution__benefit-icon {
    width: 24px;
    height: 24px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.solution__benefit-icon svg {
    width: 12px;
    height: 12px;
    fill: var(--color-background);
}

.solution__comparison {
    position: relative;
    height: 400px;
    border-radius: var(--border-radius-large);
    overflow: hidden;
}

.solution__before,
.solution__after {
    position: absolute;
    top: 0;
    bottom: 0;
    overflow: hidden;
}

.solution__before {
    left: 0;
    width: 45%;
    background-color: #F5F5F5;
    border-radius: var(--border-radius-large) 0 0 var(--border-radius-large);
}

.solution__after {
    right: 0;
    width: 55%;
    background-color: var(--color-background);
    border-radius: 0 var(--border-radius-large) var(--border-radius-large) 0;
    box-shadow: var(--shadow-medium);
}

.solution__before-img,
.solution__after-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution__before-overlay,
.solution__after-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.8);
    color: var(--color-background);
    padding: 12px 16px;
    border-radius: 8px;
    text-align: center;
    font-size: var(--font-size-footnote);
    font-weight: 500;
}

.solution__after-overlay {
    background-color: var(--color-primary);
}

/* ===== SHOWCASE SECTION ===== */
.showcase {
    padding: var(--section-padding);
    background-color: var(--color-background);
}

.showcase__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase__visual {
    position: relative;
    height: 500px;
}

.showcase__devices {
    position: relative;
    height: 100%;
}

.showcase__device {
    position: absolute;
    border-radius: 12px;
    box-shadow: var(--shadow-large);
}

.showcase__device--laptop {
    width: 100%;
    height: auto;
    top: 0;
    left: 0;
    z-index: 2;
}

.showcase__device--phone {
    width: 350px;
    height: auto;
    bottom: 20px;
    right: -40px;
    z-index: 3;
    animation: float 4s ease-in-out infinite;
}

.showcase__lifestyle {
    position: absolute;
    bottom: -40px;
    left: -60px;
    width: 300px;
    height: 200px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    z-index: 1;
}

.showcase__lifestyle-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase__title {
    font-size: var(--font-size-title1);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.showcase__description {
    font-size: var(--font-size-callout);
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.5;
}

.showcase__features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.showcase__feature-title {
    font-size: var(--font-size-headline);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.showcase__feature-text {
    font-size: var(--font-size-subheadline);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--color-background-secondary) 0%, #E8F4FD 100%);
}

.pricing__title {
    font-size: var(--font-size-title1);
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

.pricing__subtitle {
    font-size: var(--font-size-callout);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.pricing__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.pricing__feature {
    text-align: center;
    padding: 24px;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
}

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

.pricing__feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.pricing__feature-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-background);
}

.pricing__feature-title {
    font-size: var(--font-size-headline);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.pricing__feature-text {
    font-size: var(--font-size-subheadline);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.pricing__cta {
    text-align: center;
    background-color: var(--color-background);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    max-width: 400px;
    margin: 0 auto;
}

.pricing__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 24px;
}

.pricing__price-currency {
    font-size: var(--font-size-headline);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.pricing__price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.pricing__price-period {
    font-size: var(--font-size-subheadline);
    color: var(--color-text-secondary);
}

/* ===== SOCIAL PROOF SECTION ===== */
.social-proof {
    padding: var(--section-padding);
    background-color: var(--color-background);
    background-image: radial-gradient(circle at 20% 80%, rgba(0, 122, 255, 0.03) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(255, 149, 0, 0.03) 0%, transparent 50%);
}

.social-proof__title {
    font-size: var(--font-size-title1);
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.2;
}

.social-proof__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.social-proof__item {
    background-color: var(--color-background);
    padding: 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: all var(--transition-medium);
    border: 1px solid var(--color-border);
}

.social-proof__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--color-primary);
}

.social-proof__icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-background-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.social-proof__icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

.social-proof__item-title {
    font-size: var(--font-size-headline);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.social-proof__item-text {
    font-size: var(--font-size-subheadline);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ===== JOIN SECTION ===== */
.join {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-background);
    position: relative;
    overflow: hidden;
}

.join::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.join__title {
    font-size: var(--font-size-title1);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

