/* =========================================================
   STUDYQV LANDING PAGE
   Premium Landing Page Design
========================================================= */


/* =========================================================
   EXISTING LANDING STYLES
========================================================= */

.landing-page {

    max-width: 600px;

    margin: 0 auto;

    padding: 4rem 1rem;

    text-align: center;

}

.landing-page h1 {

    font-size: 2.5rem;

}

.landing-actions {

    display: flex;

    justify-content: center;

    gap: 1rem;

    margin: 2rem 0;

}

.landing-links {

    display: flex;

    justify-content: center;

    gap: 1.5rem;

}


/* =========================================================
   LANDING PAGE FOUNDATION
========================================================= */

.landing-page {

    max-width: none;

    width: 100%;

    margin: 0;

    padding: 0;

    text-align: center;

    overflow: hidden;

}

.landing-page section {

    width: 100%;

}

.landing-page p {

    color: var(--color-text-muted);

}

.landing-page a {

    transition:
        color 0.2s ease,
        background-color 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;

}


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

.hero-section {

    position: relative;

    min-height: 720px;

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 7rem 1.5rem 6rem;

    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(29, 78, 216, 0.08),
            transparent 45%
        ),
        var(--color-background);

}

.hero-section::before {

    content: "";

    position: absolute;

    width: 420px;

    height: 420px;

    top: -220px;

    left: 50%;

    transform: translateX(-50%);

    background: rgba(29, 78, 216, 0.06);

    border-radius: 50%;

    pointer-events: none;

}

.hero-content {

    position: relative;

    z-index: 1;

    width: 100%;

    max-width: 850px;

    margin: 0 auto;

}

.hero-label,
.section-label {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    padding: 0.45rem 0.9rem;

    margin-bottom: 1.25rem;

    border: 1px solid rgba(29, 78, 216, 0.16);

    border-radius: 999px;

    background: rgba(29, 78, 216, 0.06);

    color: var(--color-primary);

    font-size: 0.78rem;

    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;

}

.hero-section h1 {

    margin: 0;

    color: var(--color-text);

    font-size: clamp(4rem, 10vw, 7rem);

    line-height: 0.95;

    font-weight: 800;

    letter-spacing: -0.055em;

}

.hero-description {

    max-width: 700px;

    margin: 2rem auto 0;

    font-size: clamp(1.05rem, 2vw, 1.25rem);

    line-height: 1.8;

    color: var(--color-text-muted);

}

.hero-section .landing-actions {

    margin: 2.5rem 0 1.5rem;

}


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

.landing-page .btn {

    min-width: 145px;

    padding: 0.9rem 1.4rem;

    border-radius: var(--radius);

    font-size: 0.98rem;

    font-weight: 700;

    text-decoration: none;

    box-shadow: 0 8px 20px rgba(29, 78, 216, 0.14);

}

.landing-page .btn-primary:hover,

.landing-page .btn-primary:focus {

    transform: translateY(-2px);

    box-shadow: 0 12px 26px rgba(29, 78, 216, 0.22);

    text-decoration: none;

}

.landing-page .landing-links {

    margin-top: 1.5rem;

    margin-bottom: 0;

}

.landing-page .landing-links a {

    font-size: 0.95rem;

    font-weight: 600;

}

.landing-page .landing-links a:hover {

    text-decoration: none;

    color: var(--color-primary-dark);

}


/* =========================================================
   SECTION FOUNDATION
========================================================= */

.section-heading {

    max-width: 760px;

    margin: 0 auto 4rem;

}

.section-heading .section-label {

    margin-bottom: 1.25rem;

}

.section-heading h2 {

    margin: 0;

    color: var(--color-text);

    font-size: clamp(2rem, 5vw, 3.25rem);

    line-height: 1.1;

    letter-spacing: -0.035em;

}

.section-heading p {

    max-width: 650px;

    margin: 1.25rem auto 0;

    font-size: 1.05rem;

    line-height: 1.8;

}


/* =========================================================
   INTRODUCTION
========================================================= */

