/* ============================================================
   Silibot STAGE 1 DESIGN SYSTEM
   Premium light technology-company visual language.
   No external fonts, libraries, icons or CSS frameworks.
   ============================================================ */


/* ============================================================
   1. DESIGN VARIABLES
   Centralizes the most important visual values.
   ============================================================ */

:root {
    --blue: #126df4;
    --blue-dark: #071a3a;
    --blue-deep: #03132d;
    --blue-light: #eaf3ff;

    --text: #0d1830;
    --text-soft: #52627c;
    --white: #ffffff;

    --border: #dce7f5;
    --surface: #f6f9fd;

    --shadow-soft: 0 18px 50px rgba(8, 35, 75, 0.08);
    --shadow-blue: 0 16px 45px rgba(18, 109, 244, 0.20);

    --radius: 22px;
}


/* ============================================================
   2. GLOBAL RESET
   Removes inconsistent browser defaults.
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* ============================================================
   3. BASE PAGE
   ============================================================ */

html {
    scroll-behavior: smooth;
}


body {
    font-family:
        Arial,
        Helvetica,
        sans-serif;

    color: var(--text);
    background: var(--white);

    line-height: 1.6;

    overflow-x: hidden;
}


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


button {
    font: inherit;
}


/* ============================================================
   4. COMMON CONTAINER
   Keeps the content aligned throughout the website.
   ============================================================ */

.container {
    width: min(1380px, calc(100% - 64px));
    margin: 0 auto;
}


/* ============================================================
   5. HEADER
   Premium white navigation with subtle border.
   ============================================================ */

.site-header {
    position: relative;
    z-index: 100;

    background: rgba(255, 255, 255, 0.96);

    border-bottom: 1px solid #e6edf6;
}


.header-inner {
    min-height: 86px;

    display: flex;
    align-items: center;
    gap: 30px;
}


/* ============================================================
   6. Silibot BRAND
   ============================================================ */

.brand {
    display: flex;
    align-items: center;
    gap: 12px;

    flex-shrink: 0;
}


.brand-mark {
    width: 48px;
    height: 48px;

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

    border: 2px solid var(--blue);
    border-radius: 14px;

    transform: rotate(45deg);

    position: relative;
}


.brand-mark::before,
.brand-mark::after {
    content: "";

    position: absolute;

    width: 7px;
    height: 7px;

    background: var(--blue);

    border-radius: 50%;
}


.brand-mark::before {
    top: -5px;
    right: 7px;
}


.brand-mark::after {
    bottom: -5px;
    left: 7px;
}


.brand-mark span {
    transform: rotate(-45deg);

    font-size: 23px;
    font-weight: 900;

    color: var(--blue);
}


.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1;
}


.brand-copy strong {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: -0.7px;
}


.brand-copy strong span {
    color: var(--blue);
}


.brand-copy small {
    margin-top: 6px;

    font-size: 8px;
    font-weight: 700;

    letter-spacing: 2px;

    color: #64748b;
}


/* ============================================================
   7. NAVIGATION
   ============================================================ */

.navigation {
    display: flex;
    align-items: center;
    gap: 30px;

    margin-left: auto;
}


.navigation a {
    position: relative;

    padding: 31px 0;

    font-size: 14px;
    font-weight: 700;

    color: #17233b;

    transition: color 0.25s ease;
}


.navigation a:hover,
.navigation a.active {
    color: var(--blue);
}


.navigation a.active::after {
    content: "";

    position: absolute;

    left: 50%;
    bottom: 20px;

    width: 24px;
    height: 3px;

    border-radius: 10px;

    background: var(--blue);

    transform: translateX(-50%);
}


/* ============================================================
   8. HEADER CTA
   ============================================================ */

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    padding: 15px 22px;

    border-radius: 12px;

    background: var(--blue);

    color: var(--white);

    font-size: 14px;
    font-weight: 800;

    box-shadow: 0 10px 25px rgba(18, 109, 244, 0.22);

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease;
}


.header-cta:hover {
    transform: translateY(-2px);

    box-shadow: 0 14px 30px rgba(18, 109, 244, 0.30);
}


.header-cta span {
    font-size: 18px;
}


/* ============================================================
   9. MOBILE MENU BUTTON
   Hidden on desktop.
   ============================================================ */

