/* ============================================
   NEXUSCLOUD — PREMIUM CLOUD HOSTING LANDING PAGE
   Style: Modern SaaS / Cloud Platform
   Palette: Blue primary, Dark secondary, Light bg
   Typography: DM Sans + Playfair Display
   ============================================ */

/* -------------------------
   CSS Custom Properties
   ------------------------- */
:root {
    /* Colors */
    --c-primary: #2563EB;
    --c-primary-dark: #1D4ED8;
    --c-primary-light: #3B82F6;
    --c-primary-glow: rgba(37, 99, 235, 0.15);
    --c-primary-subtle: #EFF6FF;

    --c-dark: #0F172A;
    --c-dark-800: #1E293B;
    --c-dark-700: #334155;
    --c-dark-600: #475569;
    --c-dark-500: #64748B;
    --c-dark-400: #94A3B8;
    --c-dark-300: #CBD5E1;
    --c-dark-200: #E2E8F0;
    --c-dark-100: #F1F5F9;
    --c-dark-50: #F8FAFC;

    --c-white: #FFFFFF;
    --c-bg: #F8FAFC;
    --c-success: #10B981;
    --c-warning: #FBBF24;
    --c-accent: #8B5CF6;

    /* Typography */
    --f-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --f-display: 'Playfair Display', Georgia, serif;

    --fs-xs: 0.75rem;    /* 12px */
    --fs-sm: 0.875rem;   /* 14px */
    --fs-base: 1rem;     /* 16px */
    --fs-md: 1.125rem;   /* 18px */
    --fs-lg: 1.25rem;    /* 20px */
    --fs-xl: 1.5rem;     /* 24px */
    --fs-2xl: 2rem;      /* 32px */
    --fs-3xl: 2.5rem;    /* 40px */
    --fs-4xl: 3rem;      /* 48px */
    --fs-5xl: 3.75rem;   /* 60px */

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --max-w: 1200px;
    --nav-h: 72px;

    /* Radius */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
    --r-xl: 24px;
    --r-full: 9999px;

    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md: 0 4px 16px rgba(15,23,42,0.06);
    --shadow-lg: 0 12px 40px rgba(15,23,42,0.08);
    --shadow-xl: 0 20px 60px rgba(15,23,42,0.10);
    --shadow-card: 0 1px 3px rgba(15,23,42,0.04), 0 8px 24px rgba(15,23,42,0.06);
    --shadow-card-hover: 0 4px 12px rgba(15,23,42,0.06), 0 20px 48px rgba(15,23,42,0.10);
    --shadow-blue: 0 8px 32px rgba(37,99,235,0.25);

    /* Transition */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --t-fast: 200ms;
    --t-base: 300ms;
    --t-slow: 500ms;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--f-body);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--c-dark-700);
    background-color: var(--c-white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section header reusable */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--c-primary-subtle);
    border-radius: var(--r-full);
}

.section-title {
    font-family: var(--f-display);
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--c-dark);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: var(--fs-md);
    color: var(--c-dark-500);
    line-height: 1.7;
}

/* -------------------------
   Buttons
   ------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
    padding: 10px 22px;
    border-radius: var(--r-md);
    transition: all var(--t-base) var(--ease);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--c-primary);
    color: var(--c-white);
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
    background: var(--c-primary-dark);
    box-shadow: var(--shadow-blue);
    transform: translateY(-1px);
}

.btn--outline {
    border: 1.5px solid var(--c-dark-300);
    color: var(--c-dark);
    background: var(--c-white);
}

.btn--outline:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: var(--c-primary-subtle);
}

.btn--ghost {
    color: var(--c-dark-600);
    padding: 10px 16px;
}

.btn--ghost:hover {
    color: var(--c-primary);
}

.btn--sm {
    padding: 8px 18px;
    font-size: var(--fs-sm);
}

.btn--lg {
    padding: 14px 32px;
    font-size: var(--fs-base);
    border-radius: var(--r-lg);
}

.btn--full {
    width: 100%;
}

/* -------------------------
   NAVBAR
   ------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--t-base) var(--ease);
}

.navbar--scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--c-dark-200);
    box-shadow: var(--shadow-sm);
}

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

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: var(--fs-lg);
    color: var(--c-dark);
    z-index: 1001;
}

.logo__text {
    letter-spacing: -0.02em;
}

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

.navbar__links a {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--c-dark-600);
    position: relative;
    padding: 4px 0;
}

.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px;
    transition: width var(--t-base) var(--ease);
}

