/* ============================================================
   Degree Daddy — Marketing Website Styles
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
    /* Brand Colors */
    --deep-navy: #0f172a;
    --ice-blue: #0ea5e9;
    --glacier-white: #f1f5f9;
    --frost: #38bdf8;
    --arctic: #7dd3fc;
    --surface: #1e293b;
    --surface-border: #334155;
    --success-green: #22c55e;
    --streak-orange: #f97316;
    --error-red: #ef4444;

    /* Semantic */
    --bg-primary: var(--deep-navy);
    --bg-surface: var(--surface);
    --text-primary: var(--glacier-white);
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: var(--ice-blue);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: clamp(48px, 8vw, 80px);
    --container-max: 1200px;
    --container-padding: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

/* ---------- Animations ---------- */
@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in[data-delay="1"] { transition-delay: 0.1s; }
.fade-in[data-delay="2"] { transition-delay: 0.2s; }
.fade-in[data-delay="3"] { transition-delay: 0.3s; }
.fade-in[data-delay="4"] { transition-delay: 0.4s; }
.fade-in[data-delay="5"] { transition-delay: 0.5s; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: background-color var(--transition-medium),
                box-shadow var(--transition-medium),
                backdrop-filter var(--transition-medium);
}

.nav--scrolled {
    background-color: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(51, 65, 85, 0.5);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--glacier-white);
    letter-spacing: -0.02em;
}

.nav__icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--ice-blue);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast),
                box-shadow var(--transition-fast),
                background-color var(--transition-fast);
    min-height: 44px;
}

.nav__cta:hover {
    background-color: var(--frost);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

.nav__apple-icon {
    flex-shrink: 0;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--section-padding);
    overflow: hidden;
}

.hero__glow {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(900px, 100vw);
    height: min(900px, 100vw);
    background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, transparent 65%);
    pointer-events: none;
    animation: pulse-glow 8s ease-in-out infinite;
}

.hero__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.035em;
    color: var(--glacier-white);
}

.hero__subtitle {
    font-size: clamp(0.9rem, 1.4vw, 1.05rem);
    color: var(--text-secondary);
    margin-top: 16px;
    line-height: 1.7;
    max-width: 480px;
}

.hero__badges {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.hero__app-store-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 28px;
    background-color: white;
    color: #000;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast),
                box-shadow var(--transition-fast);
    min-height: 52px;
}

.hero__strava-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background-color: var(--bg-surface);
    color: var(--glacier-white);
    border: 1px solid rgba(252, 76, 2, 0.4);
    border-radius: var(--radius-md);
    min-height: 52px;
    cursor: default;
}

.hero__strava-badge span {
    display: flex;
    flex-direction: column;
}

.hero__strava-badge small {
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1;
    color: var(--text-secondary);
}

.hero__strava-badge strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--glacier-white);
}

.hero__app-store-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.12);
}

.hero__app-store-badge small {
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1;
}

.hero__app-store-badge strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero__apple-icon {
    flex-shrink: 0;
}

.hero__mockup {
    display: flex;
    justify-content: center;
}

/* ============================================================
   DEVICE IMAGES (Apple official bezels, pre-composited)
   ============================================================ */

/* Hero phone */
.hero__device-img {
    width: 260px;
    height: auto;
    display: block;
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.4));
}

/* Showcase phones */
.showcase__device-img {
    height: auto;
    display: block;
    filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.35));
    flex-shrink: 0;
}

.showcase__device-img--center {
    width: 240px;
    z-index: 2;
    position: relative;
}

.showcase__device-img--side {
    width: 200px;
}

.showcase__device-img--tilt-left {
    transform: rotate(-8deg) translateY(20px);
}

.showcase__device-img--tilt-right {
    transform: rotate(8deg) translateY(20px);
}

/* ============================================================
   INTEGRATIONS BAR
   ============================================================ */
.integrations {
    background-color: var(--surface);
    border-top: 1px solid var(--surface-border);
    border-bottom: 1px solid var(--surface-border);
    padding: 32px 0;
}

.integrations__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.integrations__label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.integrations__logos {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.integrations__item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.integrations__item svg {
    flex-shrink: 0;
    display: inline-block;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
    padding: var(--section-padding) 0;
    background-color: var(--bg-primary);
}

.features__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.features__heading {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.features__subheading {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-top: 12px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 48px;
    text-align: left;
}

.features__card {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform var(--transition-medium),
                box-shadow var(--transition-medium),
                border-color var(--transition-medium);
}

.features__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(14, 165, 233, 0.25);
}

.features__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.features__icon--blue {
    background: rgba(14, 165, 233, 0.1);
    color: var(--ice-blue);
}

.features__icon--red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-red);
}

.features__icon--orange {
    background: rgba(249, 115, 22, 0.1);
    color: var(--streak-orange);
}

.features__icon--green {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-green);
}

.features__card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.features__card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
    padding: var(--section-padding) 0;
    background-color: var(--surface);
}