.menu-button {
    display: none;

    width: 44px;
    height: 44px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: var(--white);

    color: var(--text);

    cursor: pointer;
}


/* ============================================================
   10. HERO SECTION
   ============================================================ */

.hero {
    position: relative;

    min-height: 600px;

    overflow: hidden;

    background:
        linear-gradient(
            90deg,
            #ffffff 0%,
            #ffffff 40%,
            #f3f8ff 100%
        );
}


.hero-inner {
    min-height: 600px;

    display: grid;
    grid-template-columns: 0.92fr 1.08fr;

    align-items: stretch;
}


/* ============================================================
   11. HERO BACKGROUND GRID
   ============================================================ */

.hero-grid {
    position: absolute;

    inset: 0;

    pointer-events: none;

    opacity: 0.55;

    background-image:
        radial-gradient(
            #bcd5f7 1.2px,
            transparent 1.2px
        );

    background-size: 24px 24px;

    mask-image: linear-gradient(
        to right,
        black,
        transparent 55%
    );
}


.hero-glow {
    position: absolute;

    width: 500px;
    height: 500px;

    right: 10%;
    top: 8%;

    border-radius: 50%;

    background: rgba(58, 145, 255, 0.10);

    filter: blur(80px);

    pointer-events: none;
}


/* ============================================================
   12. HERO CONTENT
   ============================================================ */

.hero-content {
    position: relative;
    z-index: 2;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 70px 30px 70px 24px;
}


.eyebrow {
    display: flex;
    align-items: center;
    gap: 11px;

    margin-bottom: 22px;

    color: var(--blue);

    font-size: 12px;
    font-weight: 900;

    letter-spacing: 2px;
}


.eyebrow span {
    color: #9aa8bc;
}


/* ============================================================
   13. HERO HEADLINE
   ============================================================ */

.hero h1 {
    max-width: 720px;

    font-size: clamp(48px, 5vw, 78px);

    line-height: 0.98;

    letter-spacing: -3.5px;

    font-weight: 900;
}


.hero h1 span,
.hero h1 strong {
    display: block;
}


.hero h1 strong {
    color: var(--blue);
}


/* ============================================================
   14. HERO DESCRIPTION
   ============================================================ */

.hero-description {
    max-width: 600px;

    margin-top: 28px;

    color: var(--text-soft);

    font-size: 17px;

    line-height: 1.8;
}


/* ============================================================
   15. HERO BUTTONS
   ============================================================ */

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;

    margin-top: 30px;
}


.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;

    min-height: 56px;

    padding: 0 22px;

    border-radius: 12px;

    font-size: 14px;
    font-weight: 800;

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        background 0.25s ease;
}


.button span {
    font-size: 18px;
}


.button-primary {
    background: var(--blue);

    color: var(--white);

    box-shadow: var(--shadow-blue);
}


.button-primary:hover {
    transform: translateY(-3px);

    box-shadow:
        0 20px 40px rgba(18, 109, 244, 0.28);
}


.button-secondary {
    background: rgba(255, 255, 255, 0.75);

    color: var(--text);

    border: 1px solid #bcd0ea;
}


.button-secondary:hover {
    transform: translateY(-3px);

    border-color: var(--blue);
}


/* ============================================================
   16. HERO TRUST LINE
   ============================================================ */

.hero-trust {
    display: flex;
    align-items: center;
    gap: 9px;

    margin-top: 25px;

    color: #71809a;

    font-size: 9px;
    font-weight: 800;

    letter-spacing: 1.5px;
}


.trust-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--blue);

    box-shadow: 0 0 12px rgba(18, 109, 244, 0.7);
}


/* ============================================================
   17. HERO VISUAL
   ============================================================ */

.hero-visual {
    position: relative;

    min-height: 600px;

    overflow: hidden;

    background: #dcecff;
}


.hero-student-image {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    object-position: center;
}


/* ============================================================
   18. FLOATING TECHNOLOGY PILLS
   ============================================================ */

.tech-stack {
    position: absolute;

    top: 24px;
    left: 24px;

    display: flex;
    flex-direction: column;
    gap: 8px;

    z-index: 3;
}


.tech-pill {
    display: flex;
    align-items: center;
    gap: 10px;

    width: 190px;

    padding: 9px 11px;

    border: 1px solid rgba(90, 184, 255, 0.65);

    border-radius: 13px;

    background: rgba(5, 40, 83, 0.72);

    color: var(--white);

    backdrop-filter: blur(10px);

