/* ===== Global Styles ===== */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Segoe UI", sans-serif;
    color: #0f172a;
    background:
        radial-gradient(circle at top left, rgba(79, 70, 229, 0.10), transparent 55%),
        radial-gradient(circle at bottom right, rgba(14, 116, 144, 0.18), transparent 55%),
        #f8fafc;
}

/* ===== Layout ===== */

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ===== Navbar ===== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: radial-gradient(circle at top left, #111827, #020617);
    background-color: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    background: radial-gradient(circle at 0% 0%, #4f46e5, #0f172a);
    color: #e5e7eb;
    box-shadow: 0 10px 25px rgba(31, 41, 55, 0.6);
}

.logo-text {
    font-weight: 600;
    color: #e5e7eb;
    letter-spacing: 0.03em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-size: 0.9rem;
}

.nav-links a {
    color: #cbd5f5;
    text-decoration: none;
    padding: 0.25rem 0.1rem;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.2rem;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(to right, #4f46e5, #22c55e);
    transition: width 0.18s ease;
}

.nav-links a:hover {
    color: #ffffff;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(191, 219, 254, 0.8);
    background: rgba(15, 23, 42, 0.1);
}

/* ===== Hero ===== */

.hero {
    background: radial-gradient(circle at top left, #4f46e5, #1d4ed8, #020617);
    color: #e5e7eb;
    padding: 4.5rem 0 4rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(165, 180, 252, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 2.6rem;
    line-height: 1.12;
    margin: 0 0 1rem;
}

.hero-title .accent {
    background: linear-gradient(to right, #a5b4fc, #f97316);
    -webkit-background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.6;
    color: #e2e8f0;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.hero-note {
    font-size: 0.85rem;
    color: #cbd5f5;
}

.trust-row {
    display: flex;
    flex-wrap: wrap;
    margin-top: 1rem;
    gap: 0.5rem;
}

.trust-pill {
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(191, 219, 254, 0.6);
    font-size: 0.75rem;
    background: rgba(15, 23, 42, 0.5);
}

/* ===== Hero Right Card ===== */

.hero-card {
    max-width: 420px;
}

.hero-card-inner {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 1.5rem;
    padding: 1.4rem;
    border: 1px solid rgba(148, 163, 184, 0.6);
    box-shadow: 0 25px 50px rgba(15, 23, 42, 0.8);
    animation: floatCard 6s ease-in-out infinite alternate;
}

.hero-card-label {
    font-size: 0.8rem;
    color: #cbd5f5;
    margin-bottom: 0.75rem;
}

.hero-conversation {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-bottom: 1rem;
}

.bubble {
    border-radius: 0.9rem;
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
    line-height: 1.5;
}

.bubble-interviewer {
    align-self: flex-start;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.8);
}

.bubble-user {
    align-self: flex-end;
    background: rgba(59, 130, 246, 0.25);
    border: 1px solid rgba(96, 165, 250, 0.9);
}

.bubble-ai {
    align-self: stretch;
    background: rgba(22, 163, 74, 0.15);
    border: 1px solid rgba(74, 222, 128, 0.7);
}

.hero-card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.pill.small {
    font-size: 0.7rem;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.65);
}

/* ===== Buttons ===== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.3rem;
    border-radius: 999px;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.12s ease, box-shadow 0.12s ease,
        background 0.12s ease, opacity 0.12s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(to right, #4f46e5, #3b82f6);
    color: white;
    box-shadow: 0 14px 35px rgba(37, 99, 235, 0.45);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 45px rgba(37, 99, 235, 0.55);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.45);
    opacity: 0.9;
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.85);
    color: #e5e7eb;
    border: 1px solid rgba(148, 163, 184, 0.8);
}

.btn-secondary:hover {
    transform: translateY(-1px);
    background: rgba(15, 23, 42, 1);
}

.btn-center {
    margin: 0 auto;
}

.full-width {
    width: 100%;
}

/* ===== Sections ===== */

.section {
    padding: 3.8rem 0;
}

.section-alt {
    background-color: #0f172a;
    color: #e5e7eb;
}

.section-alt .section-subtitle {
    color: #cbd5f5;
}

.section-title {
    font-size: 1.9rem;
    margin-bottom: 0.75rem;
}

.section-title.small {
    font-size: 1.5rem;
}

.section-subtitle {
    font-size: 0.98rem;
    max-width: 640px;
    color: #64748b;
}

/* ===== Feature Grid ===== */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.3rem;
    margin-top: 2rem;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 1.3rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    font-size: 0.92rem;
    transition: transform 0.16s ease, box-shadow 0.16s ease,
        border-color 0.16s ease;
}

.feature-card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.feature-card:hover {
    transform: translateY(-3px);
    border-color: #c4d3ff;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

