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

body {
    font-family: 'Instrument Sans', sans-serif;
    background: #f8f7f4;
    color: #1a1a18;
    min-height: 100vh;
}

/* NAV */
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
    background: #fff;
    border-bottom: 1px solid #ebebea;
    position: sticky;
    top: 0;
    z-index: 10;
}
.logo {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a18;
    letter-spacing: -0.5px;
}
.logo span { color: #7c3aed; }
.nav-btn {
    background: #7c3aed;
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    text-decoration: none;
    transition: background 0.15s;
}
.nav-btn:hover { background: #6d28d9; }

/* HERO */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
    max-width: 680px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f0eaff;
    color: #7c3aed;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.hero-badge::before {
    content: '✦';
    font-size: 11px;
}
.hero h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: #1a1a18;
    margin-bottom: 18px;
}
.hero h1 span { color: #7c3aed; }
.hero p {
    font-size: 18px;
    color: #5c5c58;
    line-height: 1.6;
    margin-bottom: 36px;
}
.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-primary {
    background: #7c3aed;
    color: #fff;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s;
}
.btn-primary:hover { background: #6d28d9; }
.btn-secondary {
    background: #fff;
    color: #1a1a18;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid #ddddd8;
    transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: #b0b0a8; }

/* EXAMPLES SECTION */
.section {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px 100px;
}
.section-label {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: #9c9b96;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.8px;
    margin-bottom: 48px;
    color: #1a1a18;
}

/* CARDS GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .grid { grid-template-columns: 1fr; } }

.card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #ebebea;
    transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

/* SLIDE PREVIEW */
.slide-preview {
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    position: relative;
    overflow: hidden;
}
.slide-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    opacity: 0.15;
}

.slide-1 { background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 50%, #7c3aed 100%); }
.slide-2 { background: linear-gradient(135deg, #064e3b 0%, #065f46 50%, #10b981 100%); }
.slide-3 { background: linear-gradient(135deg, #1e3a5f 0%, #1d4ed8 50%, #60a5fa 100%); }
.slide-4 { background: linear-gradient(135deg, #7f1d1d 0%, #dc2626 50%, #f87171 100%); }
.slide-5 { background: linear-gradient(135deg, #431407 0%, #c2410c 50%, #fb923c 100%); }
.slide-6 { background: linear-gradient(135deg, #134e4a 0%, #0d9488 50%, #5eead4 100%); }

.slide-dots {
    display: flex;
    gap: 5px;
    margin-bottom: 14px;
}
.slide-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
}
.slide-dots span.active { background: rgba(255,255,255,0.9); width: 18px; border-radius: 3px; }

.slide-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    line-height: 1.25;
    position: relative;
    z-index: 1;
}
.slide-sub {
    font-size: 12px;
    color: rgba(255,255,255,0.65);
    margin-top: 6px;
    position: relative;
    z-index: 1;
}

/* Mini slide elements */
.slide-bar {
    position: absolute;
    top: 22px;
    right: 22px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 1;
}
.slide-bar span {
    display: block;
    height: 4px;
    border-radius: 2px;
    background: rgba(255,255,255,0.25);
}
.slide-bar span:first-child { width: 40px; background: rgba(255,255,255,0.5); }
.slide-bar span:nth-child(2) { width: 28px; }
.slide-bar span:nth-child(3) { width: 34px; }

.slide-circle {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
}
.slide-circle2 {
    position: absolute;
    top: 20px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
}

/* CARD BODY */
.card-body {
    padding: 18px 20px 20px;
}
.card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.tag {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    letter-spacing: 0.02em;
}
.tag-cs    { background: #ede9fe; color: #6d28d9; }
.tag-env   { background: #d1fae5; color: #065f46; }
.tag-biz   { background: #dbeafe; color: #1d4ed8; }
.tag-bio   { background: #fee2e2; color: #991b1b; }
.tag-psy   { background: #ffedd5; color: #c2410c; }
.tag-med   { background: #ccfbf1; color: #0f766e; }

.slides-count {
    font-size: 12px;
    color: #9c9b96;
    margin-left: auto;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a18;
    line-height: 1.35;
    margin-bottom: 6px;
}
.card-desc {
    font-size: 13px;
    color: #7a7a74;
    line-height: 1.55;
}

/* HOW IT WORKS */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}
@media (max-width: 700px) { .steps { grid-template-columns: 1fr; } }

.step {
    text-align: center;
    padding: 32px 24px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid #ebebea;
}
.step-icon {
    width: 52px;
    height: 52px;
    background: #f0eaff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 16px;
}
.step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}
.step p {
    font-size: 14px;
    color: #7a7a74;
    line-height: 1.55;
}

/* CTA */
.cta {
    background: #1a1a18;
    border-radius: 24px;
    padding: 64px 40px;
    text-align: center;
    margin: 0 24px;
    max-width: 1112px;
    margin: 0 auto 60px;
}
.cta h2 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.8px;
    margin-bottom: 14px;
}
.cta p { font-size: 16px; color: #9c9b96; margin-bottom: 32px; }

/* FOOTER */
footer {
    text-align: center;
    padding: 24px;
    font-size: 13px;
    color: #9c9b96;
    border-top: 1px solid #ebebea;
}