/* ============================================================
   SREE DVR BROADBAND - MAIN STYLESHEET (BASE LAYOUTS & TRANSITIONS)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-white);
    color: var(--gray-700);
    line-height: 1.65;
    overflow-x: hidden;
}

/* --- Headings --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

ul, ol { list-style: none; }

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-light), var(--primary));
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--navy); }

/* --- Selection --- */
::selection {
    background-color: var(--primary);
    color: #ffffff;
}

/* --- Section spacing --- */
section { position: relative; }

/* ============================================================
   PROMOTIONAL RIBBON
   ============================================================ */
.promo-ribbon {
    background: linear-gradient(90deg, var(--navy) 0%, var(--primary) 50%, var(--secondary-dark) 100%);
    color: #fff;
    padding: 10px var(--space-lg);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    z-index: var(--z-max);
    letter-spacing: 0.01em;
}

.promo-ribbon.hidden { display: none; }

.promo-ribbon a {
    text-decoration: underline;
    font-weight: 700;
    color: #fff;
    opacity: 0.9;
}

.promo-ribbon a:hover { opacity: 1; }

.promo-ribbon .close-ribbon {
    position: absolute;
    right: var(--space-lg);
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.promo-ribbon .close-ribbon:hover { background: rgba(255,255,255,0.3); }

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.main-header {
    width: 100%;
    height: var(--header-height);
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid rgba(255,255,255,0.6);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: height var(--transition-normal), background var(--transition-normal), box-shadow var(--transition-normal);
}

.main-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: 0 4px 24px rgba(6, 38, 75, 0.10);
    height: 68px;
    background: rgba(255, 255, 255, 0.96);
}

.main-header.scrolled::after { opacity: 1; }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition-normal);
}

.brand-logo:hover { opacity: 0.9; transform: scale(1.02); }
.brand-logo img { height: 50px; width: auto; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.93rem;
    position: relative;
    padding: var(--space-xs) 2px;
    letter-spacing: 0.01em;
}

.nav-link:hover { color: var(--primary); }

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2.5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-link.active { color: var(--primary); font-weight: 700; }

/* --- Mobile Menu Toggle --- */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: var(--z-max);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.menu-toggle:hover { background: var(--gray-100); }

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--navy);
    margin: 5px 0;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
    background: var(--gradient-dark);
    color: var(--gray-400);
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-lg);
    border-top: none;
    position: relative;
    overflow: hidden;
}

/* Decorative orb behind footer */
.main-footer::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(10, 77, 140, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1.4fr 1.4fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
    position: relative;
}

.footer-brand .logo-img {
    height: 52px;
    width: auto;
    margin-bottom: var(--space-lg);
}

.footer-brand .footer-tagline {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--gray-400);
    margin-bottom: var(--space-lg);
    max-width: 280px;
}

.social-links { display: flex; gap: var(--space-sm); }

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    color: var(--gray-300);
    transition: var(--transition-normal);
    font-size: 18px;
}

.social-icon:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-secondary);
}

.footer-heading {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-sm);
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
    border-radius: var(--radius-full);
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.footer-links a::before {
    content: '›';
    color: var(--secondary);
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--transition-fast);
    font-size: 1rem;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}

.footer-links a:hover::before { opacity: 1; transform: translateX(0); }

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--secondary);
    margin-top: 3px;
    font-size: 18px;
    flex-shrink: 0;
}

.map-container-footer {
    height: 155px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: var(--space-sm);
    border: 1px solid rgba(255,255,255,0.08);
}

.map-container-footer iframe { width: 100%; height: 100%; border: 0; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    flex-wrap: wrap;
    gap: var(--space-md);
    color: var(--gray-400);
    position: relative;
}

.footer-bottom-links { display: flex; gap: var(--space-lg); }

.footer-bottom-links a { color: var(--gray-400); }
.footer-bottom-links a:hover { color: var(--secondary); }

.developer-credit {
    color: var(--gray-400);
    font-size: 0.82rem;
}

.developer-credit a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 700;
    transition: color var(--transition-fast);
}

.developer-credit a:hover {
    color: var(--secondary-light);
}

/* ============================================================
   GLOBAL SECTION HEADERS
   ============================================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(var(--secondary-rgb), 0.1);
    border: 1px solid rgba(var(--secondary-rgb), 0.25);
    color: var(--secondary-dark);
    padding: 5px 16px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    white-space: nowrap;
}

.section-title {
    font-size: clamp(1.7rem, 3.5vw, 2.4rem);
    color: var(--navy);
    margin-bottom: var(--space-md);
    line-height: 1.2;
    text-align: center;
}

.section-title strong,
.section-title .highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Divider accent line beneath section heading */
.section-header .divider-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    margin: var(--space-lg) auto 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}

@media (max-width: 768px) {
    :root { --header-height: 70px; }

    .menu-toggle { display: flex; flex-direction: column; }

    .nav-menu {
        display: none !important;
    }

    .nav-link { font-size: 1.1rem; width: 100%; }

    .nav-link::after { bottom: -4px; }

    .menu-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .menu-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

    .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }

    .footer-bottom { flex-direction: column; text-align: center; }
}


/* --- Global Grid Layouts --- */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

@media (max-width: 992px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}


/* --- Stats Band Grid --- */
.stats-band {
    background: var(--gray-50);
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}