:root {
    --green: #245b42;
    --green-dark: #183e2d;
    --sage: #829b70;
    --light-green: #eaf2e7;
    --cream: #f8f7f0;
    --white: #ffffff;
    --text: #20362a;
    --muted: #718075;
    --border: #e3e8de;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--cream);
    color: var(--text);
    font-family: "DM Sans", sans-serif;
    line-height: 1.6;
}

a {
    text-decoration: none;
}

.navbar {
    max-width: 1200px;
    margin: auto;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: var(--green);
    font-size: 23px;
    font-weight: 700;
}

.logo span {
    color: var(--sage);
}

.nav-tag,
.eyebrow {
    color: var(--green);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 24px;
}

/* Hero */
.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 45px;
    padding: 50px 0 80px;
}

.hero h1,
.section-heading h2,
.impact h2 {
    font-family: "Playfair Display", serif;
    letter-spacing: -1px;
}

.hero h1 {
    font-size: clamp(44px, 6vw, 76px);
    line-height: 1.08;
    margin: 18px 0;
}

.hero h1 span {
    color: #78976b;
    font-style: italic;
}

.hero-content > p {
    max-width: 480px;
    color: var(--muted);
    margin-bottom: 27px;
}

.primary-btn {
    display: inline-block;
    border: none;
    border-radius: 12px;
    background: var(--green);
    color: var(--white);
    padding: 14px 22px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.primary-btn:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
}

.primary-btn:focus-visible,
select:focus-visible,
.complete-btn:focus-visible {
    outline: 3px solid var(--sage);
    outline-offset: 3px;
}

.hero-image {
    position: relative;
    min-height: 420px;
    border-radius: 28px;
    background:
        linear-gradient(180deg, transparent 45%, #142b1b99),
        url("https://images.unsplash.com/photo-1448375240586-882707db888b?auto=format&fit=crop&w=1000&q=85")
        center / cover;
    box-shadow: 0 20px 50px #314b3020;
}

.image-label {
    position: absolute;
    left: 22px;
    bottom: 22px;
    padding: 12px 18px;
    border-radius: 12px;
    background: #ffffffeb;
    font-size: 13px;
    font-weight: 600;
}

/* Statistics */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    margin-top: 35px;
}

.hero-stats div {
    display: flex;
    flex-direction: column;
}

.hero-stats strong {
    color: var(--green);
    font-size: 26px;
}

.hero-stats small {
    color: var(--muted);
    font-size: 11px;
}

/* Planner and section headings */
.planner,
.mission-section {
    padding: 45px 0 65px;
}

.section-heading {
    text-align: center;
    margin-bottom: 28px;
}

.section-heading h2,
.impact h2 {
    font-size: clamp(28px, 4vw, 42px);
    margin: 10px 0;
    line-height: 1.2;
}

.section-heading p {
    color: var(--muted);
    font-size: 14px;
}

/* Form */
.planner-card,
.mission-card {
    max-width: 760px;
    margin: auto;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--white);
    box-shadow: 0 12px 40px #344b2910;
}

.planner-card label {
    display: block;
    margin: 16px 0 8px;
    font-size: 13px;
    font-weight: 700;
}

.planner-card select {
    display: block;
    width: 100%;
    padding: 13px;
    border: 1px solid #dfe5d9;
    border-radius: 10px;
    background: #fbfcf8;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
}

.generate-btn {
    width: 100%;
    margin-top: 24px;
}

.generate-btn:disabled {
    opacity: 0.65;
    cursor: wait;
    transform: none;
}

.privacy-note {
    margin-top: 15px;
    color: var(--muted);
    font-size: 11px;
    text-align: center;
}

/* AI Mission */
.mission-card {
    padding: 38px;
    text-align: center;
    background: linear-gradient(145deg, #ffffff, #f0f5eb);
}

.mission-icon {
    margin-bottom: 10px;
    font-size: 42px;
}

.mission-tag {
    color: #769766;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
}

.mission-card h3 {
    margin: 12px 0;
    font-family: "Playfair Display", serif;
    font-size: 30px;
    line-height: 1.25;
}

.mission-card p {
    max-width: 550px;
    margin: 12px auto;
    color: var(--muted);
    overflow-wrap: anywhere;
}

.mission-card ul {
    max-width: 520px;
    margin: 20px auto;
    list-style: none;
    text-align: left;
}

.mission-card li {
    margin: 7px 0;
    padding: 12px;
    border-radius: 9px;
    background: var(--light-green);
    font-size: 14px;
}

.complete-btn {
    margin-top: 12px;
    padding: 13px 20px;
    border: none;
    border-radius: 10px;
    background: #dbe9d4;
    color: var(--green);
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
}

.complete-btn:hover {
    background: #c9dfbf;
}

.complete-btn:disabled {
    opacity: 0.7;
    cursor: default;
}

/* Impact */
.impact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    margin: 20px 0 65px;
    padding: 38px;
    border-radius: 24px;
    background: var(--light-green);
}

.impact > div:first-child {
    max-width: 650px;
}

.impact p {
    color: var(--muted);
    font-size: 14px;
}

.impact-icon {
    font-size: 70px;
}

/* Footer */
.footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 15px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 12px;
}

/* Mobile responsive design */
@media (max-width: 750px) {
    .nav-tag {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 30px 0 55px;
    }

    .hero-image {
        min-height: 300px;
    }

    .hero-stats {
        gap: 20px;
    }

    .planner-card,
    .mission-card {
        padding: 22px;
    }

    .impact {
        padding: 24px;
    }

    .impact-icon {
        font-size: 40px;
    }
}

@media (max-width: 420px) {
    .container {
        padding: 0 16px;
    }

    .navbar {
        padding: 18px 16px;
    }

    .logo {
        font-size: 20px;
    }

    .hero h1 {
        font-size: 44px;
    }

    .hero-stats {
        gap: 15px;
    }

    .hero-stats strong {
        font-size: 22px;
    }

    .hero-stats small {
        max-width: 90px;
    }

    .mission-card h3 {
        font-size: 25px;
    }

    .impact {
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
    }
}