/* MARK: Root */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-red: #8b0808;
    --bg-red-dark: #7a0606;
    --white: #ffffff;
    --btn-dark: #1a1a1a;
    --font-thai: 'IBM Plex Sans Thai', 'Sarabun', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-red);
    font-family: var(--font-thai);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
}

/* MARK: Layout */
main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

section {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 560px;
    text-align: center;
    gap: 0;
}

/* MARK: Logo */
.logo-wrap {
    margin-bottom: 24px;
}

.logo-wrap img {
    width: 160px;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 4px 16px rgba(0,0,0,0.25));
}

/* MARK: Company Name */
.company-name {
    font-family: var(--font-thai);
    font-size: 30px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.35;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 32px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* MARK: Circle Images */
.circle-grid {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 36px;
    width: 100%;
}

.circle-item {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid rgba(255,255,255,0.18);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.circle-item:hover {
    transform: translateY(-4px) scale(1.04);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.circle-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* MAKE: Tagline */
.tagline-wrap {
    margin-bottom: 8px;
}

.tagline-en {
    font-family: var(--font-thai);
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.tagline-th {
    font-family: var(--font-thai);
    font-size: 15px;
    font-weight: 400;
    color: var(--white);
    line-height: 1.9;
    opacity: 0.95;
}

/* MARK: CTA Button */
.btn-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: var(--btn-dark);
    color: var(--white);
    border-radius: 10px;
    padding: 18px 48px;
    margin-top: 28px;
    margin-bottom: 28px;
    transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    cursor: pointer;
}

.btn-profile:hover {
    background-color: #2a2a2a;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.btn-profile:active {
    transform: translateY(0);
}

.btn-profile svg {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
}

.btn-profile-text {
    font-family: var(--font-thai);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* MARK: Contact */
.contact-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--white);
    font-family: var(--font-thai);
    font-size: 15px;
    font-weight: 400;
}

.contact-label {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-right: 4px;
}

.contact-numbers {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 6px;
}

.contact-numbers span {
    white-space: nowrap;
}

@media (max-width: 1024px) {
    section {
        max-width: 520px;
    }

    .company-name {
        font-size: 28px;
    }

    .circle-item {
        width: 105px;
        height: 105px;
    }

    .tagline-en {
        font-size: 14.5px;
    }

    .tagline-th {
        font-size: 14.5px;
    }
}

@media (max-width: 600px) {
    main {
        padding: 32px 16px;
    }

    section {
        max-width: 100%;
    }

    .logo-wrap img {
        width: 120px;
    }

    .logo-wrap {
        margin-bottom: 18px;
    }

    .company-name {
        font-size: 21px;
        letter-spacing: 0.01em;
        margin-bottom: 24px;
    }

    .circle-grid {
        gap: 8px;
        margin-bottom: 28px;
    }

    .circle-item {
        width: 74px;
        height: 74px;
        border-width: 2px;
    }

    .tagline-en {
        font-size: 13px;
        letter-spacing: 0.05em;
    }

    .tagline-th {
        font-size: 13px;
        line-height: 1.8;
    }

    .btn-profile {
        padding: 15px 36px;
        gap: 10px;
        margin-top: 22px;
        margin-bottom: 22px;
    }

    .btn-profile svg {
        width: 22px;
        height: 22px;
    }

    .btn-profile-text {
        font-size: 17px;
    }

    .contact-row {
        font-size: 13px;
        gap: 6px;
    }
}

@media (max-width: 380px) {
    .circle-item {
        width: 62px;
        height: 62px;
    }

    .circle-grid {
        gap: 6px;
    }

    .company-name {
        font-size: 18px;
    }
}