.how-it-works__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.how-it-works__heading {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.how-it-works__subheading {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-top: 12px;
}

.how-it-works__steps {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 56px;
    position: relative;
}

.how-it-works__step {
    flex: 1;
    max-width: 280px;
    position: relative;
}

.how-it-works__number {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--ice-blue);
    color: white;
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3);
}

.how-it-works__connector {
    position: absolute;
    top: 26px;
    left: calc(50% + 30px);
    width: calc(100% - 12px);
    height: 2px;
    background: linear-gradient(90deg, var(--ice-blue) 0%, var(--surface-border) 100%);
    z-index: 1;
}

.how-it-works__step:last-child .how-it-works__connector {
    display: none;
}

.how-it-works__step-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.how-it-works__step-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ============================================================
   SHOWCASE
   ============================================================ */
.showcase {
    padding: var(--section-padding) 0;
    background-color: var(--bg-primary);
    overflow: hidden;
}

.showcase__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.showcase__heading {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.showcase__subheading {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-top: 12px;
}

.showcase__phones {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 56px;
}

.showcase__caption {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 48px;
}

/* ============================================================
   APPLE WATCH
   ============================================================ */
.watch {
    padding: var(--section-padding) 0;
}

.watch__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 60px;
}

.watch__content {
    flex: 1;
}

.watch__heading {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.watch__desc {
    color: var(--glacier-white);
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 24px;
}

.watch__list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.watch__list li {
    padding-left: 24px;
    position: relative;
    color: var(--glacier-white);
    opacity: 0.9;
    line-height: 1.5;
}

.watch__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ice-blue);
}

.watch__visual {
    flex-shrink: 0;
    display: flex;
    gap: 16px;
    align-items: center;
}

.watch__device-img {
    width: 140px;
    height: auto;
    display: block;
    filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.4));
}

.watch__device-img--tilt-left {
    transform: rotate(-6deg);
}

.watch__device-img--tilt-right {
    transform: rotate(6deg);
}

@media (max-width: 640px) {
    .watch__container {
        flex-direction: column-reverse;
        text-align: center;
        gap: 32px;
    }

    .watch__list li {
        padding-left: 0;
        text-align: center;
    }

    .watch__list li::before {
        display: none;
    }

    .watch__device-img {
        width: 110px;
    }
}

/* ============================================================
   WHY DEGREE DADDY
   ============================================================ */
.why {
    padding: var(--section-padding) 0;
}

.why__container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.why__heading {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
}

.why__subheading {
    text-align: center;
    color: var(--glacier-white);
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.why__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.why__item {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 16px;
    padding: 32px;
}

.why__item-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.why__item-desc {
    color: var(--glacier-white);
    opacity: 0.8;
    line-height: 1.7;
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .why__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
    padding: var(--section-padding) 0;
}

.faq__container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.faq__heading {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 40px;
}

.faq__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 12px;
    overflow: hidden;
}

.faq__question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

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

.faq__question::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--ice-blue);
    flex-shrink: 0;
    transition: transform 0.2s;
}

.faq__item[open] .faq__question::after {
    content: '\2212';
}

.faq__answer {
    padding: 0 24px 20px;
    color: var(--glacier-white);
    opacity: 0.8;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
    padding: var(--section-padding) 0;
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(600px, 100vw);
    height: min(600px, 100vw);
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 65%);
    pointer-events: none;
    animation: pulse-glow 8s ease-in-out infinite;
}

.cta__container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 1;
}

.cta__heading {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.cta__subheading {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-top: 16px;
    line-height: 1.6;
}

.cta__button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 36px;
    padding: 14px 32px;
    background-color: white;
    color: #000;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast),
                box-shadow var(--transition-fast);
    min-height: 52px;
}

.cta__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.12);
}

.cta__button svg {
    flex-shrink: 0;
}

.cta__button small {
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1;
}

.cta__button strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.2;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background-color: var(--surface);
    border-top: 1px solid var(--surface-border);
    padding: 40px 0;
}

.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--surface-border);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--glacier-white);
    letter-spacing: -0.02em;
}

.footer__icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
}

.footer__links {
    display: flex;
    gap: 24px;
}

.footer__link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--glacier-white);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
}

.footer__copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer__social {
    display: flex;
    gap: 16px;
}

.footer__social-link {
    color: var(--text-muted);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.footer__social-link:hover {
    color: var(--glacier-white);
}

.footer__social-link svg {
    display: inline-block;
}

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

/* -- Mobile (max 767px) -- */
@media (max-width: 767px) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero__container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__app-store-badge {
        justify-content: center;
    }

    .hero__mockup {
        order: 2;
    }

    .hero__device-img {
        width: 220px;
    }

    /* Features: single column */
    .features__grid {
        grid-template-columns: 1fr;
    }

    /* How it works: vertical */
    .how-it-works__steps {
        flex-direction: column;
        align-items: center;
        gap: 36px;
    }