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}


.tech-icon {
    width: 32px;
    height: 32px;

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

    flex-shrink: 0;

    border: 1px solid rgba(90, 184, 255, 0.8);

    border-radius: 9px;

    color: #72c9ff;

    font-size: 12px;
    font-weight: 900;
}


.tech-pill strong {
    display: block;

    font-size: 12px;

    line-height: 1.1;
}


.tech-pill small {
    display: block;

    margin-top: 3px;

    color: #c9def6;

    font-size: 8px;
}


/* ============================================================
   19. HERO ACTION BADGE
   ============================================================ */

.hero-video-badge {
    position: absolute;

    right: 25px;
    bottom: 25px;

    z-index: 4;

    display: flex;
    align-items: center;
    gap: 12px;

    padding: 9px 18px 9px 9px;

    border-radius: 50px;

    background: var(--white);

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.18);
}


.play-icon {
    width: 48px;
    height: 48px;

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

    border-radius: 50%;

    background: var(--blue);

    color: var(--white);

    font-size: 13px;
}


.hero-video-badge strong {
    display: block;

    font-size: 10px;
}


.hero-video-badge small {
    display: block;

    color: #687791;

    font-size: 9px;
}


/* ============================================================
   20. IMPACT STRIP
   ============================================================ */

.impact-strip {
    position: relative;
    z-index: 5;

    margin-top: 0;

    background:
        linear-gradient(
            100deg,
            #061b3d,
            #073575
        );

    color: var(--white);
}


.impact-grid {
    min-height: 130px;

    display: grid;
    grid-template-columns: repeat(4, 1fr);
}


.impact-item {
    display: flex;
    align-items: center;
    gap: 17px;

    padding: 22px 25px;

    border-right: 1px solid rgba(255, 255, 255, 0.18);
}


.impact-item:last-child {
    border-right: 0;
}


.impact-icon {
    width: 48px;
    height: 48px;

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

    flex-shrink: 0;

    border: 1px solid rgba(100, 192, 255, 0.6);

    border-radius: 15px;

    color: #75d0ff;

    font-size: 21px;
}


.impact-item strong {
    display: block;

    font-size: 29px;
    line-height: 1;

    letter-spacing: -1px;
}


.impact-item > div > span {
    display: block;

    margin-top: 5px;

    font-size: 12px;
    font-weight: 700;
}


.impact-item small {
    display: block;

    margin-top: 2px;

    color: #a9c1df;

    font-size: 9px;
}


/* ============================================================
   21. COMMON SECTION
   ============================================================ */

.section {
    padding: 110px 0;
}


.education-section {
    background: #ffffff;
}


.section-heading {
    max-width: 780px;

    margin: 0 auto 52px;

    text-align: center;
}


.section-label {
    display: inline-flex;

    align-items: center;

    margin-bottom: 15px;

    color: var(--blue);

    font-size: 11px;
    font-weight: 900;

    letter-spacing: 2px;
}


.section-heading h2 {
    font-size: clamp(35px, 4vw, 54px);

    line-height: 1.08;

    letter-spacing: -2px;
}


.section-heading h2 span {
    display: block;

    color: var(--blue);
}


.section-heading p {
    max-width: 650px;

    margin: 18px auto 0;

    color: var(--text-soft);

    font-size: 16px;
}


/* ============================================================
   22. EDUCATION CARD GRID
   ============================================================ */

.service-grid {
    display: grid;

    grid-template-columns: repeat(5, 1fr);

    gap: 16px;
}


.service-card {
    position: relative;

    min-height: 330px;

    padding: 28px 24px;

    overflow: hidden;

    border: 1px solid #e0e9f5;

    border-radius: var(--radius);

    background:
        linear-gradient(
            145deg,
            #ffffff,
            #f7fbff
        );

    box-shadow: 0 12px 35px rgba(8, 35, 75, 0.05);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}


.service-card::after {
    content: "";

    position: absolute;

    width: 150px;
    height: 150px;

    right: -80px;
    bottom: -80px;

    border-radius: 50%;

    background: rgba(18, 109, 244, 0.07);

    transition: transform 0.4s ease;
}


.service-card:hover {
    transform: translateY(-9px);

    border-color: #bcd6f5;

    box-shadow: var(--shadow-soft);
}


.service-card:hover::after {
    transform: scale(1.5);
}


/* ============================================================
   23. CARD ICON
   ============================================================ */