.navbar__links a:hover {
    color: var(--c-primary);
}

.navbar__links a:hover::after {
    width: 100%;
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Hamburger */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    z-index: 1001;
    padding: 4px 0;
}

.navbar__hamburger span {
    display: block;
    height: 2px;
    background: var(--c-dark);
    border-radius: 2px;
    transition: all var(--t-base) var(--ease);
    transform-origin: center;
}

.navbar__hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar__hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* -------------------------
   HERO SECTION
   ------------------------- */
.hero {
    position: relative;
    padding: calc(var(--nav-h) + var(--space-5xl)) 0 var(--space-5xl);
    overflow: hidden;
    background: linear-gradient(180deg, var(--c-dark-50) 0%, var(--c-white) 100%);
}

/* Animated grid background */
.hero__grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero__glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, var(--c-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 16px;
    border-radius: var(--r-full);
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--c-dark-600);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.badge__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-success);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

.hero__title {
    font-family: var(--f-display);
    font-size: var(--fs-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--c-dark);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: var(--fs-md);
    color: var(--c-dark-500);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
}

/* Hero Stats */
.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    max-width: 580px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat__number {
    font-family: var(--f-display);
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--c-dark);
    line-height: 1;
}

.stat__suffix {
    font-family: var(--f-display);
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-primary);
}

.stat__label {
    display: block;
    font-size: var(--fs-xs);
    color: var(--c-dark-500);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.stat__divider {
    width: 1px;
    height: 40px;
    background: var(--c-dark-200);
}

/* -------------------------
   LOGOS BAR
   ------------------------- */
.logos-bar {
    padding: var(--space-3xl) 0;
    border-bottom: 1px solid var(--c-dark-100);
}

.logos-bar__label {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--c-dark-400);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

.logos-bar__track {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.logos-bar__item {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-dark-300);
    letter-spacing: -0.01em;
    transition: color var(--t-base) var(--ease);
    user-select: none;
}

.logos-bar__item:hover {
    color: var(--c-dark-500);
}

/* -------------------------
   FEATURES SECTION
   ------------------------- */
.features {
    padding: var(--space-5xl) 0;
    background: var(--c-white);
}

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

.feature-card {
    position: relative;
    padding: var(--space-2xl);
    border-radius: var(--r-lg);
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    transition: all var(--t-base) var(--ease);
    overflow: hidden;
}

.feature-card:hover {
    border-color: var(--c-primary-light);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.feature-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-card__icon--perf { background: #FEF3C7; color: #D97706; }
.feature-card__icon--secure { background: #DCFCE7; color: #16A34A; }
.feature-card__icon--support { background: #EDE9FE; color: #7C3AED; }
.feature-card__icon--deploy { background: #DBEAFE; color: #2563EB; }

.feature-card__title {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: var(--space-sm);
}

.feature-card__text {
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
    line-height: 1.7;
}

.feature-card__line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--c-primary);
    transform: scaleX(0);
    transition: transform var(--t-base) var(--ease);
    transform-origin: left;
}

.feature-card:hover .feature-card__line {
    transform: scaleX(1);
}

/* -------------------------
   SERVICES SECTION
   ------------------------- */
.services {
    padding: var(--space-5xl) 0;
    background: var(--c-dark-50);
}

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

.service-card {
    background: var(--c-white);
    border-radius: var(--r-xl);
    overflow: hidden;
    border: 1px solid var(--c-dark-200);
    transition: all var(--t-slow) var(--ease);
}

.service-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-6px);
}

.service-card__visual {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.service-card__visual--vps {
    background: linear-gradient(135deg, #1E3A5F 0%, #0F172A 100%);
}

.service-card__visual--dedicated {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
}

.service-card__visual--software {
    background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
}

.service-card__icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-white);
    transition: all var(--t-base) var(--ease);
}

.service-card:hover .service-card__icon-wrap {
    background: rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.3);
    transform: scale(1.05);
}

.service-card__body {
    padding: var(--space-xl);
}

.service-card__title {
    font-family: var(--f-display);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: var(--space-sm);
}

.service-card__text {
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-card__list {
    margin-bottom: var(--space-lg);
}

.service-card__list li {
    font-size: var(--fs-sm);
    color: var(--c-dark-600);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-primary);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-primary);
    transition: gap var(--t-base) var(--ease);
}

.service-card__link:hover {
    gap: var(--space-sm);
}

/* -------------------------
   PRICING SECTION
   ------------------------- */
.pricing {
    padding: var(--space-5xl) 0;
    background: var(--c-white);
}

