:root {
    --primary-bg: #FFFFFF;
    --primary-text: #1F2937;
    --secondary-bg: #F3F4F6;
    --secondary-text: #4B5563;
    --accent-color: #FF007F;
    --accent-gradient: linear-gradient(90deg, #FF007F 0%, #D400FF 100%);
    --dark-bg: #111827;
    --dark-text: #F9FAF8;
    --font-main: 'Inter', sans-serif;
    --radius: 1rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--primary-text);
    background-color: var(--primary-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

a,
a:hover,
a:focus {
    text-decoration: none;
    transition: all 0.3s ease;
    color: inherit;
}

button {
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

ul,
ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
}

p {
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    h3 {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
    }

    body {
        font-size: 15px;
    }

    .js-break-word {
        word-break: break-all;
        overflow-wrap: break-word;
    }
}

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

.accent-bg {
    background: var(--accent-gradient);
}

.rounded-custom {
    border-radius: var(--radius);
}

/* ===== header_section ===== */
header {
    font-family: var(--font-main);
}

.js-mobile-menu {
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== hero_section ===== */
#hero {
    font-family: var(--font-main);
    width: 100%
}

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

.hero-btn-gradient {
    background: var(--accent-gradient);
    border: none
}

.hero-wave-path {
    fill: var(--secondary-bg)
}

/* ===== about_section ===== */
#about .vertical-text {
    writing-mode: vertical-lr;
}

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

/* ===== problem_section ===== */
#problem {
    font-family: var(--font-main);
}

.shadow-2xl {
    shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* ===== steps_section ===== */
.js-step-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

#how-it-works {
    width: 100%;
}

/* ===== analysis_section ===== */
.analysis-section {
    width: 100%;
    font-family: var(--font-main);
}

.feature-icon-box {
    background: var(--accent-gradient);
}

.dashboard-shadow {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* ===== notifications_section ===== */
.js-notif-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ===== ai_assistant ===== */
#ai-assistant {
    font-family: var(--font-main);
}

.js-ai-card {
    transition: transform 0.3s ease;
}

.js-ai-card:hover {
    transform: translateY(-5px);
}

/* ===== goals_section ===== */
.js-result {
    transition: all 0.3s ease;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
}

/* ===== forecast_section ===== */
#forecast {
    width: 100%;
    scroll-margin-top: 2rem;
    font-family: var(--font-main);
}

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

/* ===== security_section ===== */
#security {
    font-family: var(--font-main);
}

.bg-pink-50 {
    background-color: rgba(255, 0, 127, 0.05);
}

/* ===== audience_section ===== */
#audience {
    font-family: var(--font-main);
}

.transition-transform {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== reviews_section ===== */
#reviews {
    width: 100%;
}

.js-review-card {
    transition: all 0.4s ease;
}

.js-review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

/* ===== pricing_section ===== */
#pricing {
    width: 100%;
    background-color: var(--secondary-bg);
    font-family: var(--font-main);
}

.pricing-card {
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
}

.js-tariff-btn {
    transition: all 0.3s ease;
}

.js-tariff-btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* ===== faq_section ===== */
#faq {
    width: 100%;
    background-color: var(--primary-bg);
    font-family: var(--font-main);
}

.faq-container {
    width: 100%;
    max-width: 896px;
    margin: 0 auto;
}

.js-faq-item {
    width: 100%;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

/* ===== final_cta_section ===== */
#start {
    width: 100%;
    font-family: var(--font-main);
}

.js-cta-btn {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, filter 0.3s ease;
}

/* ===== contacts_section ===== */
#contact .js-logo-strip {
    width: 100%;
}

#contact .js-contact-form input::placeholder,
#contact .js-contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

#contact .js-contact-form input:focus,
#contact .js-contact-form textarea:focus {
    background-color: rgba(255, 255, 255, 0.15);
}

/* ===== footer ===== */
#footer {
    width: 100%;
}

#footer a {
    transition: all 0.3s ease;
}