/* ==================== VARIABLES ==================== */
:root {
    --bg: #EBE8E6;
    --fg: #1D1F25;
    --accent: #C26148;
    --accent-secondary: #AC5039;
    --bg-dark: #1E1E1E;
    --bg-light: rgba(255, 255, 255, 0.6);
    --fg-alt: #FDFDFD;
    --font-body: "Readex Pro", sans-serif;
    --content-width: 740px;
    --wide-width: 1100px;
    --spacing-20: clamp(0.4rem, 2vw, 0.5rem);
    --spacing-30: clamp(0.6rem, 2.5vw, 1rem);
    --spacing-40: clamp(1rem, 3vw, 1.5rem);
    --spacing-50: clamp(1.5rem, 4vw, 2rem);
    --spacing-60: clamp(2rem, 5vw, 3rem);
    --spacing-70: clamp(3rem, 6vw, 4rem);
    --spacing-80: clamp(3rem, 7vw, 5rem);
}

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

body {
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--fg);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ==================== LAYOUT ==================== */
.container {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: 0 var(--spacing-40);
}

.container--narrow {
    max-width: var(--content-width);
}

/* ==================== HEADER ==================== */
.header {
    padding: var(--spacing-40) 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.header__logo {
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ==================== HERO ==================== */
.hero {
    background-color: var(--bg-light);
    padding: var(--spacing-80) 0 var(--spacing-70);
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 56px);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-40);
}

.hero__desc {
    font-size: clamp(18px, 2.5vw, 24px);
    max-width: 640px;
    margin: 0 auto var(--spacing-50);
    opacity: 0.8;
    line-height: 1.6;
}

.hero__illustration {
    max-width: 580px;
    margin: var(--spacing-60) auto 0;
    padding: 0 1rem;
}

/* ==================== BUTTON ==================== */
.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--fg-alt);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    padding: var(--spacing-30) var(--spacing-50);
    border-radius: 3px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

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

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

.btn--outline {
    background: transparent;
    border-color: var(--fg-alt);
    color: var(--fg-alt);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ==================== FEATURES ==================== */
.features {
    padding: var(--spacing-80) 0;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-50);
}

.feature-card {
    text-align: left;
}

.feature-card__icon {
    margin-bottom: var(--spacing-40);
}

.feature-card__icon img {
    width: 100%;
    max-width: 240px;
    border-radius: 6px;
}

.feature-card h3 {
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: clamp(15px, 1.8vw, 18px);
    opacity: 0.75;
    line-height: 1.7;
}

/* ==================== CTA ==================== */
.cta {
    background-color: var(--accent);
    color: var(--fg-alt);
    padding: var(--spacing-80) 0;
    text-align: center;
}

.cta h2 {
    font-size: clamp(1.5rem, 3.5vw, 32px);
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: var(--spacing-50);
    color: var(--fg-alt);
}

/* ==================== FOOTER ==================== */
.footer {
    padding: var(--spacing-50) 0;
    border-top: 1px solid rgba(29, 31, 37, 0.1);
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__copy {
    font-size: 14px;
    opacity: 0.7;
}

.footer__nav a {
    font-size: 14px;
    opacity: 0.7;
    margin-left: 1.5rem;
    transition: opacity 0.2s;
}

.footer__nav a:hover {
    opacity: 1;
}

/* ==================== RESPONSIVE - TABLET ==================== */
@media (max-width: 768px) {
    .features__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-60);
    }

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

    .feature-card__icon img {
        margin: 0 auto;
        max-width: 280px;
    }

    .hero__illustration {
        max-width: 420px;
    }
}

/* ==================== RESPONSIVE - MOBILE ==================== */
@media (max-width: 480px) {
    body {
        font-size: 16px;
    }

    .header {
        padding: var(--spacing-30) 0;
    }

    .btn {
        font-size: 16px;
        padding: 0.7rem 1.5rem;
    }

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

    .footer__nav a {
        margin-left: 0;
        margin: 0 0.75rem;
    }

    .hero__illustration {
        max-width: 320px;
    }

    .feature-card__icon img {
        max-width: 220px;
    }
}