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

body {
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background: #fff8e7;
    color: #16324f;
}

.app {
    min-height: 100vh;
}

/* HERO */

.hero {
    min-height: 100vh;
    padding: 28px 7% 70px;

    background:
        radial-gradient(circle at 85% 15%, #ffd166 0, transparent 25%),
        radial-gradient(circle at 10% 85%, #ff7f6a 0, transparent 25%),
        linear-gradient(135deg, #20c9c3 0%, #55d6be 45%, #fff3b0 100%);
}

/* NAV */

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: #ffffff;
    font-size: 27px;
    font-weight: 900;
    letter-spacing: 3px;
    text-decoration: none;
}

.tagline {
    color: #16324f;
    font-weight: 700;
}

.hero {
    min-height: 100vh;
    padding: 28px 7% 70px;

    background:
        radial-gradient(circle at 18% 25%,
            rgba(255, 255, 255, 0.18) 0 2px,
            transparent 3px),
        radial-gradient(circle at 75% 70%,
            rgba(255, 255, 255, 0.12) 0 1px,
            transparent 2px),
        radial-gradient(circle at 85% 15%,
            rgba(255, 209, 102, 0.95) 0,
            transparent 26%),
        radial-gradient(circle at 8% 88%,
            rgba(255, 107, 87, 0.85) 0,
            transparent 25%),
        linear-gradient(
            135deg,
            #18c6c3 0%,
            #4fd4b8 45%,
            #ffe07a 100%
        );

    background-size:
        34px 34px,
        22px 22px,
        auto,
        auto,
        auto;
}

/* TRIP PLANNER */

.trip-planner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;

    max-width: 780px;
    margin: 0 auto;
    padding: 25px;

    background: rgba(255, 255, 255, 0.94);
    border-radius: 24px;

    box-shadow: 0 20px 50px rgba(22, 50, 79, 0.18);
}

.field {
    text-align: left;
}

.field label {
    display: block;
    margin: 0 0 8px 5px;
    color: #16324f;
    font-size: 13px;
    font-weight: 800;
}

.field input {
    width: 100%;
    padding: 15px;

    border: 2px solid #dcebea;
    border-radius: 13px;

    background: #ffffff;
    color: #16324f;
    font-size: 16px;
}

.field input:focus {
    outline: none;
    border-color: #20c9c3;
}

/* BUTTON */

.build-button {
    grid-column: 1 / -1;

    padding: 17px 25px;
    margin-top: 4px;

    border: 0;
    border-radius: 14px;

    background: #ff6b57;
    color: #ffffff;

    font-size: 17px;
    font-weight: 800;
    cursor: pointer;

    transition: transform 0.2s ease;
}

.build-button:hover {
    transform: translateY(-2px);
}

/* MOBILE */

@media (max-width: 650px) {

    .hero {
        padding: 24px 20px 50px;
    }

    .tagline {
        font-size: 12px;
    }

    .hero-content {
        margin-top: 65px;
    }

    .hero h1 {
        letter-spacing: -2px;
    }

    .trip-planner {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .build-button {
        grid-column: auto;
    }
}

    /* TRIP RESULT */

.trip-result {
    padding: 70px 7%;
    background: #fff8e7;
    color: #16324f;
    text-align: center;
}

.result-label {
    margin-bottom: 12px;
    color: #ff6b57;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 3px;
}

.trip-result h2 {
    font-size: clamp(36px, 6vw, 58px);
    margin-bottom: 16px;
}

.trip-summary {
    max-width: 650px;
    margin: 0 auto 40px;
    font-size: 18px;
    line-height: 1.7;
}

.estimate-note {
    max-width: 620px;
    margin: -22px auto 35px;
    color: #617487;
    font-size: 13px;
    line-height: 1.5;
}

.trip-summary strong {
    display: inline-block;
    margin-top: 5px;
    padding: 14px 22px;
    background: #ffe07a;
    color: #16324f;
    border-radius: 30px;
    font-size: 22px;
}

/* TRAVEL OPTIONS */

.travel-options {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.travel-card {
    padding: 28px 20px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 12px 30px rgba(22, 50, 79, 0.10);
}

.travel-card span {
    display: block;
    margin-bottom: 14px;
    font-size: 36px;
}

.travel-card h3 {
    margin-bottom: 10px;
    font-size: 21px;
}

.travel-card p {
    min-height: 48px;
    margin-bottom: 22px;
    color: #617487;
    line-height: 1.5;
}

.travel-link {
    display: inline-block;
    padding: 11px 17px;
    background: #20c9c3;
    color: #ffffff;
    border-radius: 22px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 800;
}

.travel-link:hover {
    background: #ff6b57;
}

/* STYLE THE SELECT */

.field select {
    width: 100%;
    padding: 15px;
    border: 2px solid #dcebea;
    border-radius: 13px;
    background: #ffffff;
    color: #16324f;
    font-size: 16px;
}

.field select:focus {
    outline: none;
    border-color: #20c9c3;
}

/* RESULTS MOBILE */

@media (max-width: 850px) {
    .travel-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .travel-options {
        grid-template-columns: 1fr;
    }

    .trip-result {
        padding: 50px 20px;
    }

    .trip-summary strong {
        font-size: 19px;
    }

.card-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 18px;

    display: flex !important;
    align-items: center;
    justify-content: center;

    background: linear-gradient(135deg, #20c9c3, #55d6be);
    color: #ffffff;

    border-radius: 50%;

    font-size: 27px !important;
    font-weight: 800;

    box-shadow: 0 8px 18px rgba(32, 201, 195, 0.22);
}

}