.join__subtitle {
    font-size: var(--font-size-callout);
    text-align: center;
    margin-bottom: 60px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.join__form-container {
    max-width: 500px;
    margin: 0 auto;
}

.join__form-fields {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.join__input,
.join__select {
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-background);
    font-size: var(--font-size-callout);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-medium);
}

.join__input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.join__input:focus,
.join__select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.join__select option {
    background-color: var(--color-text-primary);
    color: var(--color-background);
}

.join__btn {
    width: 100%;
    background-color: var(--color-accent);
    border: none;
    margin-bottom: 16px;
    font-size: var(--font-size-headline);
    font-weight: 600;
    padding: 16px;
    min-height: 56px;
}

.join__btn:hover {
    background-color: #E6851A;
}

.join__disclaimer {
    font-size: var(--font-size-footnote);
    text-align: center;
    opacity: 0.8;
    line-height: 1.4;
}

/* ===== FOOTER ===== */
.footer {
    background-color: #1C1C1E;
    color: var(--color-background);
    padding: 60px 0 20px;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer__brand {
    max-width: 70px;
}

.footer__logo {
    height: 320px;
    width: auto;
    margin-bottom: 20px;
}

.footer__tagline {
    font-size: var(--font-size-subheadline);
    opacity: 0.8;
    line-height: 1.5;
}

.footer__links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer__section-title {
    font-size: var(--font-size-headline);
    font-weight: 600;
    margin-bottom: 16px;
}

.footer__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-subheadline);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-background);
}

.footer__social {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
}

.footer__trust-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__badge {
    font-size: var(--font-size-footnote);
    padding: 6px 12px;
    background-color: rgba(0, 122, 255, 0.2);
    border-radius: 6px;
    text-align: center;
}

.footer__social-links {
    display: flex;
    gap: 16px;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
}

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

.footer__social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--color-background);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer__copyright {
    font-size: var(--font-size-footnote);
    opacity: 0.6;
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal__container {
    position: relative;
    max-width: 600px;
    max-height: 80vh;
    background-color: var(--color-background);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
    margin: 20px;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-medium);
}

.modal.active .modal__container {
    transform: scale(1);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: var(--font-size-title3);
    font-weight: 600;
    color: var(--color-text-primary);
}

.modal__close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.modal__close:hover {
    background-color: var(--color-background-secondary);
}

.modal__close svg {
    width: 18px;
    height: 18px;
    fill: var(--color-text-secondary);
}

.modal__content {
    padding: 0;
}

.modal__iframe {
    width: 100%;
    border: none;
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate(-50%, 0);
    }
    40%, 43% {
        transform: translate(-50%, -10px);
    }
    70% {
        transform: translate(-50%, -5px);
    }
}

@keyframes scroll-indicator {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) translateY(8px);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(8px);
    }
}

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

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Animation utility classes for JavaScript */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

.animate-fade-left {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease-out;
}

.animate-fade-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.animate-fade-right {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease-out;
}

.animate-fade-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet Styles */
@media (max-width: 1024px) {
    :root {
        --container-padding: 20px;
        --section-padding: 60px 0;
    }

    .hero__container,
    .solution__content,
    .showcase__content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero__visual {
        order: -1;
        height: 400px;
    }

    .solution__text {
        order: 1;
    }

    .footer__content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer__brand {
        grid-column: 1 / -1;
        text-align: center;
        max-width: none;
    }
}

/* ===== MOBILE STYLES ===== */
@media (max-width: 768px) {
    :root {
        --container-padding: 16px;
        --section-padding: 40px 0;
        --font-size-large-title: 28px;
        --font-size-title1: 24px;
        --font-size-title2: 20px;
    }

    /* MOBILE NAVIGATION */
    .header {
        height: auto;
        min-height: 60px;
    }
    
    .nav {
        height: 60px;
        padding: 0 16px;
    }
    
    .nav__logo-img {
        height: 100px;
        width: auto;
    }
    
    /* Mobile menu toggle */
    .nav__toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        gap: 3px;
        cursor: pointer;
        z-index: 1001;
        background: none;
        border: none;
        padding: 8px;
        border-radius: 4px;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        transition: transform 0.1s ease-out;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }

