/* ================================================= */
/* CRONOGRAMER V2 - LANDING */
/* ================================================= */

:root {

    --bg: #070b14;
    --bg-secondary: #0f172a;
    --card: rgba(15, 23, 42, 0.75);

    --border: rgba(255,255,255,0.08);

    --text: #f8fafc;
    --text-secondary: #94a3b8;

    --primary: #3b82f6;
    --primary-hover: #60a5fa;

    --shadow:
        0 10px 40px rgba(0,0,0,0.45);

}

/* ================================================= */
/* RESET */
/* ================================================= */

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

html {
    scroll-behavior: smooth;
}

body {

    font-family: 'Segoe UI', sans-serif;

    background:
        radial-gradient(circle at top, rgba(59,130,246,0.12), transparent 30%),
        var(--bg);

    color: var(--text);

    overflow-x: hidden;
}

/* ================================================= */
/* GLOBAL */
/* ================================================= */

section {
    padding: 120px 24px;
}

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

a {
    text-decoration: none;
}

.section-header {

    max-width: 780px;
    margin: 0 auto 70px auto;

    text-align: center;
}

.section-header h2 {

    font-size: 42px;
    margin-bottom: 18px;
    line-height: 1.15;
}

.section-header p {

    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.7;
}

.section-badge {

    display: inline-block;

    padding: 8px 14px;
    margin-bottom: 18px;

    border-radius: 999px;

    background: rgba(59,130,246,0.12);

    border: 1px solid rgba(59,130,246,0.25);

    color: #93c5fd;

    font-size: 14px;
    font-weight: 600;
}

/* ================================================= */
/* BUTTONS */
/* ================================================= */

.btn-primary {

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 14px 28px;

    border-radius: 14px;

    background: linear-gradient(
        135deg,
        var(--primary),
        #2563eb
    );

    color: white;
    font-weight: 600;

    transition: 0.3s ease;

    border: 1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 10px 30px rgba(59,130,246,0.2);
}

.btn-primary:hover {

    transform: translateY(-2px);

    background: linear-gradient(
        135deg,
        var(--primary-hover),
        var(--primary)
    );
}

.btn-secondary {

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 14px 28px;

    border-radius: 14px;

    border: 1px solid rgba(255,255,255,0.1);

    color: white;

    transition: 0.3s ease;

    background: rgba(255,255,255,0.03);

    backdrop-filter: blur(10px);
}

.btn-secondary:hover {

    transform: translateY(-2px);

    background: rgba(255,255,255,0.05);
}

/* ================================================= */
/* NAVBAR */
/* ================================================= */

.nav {

    position: sticky;
    top: 0;
    z-index: 999;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 18px 40px;

    background: rgba(7,11,20,0.7);

    backdrop-filter: blur(14px);

    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-left {

    display: flex;
    align-items: center;
    gap: 14px;
}

.logo {
    height: 52px;
}

.brand {

    font-size: 18px;
    font-weight: 600;
}

.nav-right {

    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {

    color: var(--text-secondary);

    transition: 0.3s ease;
}

.nav-link:hover {
    color: white;
}

/* ================================================= */
/* HERO */
/* ================================================= */

.hero {

    min-height: 100vh;

    display: grid;
    grid-template-columns: 1fr 1fr;

    align-items: center;
    gap: 60px;

    padding: 120px 80px;
}

.hero-content {

    max-width: 650px;
}

.hero-badge {

    display: inline-block;

    margin-bottom: 24px;
    padding: 10px 16px;

    border-radius: 999px;

    background: rgba(59,130,246,0.12);

    border: 1px solid rgba(59,130,246,0.2);

    color: #93c5fd;

    font-size: 14px;
    font-weight: 600;
}

.hero h1 {

    font-size: 64px;
    line-height: 1.05;

    margin-bottom: 24px;

    background: linear-gradient(
        to right,
        white,
        #93c5fd
    );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {

    font-size: 19px;
    line-height: 1.8;

    color: var(--text-secondary);

    margin-bottom: 36px;
}

.hero-buttons {

    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-preview {

    position: relative;
}

.hero-preview::before {

    content: "";

    position: absolute;

    width: 600px;
    height: 600px;

    background:
        radial-gradient(circle,
        rgba(59,130,246,0.22),
        transparent 70%);

    filter: blur(80px);

    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);

    z-index: 0;
}

.hero-image {

    position: relative;
    z-index: 1;

    border-radius: 22px;

    border: 1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 40px 80px rgba(0,0,0,0.55);

    transition: 0.4s ease;
}

.hero-image:hover {

    transform: translateY(-4px);
}

/* ================================================= */
/* FEATURES */
/* ================================================= */

.features-grid {

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

    gap: 24px;

    max-width: 1300px;
    margin: auto;
}

.feature-card {

    padding: 34px;

    border-radius: 24px;

    background: var(--card);

    border: 1px solid var(--border);

    backdrop-filter: blur(12px);

    transition: 0.3s ease;
}

.feature-card:hover {

    transform: translateY(-6px);

    border-color: rgba(59,130,246,0.3);
}

.feature-icon {

    font-size: 34px;
    margin-bottom: 20px;
}

.feature-card h3 {

    font-size: 22px;
    margin-bottom: 16px;
}

.feature-card p {

    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================= */
/* SCREENSHOTS */
/* ================================================= */

.screenshots-grid {

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));

    gap: 28px;

    max-width: 1300px;
    margin: auto;
}

.screenshot-card {

    overflow: hidden;

    border-radius: 24px;

    background: var(--card);

    border: 1px solid var(--border);

    transition: 0.3s ease;
}

.screenshot-card:hover {

    transform: translateY(-6px);
}

.screenshot-card img {

    width: 100%;
    height: 240px;

    object-fit: cover;