.pricing__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.pricing__toggle-label {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--c-dark-400);
    transition: color var(--t-base) var(--ease);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.pricing__toggle-label--active {
    color: var(--c-dark);
    font-weight: 600;
}

.pricing__save-badge {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--c-success);
    background: #DCFCE7;
    padding: 2px 8px;
    border-radius: var(--r-full);
}

.pricing__toggle-switch {
    width: 48px;
    height: 26px;
    border-radius: var(--r-full);
    background: var(--c-dark-200);
    position: relative;
    transition: background var(--t-base) var(--ease);
    flex-shrink: 0;
}

.pricing__toggle-switch.active {
    background: var(--c-primary);
}

.pricing__toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--c-white);
    box-shadow: var(--shadow-sm);
    transition: transform var(--t-base) var(--ease-bounce);
}

.pricing__toggle-switch.active .pricing__toggle-knob {
    transform: translateX(22px);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.pricing-card {
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    border-radius: var(--r-xl);
    padding: var(--space-2xl);
    position: relative;
    transition: all var(--t-base) var(--ease);
}

.pricing-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.pricing-card--popular {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-blue);
    transform: scale(1.04);
    z-index: 1;
}

.pricing-card--popular:hover {
    transform: scale(1.04) translateY(-4px);
}

.pricing-card__badge {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--c-primary);
    color: var(--c-white);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--r-full);
    white-space: nowrap;
}

.pricing-card__header {
    margin-bottom: var(--space-xl);
}

.pricing-card__name {
    font-family: var(--f-display);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 4px;
}

.pricing-card__desc {
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--c-dark-100);
}

.pricing-card__currency {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--c-dark-500);
}

.pricing-card__amount {
    font-family: var(--f-display);
    font-size: var(--fs-4xl);
    font-weight: 800;
    color: var(--c-dark);
    line-height: 1;
    transition: all var(--t-base) var(--ease);
}

.pricing-card__period {
    font-size: var(--fs-sm);
    color: var(--c-dark-400);
    margin-left: 4px;
}

.pricing-card__features {
    margin-bottom: var(--space-xl);
}

.pricing-card__features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--c-dark-600);
    padding: 8px 0;
}

.pricing-card__features li svg {
    flex-shrink: 0;
    color: var(--c-success);
}

/* -------------------------
   WHY CHOOSE US
   ------------------------- */
.why-us {
    padding: var(--space-5xl) 0;
    background: var(--c-dark-50);
}

.why-us__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.why-us__content .section-header {
    text-align: left;
    margin: 0;
}

.why-us__content .section-tag {
    margin-bottom: var(--space-md);
}

.why-us__content .section-title {
    margin-bottom: var(--space-md);
}

.why-us__content .section-desc {
    margin-bottom: var(--space-2xl);
}

.why-us__items {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.why-us__item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.why-us__item-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--r-md);
    background: var(--c-primary-subtle);
    color: var(--c-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.why-us__item h4 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 4px;
}

.why-us__item p {
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
    line-height: 1.6;
}

/* Visual / floating cards side */
.why-us__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

.why-us__card-stack {
    position: relative;
    width: 100%;
    height: 400px;
}

.why-us__floating-card {
    position: absolute;
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    border-radius: var(--r-lg);
    padding: 12px 18px;
    box-shadow: var(--shadow-card);
    animation: float 4s ease-in-out infinite;
    z-index: 2;
}

.why-us__floating-card--1 {
    top: 20px;
    right: 20px;
    animation-delay: 0s;
}

.why-us__floating-card--2 {
    bottom: 60px;
    left: 10px;
    animation-delay: 1.2s;
}

.why-us__floating-card--3 {
    top: 50%;
    right: 0;
    animation-delay: 2.4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--c-dark);
    white-space: nowrap;
}

.mini-stat--green .mini-stat__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-success);
}

/* Server Rack Art */
.why-us__server-art {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.server-rack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px;
    background: var(--c-dark);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-dark-700);
}

.server-unit {
    width: 180px;
    height: 32px;
    background: var(--c-dark-800);
    border: 1px solid var(--c-dark-700);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
}

.server-led {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.server-led--green {
    background: var(--c-success);
    box-shadow: 0 0 6px rgba(16,185,129,0.5);
    animation: blink-led 3s infinite;
}

.server-led--blue {
    background: var(--c-primary-light);
    box-shadow: 0 0 6px rgba(59,130,246,0.5);
    animation: blink-led 2.5s infinite 0.5s;
}

.server-led--yellow {
    background: var(--c-warning);
    box-shadow: 0 0 6px rgba(251,191,36,0.5);
}

