/* ==========================================================================
   HIDOX VPN LIGHT & AIRY LANDING STYLES (ANTIGRAVITY THEME)
   ========================================================================== */

/* 1. Core Variables & Setup */
:root {
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Light & Airy Palette */
    --color-bg-light: #f5f7fa;
    --color-bg-page: #ffffff;
    --color-bg-card: rgba(255, 255, 255, 0.7);
    --color-bg-card-hover: rgba(255, 255, 255, 0.9);
    --color-border: rgba(0, 0, 0, 0.05);
    --color-border-hover: rgba(255, 59, 48, 0.2);

    --color-text-primary: #1d1d1f;
    --color-text-secondary: #515154;
    --color-text-muted: #86868b;

    /* Branding Accent Colors */
    --color-accent-red: #ff3b30;
    /* Mascot Background Red */
    --color-accent-red-hover: #e03126;
    --color-accent-orange: #ff9f0a;
    /* Mascot Accent Orange */
    --color-accent-orange-hover: #f08f00;
    --color-green: #34c759;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-accent-red) 0%, var(--color-accent-orange) 100%);
    --gradient-card-border: linear-gradient(135deg, rgba(255, 59, 48, 0.2) 0%, rgba(255, 159, 10, 0.2) 100%);
    --gradient-soft-red: radial-gradient(circle, rgba(255, 59, 48, 0.06) 0%, rgba(255, 255, 255, 0) 70%);

    /* Box Shadows (Dynamic Depth) */
    --shadow-flat: 0 4px 12px rgba(0, 0, 0, 0.02);
    --shadow-floating: 0 20px 40px -15px rgba(0, 0, 0, 0.06);
    --shadow-floating-hover: 0 35px 60px -20px rgba(255, 59, 48, 0.12);
    --shadow-btn: 0 8px 24px rgba(255, 59, 48, 0.2);
    --shadow-btn-hover: 0 12px 32px rgba(255, 59, 48, 0.35);

    /* Layout Constants */
    --header-height: 80px;
    --border-radius-sm: 10px;
    --border-radius-md: 20px;
    --border-radius-lg: 28px;
    --border-radius-xl: 36px;

    --transition-spring: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: all 0.25s ease;
}

/* 2. Reset & Global Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg-light);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background-image: radial-gradient(#e2e7f0 1px, transparent 1px);
    background-size: 24px 24px;
}

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

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

ul {
    list-style: none;
}

button {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    transition: var(--transition-smooth);
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 5;
}

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

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

/* 3. Floating Background Decor Spheres (Antigravity Style) */
.decor-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.decor-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    mix-blend-mode: multiply;
}

.sphere-1 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(255, 59, 48, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
    top: -50px;
    right: -100px;
    animation: floatSphere1 25s infinite alternate ease-in-out;
}

.sphere-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 159, 10, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    bottom: -100px;
    left: -150px;
    animation: floatSphere2 30s infinite alternate ease-in-out;
}

.sphere-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(52, 199, 89, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    top: 40%;
    right: 25%;
    animation: floatSphere1 20s infinite alternate-reverse ease-in-out;
}

.sphere-4 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    top: 20%;
    left: 20%;
    animation: floatSphere2 18s infinite alternate-reverse ease-in-out;
}

@keyframes floatSphere1 {
    0% {
        transform: translateY(0) translateX(0) scale(1);
    }

    50% {
        transform: translateY(40px) translateX(-20px) scale(1.1);
    }

    100% {
        transform: translateY(-30px) translateX(30px) scale(0.95);
    }
}

@keyframes floatSphere2 {
    0% {
        transform: translateY(0) translateX(0) scale(1);
    }

    50% {
        transform: translateY(-50px) translateX(40px) scale(0.9);
    }

    100% {
        transform: translateY(30px) translateX(-30px) scale(1.15);
    }
}

/* 4. Typography Styles */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

/* 5. Buttons with Spring Mechanics */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-spring);
    gap: 8px;
    text-align: center;
    position: relative;
    z-index: 10;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--shadow-btn-hover);
}

