/**
 * Tech Sutro — Educational Institute Packages
 * assets/css/ed-packages.css
 * "Bold Tech / Dark Glass" — frosted service glass, gradient hairline
 * rings, aurora washes and gradient price type.
 */


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

.ed-packages-hero {
    padding-bottom: clamp(3rem, 6vw, 5rem);
}

.ed-packages-hero h1 {
    max-width: 950px;
    margin-inline: auto;

    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.ed-packages-hero-description {
    max-width: 720px;
    margin: 1.5rem auto 0;

    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.8;
}


/* ============================================================
   INTRO
   ============================================================ */

.ed-packages-intro {
    padding-top: var(--space-8);
    padding-bottom: var(--space-12);
}

.ed-packages-intro-grid {
    position: relative;

    display: grid;
    grid-template-columns:
        minmax(0, 0.9fr)
        minmax(0, 1.1fr);
    gap: 4rem;
    align-items: end;
    padding: var(--space-8) 0;

    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.ed-packages-intro-grid::before {
    content: "";

    position: absolute;

    top: -1px;
    left: 0;

    width: 140px;
    height: 2px;

    background: var(--accent-gradient);

    border-radius: var(--radius-full);
}

.ed-packages-intro h2 {
    max-width: 620px;
    margin: 0.5rem 0 0;

    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.ed-packages-intro-grid p {
    max-width: 560px;
    margin: 0;

    font-size: 0.98rem;
    line-height: 1.8;
}


/* ============================================================
   PACKAGE GRID
   ============================================================ */

.ed-packages-section {
    padding-top: var(--space-12);
}

.ed-packages-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}


/* ============================================================
   PACKAGE CARD — frosted glass service panel
   ============================================================ */

.ed-package-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: clamp(1.5rem, 3vw, 2.25rem);

    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);

    background: var(--glass-bg);

    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

    box-shadow:
        var(--card-shadow),
        inset 0 1px 0 var(--glass-highlight);

    overflow: hidden;

    transition:
        transform var(--transition-slow),
        border-color var(--transition-base),
        box-shadow var(--transition-slow),
        background var(--transition-base);
}

/* Gradient hairline ring — revealed on hover. */
.ed-package-card::before {
    content: "";

    position: absolute;
    inset: 0;

    border-radius: inherit;

    padding: 1px;

    background: var(--accent-gradient);

    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
            mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;

    opacity: 0;

    pointer-events: none;

    z-index: 2;

    transition: opacity var(--transition-base);
}

/* Aurora wash — fades in on hover. */
.ed-package-card::after {
    content: "";

    position: absolute;

    width: 320px;
    height: 320px;

    top: -190px;
    right: -150px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            var(--accent-glow),
            transparent 70%
        );

    opacity: 0;

    transition: opacity var(--transition-slow);

    pointer-events: none;

    z-index: 0;
}

.ed-package-card:hover {
    transform: translateY(-8px);

    border-color: transparent;

    background: var(--card-bg-hover);

    box-shadow:
        var(--card-shadow-hover),
        0 24px 60px -24px var(--accent-glow),
        inset 0 1px 0 var(--glass-highlight);
}

.ed-package-card:hover::before {
    opacity: 1;
}

.ed-package-card:hover::after {
    opacity: 1;
}

.ed-package-card > * {
    position: relative;
    z-index: 1;
}


/* ============================================================
   FEATURED / PREMIUM — gradient ring + accent glow
   ============================================================ */

.ed-package-card-featured {
    border-color: transparent;

    box-shadow:
        var(--card-shadow),
        0 18px 48px -18px var(--accent-glow),
        inset 0 1px 0 var(--glass-highlight);
}