    .how-it-works__connector {
        display: none;
    }

    /* Showcase: center phone only, hide sides */
    .showcase__phones {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .showcase__device-img--side {
        display: none;
    }

    .showcase__device-img--center {
        width: 220px;
    }

    /* Integrations: stack */
    .integrations__container {
        flex-direction: column;
        gap: 16px;
    }

    .integrations__logos {
        gap: 20px;
        justify-content: center;
    }

    /* Articles: single column */
    .articles-page__grid {
        grid-template-columns: 1fr;
    }

    .article-page__related-grid {
        grid-template-columns: 1fr;
    }

    /* Footer: stack */
    .footer__top {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* ============================================================
   ARTICLES LISTING PAGE
   ============================================================ */
.articles-page {
    padding: 120px 0 var(--section-padding);
}

.articles-page__container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.articles-page__header {
    text-align: center;
    margin-bottom: 56px;
}

.articles-page__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.articles-page__subtitle {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-top: 12px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.articles-page__section-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.articles-page__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 56px;
}

.articles-page__card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform var(--transition-medium),
                box-shadow var(--transition-medium),
                border-color var(--transition-medium);
}

.articles-page__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(14, 165, 233, 0.25);
}

.articles-page__card-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.articles-page__card-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
    color: var(--glacier-white);
}

.articles-page__card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 12px;
}

.articles-page__card-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.articles-page__card-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ice-blue);
    background: rgba(14, 165, 233, 0.1);
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* Pagination */
.articles-page__pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
    padding-bottom: 16px;
}

.articles-page__page-btn {
    padding: 8px 16px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast),
                color var(--transition-fast),
                border-color var(--transition-fast);
    font-family: inherit;
}

.articles-page__page-btn:hover:not(:disabled) {
    background: rgba(14, 165, 233, 0.1);
    border-color: rgba(14, 165, 233, 0.25);
    color: var(--glacier-white);
}

.articles-page__page-btn--active {
    background: var(--ice-blue);
    border-color: var(--ice-blue);
    color: white;
}

.articles-page__page-btn--active:hover {
    background: var(--frost);
    border-color: var(--frost);
}

.articles-page__page-btn--disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Featured card spans full width */
.articles-page__card--featured {
    grid-column: 1 / -1;
}

/* ============================================================
   ARTICLE DETAIL PAGE
   ============================================================ */
.article-page {
    padding: 120px 0 var(--section-padding);
}

.article-page__container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.article-page__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--ice-blue);
    margin-bottom: 40px;
    transition: opacity var(--transition-fast);
}

.article-page__back:hover {
    opacity: 0.8;
}

.article-page__header {
    margin-bottom: 40px;
}

.article-page__meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.article-page__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

/* Article prose */
.article-page__body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--glacier-white);
}

.article-page__body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--glacier-white);
}

.article-page__body p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.article-page__body ul,
.article-page__body ol {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding-left: 24px;
}

.article-page__body li {
    margin-bottom: 8px;
}

.article-page__body strong {
    color: var(--glacier-white);
    font-weight: 600;
}

.article-page__body a {
    color: var(--ice-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.article-page__body a:hover {
    color: var(--frost);
}

.article-page__body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.article-page__body thead th {
    text-align: left;
    font-weight: 600;
    color: var(--glacier-white);
    padding: 10px 12px;
    border-bottom: 2px solid var(--surface-border);
    background: var(--surface);
}

.article-page__body tbody td {
    padding: 10px 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--surface-border);
}

.article-page__body tbody tr:hover {
    background: rgba(14, 165, 233, 0.03);
}

.article-page__body blockquote {
    border-left: 3px solid var(--ice-blue);
    padding: 12px 20px;
    margin: 24px 0;
    background: rgba(14, 165, 233, 0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-page__body blockquote p {
    color: var(--frost);
    margin-bottom: 0;
}

/* Related articles */
.article-page__related {
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--surface-border);
}

.article-page__related-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.article-page__related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.article-page__related-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: transform var(--transition-medium),
                border-color var(--transition-medium);
}

.article-page__related-card:hover {
    transform: translateY(-2px);
    border-color: rgba(14, 165, 233, 0.25);
}

.article-page__related-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--glacier-white);
    margin-bottom: 6px;
    line-height: 1.3;
}

.article-page__related-card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Article CTA */
.article-page__cta {
    margin-top: 56px;
    text-align: center;
    padding: 40px 32px;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
}

.article-page__cta-heading {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.article-page__cta-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.article-page__cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background-color: var(--ice-blue);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast),
                box-shadow var(--transition-fast),
                background-color var(--transition-fast);
}

.article-page__cta-button:hover {
    background-color: var(--frost);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

/* Nav link for articles */
.nav__link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav__link:hover {
    color: var(--glacier-white);
}

/* -- Tablet (768px — 1023px) -- */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__app-store-badge {
        justify-content: center;
    }

    .hero__mockup {
        order: 2;
    }
}