.btn-primary:active {
    transform: translateY(0px) scale(0.99);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.7);
    color: var(--color-text-primary);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-flat);
}

.btn-secondary:hover {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.15);
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--shadow-floating);
}

.btn-secondary:active {
    transform: translateY(0px) scale(0.99);
}

.btn-disabled {
    background: rgba(0, 0, 0, 0.03);
    color: var(--color-text-muted);
    border: 1px solid rgba(0, 0, 0, 0.05);
    cursor: not-allowed;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.05rem;
    border-radius: var(--border-radius-md);
}

.btn-full {
    width: 100%;
}

.link-inline {
    color: var(--color-accent-red);
    border-bottom: 2px solid rgba(255, 59, 48, 0.15);
    font-weight: 600;
}

.link-inline:hover {
    color: var(--color-accent-orange);
    border-bottom-color: rgba(255, 159, 10, 0.3);
}

/* 6. Header / Navigation (Glassy & Slim) */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.scrolled {
    height: 70px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

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

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.logo-circle-glow {
    position: absolute;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--gradient-primary);
    filter: blur(8px);
    opacity: 0.3;
    z-index: 1;
}

.logo-img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    z-index: 2;
    border: 2px solid #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    z-index: 2;
}

.nav-list {
    display: flex;
    gap: 36px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 1001;
}

.menu-toggle .bar {
    height: 2px;
    width: 100%;
    background-color: var(--color-text-primary);
    border-radius: 10px;
    transition: var(--transition-smooth);
}

/* 7. Hero Section (Antigravity Entrance) */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.badge-trial {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 59, 48, 0.06);
    border: 1px solid rgba(255, 59, 48, 0.12);
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-flat);
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent-red);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    margin-bottom: 28px;
    color: var(--color-text-primary);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 44px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-features {
    display: flex;
    gap: 36px;
}

.h-feat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.h-feat-icon {
    font-size: 1.3rem;
}

.h-feat-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* Mascot Levitation Card Card */
.hero-image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-mascot-container {
    position: relative;
    width: 320px;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-ring {
    position: absolute;
    border: 1px dashed rgba(255, 59, 48, 0.15);
    border-radius: 50%;
    pointer-events: none;
}

.ring-1 {
    width: 380px;
    height: 380px;
    transform: rotateX(70deg) rotateY(15deg);
    animation: rotateRing1 20s infinite linear;
}

.ring-2 {
    width: 440px;
    height: 440px;
    transform: rotateX(65deg) rotateY(-20deg);
    animation: rotateRing2 25s infinite linear;
}

@keyframes rotateRing1 {
    0% {
        transform: rotateX(70deg) rotateY(15deg) rotateZ(0deg);
    }

    100% {
        transform: rotateX(70deg) rotateY(15deg) rotateZ(360deg);
    }
}

@keyframes rotateRing2 {
    0% {
        transform: rotateX(65deg) rotateY(-20deg) rotateZ(360deg);
    }

    100% {
        transform: rotateX(65deg) rotateY(-20deg) rotateZ(0deg);
    }
}

.mascot-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-floating);
    z-index: 5;
    animation: floatMascot 6s infinite ease-in-out;
    transform-style: preserve-3d;
    transition: box-shadow 0.3s ease;
}

.mascot-card:hover {
    box-shadow: var(--shadow-floating-hover);
}

.mascot-img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    margin-bottom: 24px;
    border: 4px solid #ffffff;
    box-shadow: 0 10px 25px rgba(255, 59, 48, 0.15);
    transform: translateZ(30px);
    /* 3D layer for Tilt */
}

.mascot-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(52, 199, 89, 0.06);
    border: 1px solid rgba(52, 199, 89, 0.15);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-green);
    transform: translateZ(20px);
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-green);
    box-shadow: 0 0 8px var(--color-green);
    animation: pulseGlow 1.5s infinite alternate;
}

@keyframes pulseGlow {
    0% {
        transform: scale(0.9);
        opacity: 0.6;
    }

    100% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.mascot-stats {
    display: flex;
    width: 100%;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    transform: translateZ(25px);
}

