/* ===========================================
   TechnoVoice Landing Page Styles
   =========================================== */

:root {
    --tv-primary: #0066CC;
    --tv-primary-dark: #004C99;
    --tv-primary-light: #00AAFF;
    --tv-accent: #6B5CE7;
    --tv-text: #333333;
    --tv-text-light: #666666;
    --tv-bg-light: #F0F8FF;
    --tv-white: #FFFFFF;
}

/* Common */
.technovoice-page {
    padding-top: 70px;
}

.tv-section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--tv-text);
    position: relative;
}

.tv-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--tv-primary), var(--tv-primary-light));
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ===========================================
   Hero Section
   =========================================== */
.tv-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #001a33 0%, #003366 50%, #004C99 100%);
    overflow: hidden;
}

.tv-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/technovoice/bg-pattern.png');
    background-size: 400px;
    opacity: 0.1;
}

.tv-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--tv-white);
    max-width: 600px;
}

.tv-hero__label {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--tv-primary-light);
    margin-bottom: 1rem;
}

.tv-hero__title {
    font-size: 4rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #00AAFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tv-hero__subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.tv-hero__description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.tv-hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--tv-primary-light), var(--tv-primary));
    color: var(--tv-white);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tv-hero__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 170, 255, 0.4);
}

.tv-hero__image {
    position: absolute;
    bottom: 0;
    right: 5%;
    z-index: 1;
    opacity: 0.3;
}

.tv-hero__image img {
    max-width: 500px;
    height: auto;
}

/* ===========================================
   Problem Section
   =========================================== */
.tv-problem {
    padding: 5rem 2rem;
    background: var(--tv-white);
}

.tv-problem__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tv-problem__item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--tv-bg-light);
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tv-problem__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.1);
}

.tv-problem__item i {
    font-size: 2.5rem;
    color: var(--tv-primary);
    margin-bottom: 1rem;
}

.tv-problem__item p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--tv-text);
}

.tv-problem__item strong {
    color: var(--tv-primary-dark);
}

/* ===========================================
   Solution Section
   =========================================== */
.tv-solution {
    padding: 5rem 2rem;
    background: var(--tv-bg-light);
}

.tv-solution__content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tv-solution__image {
    flex: 0 0 400px;
}

.tv-solution__image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.tv-solution__text {
    flex: 1;
}

.tv-solution__lead {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--tv-text);
}

.tv-solution__lead strong {
    color: var(--tv-primary);
}

.tv-solution__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tv-solution__list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 1rem;
    color: var(--tv-text);
}

.tv-solution__list i {
    color: var(--tv-primary);
    margin-top: 0.25rem;
}

/* ===========================================
   Features Section
   =========================================== */
.tv-features {
    padding: 5rem 2rem;
    background: var(--tv-white);
}

.tv-features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.tv-features__item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--tv-white);
    border: 1px solid #E8E8E8;
    border-radius: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tv-features__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--tv-primary-light);
}

.tv-features__icon {
    margin-bottom: 1.5rem;
}

.tv-features__icon img {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.tv-features__item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--tv-text);
    margin-bottom: 0.75rem;
}

.tv-features__item p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--tv-text-light);
}

/* ===========================================
   Flow Section
   =========================================== */
.tv-flow {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #001a33 0%, #003366 100%);
    color: var(--tv-white);
}

.tv-flow .tv-section-title {
    color: var(--tv-white);
}

.tv-flow .tv-section-title::after {
    background: linear-gradient(90deg, var(--tv-primary-light), #FFFFFF);
}

.tv-flow__image {
    text-align: center;
    margin-bottom: 3rem;
}

.tv-flow__image img {
    max-width: 100%;
    height: auto;
}

.tv-flow__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tv-flow__step {
    text-align: center;
    padding: 1.5rem;
}

.tv-flow__number {
    display: inline-block;
    font-size: 2rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: var(--tv-primary-light);
    margin-bottom: 1rem;
}