    .nav__toggle:active {
        transform: scale(0.95);
    }
    
    .nav__toggle span {
        width: 20px;
        height: 2px;
        background-color: var(--color-text-primary);
        border-radius: 1px;
        transition: all var(--transition-medium);
        transform-origin: center;
    }
    
    /* Hamburger animation */
    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }
    
    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Mobile menu */
    .nav__menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--color-border);
        padding: 20px 16px;
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
        z-index: 999;
    }
    
    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .nav__link {
        padding: 12px 16px;
        display: block;
        border-radius: 8px;
        text-decoration: none;
        color: var(--color-text-primary);
        font-weight: 500;
        text-align: center;
        transition: background-color var(--transition-fast);
        min-height: 44px;
        line-height: 1.4;
        -webkit-tap-highlight-color: rgba(0, 122, 255, 0.1);
    }
    
    .nav__link:hover,
    .nav__link:focus {
        background-color: var(--color-background-secondary);
    }

    /* MOBILE HERO SECTION */
    .hero {
        min-height: 100vh;
        padding-top: 60px;
        position: relative;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
        padding-bottom: 80px;
    }
    
    .hero__content {
        order: 2;
    }
    
    .hero__visual {
        order: 1;
        height: 300px;
        margin-bottom: 20px;
    }
    
    .hero__buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .hero__btn {
        width: 100%;
        max-width: 280px;
        min-width: auto;
    }
    
    .hero__badge {
        position: static;
        display: inline-flex;
        margin: 16px 0;
    }
    
    .hero__scroll {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 10;
    }
    
    .hero__scroll-icon {
        width: 28px;
        height: 42px;
        border: 2px solid var(--color-primary);
        border-radius: 14px;
    }
    
    .hero__scroll-icon::after {
        width: 6px;
        height: 10px;
        background-color: var(--color-primary);
        border-radius: 3px;
    }

    .hero__mockups {
        display: none;
    }

    /* MOBILE SHOWCASE SECTION */
    .showcase__content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .showcase__visual {
        position: static;
        height: auto;
        order: 1;
    }
    
    .showcase__text {
        order: 2;
    }
    
    .showcase__devices {
        position: static;
        height: auto;
        margin-bottom: 20px;
    }
    
    .showcase__device {
        position: static;
        display: block;
        margin: 0 auto 20px auto;
        max-width: 300px;
        width: 100%;
        border-radius: 12px;
        box-shadow: var(--shadow-medium);
    }
    
    .showcase__device--laptop {
        margin-bottom: 20px;
    }
    
    .showcase__device--phone {
        max-width: 200px;
    }
    
    .showcase__lifestyle {
        position: static;
        width: 100%;
        max-width: 280px;
        height: 180px;
        margin: 20px auto 0 auto;
        border-radius: var(--border-radius);
        overflow: hidden;
        box-shadow: var(--shadow-light);
    }

    /* MOBILE GENERAL FIXES */
    .trust-strip__grid,
    .pricing__features,
    .social-proof__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .trust-strip,
    .solution,
    .showcase,
    .pricing,
    .social-proof,
    .join {
        padding: 40px 0;
    }
    
    .join__form-fields {
        gap: 12px;
    }

    /* Prevent horizontal scroll */
    body, html {
        overflow-x: hidden;
    }
    
    /* Ensure images don't break layout */
    img {
        max-width: 100%;
        height: auto;
    }

    /* MOBILE FORMS */
    .join__input,
    .join__select {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 16px 20px;
        border-radius: 8px;
    }

    /* MOBILE FOOTER */
    .footer__content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer__links {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer__social {
        align-items: center;
    }

    /* MOBILE MODAL */
    .modal__container {
        margin: 10px;
        max-height: 90vh;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --container-padding: 12px;
    }

    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero__btn {
        width: 100%;
        max-width: 280px;
    }

    .join__input,
    .join__select,
    .join__btn {
        padding: 14px 16px;
    }
}

/* Accessibility and Performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --color-text-secondary: #666666;
        --color-border: #999999;
    }
}

/* Print styles */
@media print {
    .header,
    .hero__scroll,
    .modal,
    .loading-overlay {
        display: none !important;
    }

    .hero {
        min-height: auto;
        page-break-after: always;
    }

    * {
        box-shadow: none !important;
    }
}