.service-icon {
    width: 62px;
    height: 62px;

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

    margin-bottom: 25px;

    border: 1px solid #cfe0f5;

    border-radius: 18px;

    background: #f4f9ff;

    color: var(--blue);

    font-size: 22px;
    font-weight: 900;
}


.line-icon {
    font-size: 20px;
    font-weight: 900;
}


.ai-icon {
    position: relative;
}


.ai-core {
    width: 15px;
    height: 15px;

    border: 2px solid #5b5ff0;

    border-radius: 50%;
}


.ai-node {
    position: absolute;

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #5b5ff0;
}


.ai-node-1 {
    top: 12px;
    left: 15px;
}


.ai-node-2 {
    top: 14px;
    right: 13px;
}


.ai-node-3 {
    bottom: 13px;
    left: 15px;
}


.ai-node-4 {
    bottom: 12px;
    right: 14px;
}


.code-icon {
    color: #0698bd;

    font-size: 20px;
}


.chip-icon {
    position: relative;
}


.chip-square {
    width: 28px;
    height: 28px;

    border: 3px solid #7b45e8;

    border-radius: 6px;
}


.chip-pins {
    position: absolute;

    width: 42px;
    height: 42px;

    border-top: 2px solid #7b45e8;
    border-bottom: 2px solid #7b45e8;
}


.innovation-icon {
    color: #e93491;

    font-size: 30px;
}


/* ============================================================
   24. CARD CONTENT
   ============================================================ */

.card-number {
    position: absolute;

    top: 27px;
    right: 22px;

    color: #a8b8cd;

    font-size: 10px;
    font-weight: 900;

    letter-spacing: 1px;
}


.service-card h3 {
    position: relative;
    z-index: 2;

    margin-bottom: 12px;

    font-size: 19px;
    line-height: 1.2;
}


.service-card p {
    position: relative;
    z-index: 2;

    color: var(--text-soft);

    font-size: 13px;

    line-height: 1.7;
}


.card-link {
    position: absolute;

    left: 24px;
    bottom: 25px;

    z-index: 3;

    display: inline-flex;
    align-items: center;
    gap: 8px;

    color: var(--blue);

    font-size: 11px;
    font-weight: 800;
}


.card-link span {
    font-size: 16px;
}


/* ============================================================
   25. TECHNOLOGY SECTION
   Darker section introduces Silibot's future direction.
   ============================================================ */

.technology-section {
    position: relative;

    overflow: hidden;

    padding: 110px 0;

    background:
        radial-gradient(
            circle at 80% 50%,
            rgba(35, 128, 255, 0.28),
            transparent 28%
        ),
        linear-gradient(
            115deg,
            #03132d,
            #06285a
        );

    color: var(--white);
}


.technology-inner {
    display: grid;

    grid-template-columns: 1fr 1fr;

    align-items: center;

    gap: 80px;
}


.light-label {
    color: #68c7ff;
}


.technology-copy h2 {
    max-width: 650px;

    font-size: clamp(40px, 5vw, 68px);

    line-height: 1;

    letter-spacing: -3px;
}


.technology-copy h2 span {
    display: block;

    color: #55b9ff;
}


.technology-copy p {
    max-width: 580px;

    margin: 25px 0;

    color: #c3d6ed;

    font-size: 16px;

    line-height: 1.8;
}


.technology-button {
    color: var(--white);

    border: 1px solid rgba(105, 196, 255, 0.55);

    background: rgba(255, 255, 255, 0.06);
}


.technology-button:hover {
    background: rgba(255, 255, 255, 0.12);
}


/* ============================================================
   26. TECHNOLOGY ORBIT
   Visualizes the future ecosystem without a corporate chart.
   ============================================================ */

.technology-orbit {
    width: 430px;
    height: 430px;

    margin: auto;

    position: relative;
}


.orbit-ring {
    position: absolute;

    left: 50%;
    top: 50%;

    border: 1px solid rgba(85, 185, 255, 0.35);

    border-radius: 50%;

    transform: translate(-50%, -50%);
}


.ring-one {
    width: 170px;
    height: 170px;
}


.ring-two {
    width: 290px;
    height: 290px;
}


.ring-three {
    width: 410px;
    height: 410px;
}


.orbit-core {
    position: absolute;

    left: 50%;
    top: 50%;

    width: 92px;
    height: 92px;