.stat-unit {
    text-align: center;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.stat-divider {
    width: 1px;
    height: 30px;
    background-color: var(--color-border);
}

@keyframes floatMascot {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(2deg);
    }

    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

/* 8. Features Section (Levitating Glass Cards) */
.features {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px auto;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    padding: 36px 32px;
    box-shadow: var(--shadow-floating);
    transition: var(--transition-spring);
    transform-style: preserve-3d;
}

.feature-card:hover {
    background: var(--color-bg-card-hover);
    border-color: rgba(255, 59, 48, 0.2);
    box-shadow: var(--shadow-floating-hover);
    transform: translateY(-4px);
}

.feat-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(255, 59, 48, 0.05);
    color: var(--color-accent-red);
    margin-bottom: 24px;
    border: 1px solid rgba(255, 59, 48, 0.1);
    transition: var(--transition-spring);
    transform: translateZ(20px);
}

.feature-card:hover .feat-icon-box {
    background: var(--gradient-primary);
    color: #ffffff;
    transform: translateZ(20px) scale(1.05);
    box-shadow: 0 6px 16px rgba(255, 59, 48, 0.2);
}

.feat-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    transform: translateZ(25px);
}

.feat-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transform: translateZ(15px);
}

/* 9. Gift & Earn Section (Promotional Grid) */
.gift-earn {
    padding: 80px 0;
}

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

.promo-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    padding: 56px 48px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-floating);
    transition: var(--transition-spring);
    transform-style: preserve-3d;
}

.promo-card:hover {
    border-color: rgba(255, 59, 48, 0.15);
    box-shadow: var(--shadow-floating-hover);
    transform: translateY(-3px);
}

.promo-icon-bg {
    position: absolute;
    right: 24px;
    bottom: -20px;
    font-size: 10rem;
    opacity: 0.08;
    user-select: none;
    z-index: 1;
    transition: var(--transition-spring);
}

.promo-card:hover .promo-icon-bg {
    transform: scale(1.07) rotate(-5deg) translateZ(20px);
    opacity: 0.12;
}

.promo-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
    transform: translateZ(15px);
}

.gift-card .promo-tag {
    background: rgba(255, 59, 48, 0.08);
    color: var(--color-accent-red);
}

.earn-card .promo-tag {
    background: rgba(255, 159, 10, 0.08);
    color: var(--color-accent-orange);
}

.promo-title {
    font-size: 1.8rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
    transform: translateZ(25px);
}

.promo-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
    transform: translateZ(15px);
}

/* 10. Pricing Section (Springy Period Selector + 3D Tilt Cards) */
.pricing {
    padding: 120px 0;
}

.selector-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 56px;
}

.selector-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.period-tabs {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 6px;
    border-radius: var(--border-radius-md);
    display: flex;
    gap: 4px;
}

.tab-btn {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-spring);
}

.tab-btn.active {
    background: #ffffff;
    color: var(--color-accent-red);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}

.tab-badge {
    font-size: 0.65rem;
    font-weight: 800;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-text-secondary);
}

.tab-btn.active .tab-badge {
    background: rgba(255, 59, 48, 0.08);
    color: var(--color-accent-red);
}

.tab-btn.active .tab-badge.hot {
    background: var(--gradient-primary);
    color: #ffffff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 450px));
    gap: 32px;
    justify-content: center;
    margin-bottom: 64px;
}

.pricing-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    padding: 56px 48px;
    position: relative;
    box-shadow: var(--shadow-floating);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-spring);
    transform-style: preserve-3d;
}

.pricing-card:hover {
    box-shadow: var(--shadow-floating-hover);
    transform: translateY(-4px);
}

.start-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    border-color: rgba(255, 59, 48, 0.15);
}

.start-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.card-badge {
    position: absolute;
    top: 28px;
    right: 28px;
    font-size: 0.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    color: #ffffff;
    padding: 4px 14px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: translateZ(15px);
    white-space: nowrap;
}

.pricing-card .tariff-name {
    font-size: 1.6rem;
    margin-bottom: 4px;
    transform: translateZ(20px);
}

