/**
 * Zappi v2.0 - Premium Modern Dark Theme
 */

:root {
    /* Color Tokens */
    --clr-bg-base: #0B0E14;
    --clr-bg-dark: #080A0E;
    --clr-bg-card: rgba(18, 24, 38, 0.6);
    --clr-bg-card-hover: rgba(26, 35, 53, 0.8);

    --clr-cyan: #38B2AC;
    --clr-cyan-glow: rgba(56, 178, 172, 0.3);
    --clr-blue: #2979FF;
    --clr-blue-glow: rgba(41, 121, 255, 0.3);

    --clr-text-main: #F3F4F6;
    --clr-text-muted: #9CA3AF;
    --clr-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Layout */
    --section-padding: 6rem;
    --container-width: 1200px;
    --radius-md: 12px;
    --radius-lg: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg-base);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 700;
}

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

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: var(--section-padding) 0;
}

.bg-darker {
    background-color: var(--clr-bg-dark);
}

.bg-deep-dark {
    background-color: #050608;
    border-top: 1px solid var(--clr-border);
}

/* Typography Utilities */
.text-center {
    text-align: center;
}

.text-cyan {
    color: var(--clr-cyan);
}

.text-blue {
    color: var(--clr-blue);
}

.text-muted {
    color: var(--clr-text-muted);
}

.text-sm {
    font-size: 0.875rem;
}

.text-alert {
    color: #FF5252;
}

.text-gradient {
    background: linear-gradient(135deg, var(--clr-cyan), var(--clr-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-alt {
    background: linear-gradient(135deg, #fff, var(--clr-text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mt-5 {
    margin-top: 3rem;
}

.pt-3 {
    padding-top: 1rem;
}

.block {
    display: block;
}

.flex {
    display: flex;
}

.gap-2 {
    gap: 0.5rem;
}

.items-center {
    align-items: center;
}

.border-t {
    border-top: 1px solid var(--clr-border);
}

.max-w-3xl {
    max-width: 800px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-cyan), var(--clr-blue));
    color: #000;
    box-shadow: 0 4px 20px var(--clr-blue-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56, 178, 172, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--clr-cyan);
    color: var(--clr-cyan);
}

.btn-outline:hover {
    background: var(--clr-cyan-glow);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Shine effect */
.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 20%;
    height: 200%;
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(30deg);
    transition: 0.6s ease;
    opacity: 0;
}

.shine-effect:hover::after {
    left: 120%;
    opacity: 1;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(11, 14, 20, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    display: block;
    max-width: 100%;
    width: auto;
    object-fit: contain;
}

.logo-mark {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--clr-cyan);
    background: rgba(56, 178, 172, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--clr-cyan-glow);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--clr-text-muted);
}

.nav-links a:not(.btn):hover {
    color: var(--clr-cyan);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    transition: 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
}

.hamburger::before {
    transform: translateY(-8px);
}

.hamburger::after {
    transform: translateY(8px);
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    /* Offset for header */
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Hero graphic animation */
.tech-graphic {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background: radial-gradient(circle at center, rgba(41, 121, 255, 0.1) 0%, transparent 60%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle {
    position: absolute;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: spin 30s linear infinite;
}

.c1 {
    width: 300px;
    height: 300px;
}

.c2 {
    width: 450px;
    height: 450px;
    animation-direction: reverse;
    border-style: solid;
}

.gear-icon {
    width: 100px;
    height: 100px;
    color: var(--clr-cyan);
    animation: spin 15s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* === Sections === */
.section-title {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 1rem;
}

.section-lead {
    font-size: 1.125rem;
    color: var(--clr-text-muted);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    background: var(--clr-bg-card-hover);
    transform: translateY(-10px);
    border-color: var(--clr-cyan-glow);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.service-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(56, 178, 172, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--clr-cyan);
}

.service-icon {
    width: 30px;
    height: 30px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-tag {
    color: var(--clr-cyan);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.service-card p:not(.service-tag) {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

.hover-translate-x {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .hover-translate-x {
    transform: translateX(5px);
}

/* Methodology Steps */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem 2rem;
    position: relative;
    justify-content: center;
}

.step-item {
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: rgba(41, 121, 255, 0.1);
    border: 1px solid var(--clr-blue-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-blue);
    position: relative;
    z-index: 2;
}

.step-item h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.step-item p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

