/* Mobile-First Enhanced Design */

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== SCREEN 1: HERO ========== */
.hero-simple {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 24px 60px;
    background: linear-gradient(180deg, #ffffff 0%, #ecfdf5 50%, #d1fae5 100%);
    position: relative;
    overflow: hidden;
}

.hero-simple::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-simple .hero-content {
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.hero-title-large {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
    color: #111827;
}

.hero-title-large .gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle-simple {
    font-size: 19px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 48px;
    font-weight: 400;
}

.hero-simple .hero-cta {
    display: flex;
    justify-content: center;
    width: 100%;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 48px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.4), 0 4px 12px rgba(16, 185, 129, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 48px rgba(16, 185, 129, 0.5), 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-hero:active {
    transform: translateY(-1px) scale(1);
}

/* ========== SCREEN 2: FLOW ========== */
.flow-section {
    padding: 60px 20px 80px;
    background: linear-gradient(180deg, #d1fae5 0%, #ffffff 100%);
}

.flow-section .hero-flow {
    max-width: 100%;
    background: white;
    border-radius: 28px;
    padding: 32px 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(16, 185, 129, 0.1);
}

.flow-section .flow-label {
    font-size: 13px;
    font-weight: 700;
    color: #374151;
}

.flow-section .flow-label-result {
    font-size: 14px;
    font-weight: 700;
    color: #059669;
    text-align: center;
}

.flow-section .flow-arrow {
    font-size: 18px;
    color: #10b981;
    font-weight: 600;
}

.flow-section .flow-result {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.15) 100%);
    padding: 16px 20px;
    border-radius: 14px;
    border: 2px solid #10b981;
}

/* ========== SCREEN 3: DAILY BRIEF ========== */
.daily-brief-section {
    padding: 70px 20px 90px;
    background: #ffffff;
}

.section-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 40px;
    text-align: center;
    color: #111827;
    letter-spacing: -0.5px;
}

.app-preview-card {
    background: #ffffff;
    border: none;
    border-radius: 28px;
    padding: 28px;
    max-width: 100%;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 8px 24px rgba(0, 0, 0, 0.06);
}

.app-preview-header h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brief-item {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #f3f4f6;
}

.brief-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.brief-label {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: #10b981;
    margin-bottom: 14px;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brief-label::before {
    content: '';
    width: 4px;
    height: 4px;
    background: #10b981;
    border-radius: 50%;
}

.brief-priorities {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.priority-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.brief-reason {
    color: #4b5563;
    line-height: 1.7;
    font-size: 15px;
    background: #f9fafb;
    padding: 16px;
    border-radius: 12px;
    border-left: 3px solid #10b981;
}

.task-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: #f9fafb;
    border-radius: 12px;
    transition: background 0.2s;
}

.checkbox-item input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: #10b981;
    cursor: pointer;
}

.checkbox-item span {
    font-size: 15px;
    color: #374151;
    font-weight: 500;
}

.adapt-modes {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.mode-btn {
    padding: 12px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    font-size: 14px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn.active {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: #059669;
}

.adapt-note {
    font-size: 13px;
    color: #9ca3af;
    font-style: italic;
}

.section-note {
    text-align: center;
    margin-top: 48px;
    font-size: 18px;
    font-weight: 600;
    color: #6b7280;
    font-style: italic;
}

/* ========== SCREEN 4: ONBOARDING ========== */
.onboarding-section {
    padding: 70px 20px 90px;
    background: linear-gradient(180deg, #f0fdf4 0%, #ecfdf5 100%);
}

.onboarding-steps {
    max-width: 100%;
    margin: 0 auto;
}

.onboard-step {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
    align-items: flex-start;
    background: white;
    padding: 24px;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.step-number {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #111827;
}

.step-content p {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.6;
}

.onboard-cta {
    text-align: center;
    margin-top: 48px;
    padding: 40px 32px;
    background: white;
    border-radius: 24px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.1);
    border: 2px solid #10b981;
}

.arrow-line {
    width: 3px;
    height: 48px;
    background: linear-gradient(180deg, #10b981 0%, #059669 100%);
    margin: 0 auto 24px;
    border-radius: 2px;
}

.onboard-cta h3 {
    font-size: 36px;
    font-weight: 800;
    color: #10b981;
    margin-bottom: 12px;
}

.onboard-cta p {
    font-size: 16px;
    color: #6b7280;
}

/* ========== SCREEN 5: EXAMPLES ========== */
.examples-section {
    padding: 70px 20px 90px;
    background: white;
}

.section-subtitle {
    text-align: center;
    font-size: 17px;
    color: #6b7280;
    margin-top: -20px;
    margin-bottom: 40px;
}

.examples-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 100%;
    margin: 0 auto 48px;
}

.example-card {
    background: white;
    border: none;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.example-card:nth-child(1) {
    border-left: 4px solid #f59e0b;
}

.example-card:nth-child(2) {
    border-left: 4px solid #3b82f6;
}

.example-card:nth-child(3) {
    border-left: 4px solid #ef4444;
}

.example-scenario {
    font-size: 17px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.example-card:nth-child(1) .example-scenario::before {
    content: '😴';
}