.intro-section {

    padding: 7rem 1.5rem;

    background: var(--color-surface);

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

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

}

.intro-content {

    display: grid;

    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 2rem;

    max-width: 900px;

    margin: 0 auto;

    text-align: left;

}

.intro-content p {

    margin: 0;

    padding: 1.75rem;

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

    border-radius: var(--radius);

    background: var(--color-background);

    font-size: 1rem;

    line-height: 1.8;

}


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

.features-section {

    padding: 7rem 1.5rem;

    background: var(--color-background);

}

.features-grid {

    display: grid;

    grid-template-columns: repeat(4, minmax(0, 1fr));

    gap: 1.25rem;

    max-width: 1180px;

    margin: 0 auto;

    text-align: left;

}

.feature-card {

    padding: 2rem;

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

    border-radius: var(--radius);

    background: var(--color-surface);

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;

}

.feature-card:hover {

    transform: translateY(-6px);

    border-color: rgba(29, 78, 216, 0.22);

    box-shadow: 0 18px 40px rgba(31, 41, 55, 0.08);

}

.feature-icon {

    display: flex;

    align-items: center;

    justify-content: center;

    width: 42px;

    height: 42px;

    margin-bottom: 1.75rem;

    border-radius: 8px;

    background: var(--color-primary);

    color: #ffffff;

    font-size: 0.75rem;

    font-weight: 800;

}

.feature-card h3 {

    margin-bottom: 0.75rem;

    font-size: 1.15rem;

}

.feature-card p {

    margin: 0;

    font-size: 0.94rem;

    line-height: 1.7;

}


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

.how-it-works-section {

    padding: 7rem 1.5rem;

    background: var(--color-surface);

}

.steps-grid {

    display: grid;

    grid-template-columns: repeat(4, minmax(0, 1fr));

    max-width: 1180px;

    margin: 0 auto;

    text-align: left;

}

.step-card {

    position: relative;

    padding: 2rem;

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

}

.step-card:not(:last-child)::after {

    content: "";

    position: absolute;

    top: 2.65rem;

    right: 0;

    width: 1px;

    height: 70px;

    background: var(--color-border);

}

.step-number {

    display: block;

    margin-bottom: 1.5rem;

    color: var(--color-primary);

    font-size: 0.8rem;

    font-weight: 800;

    letter-spacing: 0.08em;

}

.step-card h3 {

    margin-bottom: 0.7rem;

    font-size: 1.1rem;

}

.step-card p {

    margin: 0;

    font-size: 0.94rem;

    line-height: 1.7;

}


/* =========================================================
   EXPERIENCE SECTION
========================================================= */

.experience-section {

    padding: 7rem 1.5rem;

    background:
        linear-gradient(
            135deg,
            var(--color-primary-dark),
            var(--color-primary)
        );

}

.experience-content {

    max-width: 780px;

    margin: 0 auto;

}

.experience-section .section-label {

    border-color: rgba(255, 255, 255, 0.2);

    background: rgba(255, 255, 255, 0.1);

    color: #ffffff;

}

.experience-section h2 {

    margin: 0;

    color: #ffffff;

    font-size: clamp(2rem, 5vw, 3.4rem);

    line-height: 1.1;

    letter-spacing: -0.035em;

}

.experience-section p {

    max-width: 680px;

    margin: 1.4rem auto 0;

    color: rgba(255, 255, 255, 0.82);

    font-size: 1.05rem;

    line-height: 1.8;

}

.experience-section .btn {

    margin-top: 2rem;

    background: #ffffff;

    color: var(--color-primary);

}

.experience-section .btn:hover,

.experience-section .btn:focus {

    background: var(--color-background);

    color: var(--color-primary-dark);

}


/* =========================================================
   WHY STUDYQV
========================================================= */

.why-section {

    padding: 7rem 1.5rem;

    background: var(--color-background);

}

.why-grid {

    display: grid;

    grid-template-columns: repeat(3, minmax(0, 1fr));

    max-width: 1050px;

    margin: 0 auto;

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

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

    text-align: left;