.ed-package-card-featured::before {
    opacity: 1;
}

.ed-package-card-featured::after {
    opacity: 0.55;
}

.ed-package-card-premium {
    background:
        linear-gradient(
            160deg,
            color-mix(
                in oklab,
                var(--accent-secondary),
                transparent 91%
            ) 0%,
            var(--glass-bg) 45%,
            var(--glass-bg) 100%
        );

    border-color: transparent;

    box-shadow:
        var(--card-shadow),
        0 18px 48px -18px var(--accent-glow-2),
        inset 0 1px 0 var(--glass-highlight);
}

.ed-package-card-premium::before {
    background: var(--accent-gradient-2);

    opacity: 1;
}

.ed-package-card-premium::after {
    opacity: 0.6;

    background:
        radial-gradient(
            circle,
            var(--accent-glow-2),
            transparent 70%
        );
}

.ed-package-card-featured:hover,
.ed-package-card-premium:hover {
    transform: translateY(-8px) scale(1.012);
}


/* ============================================================
   CARD TOP
   ============================================================ */

.ed-package-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.ed-package-number {
    display: block;
    margin-bottom: 0.5rem;

    color: var(--text-tertiary);

    font-family: var(--font-mono);

    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.ed-package-category {
    display: inline-flex;
    align-items: center;

    padding: 0.35rem 0.7rem;

    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);

    color: var(--accent-primary);

    background: var(--glass-bg-soft);

    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);

    box-shadow: inset 0 1px 0 var(--glass-highlight);

    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}


/* ============================================================
   ICON — gradient-soft glass tile
   ============================================================ */

.ed-package-icon {
    width: 52px;
    height: 52px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    flex: 0 0 auto;

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

    border-radius: var(--radius-md);

    color: var(--accent-primary);

    background: var(--accent-gradient-soft);

    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);

    box-shadow: inset 0 1px 0 var(--glass-highlight);

    transition:
        transform var(--transition-slow),
        box-shadow var(--transition-slow);
}

.ed-package-icon svg {
    width: 21px;
    height: 21px;
    stroke-width: 1.6;
}

.ed-package-card:hover .ed-package-icon {
    transform: translateY(-3px);

    box-shadow:
        inset 0 1px 0 var(--glass-highlight),
        0 0 0 4px
            color-mix(
                in oklab,
                var(--accent-primary),
                transparent 92%
            ),
        0 0 28px var(--accent-glow);
}


/* ============================================================
   HEADING
   ============================================================ */

.ed-package-heading h2 {
    margin: 0;

    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.ed-package-heading p {
    max-width: 52ch;
    margin: 0.75rem 0 0;

    font-size: 0.87rem;
    line-height: 1.7;
}


/* ============================================================
   SERVICE LIST — hairline grid with gradient prices
   ============================================================ */

.ed-package-services {
    display: grid;

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

    gap: 0;

    margin-top: var(--space-8);

    border-top: 1px solid var(--border-subtle);
}

.ed-service-item {
    min-width: 0;

    padding:
        1.25rem
        1rem
        1.25rem
        0;

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

    transition: background var(--transition-fast);
}

.ed-service-item:hover {
    background: var(--glass-bg-soft);
}

.ed-service-item:nth-child(even) {
    padding-left: 1rem;
    padding-right: 0;
    border-left: 1px solid var(--border-subtle);
}

.ed-service-header {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.ed-service-header h3 {
    margin: 0;

    color: var(--text-primary);

    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.ed-service-price {
    display: block;

    font-family: var(--font-display);

    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1.4;

    background: var(--accent-gradient);
    -webkit-background-clip: text;
            background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.ed-service-item p {
    margin: 0.45rem 0 0;

    font-size: 0.75rem;
    line-height: 1.55;
}

.ed-service-item small {
    display: block;

    margin-top: 0.35rem;

    color: var(--text-tertiary);

    font-size: 0.68rem;
    line-height: 1.5;
}

.ed-service-item-wide {
    grid-column: 1 / -1;

    padding-right: 0;
}

.ed-service-item-wide .ed-service-header {
    max-width: 600px;
}


/* ============================================================
   BUTTON
   ============================================================ */

.ed-package-card .package-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 0.5rem;

    width: 100%;

