/* 
    ======================================
    ENTERPRISE DESIGN SYSTEM (GOOGLE/AWS LEVEL)
    ======================================
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Enterprise Color Palette */
    --color-bg: #ffffff;
    --color-surface: #f8f9fa; /* Google gray-50 */
    --color-surface-hover: #f1f3f4;
    --color-border: #dadce0; /* Google border */
    --color-border-dark: #bdc1c6;
    
    /* Brand Colors */
    --primary: #E8491D; /* Real Kepenk Orange */
    --primary-hover: #D73C12;
    --primary-light: rgba(232, 73, 29, 0.1);
    
    --secondary: #202124; /* Google text black */
    --secondary-hover: #3c4043;
    
    /* Text Colors */
    --text-primary: #202124;
    --text-secondary: #5f6368; /* Google text gray */
    --text-tertiary: #80868b;
    --text-inverse: #ffffff;
    
    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Specs */
    --container-max-width: 1280px;
    --radius-sm: 4px;
    --radius-md: 8px; /* AWS/Google style subtle rounded */
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Elevation (Shadows) */
    --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15); /* Material Level 1 */
    --shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15); /* Material Level 2 */
    --shadow-lg: 0 2px 6px 2px rgba(60,64,67,0.15), 0 8px 12px 6px rgba(60,64,67,0.15); /* Material Level 3 */
    
    /* Transitions */
    --trans-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1); /* Standard Material easing */
    --trans-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --trans-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Base Typo */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

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

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

ul { list-style: none; }

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================
    ENTERPRISE BUTTONS
============================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm); /* Standard enterprise rounding */
    cursor: pointer;
    transition: background var(--trans-fast), box-shadow var(--trans-fast), transform var(--trans-fast), color var(--trans-fast);
    border: 1px solid transparent;
    text-decoration: none;
    position: relative;
    overflow: hidden; /* For Ripple */
}

/* Material Ripple Effect Base */
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    background-color: rgba(255, 255, 255, 0.3);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-inverse);
    box-shadow: 0 1px 2px 0 rgba(60,64,67,0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
    color: var(--text-inverse);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--color-border-dark);
}

.btn-outline .ripple { background-color: var(--primary-light); }

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

.btn-text {
    background: transparent;
    color: var(--secondary);
    padding: 10px 16px;
}

.btn-text .ripple { background-color: rgba(0,0,0,0.05); }

.btn-text:hover {
    background-color: rgba(60,64,67,0.04);
}

/* ============================
    ENTERPRISE CARDS
============================ */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--trans-normal), transform var(--trans-normal), border-color var(--trans-normal);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-sm); /* Subtle lift like Google Workspace */
}

.card-content {
    padding: 24px;
}

/* ============================
    TYPOGRAPHY UTILS
============================ */
.sec-subtitle {
    display: inline-block;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.sec-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.sec-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px auto;
}

/* ============================
    SECTION SPACING
============================ */
section {
    padding: 80px 0;
}
.bg-surface {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

/* ============================
    FORMS & INPUTS (Material/AWS style)
============================ */
.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.form-control:hover {
    border-color: var(--text-secondary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

/* ============================
    BADGES
============================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: var(--color-surface-hover);
    color: var(--text-secondary);
    border: 1px solid var(--color-border);
}
.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(232, 73, 29, 0.2);
}

/* ============================
    TOP BAR (AWS Style)
============================ */
.top-bar {
    background: var(--secondary);
    color: var(--text-inverse);
    padding: 8px 0;
    font-size: 0.8125rem;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar a, .top-bar-left span {
    color: #e8eaed;
    text-decoration: none;
    margin-right: 24px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.top-bar a:hover {
    color: #fff;
    text-decoration: underline;
}

/* ============================
    NAVBAR (Google Style)
============================ */
.navbar {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--trans-fast);
}
.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}
.navbar-brand img {
    height: 48px;
    display: block;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px; /* For hover backgrounds */
}
.nav-menu a:not(.btn) {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--trans-fast), background var(--trans-fast);
}
.nav-menu a:not(.btn):hover, .nav-menu a:not(.btn).active {
    color: var(--text-primary);
    background: var(--color-surface);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
}
.hamburger:hover { background: var(--color-surface); }
.hamburger span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    transition: var(--trans-normal);
}