/* ===== Steps ===== */

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.3rem;
    margin-top: 2rem;
}

.step {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 1rem;
    padding: 1.3rem;
    border: 1px solid rgba(148, 163, 184, 0.7);
    font-size: 0.95rem;

    /* FIXED LINE */
    transition: transform 0.16s ease, box-shadow 0.16s ease,
        border-color 0.16s ease;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #4f46e5;
    color: white;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.step:hover {
    transform: translateY(-3px);
    border-color: rgba(129, 140, 248, 0.9);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.55);
}

/* ===== Two Column Cards ===== */

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 1.8rem;
}

.column-card {
    background: white;
    border-radius: 1.2rem;
    padding: 1.4rem 1.5rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    transition: transform 0.16s ease, box-shadow 0.16s ease,
        border-color 0.16s ease;
}

.column-card:hover {
    transform: translateY(-2px);
    border-color: #d0e2ff;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.07);
}

.section-subtitle.small {
    font-size: 0.9rem;
}

/* ===== Checklist ===== */

.checklist {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    font-size: 0.95rem;
}

.checklist li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: 0.4rem;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #22c55e;
    font-weight: 700;
}

/* ===== Founder ===== */

.founder-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.8rem;
    align-items: flex-start;
}

.founder-card {
    background: rgba(15, 23, 42, 0.8);
    border-radius: 1.3rem;
    padding: 1.4rem 1.6rem;
    border: 1px solid rgba(148, 163, 184, 0.8);
    font-size: 0.96rem;
    line-height: 1.6;
}

.founder-sign {
    margin-top: 0.8rem;
    font-style: italic;
    color: #e5e7eb;
}

/* ===== Demo ===== */

.demo-card {
    background: white;
    border-radius: 1.3rem;
    padding: 1.8rem 1.6rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
    text-align: center;
}

.demo-note {
    margin-top: 0.9rem;
    font-size: 0.88rem;
    color: #64748b;
}

/* ===== Waitlist ===== */

.waitlist-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 1.7rem;
    align-items: flex-start;
}

.waitlist-card {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 1.2rem;
    padding: 1.5rem 1.6rem;
    border: 1px solid rgba(148, 163, 184, 0.9);
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.waitlist-form label {
    font-weight: 500;
}

.waitlist-form input,
.waitlist-form select {
    border-radius: 0.7rem;
    border: 1px solid rgba(148, 163, 184, 0.9);
    padding: 0.5rem 0.6rem;
    font-size: 0.9rem;
    background: rgba(15, 23, 42, 0.95);
    color: #e5e7eb;
}

.waitlist-form input::placeholder {
    color: #9ca3af;
}

.form-note {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: #cbd5f5;
}

/* ===== Footer ===== */

.footer {
    padding: 1.8rem 0 2.2rem;
    background: #020617;
    color: #e5e7eb;
    border-top: 1px solid rgba(30, 64, 175, 0.8);
}

.footer-content {
    text-align: center;
    font-size: 0.86rem;
}

.footer-sub {
    margin-top: 0.3rem;
    color: #9ca3af;
}

/* ===== Animations ===== */

@keyframes floatCard {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-6px);
    }
}

/* ===== Premium Page Card ===== */

.premium-card {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 1.4rem;
    padding: 2rem 1.8rem;
    border: 1px solid rgba(148, 163, 184, 0.7);
    color: #e5e7eb;
    max-width: 780px;
    margin: 2rem auto;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.premium-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #818cf8, #3b82f6, #22c55e);
    -webkit-background-clip: text;
    color: transparent;
}

.premium-price {
    font-size: 2.4rem;
    font-weight: 700;
    margin: 1rem 0;
}

.premium-list {
    list-style: none;
    padding: 0;
    margin: 1.4rem 0;
    text-align: left;
    line-height: 1.6;
}

.premium-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
    color: #cbd5f5;
}

.premium-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
    color: #22c55e;
}

.premium-btn {
    margin-top: 1.3rem;
    display: inline-block;
    padding: 0.9rem 1.6rem;
    border-radius: 999px;
    background: linear-gradient(to right, #4f46e5, #3b82f6);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: 0 14px 40px rgba(37, 99, 235, 0.45);
}

.premium-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.55);
}

/* ===== Responsive ===== */

@media (max-width: 900px) {
    .hero-grid,
    .feature-grid,
    .steps-grid,
    .two-column,
    .founder-grid,
    .waitlist-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 3.5rem;
    }

    .nav-links {
        display: none;
    }

    .hero-card {
        order: -1;
    }

    .feature-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .steps-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 2.1rem;
    }

    .section {
        padding: 3rem 0;
    }
}