    --btn-pad-y: 0.85rem;
    --btn-pad-x: 1.5rem;

    margin-top: var(--space-8);

    font-weight: 700;

    letter-spacing: 0.02em;
}

.ed-package-card .package-btn svg {
    width: 16px;
    height: 16px;
}


/* ============================================================
   INFORMATION NOTE — glass panel with aurora wash
   ============================================================ */

.ed-packages-note {
    padding-top: var(--space-20);
}

.ed-packages-note-card {
    position: relative;

    display: grid;

    grid-template-columns:
        48px
        minmax(0, 1fr);

    gap: 1.25rem;

    padding: clamp(1.5rem, 3vw, 2rem);

    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);

    background: var(--glass-bg);

    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);

    box-shadow:
        var(--card-shadow),
        inset 0 1px 0 var(--glass-highlight);

    overflow: hidden;
}

.ed-packages-note-card::before {
    content: "";

    position: absolute;
    inset: 0;

    background:
        radial-gradient(
            120% 140% at 0% 0%,
            var(--accent-glow),
            transparent 55%
        ),
        radial-gradient(
            90% 120% at 100% 100%,
            var(--accent-glow-2),
            transparent 55%
        );

    pointer-events: none;
}

.ed-packages-note-card > * {
    position: relative;
    z-index: 1;
}

.ed-packages-note-icon {
    width: 44px;
    height: 44px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);

    color: var(--accent-primary);

    background: var(--accent-gradient-soft);

    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);

    box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.ed-packages-note-icon svg {
    width: 19px;
    height: 19px;
}

.ed-packages-note-card h3 {
    margin: 0.45rem 0 0.5rem;

    font-family: var(--font-display);

    font-size: 1.25rem;
}

.ed-packages-note-card p {
    max-width: 760px;

    margin: 0;

    font-size: 0.86rem;
    line-height: 1.7;
}


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

.ed-packages-cta {
    padding-top: clamp(6rem, 10vw, 10rem);
}

.ed-packages-cta h2 {
    max-width: 720px;

    margin-inline: auto;

    font-family: var(--font-display);

    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: -0.045em;
}

.ed-packages-cta > .container > p {
    max-width: 650px;

    margin-inline: auto;

    line-height: 1.75;
}

.ed-packages-cta .cta-actions {
    display: flex;

    justify-content: center;
    align-items: center;

    flex-wrap: wrap;

    gap: 0.75rem;
}


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

@media (max-width: 900px) {

    .ed-packages-intro-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .ed-package-services {
        grid-template-columns: 1fr;
    }

    .ed-service-item,
    .ed-service-item:nth-child(even) {
        padding-left: 0;
        padding-right: 0;
        border-left: 0;
    }

    .ed-service-item-wide {
        grid-column: auto;
    }

    .ed-package-card-featured:hover,
    .ed-package-card-premium:hover {
        transform: translateY(-6px) scale(1);
    }
}


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

@media (max-width: 640px) {

    .ed-packages-hero h1 {
        font-size: clamp(2.5rem, 13vw, 4rem);
    }

    .ed-packages-grid {
        grid-template-columns: 1fr;
    }

    .ed-package-card {
        padding: var(--space-6);
        border-radius: var(--radius-lg);
    }

    .ed-package-card-top {
        margin-bottom: 1.25rem;
    }

    .ed-package-icon {
        width: 46px;
        height: 46px;
        border-radius: 13px;
    }

    .ed-service-item {
        padding-block: 1rem;
    }

    .ed-service-header h3 {
        font-size: 0.86rem;
    }

    .ed-service-price {
        font-size: 0.75rem;
    }

    .ed-packages-note-card {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .ed-packages-cta .cta-actions {
        flex-direction: column;
    }

    .ed-packages-cta .btn {
        width: 100%;
        justify-content: center;
    }
}


/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {

    .ed-package-card,
    .ed-package-icon {
        transition: none;
    }
}