@media(max-width: 991px) {
    .top-bar { display: none; }
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed;
        top: 72px; left: -100%;
        width: 100%; height: calc(100vh - 72px);
        background: var(--color-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 16px;
        transition: left var(--trans-normal);
        overflow-y: auto;
    }
    .nav-menu.active { left: 0; border-top: 1px solid var(--color-border); }
    .nav-menu a:not(.btn) { width: 100%; }
    .navbar-brand img { height: 40px; }
}

/* ============================
    HERO SECTION
============================ */
.hero {
    position: relative;
    padding: 80px 0;
    background: var(--color-bg);
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 24px;
}
.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}
.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.hero-image img {
    width: 100%;
    display: block;
    object-fit: cover;
}

@media(max-width: 991px) {
    .hero { padding: 40px 0 60px 0; }
    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-content p { margin: 0 auto 32px auto; }
    .hero-btns { justify-content: center; }
}

/* ============================
    SERVICE CARDS
============================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.service-card {
    display: flex;
    flex-direction: column;
    padding: 32px;
    border-radius: var(--radius-md); /* Less aggressive rounding for enterprise */
}
.service-card .icon-wrapper {
    width: 48px; height: 48px;
    background: var(--color-surface);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex; justify-content: center; align-items: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}
.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}
.service-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}
.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.95rem;
}
.service-link i { transition: transform var(--trans-fast); }
.service-card:hover .service-link i { transform: translateX(4px); }

/* ============================
    ABOUT SECTION (Two column text-heavy)
============================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.about-image img { width: 100%; display: block; }

@media(max-width: 991px) { .about-grid { grid-template-columns: 1fr; } }

/* ============================
    COUNTERS
============================ */
.counters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}
.counter-item {
    padding: 32px;
}
.counter-item i {
    font-size: 2rem; color: var(--primary); margin-bottom: 16px;
}
.counter-num {
    font-size: 3rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px;
}

/* ============================
    REFERENCES (Grid & Image handling)
============================ */
.reference-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: default;
}
.reference-card img {
    width: 100%; height: 240px; object-fit: cover;
    display: block; transition: transform var(--trans-slow);
}
.reference-card:hover img { transform: scale(1.03); }
.reference-overlay {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    background: linear-gradient(to top, rgba(32,33,36,0.9), rgba(32,33,36,0));
    padding: 60px 24px 24px 24px;
    color: #fff;
}
.reference-overlay h3 { color: #fff; font-size: 1.125rem; margin-bottom: 4px; }
.reference-overlay p { font-size: 0.875rem; color: #e8eaed; }

/* ============================
    CTA SECTION
============================ */
.cta-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 64px;
    text-align: center;
    margin: 80px 0;
}
.cta-section h2 { font-size: 2.25rem; margin-bottom: 16px; }

/* ============================
    FOOTER
============================ */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding-top: 64px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-logo img { height: 40px; margin-bottom: 16px; border-radius: 4px; }
.footer-title {
    font-size: 1rem; color: var(--text-primary); margin-bottom: 20px; font-weight: 600;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--text-secondary); font-size: 0.95rem; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    display: flex; justify-content: space-between;
    color: var(--text-secondary); font-size: 0.875rem;
}
@media(max-width: 991px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media(max-width: 576px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction:column; text-align:center; gap:16px;} }

/* ============================
    MISC
============================ */
.float-whatsapp {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 56px; height: 56px;
    background: #25d366; color: #fff; border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    font-size: 1.75rem;
    box-shadow: var(--shadow-md);
    z-index: 100; transition: transform var(--trans-fast);
}
.float-whatsapp:hover { transform: scale(1.05); }

/* List Style Check */
.check-list { list-style: none; }
.check-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}
.check-list li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0; top: 0;
    color: var(--primary);
    font-size: 1.2rem;
}