.example-card:nth-child(2) .example-scenario::before {
    content: '✈️';
}

.example-card:nth-child(3) .example-scenario::before {
    content: '😰';
}

.example-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-item {
    padding: 14px 18px;
    background: #f9fafb;
    border-radius: 12px;
    font-size: 15px;
    color: #374151;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.action-item::before {
    content: '→';
    color: #10b981;
    font-weight: 700;
}

.examples-cta {
    text-align: center;
}

.examples-cta .btn-primary {
    display: inline-flex;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
}

/* ========== SCREEN 6: FINAL CTA ========== */
.final-cta {
    padding: 90px 24px;
    background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.2) 0%, transparent 60%);
    pointer-events: none;
}

.cta-title-large {
    font-size: 36px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    letter-spacing: -1px;
    position: relative;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    position: relative;
}

.final-cta .btn-hero {
    background: white;
    color: #059669;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    position: relative;
}

.final-cta .btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ========== PRICING ========== */
.pricing-simple {
    padding: 70px 20px 90px;
    background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
}

.section-title-large {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 40px;
    color: #111827;
    letter-spacing: -1px;
}

.pricing-card-single {
    max-width: 100%;
    margin: 0 auto;
    background: white;
    border-radius: 28px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.2);
}

.pricing-features-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 28px;
}

.pricing-features-grid .pricing-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: #f9fafb;
    border-radius: 14px;
}

.feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.feature-name {
    font-size: 15px;
    font-weight: 600;
    color: #111827;
}

.feature-desc {
    font-size: 13px;
    color: #6b7280;
    margin-top: 2px;
}

.pricing-disclaimer {
    text-align: center;
    padding: 18px;
    background: #fef2f2;
    border-radius: 14px;
    margin-bottom: 28px;
    border: 1px solid #fecaca;
}

.pricing-disclaimer p {
    font-size: 14px;
    color: #dc2626;
    font-weight: 600;
}

.pricing-card-single .btn-primary.btn-full {
    width: 100%;
    padding: 18px;
    font-size: 17px;
    font-weight: 700;
    border-radius: 14px;
}

/* ========== FAQ ========== */
.faq-section {
    padding: 70px 20px 90px;
    background: white;
}

.faq-list {
    max-width: 100%;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 12px;
    background: #f9fafb;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: #f3f4f6;
}

.faq-item.active {
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    line-height: 1.4;
}

.faq-icon {
    flex-shrink: 0;
    color: #9ca3af;
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: #10b981;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 15px;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

/* ========== MOBILE OPTIMIZATIONS ========== */
@media (max-width: 640px) {
    .hero-simple {
        padding: 90px 20px 50px;
    }

    .hero-title-large {
        font-size: 38px;
        letter-spacing: -1.5px;
        margin-bottom: 20px;
    }

    .hero-subtitle-simple {
        font-size: 17px;
        margin-bottom: 40px;
    }

    .btn-hero {
        padding: 16px 36px;
        font-size: 17px;
        width: auto;
        min-width: 240px;
    }

    .flow-section {
        padding: 50px 16px 60px;
    }

    .flow-section .hero-flow {
        padding: 24px 16px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 32px;
        padding: 0 4px;
    }

    .daily-brief-section,
    .onboarding-section,
    .examples-section,
    .pricing-simple,
    .faq-section {
        padding: 60px 16px 70px;
    }

    .app-preview-card {
        padding: 24px 20px;
        border-radius: 24px;
    }

    .app-preview-header h3 {
        font-size: 14px;
    }

    .brief-item {
        margin-bottom: 20px;
        padding-bottom: 20px;
    }

    .priority-badge {
        padding: 10px 16px;
        font-size: 13px;
    }

    .onboard-step {
        padding: 20px;
        gap: 16px;
        margin-bottom: 16px;
    }

    .step-number {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .step-content h3 {
        font-size: 17px;
    }

    .onboard-cta {
        padding: 36px 24px;
        margin-top: 32px;
    }

    .onboard-cta h3 {
        font-size: 32px;
    }

    .example-card {
        padding: 22px;
    }

    .example-scenario {
        font-size: 16px;
    }

    .action-item {
        padding: 12px 16px;
        font-size: 14px;
    }

    .final-cta {
        padding: 70px 20px;
    }

    .cta-title-large {
        font-size: 32px;
    }

    .cta-subtitle {
        font-size: 17px;
        margin-bottom: 36px;
    }

    .section-title-large {
        font-size: 28px;
    }

    .pricing-card-single {
        padding: 28px 24px;
    }

    .section-note {
        font-size: 16px;
        margin-top: 40px;
    }
}

/* Very small screens */
@media (max-width: 375px) {
    .hero-title-large {
        font-size: 34px;
    }

    .hero-subtitle-simple {
        font-size: 16px;
    }

    .btn-hero {
        padding: 15px 32px;
        font-size: 16px;
        min-width: 220px;
    }

    .section-title {
        font-size: 22px;
    }

    .priority-badge {
        padding: 8px 14px;
        font-size: 12px;
    }

    .step-number {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .cta-title-large {
        font-size: 28px;
    }
}

/* Landscape mode */
@media (max-height: 600px) and (orientation: landscape) {
    .hero-simple {
        min-height: auto;
        padding: 40px 20px;
    }

    .hero-title-large {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .hero-subtitle-simple {
        font-size: 14px;
        margin-bottom: 24px;
    }
}