.tv-flow__step h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tv-flow__step p {
    font-size: 0.875rem;
    line-height: 1.6;
    opacity: 0.8;
}

/* ===========================================
   Use Cases Section
   =========================================== */
.tv-usecases {
    padding: 5rem 2rem;
    background: var(--tv-bg-light);
}

.tv-usecases__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.tv-usecases__item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--tv-white);
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.tv-usecases__item:hover {
    transform: translateY(-5px);
}

.tv-usecases__item i {
    font-size: 2.5rem;
    color: var(--tv-primary);
    margin-bottom: 1.5rem;
}

.tv-usecases__item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--tv-text);
    margin-bottom: 0.75rem;
}

.tv-usecases__item p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--tv-text-light);
}

/* ===========================================
   FAQ Section
   =========================================== */
.tv-faq {
    padding: 5rem 2rem;
    background: var(--tv-white);
}

.tv-faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.tv-faq__item {
    border: 1px solid #E8E8E8;
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.tv-faq__item:hover {
    box-shadow: 0 5px 20px rgba(0, 102, 204, 0.08);
}

.tv-faq__item[open] {
    border-color: var(--tv-primary-light);
}

.tv-faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--tv-text);
    list-style: none;
    transition: background 0.3s;
}

.tv-faq__question::-webkit-details-marker {
    display: none;
}

.tv-faq__question::marker {
    display: none;
    content: '';
}

.tv-faq__question:hover {
    background: var(--tv-bg-light);
}

.tv-faq__question span {
    flex: 1;
}

.tv-faq__question i {
    color: var(--tv-primary);
    font-size: 0.875rem;
    transition: transform 0.3s;
    flex-shrink: 0;
}

.tv-faq__item[open] .tv-faq__question i {
    transform: rotate(180deg);
}

.tv-faq__answer {
    padding: 0 1.5rem 1.5rem;
}

.tv-faq__answer p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--tv-text-light);
}

/* ===========================================
   CTA Section
   =========================================== */
.tv-cta {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--tv-primary) 0%, var(--tv-primary-dark) 100%);
    text-align: center;
    color: var(--tv-white);
}

.tv-cta__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.tv-cta__text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.tv-cta__buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.tv-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.tv-cta__btn--primary {
    background: var(--tv-white);
    color: var(--tv-primary);
}

.tv-cta__btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.tv-cta__btn--secondary {
    background: transparent;
    color: var(--tv-white);
    border: 2px solid var(--tv-white);
}

.tv-cta__btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ===========================================
   Responsive
   =========================================== */
@media (max-width: 1024px) {
    .tv-problem__grid,
    .tv-features__grid,
    .tv-flow__steps,
    .tv-usecases__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tv-solution__content {
        flex-direction: column;
        text-align: center;
    }

    .tv-solution__image {
        flex: 0 0 auto;
        max-width: 350px;
    }

    .tv-solution__list li {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .tv-faq {
        padding: 3rem 1rem;
    }

    .tv-faq__question {
        padding: 1rem 1.25rem;
        font-size: 0.9375rem;
    }

    .tv-faq__answer {
        padding: 0 1.25rem 1.25rem;
    }

    .tv-faq__answer p {
        font-size: 0.875rem;
    }

    .tv-hero {
        min-height: auto;
        padding: 6rem 1.5rem 4rem;
    }

    .tv-hero__title {
        font-size: 2.5rem;
    }

    .tv-hero__description {
        font-size: 1rem;
    }

    .tv-hero__image {
        display: none;
    }

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

    .tv-problem__grid,
    .tv-features__grid,
    .tv-usecases__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .tv-flow__steps {
        grid-template-columns: 1fr 1fr;
    }

    .tv-flow__image {
        display: none;
    }

    .tv-cta__title {
        font-size: 1.5rem;
    }

    .tv-cta__buttons {
        flex-direction: column;
        align-items: center;
    }

    .tv-cta__btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .tv-flow__steps {
        grid-template-columns: 1fr;
    }

    .tv-hero__title {
        font-size: 2rem;
    }
}