.tariff-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    transform: translateZ(15px);
}

.price-container {
    display: flex;
    align-items: baseline;
    margin-bottom: 8px;
    transform: translateZ(25px);
}

.price-symbol {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-right: 4px;
}

.price-number {
    font-family: var(--font-display);
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1;
    color: var(--color-text-primary);
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-left: 8px;
}

.price-equivalent {
    font-size: 0.95rem;
    color: var(--color-accent-red);
    font-weight: 700;
    margin-bottom: 36px;
    transform: translateZ(20px);
}

.pricing-card .features-list {
    margin-bottom: 44px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transform: translateZ(15px);
}

.pricing-card .features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.icon-check {
    color: var(--color-accent-red);
    font-weight: 900;
    font-size: 1.1rem;
}

.soon-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.price-container-soon {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-muted);
    min-height: 64px;
    display: flex;
    align-items: center;
}

.icon-check-soon {
    color: var(--color-text-muted);
}

/* Levitating Interactive Calculator Box */
.calc-section {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    max-width: 930px;
    margin: 0 auto;
    box-shadow: var(--shadow-floating);
    transition: var(--transition-spring);
    transform-style: preserve-3d;
}

.calc-section:hover {
    box-shadow: var(--shadow-floating-hover);
}

.calc-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
    transform: translateZ(25px);
}

.calc-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
    transform: translateZ(20px);
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 36px;
    transform: translateZ(15px);
}

.calc-control {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.control-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stepper {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 6px;
    justify-content: space-between;
    width: 210px;
}

.step-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--border-radius-sm);
    background: #ffffff;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    box-shadow: var(--shadow-flat);
}

.step-btn:hover {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-btn);
}

.step-val {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-text-primary);
    width: 90px;
    text-align: center;
}

.control-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.calc-output {
    border-top: 1px solid var(--color-border);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateZ(25px);
}

.output-spec {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.output-spec strong {
    color: var(--color-text-primary);
}

.output-price {
    font-size: 1.15rem;
    font-weight: 700;
}

.output-price .price-val {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-accent-red);
}

.price-line {
    white-space: nowrap;
}

/* 11. How It Works Section */
.how-to-start {
    padding: 120px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.step-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    padding: 48px 40px;
    box-shadow: var(--shadow-floating);
    transition: var(--transition-spring);
    transform-style: preserve-3d;
}

.step-card:hover {
    border-color: rgba(255, 59, 48, 0.15);
    box-shadow: var(--shadow-floating-hover);
    transform: translateY(-8px);
}

.step-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 24px;
    transition: var(--transition-spring);
}

.step-card:hover .step-number {
    opacity: 0.4;
    transform: translateZ(30px) scale(1.1);
}

.step-card-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
    transform: translateZ(20px);
}

.step-card-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transform: translateZ(10px);
}

/* 12. FAQ Section (Accordion) */
.faq {
    padding: 120px 0;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-floating);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(0, 0, 0, 0.1);
}

.faq-question-btn {
    width: 100%;
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.faq-icon-arrow {
    position: relative;
    width: 16px;
    height: 16px;
    transition: var(--transition-spring);
}

.faq-icon-arrow::before,
.faq-icon-arrow::after {
    content: '';
    position: absolute;
    background-color: var(--color-text-secondary);
    transition: var(--transition-spring);
}

.faq-icon-arrow::before {
    top: 7px;
    left: 0;
    width: 16px;
    height: 2px;
}

.faq-icon-arrow::after {
    top: 0;
    left: 7px;
    width: 2px;
    height: 16px;
}

.faq-item.active .faq-question-btn {
    color: var(--color-accent-red);
}

.faq-item.active .faq-icon-arrow {
    transform: rotate(45deg);
}

.faq-item.active .faq-icon-arrow::before,
.faq-item.active .faq-icon-arrow::after {
    background-color: var(--color-accent-red);
}

.faq-answer-block {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.faq-answer-block p {
    padding: 0 32px 28px 32px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.faq-item.active .faq-answer-block {
    max-height: 1000px;
    transition: max-height 0.4s cubic-bezier(1, 0, 1, 0);
}