@keyframes blink-led {
    0%, 90%, 100% { opacity: 1; }
    95% { opacity: 0.3; }
}

/* -------------------------
   TESTIMONIALS
   ------------------------- */
.testimonials {
    padding: var(--space-5xl) 0;
    background: var(--c-white);
}

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

.testimonial-card {
    padding: var(--space-2xl);
    border: 1px solid var(--c-dark-200);
    border-radius: var(--r-xl);
    background: var(--c-white);
    transition: all var(--t-base) var(--ease);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-lg);
}

.testimonial-card__quote {
    font-size: var(--fs-base);
    color: var(--c-dark-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--c-white);
    flex-shrink: 0;
}

.testimonial-card__avatar--1 { background: linear-gradient(135deg, #2563EB, #1D4ED8); }
.testimonial-card__avatar--2 { background: linear-gradient(135deg, #7C3AED, #6D28D9); }
.testimonial-card__avatar--3 { background: linear-gradient(135deg, #0891B2, #0E7490); }

.testimonial-card__author strong {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--c-dark);
}

.testimonial-card__author span {
    font-size: var(--fs-xs);
    color: var(--c-dark-400);
}

/* -------------------------
   FAQ SECTION
   ------------------------- */
.faq {
    padding: var(--space-5xl) 0;
    background: var(--c-dark-50);
}

.faq__list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq-item {
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: all var(--t-base) var(--ease);
}

.faq-item.active {
    border-color: var(--c-primary-light);
    box-shadow: 0 0 0 3px var(--c-primary-glow);
}

.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--c-dark);
    text-align: left;
    cursor: pointer;
    transition: color var(--t-fast) var(--ease);
}

.faq-item__question:hover {
    color: var(--c-primary);
}

.faq-item__chevron {
    flex-shrink: 0;
    color: var(--c-dark-400);
    transition: transform var(--t-base) var(--ease);
}

.faq-item.active .faq-item__chevron {
    transform: rotate(180deg);
    color: var(--c-primary);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t-slow) var(--ease), padding var(--t-slow) var(--ease);
}

.faq-item__answer p {
    padding: 0 var(--space-xl) var(--space-lg);
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
    line-height: 1.7;
}

/* -------------------------
   NEWSLETTER / CTA
   ------------------------- */
.newsletter {
    padding: var(--space-5xl) 0;
    background: var(--c-white);
}

.newsletter__inner {
    background: linear-gradient(135deg, var(--c-dark) 0%, #1a2744 100%);
    border-radius: var(--r-xl);
    padding: var(--space-4xl);
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.newsletter__inner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.newsletter__content {
    flex: 1;
    position: relative;
}

.newsletter__title {
    font-family: var(--f-display);
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--c-white);
    margin-bottom: var(--space-sm);
}

.newsletter__text {
    font-size: var(--fs-base);
    color: var(--c-dark-400);
    line-height: 1.6;
}

.newsletter__form {
    flex: 1;
    position: relative;
}

.newsletter__input-wrap {
    display: flex;
    gap: var(--space-sm);
}

.newsletter__input {
    flex: 1;
    padding: 14px 20px;
    border-radius: var(--r-md);
    border: 1px solid var(--c-dark-700);
    background: var(--c-dark-800);
    color: var(--c-white);
    font-family: var(--f-body);
    font-size: var(--fs-sm);
    transition: border-color var(--t-fast) var(--ease);
    outline: none;
}

.newsletter__input::placeholder {
    color: var(--c-dark-500);
}

.newsletter__input:focus {
    border-color: var(--c-primary);
}

.newsletter__btn {
    flex-shrink: 0;
}

.newsletter__disclaimer {
    font-size: var(--fs-xs);
    color: var(--c-dark-500);
    margin-top: var(--space-sm);
}

.newsletter__success {
    display: none;
    font-size: var(--fs-sm);
    color: var(--c-success);
    margin-top: var(--space-sm);
    font-weight: 500;
}

.newsletter__success.show {
    display: block;
}

/* -------------------------
   FOOTER
   ------------------------- */
.footer {
    padding: var(--space-4xl) 0 0;
    background: var(--c-dark-50);
    border-top: 1px solid var(--c-dark-200);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
}

.footer__tagline {
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
    margin-top: var(--space-md);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
    max-width: 280px;
}

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

.footer__social-link {
    width: 36px;
    height: 36px;
    border-radius: var(--r-md);
    background: var(--c-white);
    border: 1px solid var(--c-dark-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-dark-500);
    transition: all var(--t-fast) var(--ease);
}

