/* =================================
   SLS WEBSITE — SHARED STYLES
================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+Myanmar:wght@400;500;600;700&family=Playfair+Display:wght@500;600;700&family=Great+Vibes&display=swap');

:root {
    --black: #111111;
    --white: #ffffff;
    --gray-100: #f7f7f5;
    --gray-200: #eeeeee;
    --gray-300: #e5e5e5;
    --gray-500: #666666;
    --gray-600: #555555;
    --gray-700: #444444;
    --max-width: 1200px;
    --nav-height: 90px;
    --font-sans: 'Inter', 'Noto Sans Myanmar', sans-serif;
    --font-display: 'Playfair Display', 'Noto Sans Myanmar', serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--white);
    color: var(--black);
    font-family: var(--font-sans);
    line-height: 1.6;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.35;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 1px solid var(--black);
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
}

.btn-outline {
    background: transparent;
    color: var(--black);
}

.btn-outline:hover {
    background: var(--black);
    color: var(--white);
}

.btn-dark {
    background: var(--black);
    color: var(--white);
}

.btn-dark:hover {
    background: #333;
}

.btn-muted {
    background: #ccc;
    color: var(--white);
    border-color: #ccc;
    cursor: not-allowed;
}

.btn-icon {
    font-size: 16px;
    line-height: 1;
}

/* =================================
   HEADER
================================= */

header {
    width: 100%;
    border-bottom: 1px solid var(--gray-200);
}

nav {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
}

/* Centered nav (home page) */
.nav-centered {
    justify-content: center;
}

.nav-centered .menu {
    gap: 48px;
}

/* Standard nav (inner pages) */
.nav-standard {
    justify-content: flex-start;
    gap: 0;
}

.nav-standard .logo img {
    width: 72px;
    height: auto;
}

.nav-standard .menu {
    margin-left: auto;
    flex: none;
    justify-content: flex-end;
    gap: 48px;
}

.logo img {
    width: 48px;
    height: auto;
}

.menu {
    display: flex;
    align-items: center;
}

.menu a {
    position: relative;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--black);
}

.menu a.active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 1px;
    background: var(--black);
}

.cta-button {
    background: var(--black);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #333;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--black);
    margin: 5px 0;
    transition: 0.3s;
}

/* =================================
   FOOTER — HOME (3 columns)
================================= */

footer {
    border-top: 1px solid var(--gray-200);
    margin-top: 80px;
}

.footer-home {
    padding: 70px 24px 30px;
}

.footer-home .footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
}

.footer-brand h3 {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    max-width: 280px;
    margin-bottom: 24px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.social-icons svg,
.social-row svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.footer-links h4,
.footer-contact h4 {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-links a {
    font-size: 15px;
    color: var(--gray-700);
}

.footer-links a:hover {
    color: var(--black);
}

.footer-contact p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.footer-contact a {
    font-size: 15px;
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid var(--gray-200);
    margin-top: 50px;
    padding-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--gray-500);
}

/* =================================
   FOOTER — INNER PAGES (4 columns)
================================= */

.footer-site {
    background: var(--gray-100);
    padding: 60px 24px 40px;
    margin-top: 80px;
}

.footer-site .footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.footer-site .footer-logo img {
    width: 56px;
    margin-bottom: 8px;
}

.footer-site h4 {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.footer-site .footer-links {
    gap: 12px;
}

.footer-site .footer-email {
    font-size: 15px;
    margin-bottom: 20px;
}

.footer-site .social-row {
    display: flex;
    gap: 12px;
}

.footer-site .social-row a {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    background: var(--white);
}

.footer-site .footer-copy {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* =================================
   SHARED SECTION UTILITIES
================================= */

.section-label {
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 24px;
}

.section-line {
    width: 40px;
    height: 1px;
    background: var(--black);
    margin: 32px auto;
}

.page-hero {
    text-align: center;
    padding: 80px 24px 60px;
}

.page-hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto 24px;
}

.page-hero p {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Newsletter bar (shared) */
.newsletter-bar {
    max-width: var(--max-width);
    margin: 60px auto;
    padding: 32px 40px;
    background: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.newsletter-bar .newsletter-icon {
    width: 48px;
    height: 48px;
    background: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.newsletter-bar .newsletter-text {
    flex: 1;
}

.newsletter-bar .newsletter-text h3 {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.newsletter-bar .newsletter-text p {
    font-size: 14px;
    color: var(--gray-500);
}

.newsletter-bar form {
    display: flex;
    flex-shrink: 0;
}

.newsletter-bar input {
    width: 280px;
    padding: 16px 20px;
    border: 1px solid var(--gray-300);
    border-left: none;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    background: var(--white);
}

.newsletter-bar input:focus {
    outline: none;
    border-color: var(--black);
}

.newsletter-bar button {
    background: var(--black);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

.newsletter-bar button:hover {
    background: #333;
}

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

@media (max-width: 900px) {
    .nav-standard .menu,
    .nav-centered .menu {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--gray-200);
        z-index: 100;
    }

    .nav-standard .menu.open,
    .nav-centered .menu.open {
        display: flex;
    }

    .nav-standard .cta-button {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .nav-centered {
        justify-content: space-between;
    }

    .footer-home .footer-container,
    .footer-site .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .newsletter-bar {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }

    .newsletter-bar form {
        width: 100%;
        flex-direction: column;
    }

    .newsletter-bar input {
        width: 100%;
        border: 1px solid var(--gray-300);
    }

    .newsletter-bar button {
        width: 100%;
    }
}

@media (max-width: 600px) {
    nav {
        height: 72px;
        padding: 0 16px;
    }

    .btn {
        width: 100%;
    }
}