/* 13. Final CTA (Levitating Cloud Box) */
.final-cta {
    padding: 60px 0 120px 0;
}

.cta-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 100%);
    border: 1px solid rgba(255, 59, 48, 0.15);
    border-radius: var(--border-radius-lg);
    padding: 72px 48px;
    text-align: center;
    box-shadow: var(--shadow-floating);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 59, 48, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
}

.cta-title {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.cta-desc {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 40px auto;
    position: relative;
    z-index: 2;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    position: relative;
    z-index: 2;
}

/* 14. Footer Section */
.footer {
    background-color: #ffffff;
    border-top: 1px solid var(--color-border);
    padding: 80px 0 32px 0;
    position: relative;
    z-index: 5;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-info {
    max-width: 420px;
}

.footer-moto {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-top: 20px;
}

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

.footer-col-title {
    font-size: 1.05rem;
    margin-bottom: 24px;
    font-family: var(--font-primary);
    font-weight: 700;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

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

.disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    max-width: 600px;
    text-align: right;
}

/* 15. Animations (Scroll-linked) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.15), transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.15);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 16. Responsive Media Queries */

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 64px;
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

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

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

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

    .promo-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .calc-section {
        padding: 32px;
    }

    .calc-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stepper {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    /* Hamburger Menu (from 992px) */
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: #ffffff;
        z-index: 999;
        transition: var(--transition-spring);
        padding: 40px 24px;
        border-top: 1px solid var(--color-border);
    }

    .nav.open {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }

    .nav-link {
        font-size: 1.25rem;
    }

    /* Hamburger Animation */
    .menu-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .promo-card {
        padding: 40px 32px;
    }

    .calc-output {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .period-tabs {
        flex-direction: column;
        width: 100%;
    }

    .tab-btn {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .disclaimer {
        text-align: center;
    }
}

@media (max-width: 640px) {
    /* Хедер: уменьшаем логотип, скрываем кнопку «Личный кабинет» */
    .logo-text {
        font-size: 1.15rem;
    }

    .logo-img {
        width: 34px;
        height: 34px;
    }

    .logo-circle-glow {
        width: 34px;
        height: 34px;
    }

    .header-actions .btn-secondary {
        display: none;
    }

    /* Кнопки — однострочные */
    .btn-large {
        font-size: 1.05rem;
        padding: 14px 20px;
        white-space: nowrap;
    }

    .btn {
        white-space: nowrap;
    }

    /* Карточки тарифов */
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        padding: 48px 24px 36px;
    }

    .card-badge {
        top: 16px;
        right: 16px;
        font-size: 0.65rem;
        padding: 3px 10px;
    }

    .pricing-card .tariff-name {
        font-size: 1.3rem;
        padding-right: 100px;
    }

    .price-number {
        font-size: 3.2rem;
    }

    .price-equivalent {
        font-size: 0.85rem;
        word-break: break-word;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .cta-actions .btn,
    .hero-actions .btn-large {
        width: 100%;
        max-width: 360px;
    }

    .output-price .price-line {
        display: block;
        margin-top: 4px;
    }

    #calc-summary {
        display: block;
        margin-top: 4px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.3rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .period-tabs {
        width: 100%;
    }

    .tab-btn {
        justify-content: center;
    }

    .pricing-card {
        padding: 40px 24px;
    }

    .price-number {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}
/* Language Dropdown Switcher */
.lang-switcher {
    position: relative;
    margin-right: 1.5rem;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(8px);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.lang-toggle:hover {
    background: #ffffff;
    box-shadow: var(--shadow-flat);
}

.lang-arrow {
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.lang-switcher.open .lang-arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-floating);
    padding: 8px 0;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 100;
}

.lang-switcher.open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: left;
}

.lang-btn:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--color-text-primary);
}

.lang-btn.active {
    background: rgba(255, 59, 48, 0.05);
    color: var(--color-accent-red);
}

.lang-flag-img {
    width: 20px;
    height: 14px;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    object-fit: cover;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .lang-switcher {
        margin-right: 1rem;
    }
}