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

    border: 1px solid #67c8ff;

    border-radius: 50%;

    background: #0a3d7e;

    color: #ffffff;

    font-size: 22px;
    font-weight: 900;

    box-shadow:
        0 0 50px rgba(56, 177, 255, 0.3);

    transform: translate(-50%, -50%);
}


.orbit-node {
    position: absolute;

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

    padding: 10px 14px;

    border: 1px solid rgba(100, 199, 255, 0.55);

    border-radius: 30px;

    background: rgba(5, 41, 84, 0.8);

    color: #d9efff;

    font-size: 9px;
    font-weight: 800;

    letter-spacing: 1px;
}


.node-top {
    top: 2px;
    left: 50%;

    transform: translateX(-50%);
}


.node-right {
    right: -5px;
    top: 50%;

    transform: translateY(-50%);
}


.node-bottom {
    bottom: 2px;
    left: 50%;

    transform: translateX(-50%);
}


.node-left {
    left: -5px;
    top: 50%;

    transform: translateY(-50%);
}


/* ============================================================
   27. SCHOOL CTA
   ============================================================ */

.school-cta {
    padding: 90px 0;

    background: #f3f7fc;
}


.school-cta-inner {
    display: flex;

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

    gap: 50px;

    padding: 55px 65px;

    border: 1px solid #dce8f6;

    border-radius: 28px;

    background:
        radial-gradient(
            circle at 90% 20%,
            rgba(18, 109, 244, 0.12),
            transparent 30%
        ),
        #ffffff;

    box-shadow: var(--shadow-soft);
}


.school-cta h2 {
    max-width: 700px;

    font-size: clamp(36px, 4vw, 56px);

    line-height: 1;

    letter-spacing: -2px;
}


.school-cta h2 span {
    display: block;

    color: var(--blue);
}


.school-cta p {
    max-width: 620px;

    margin-top: 18px;

    color: var(--text-soft);
}


.large-button {
    white-space: nowrap;
}


/* ============================================================
   28. VISION SECTION
   ============================================================ */

.vision-section {
    padding: 120px 0;

    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(18, 109, 244, 0.22),
            transparent 35%
        ),
        #04132d;

    color: var(--white);

    text-align: center;
}


.vision-inner {
    max-width: 1000px;
}


.vision-section h2 {
    font-size: clamp(46px, 7vw, 90px);

    line-height: 0.95;

    letter-spacing: -4px;
}


.vision-section h2 span {
    color: #65c7ff;
}


.vision-section h2 strong {
    color: var(--blue);
}


.vision-section p {
    max-width: 650px;

    margin: 28px auto 0;

    color: #b9cee8;

    font-size: 17px;
}


/* ============================================================
   29. FUTURE ANCHOR SECTIONS
   Temporary lightweight sections for navigation targets.
   They can later be replaced with full Products and Labs pages.
   ============================================================ */

.future-anchor {
    padding: 22px 0;

    background: #f7faff;

    border-top: 1px solid #e5edf7;

    color: #71819b;

    text-align: center;

    font-size: 9px;
    font-weight: 800;

    letter-spacing: 2px;
}


/* ============================================================
   30. FOOTER
   ============================================================ */

.site-footer {
    padding: 70px 0 0;

    background: #020d20;

    color: var(--white);
}


.footer-grid {
    display: grid;

    grid-template-columns: 2fr 1fr 1fr 1fr;

    gap: 50px;

    padding-bottom: 55px;
}


.footer-brand-link {
    display: inline-flex;
}


.footer-brand .brand-copy strong {
    color: #ffffff;
}


.footer-brand p {
    max-width: 360px;

    margin-top: 22px;

    color: #9db2ce;

    font-size: 13px;
}


.footer-column {
    display: flex;

    flex-direction: column;

    gap: 12px;
}


.footer-column h4 {
    margin-bottom: 8px;

    color: #ffffff;

    font-size: 13px;
}


.footer-column a {
    color: #9db2ce;

    font-size: 12px;

    transition: color 0.2s ease;
}


.footer-column a:hover {
    color: #66c8ff;
}


/* ============================================================
   31. FOOTER BOTTOM
   ============================================================ */