/* Philosophy Section */
.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.highlight-text {
    font-size: 1.25rem;
    border-left: 4px solid var(--clr-cyan);
    padding-left: 1.5rem;
    color: #fff;
}

.commitments-box {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.commitment-list {
    list-style: none;
}

.commitment-list li {
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--clr-text-muted);
}

.commitment-list li::before {
    content: "■";
    color: var(--clr-blue);
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.8rem;
}

.commitment-list li strong {
    color: #fff;
}

.commitment-list li:last-child {
    margin-bottom: 0;
}

/* Footer */
.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding: 4rem 1.5rem 2rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--clr-text-muted);
}

.footer-social a:hover {
    background: var(--clr-cyan-glow);
    color: var(--clr-cyan);
    transform: translateY(-3px);
}

.contact-link {
    color: var(--clr-cyan);
}

.contact-link:hover {
    text-decoration: underline;
}

/* === Animations & Utilities === */
.reveal-on-scroll {
    opacity: 0;
    transition: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

.slide-up-anim {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-anim {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.slide-up {
    transform: translateY(40px);
}

.fade-in {
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.2s;
    transition-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
    transition-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
    transition-delay: 0.6s;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* === Responsive Design === */
@media (max-width: 992px) {

    .hero-container,
    .philosophy-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        display: flex;
        justify-content: center;
    }

    .tech-graphic {
        width: 70%;
        margin: 0 auto;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-social,
    .contact-link {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
    }

    .mobile-menu-btn {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--clr-bg-dark);
        border-left: 1px solid var(--clr-border);
        flex-direction: column;
        justify-content: center;
        transition: 0.4s ease;
        padding: 2rem;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        right: 0;
    }

    /* Hamburger animation */
    .mobile-menu-btn.active .hamburger {
        background: transparent;
    }

    .mobile-menu-btn.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }

    .mobile-menu-btn.active .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hidden-mobile {
        display: none;
    }
}

/* === Module Detail Pages === */

/* Module Hero */
.pt-150 {
    padding-top: 150px;
}

.font-medium {
    font-weight: 500;
}

/* Grids */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.w-full {
    width: 100%;
}

.max-w-md {
    max-width: 28rem;
}

/* 448px */
.opacity-20 {
    opacity: 0.2;
}

.py-4 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Features Grid (8 items) */
.features-grid-8 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.feature-card h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    font-family: var(--font-body);
    font-weight: 700;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    position: relative;
    padding-left: 1rem;
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.feature-list li::before {
    content: "■";
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 0.6rem;
    color: var(--clr-text-muted);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Integrations */
.integration-block {
    margin-bottom: 3rem;
}

.integration-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.integration-logo {
    margin-bottom: 1rem;
    transition: var(--transition-fast);
}

.integration-item:hover .integration-logo {
    transform: translateY(-5px) scale(1.05);
}

/* Responsive Overrides */
@media (max-width: 768px) {

    .grid-2-col,
    .grid-3-col {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Horizontal Feature Cards */
.feature-card-horizontal {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: transparent;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.feature-card-horizontal:hover {
    background: var(--clr-bg-card);
    border-color: var(--clr-border);
    transform: translateY(-5px);
}

.feature-icon-lg {
    flex-shrink: 0;
}

.feature-card-horizontal h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Dashboards and Images */
.dashboard-block {
    position: relative;
}

.glow-blue {
    box-shadow: 0 0 30px rgba(41, 121, 255, 0.1);
}

.glow-cyan {
    box-shadow: 0 0 30px rgba(56, 178, 172, 0.1);
}

.mockup-img {
    transition: var(--transition-smooth);
}

.mockup-img:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Rounded Utilities */
.rounded {
    border-radius: 0.25rem;
}

.rounded-lg {
    border-radius: 0.5rem;
}

.p-2 {
    padding: 0.5rem;
}

.p-4 {
    padding: 1rem;
}

.p-5 {
    padding: 1.5rem;
}

.px-3 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.items-start {
    align-items: flex-start;
}

.inline-flex {
    display: inline-flex;
}

.bg-opacity-5 {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Responsive Overrides */
@media (max-width: 768px) {

    .grid-2-col,
    .grid-3-col {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-card-horizontal {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1rem;
    }

    .feature-list li {
        text-align: left;
        /* Keep bullets aligned left even if centered */
    }
}