    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.screenshot-info {

    padding: 28px;
}

.screenshot-info h3 {

    margin-bottom: 14px;
    font-size: 22px;
}

.screenshot-info p {

    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================= */
/* DEMO */
/* ================================================= */

.demo-section {

    display: flex;
    justify-content: center;
}

.demo-card {

    width: 100%;
    max-width: 780px;

    text-align: center;

    padding: 60px;

    border-radius: 32px;

    background:
        linear-gradient(
            135deg,
            rgba(15,23,42,0.95),
            rgba(30,41,59,0.9)
        );

    border: 1px solid rgba(59,130,246,0.2);

    box-shadow:
        0 30px 80px rgba(0,0,0,0.5);
}

.demo-card h2 {

    font-size: 42px;
    margin-bottom: 18px;
}

.demo-card p {

    color: var(--text-secondary);

    line-height: 1.7;

    margin-bottom: 40px;
}

.demo-credentials {

    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 20px;

    margin-bottom: 40px;
}

.credential {

    padding: 24px;

    border-radius: 18px;

    background: rgba(255,255,255,0.04);

    border: 1px solid rgba(255,255,255,0.06);
}

.credential span {

    display: block;

    color: var(--text-secondary);

    margin-bottom: 12px;
}

.credential strong {

    font-size: 20px;
}

/* ================================================= */
/* HOW IT WORKS */
/* ================================================= */

.steps {

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));

    gap: 24px;

    max-width: 1300px;
    margin: auto;
}

.step {

    text-align: center;

    padding: 34px;

    border-radius: 24px;

    background: var(--card);

    border: 1px solid var(--border);

    transition: 0.3s ease;
}

.step:hover {

    transform: translateY(-6px);
}

.step-number {

    width: 58px;
    height: 58px;

    margin: 0 auto 22px auto;

    border-radius: 50%;

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

    background:
        linear-gradient(
            135deg,
            var(--primary),
            #2563eb
        );

    font-weight: bold;
    font-size: 20px;
}

.step h3 {

    margin-bottom: 16px;
    font-size: 22px;
}

.step p {

    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================= */
/* GUIDE */
/* ================================================= */

.guide-content {

    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 60px;

    align-items: center;

    max-width: 1300px;
    margin: auto;
}

.guide-text h2 {

    font-size: 42px;
    margin-bottom: 24px;
}

.guide-text p {

    color: var(--text-secondary);

    line-height: 1.8;

    margin-bottom: 34px;
}

.guide-preview img {

    border-radius: 24px;

    border: 1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 30px 80px rgba(0,0,0,0.45);
}

/* ================================================= */
/* ABOUT */
/* ================================================= */

.about .devs {

    display: flex;
    justify-content: center;
    gap: 30px;

    flex-wrap: wrap;
}

.dev-card {

    width: 320px;

    text-align: center;

    padding: 34px;

    border-radius: 24px;

    background: var(--card);

    border: 1px solid var(--border);

    transition: 0.3s ease;
}

.dev-card:hover {

    transform: translateY(-6px);
}

.avatar {

    width: 110px;
    height: 110px;

    border-radius: 50%;

    margin: 0 auto 24px auto;

    object-fit: cover;

    border: 2px solid rgba(59,130,246,0.35);

    box-shadow:
        0 0 40px rgba(59,130,246,0.18);
}

.dev-card h3 {

    margin-bottom: 14px;
    font-size: 24px;
}

.dev-card p {

    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================= */
/* CTA */
/* ================================================= */

.cta {

    text-align: center;

    background:
        linear-gradient(
            180deg,
            transparent,
            rgba(59,130,246,0.08)
        );
}

.cta h2 {

    font-size: 48px;

    max-width: 900px;
    margin: auto auto 24px auto;

    line-height: 1.2;
}

.cta p {

    color: var(--text-secondary);

    max-width: 700px;

    margin: auto auto 34px auto;

    line-height: 1.8;
}

/* ================================================= */
/* FOOTER */
/* ================================================= */

footer {

    padding: 40px 20px;

    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.footer-logo {

    height: 52px;
}

footer p {

    color: #64748b;
}

/* ================================================= */
/* MOBILE */
/* ================================================= */

@media (max-width: 980px) {

    .hero,
    .guide-content {

        grid-template-columns: 1fr;
    }

    .hero {

        padding: 100px 24px;
        text-align: center;
    }

    .hero-content {

        margin: auto;
    }

    .hero-buttons {

        justify-content: center;
    }

    .hero h1 {

        font-size: 48px;
    }

    .section-header h2,
    .guide-text h2,
    .demo-card h2,
    .cta h2 {

        font-size: 34px;
    }

}

@media (max-width: 768px) {

    section {
        padding: 90px 20px;
    }

    .nav {

        padding: 16px 20px;
    }

    .brand {
        display: none;
    }

    .nav-right {

        gap: 10px;
    }

    .hero h1 {

        font-size: 38px;
    }

    .hero p {

        font-size: 17px;
    }

    .demo-card {

        padding: 40px 24px;
    }

    .demo-credentials {

        grid-template-columns: 1fr;
    }

    .guide-content {

        gap: 40px;
    }

}

@media (max-width: 520px) {

    .nav-right .nav-link {
        display: none;
    }

    .hero-buttons {

        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {

        width: 100%;
    }

    .section-header h2,
    .guide-text h2,
    .demo-card h2,
    .cta h2 {

        font-size: 30px;
    }

}