.footer-bottom {
    display: flex;

    justify-content: space-between;

    gap: 20px;

    padding: 22px 0;

    border-top: 1px solid rgba(255, 255, 255, 0.10);

    color: #7188a6;

    font-size: 10px;
}


/* ============================================================
   32. TABLET RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1100px) {

    .navigation {
        gap: 17px;
    }

    .navigation a {
        font-size: 12px;
    }

    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impact-item:nth-child(2) {
        border-right: 0;
    }

    .technology-inner {
        gap: 40px;
    }

}


/* ============================================================
   33. MOBILE NAVIGATION
   ============================================================ */

@media (max-width: 850px) {

    .container {
        width: min(100% - 36px, 700px);
    }


    .header-inner {
        min-height: 76px;
    }


    .navigation {
        position: absolute;

        top: 76px;
        left: 18px;
        right: 18px;

        display: none;

        flex-direction: column;
        align-items: stretch;

        gap: 0;

        padding: 10px;

        border: 1px solid var(--border);
        border-radius: 18px;

        background: #ffffff;

        box-shadow: var(--shadow-soft);
    }


    .navigation.active {
        display: flex;
    }


    .navigation a {
        padding: 13px 15px;

        border-radius: 10px;
    }


    .navigation a.active::after {
        display: none;
    }


    .navigation a:hover {
        background: var(--blue-light);
    }


    .header-cta {
        display: none;
    }


    .menu-button {
        display: block;

        margin-left: auto;
    }


    .hero-inner {
        grid-template-columns: 1fr;
    }


    .hero-content {
        padding: 70px 0 50px;
    }


    .hero-visual {
        min-height: 500px;
    }


    .technology-inner {
        grid-template-columns: 1fr;
    }


    .technology-orbit {
        width: min(430px, 90vw);
        height: min(430px, 90vw);
    }


    .school-cta-inner {
        flex-direction: column;
        align-items: flex-start;

        padding: 45px 35px;
    }


    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

}


/* ============================================================
   34. SMALL MOBILE DEVICES
   ============================================================ */

@media (max-width: 600px) {

    .container {
        width: calc(100% - 28px);
    }


    .brand-copy strong {
        font-size: 17px;
    }


    .brand-copy small {
        font-size: 6px;
        letter-spacing: 1.3px;
    }


    .brand-mark {
        width: 40px;
        height: 40px;
    }


    .hero h1 {
        font-size: 43px;

        letter-spacing: -2px;
    }


    .hero-description {
        font-size: 15px;
    }


    .hero-actions {
        flex-direction: column;
    }


    .button {
        width: 100%;
    }


    .hero-visual {
        min-height: 440px;
    }


    .tech-stack {
        top: 15px;
        left: 15px;

        gap: 5px;
    }


    .tech-pill {
        width: 165px;

        padding: 7px 8px;
    }


    .tech-pill small {
        display: none;
    }


    .hero-video-badge {
        right: 14px;
        bottom: 14px;
    }


    .impact-grid {
        grid-template-columns: 1fr;
    }


    .impact-item,
    .impact-item:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    }


    .impact-item:last-child {
        border-bottom: 0;
    }


    .section {
        padding: 80px 0;
    }


    .service-grid {
        grid-template-columns: 1fr;
    }


    .service-card {
        min-height: 300px;
    }


    .technology-section {
        padding: 80px 0;
    }


    .technology-copy h2 {
        letter-spacing: -2px;
    }


    .technology-orbit {
        width: 320px;
        height: 320px;
    }


    .ring-one {
        width: 125px;
        height: 125px;
    }


    .ring-two {
        width: 215px;
        height: 215px;
    }


    .ring-three {
        width: 300px;
        height: 300px;
    }


    .orbit-core {
        width: 72px;
        height: 72px;

        font-size: 17px;
    }


    .orbit-node {
        padding: 7px 9px;

        font-size: 7px;
    }


    .school-cta {
        padding: 60px 0;
    }


    .school-cta-inner {
        padding: 35px 25px;
    }


    .footer-grid {
        grid-template-columns: 1fr;
    }


    .footer-bottom {
        flex-direction: column;
    }

}


/* ============================================================
   SILIBOT HERO IMAGE OVERRIDE
   Uses the clean student robotics image as the main visual.
   The image contains no duplicate website UI panels.
   ============================================================ */

.hero-visual {
    background: #dcecff;
}

.student-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}