}

.why-item {

    padding: 2.5rem;

}

.why-item:not(:last-child) {

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

}

.why-item h3 {

    margin-bottom: 0.75rem;

    font-size: 1.15rem;

}

.why-item p {

    margin: 0;

    font-size: 0.95rem;

    line-height: 1.75;

}


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

.final-cta-section {

    padding: 8rem 1.5rem;

    background: var(--color-surface);

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

}

.final-cta-content {

    max-width: 800px;

    margin: 0 auto;

}

.final-cta-content h2 {

    margin: 0;

    font-size: clamp(2.25rem, 5vw, 3.6rem);

    line-height: 1.08;

    letter-spacing: -0.04em;

}

.final-cta-content p {

    max-width: 650px;

    margin: 1.4rem auto 0;

    font-size: 1.05rem;

    line-height: 1.8;

}

.final-cta-section .landing-actions {

    margin-top: 2rem;

}


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

.landing-footer {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 2rem;

    max-width: 1180px;

    margin: 0 auto;

    padding: 3rem 1.5rem;

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

    text-align: left;

}

.footer-brand h2 {

    margin: 0;

    color: var(--color-text);

    font-size: 1.25rem;

}

.footer-brand p {

    margin: 0.35rem 0 0;

    font-size: 0.88rem;

}

.footer-links {

    display: flex;

    align-items: center;

    gap: 1.5rem;

}

.footer-links a {

    font-size: 0.9rem;

    font-weight: 600;

}

.footer-links a:hover {

    text-decoration: none;

    color: var(--color-primary-dark);

}


/* =========================================================
   RESPONSIVE TABLET
========================================================= */

@media (max-width: 1000px) {

    .features-grid {

        grid-template-columns: repeat(2, minmax(0, 1fr));

    }

    .steps-grid {

        grid-template-columns: repeat(2, minmax(0, 1fr));

    }

    .step-card:nth-child(2)::after {

        display: none;

    }

    .step-card:nth-child(1),
    .step-card:nth-child(2) {

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

    }

}


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

@media (max-width: 700px) {

    .hero-section {

        min-height: auto;

        padding: 6rem 1.25rem 5rem;

    }

    .hero-section h1 {

        font-size: clamp(3.5rem, 18vw, 5rem);

    }

    .hero-description {

        font-size: 1rem;

        line-height: 1.7;

    }

    .landing-page .landing-actions {

        flex-direction: column;

        align-items: stretch;

        gap: 0.75rem;

        max-width: 330px;

        margin-left: auto;

        margin-right: auto;

    }

    .landing-page .btn {

        width: 100%;

    }

    .intro-section,
    .features-section,
    .how-it-works-section,
    .experience-section,
    .why-section,
    .final-cta-section {

        padding: 5rem 1.25rem;

    }

    .section-heading {

        margin-bottom: 3rem;

    }

    .section-heading h2 {

        font-size: 2rem;

    }

    .intro-content {

        grid-template-columns: 1fr;

    }

    .features-grid {

        grid-template-columns: 1fr;

    }

    .steps-grid {

        grid-template-columns: 1fr;

    }

    .step-card {

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

    }

    .step-card:not(:last-child)::after {

        display: none;

    }

    .why-grid {

        grid-template-columns: 1fr;

    }

    .why-item {

        padding: 2rem 1.5rem;

        border-right: none !important;

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

    }

    .why-item:last-child {

        border-bottom: none;

    }

    .landing-footer {

        flex-direction: column;

        align-items: flex-start;

        padding: 2.5rem 1.25rem;

    }

    .footer-links {

        flex-wrap: wrap;

    }

}


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

@media (max-width: 420px) {

    .hero-section {

        padding-top: 5rem;

    }

    .hero-section h1 {

        font-size: 3.4rem;

    }

    .hero-label,
    .section-label {

        font-size: 0.7rem;

    }

    .landing-page .landing-links {

        gap: 1rem;

    }

    .intro-content p {

        padding: 1.4rem;

    }

    .feature-card {

        padding: 1.5rem;

    }

}