.footer__social-link:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-white);
}

.footer__heading {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--c-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-lg);
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
    transition: color var(--t-fast) var(--ease);
}

.footer__links a:hover {
    color: var(--c-primary);
}

.footer__contact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--c-dark-500);
}

.footer__contact-list li svg {
    flex-shrink: 0;
    color: var(--c-dark-400);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--c-dark-200);
    font-size: var(--fs-sm);
    color: var(--c-dark-400);
}

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

.footer__bottom-links a {
    color: var(--c-dark-400);
}

.footer__bottom-links a:hover {
    color: var(--c-primary);
}

/* -------------------------
   BACK TO TOP
   ------------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--c-primary);
    color: var(--c-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-blue);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--t-base) var(--ease);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--c-primary-dark);
    transform: translateY(-2px);
}

/* -------------------------
   ANIMATIONS
   ------------------------- */
.anim-fade-up {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.7s var(--ease) forwards;
}

.anim-delay-1 { animation-delay: 0.15s; }
.anim-delay-2 { animation-delay: 0.3s; }
.anim-delay-3 { animation-delay: 0.45s; }
.anim-delay-4 { animation-delay: 0.6s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered animations */
.anim-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.anim-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* -------------------------
   RESPONSIVE DESIGN
   ------------------------- */

/* Tablet */
@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .services__grid .service-card:last-child {
        grid-column: span 2;
        max-width: 500px;
        justify-self: center;
    }

    .pricing__grid {
        gap: var(--space-lg);
    }

    .why-us__inner {
        gap: var(--space-2xl);
    }

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

    .testimonials__grid .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 500px;
        justify-self: center;
    }

    .footer__grid {
        grid-template-columns: 1.5fr repeat(2, 1fr);
        gap: var(--space-xl);
    }

    .footer__brand {
        grid-column: span 3;
        margin-bottom: var(--space-lg);
    }
}

/* Small Tablet / Large Phone */
@media (max-width: 768px) {
    :root {
        --fs-5xl: 2.5rem;
        --fs-4xl: 2.25rem;
        --fs-3xl: 2rem;
        --fs-2xl: 1.75rem;
    }

    /* Nav mobile */
    .navbar__links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--c-white);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--nav-h) + var(--space-xl)) var(--space-xl);
        gap: var(--space-lg);
        box-shadow: var(--shadow-xl);
        transition: right var(--t-base) var(--ease);
        z-index: 1000;
    }

    .navbar__links.open {
        right: 0;
    }

    .navbar__links a {
        font-size: var(--fs-base);
    }

    .navbar__actions {
        display: none;
    }

    .navbar__hamburger {
        display: flex;
    }

    /* Mobile overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--t-base) var(--ease);
        z-index: 999;
    }

    .nav-overlay.show {
        opacity: 1;
        visibility: visible;
    }

    /* Hero */
    .hero {
        padding-top: calc(var(--nav-h) + var(--space-3xl));
        padding-bottom: var(--space-3xl);
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }

    .stat__divider {
        width: 60px;
        height: 1px;
    }

    .hero__cta {
        flex-direction: column;
        margin-bottom: var(--space-3xl);
    }

    .hero__cta .btn {
        width: 100%;
        max-width: 280px;
    }

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

    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
    }

    .services__grid .service-card:last-child {
        grid-column: auto;
        max-width: none;
    }

    /* Pricing */
    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }

    .pricing-card--popular {
        transform: none;
    }

    .pricing-card--popular:hover {
        transform: translateY(-4px);
    }

    /* Why Us */
    .why-us__inner {
        grid-template-columns: 1fr;
    }

    .why-us__visual {
        min-height: 320px;
    }

    /* Testimonials */
    .testimonials__grid {
        grid-template-columns: 1fr;
    }

    .testimonials__grid .testimonial-card:last-child {
        grid-column: auto;
        max-width: none;
    }

    /* Newsletter */
    .newsletter__inner {
        flex-direction: column;
        padding: var(--space-2xl);
        text-align: center;
    }

    .newsletter__input-wrap {
        flex-direction: column;
    }

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer__brand {
        grid-column: span 2;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* Phone */
@media (max-width: 480px) {
    :root {
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.5rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .logos-bar__track {
        gap: var(--space-xl);
    }

    .logos-bar__item {
        font-size: var(--fs-base);
    }

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

    .footer__brand {
        grid-column: auto;
    }

    .newsletter__inner {
        padding: var(--space-xl);
    }

    .why-us__visual {
        min-height: 280px;
    }

    .server-unit {
        width: 140px;
    }
}