/* ======================================================
   RLOOP GLOBAL VARIABLES
====================================================== */

:root {
    --rloop-yellow: #fbbf24;
    --rloop-yellow-dark: #d99a05;
    --rloop-yellow-soft: #fef3c7;

    --rloop-dark: #111827;
    --rloop-black: #0b0f19;

    --rloop-gray: #6b7280;
    --rloop-gray-dark: #4b5563;
    --rloop-gray-light: #9ca3af;

    --rloop-light: #f8fafc;
    --rloop-border: #e5e7eb;
    --rloop-white: #ffffff;

    --rloop-success: #16a34a;
}


/* ======================================================
   RESET AND GLOBAL STYLES
====================================================== */

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: var(--rloop-white);
    color: var(--rloop-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

main {
    min-height: 80vh;
}

section {
    position: relative;
    overflow: hidden;
}

img {
    max-width: 100%;
}

a {
    transition: all 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--rloop-dark);
    letter-spacing: -0.025em;
}

p {
    color: var(--rloop-gray-dark);
}

.text-uppercase {
    letter-spacing: 0.1em;
}

.text-muted {
    color: #667085 !important;
}


/* ======================================================
   BOOTSTRAP COLOR OVERRIDES
====================================================== */

.bg-dark {
    background-color: var(--rloop-dark) !important;
}

.bg-light {
    background-color: var(--rloop-light) !important;
}

.bg-warning {
    background-color: var(--rloop-yellow) !important;
}

.bg-warning-subtle {
    background-color: var(--rloop-yellow-soft) !important;
}

.text-warning {
    color: var(--rloop-yellow) !important;
}

.text-warning-emphasis {
    color: #8a5b00 !important;
}

.border-warning {
    border-color: var(--rloop-yellow) !important;
}

.text-white-50 {
    color: rgba(255, 255, 255, 0.68) !important;
}

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5,
.bg-dark h6 {
    color: var(--rloop-white);
}

.bg-dark p {
    color: rgba(255, 255, 255, 0.68);
}

.bg-light h1,
.bg-light h2,
.bg-light h3,
.bg-light h4,
.bg-light h5,
.bg-light h6 {
    color: var(--rloop-dark);
}

.bg-light p {
    color: #566070;
}


/* ======================================================
   NAVBAR
====================================================== */

.navbar {
    min-height: 88px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    background-color: var(--rloop-white) !important;
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
    z-index: 1030;
}

.navbar.sticky-top {
    z-index: 1030;
}

.navbar-brand {
    display: flex;
    align-items: center;
    margin-right: 1.5rem;
}

.navbar-logo {
    height: 76px;
    width: auto;
    max-width: 190px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.navbar-logo:hover {
    transform: scale(1.04);
}

.navbar-toggler {
    padding: 0.45rem 0.6rem;
    border-radius: 12px;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(251, 191, 36, 0.25);
}

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

.navbar .nav-link {
    position: relative;
    color: var(--rloop-dark);
    font-weight: 700;
    text-decoration: none;
    padding: 0.8rem 1rem !important;
    border-radius: 10px;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active,
.navbar .nav-link.show {
    color: var(--rloop-yellow-dark);
}

.navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.35rem;
    height: 2px;
    background-color: var(--rloop-yellow);
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after,
.navbar .nav-link.show::after {
    transform: scaleX(1);
}

.navbar .dropdown-menu {
    min-width: 320px;
    margin-top: 0.75rem;
    padding: 0.5rem;
    border: 1px solid rgba(229, 231, 235, 0.9);
    border-radius: 18px;
    background-color: var(--rloop-white);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.14);
}

.navbar .dropdown-item {
    padding: 0.75rem;
    color: var(--rloop-dark);
    white-space: normal;
    border-radius: 12px;
    transition:
        background-color 0.25s ease,
        transform 0.25s ease,
        color 0.25s ease;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    color: var(--rloop-dark);
    background-color: var(--rloop-light);
    transform: translateX(3px);
}

.navbar .dropdown-item:active {
    color: var(--rloop-dark);
    background-color: var(--rloop-yellow);
}

.navbar .dropdown-item strong {
    color: var(--rloop-dark);
}

.navbar .dropdown-item small {
    line-height: 1.35;
}

.navbar .btn {
    white-space: nowrap;
}


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

.btn {
    border-radius: 999px;
    font-weight: 700;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        background-color 0.3s ease,
        border-color 0.3s ease,
        color 0.3s ease;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-warning {
    color: var(--rloop-dark);
    background-color: var(--rloop-yellow);
    border-color: var(--rloop-yellow);
}

.btn-warning:hover,
.btn-warning:focus {
    color: var(--rloop-dark);
    background-color: var(--rloop-yellow-dark);
    border-color: var(--rloop-yellow-dark);
    box-shadow: 0 14px 28px rgba(251, 191, 36, 0.28);
}

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

.btn-dark:hover,
.btn-dark:focus {
    color: var(--rloop-white);
    background-color: var(--rloop-black);
    border-color: var(--rloop-black);
    box-shadow: 0 14px 28px rgba(17, 24, 39, 0.22);
}

.btn-outline-dark {
    color: var(--rloop-dark);
    border-color: var(--rloop-dark);
}

.btn-outline-dark:hover,
.btn-outline-dark:focus {
    color: var(--rloop-white);
    background-color: var(--rloop-dark);
    border-color: var(--rloop-dark);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    color: var(--rloop-dark);
    background-color: var(--rloop-white);
    border-color: var(--rloop-white);
}


/* ======================================================
   HERO SECTIONS
====================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    color: var(--rloop-white);
    background:
        radial-gradient(
            circle at 80% 20%,
            rgba(251, 191, 36, 0.18),
            transparent 34%
        ),
        linear-gradient(
            135deg,
            #0b0f19 0%,
            #111827 55%,
            #1f2937 100%
        );
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: "";
    position: absolute;
    width: 440px;
    height: 440px;
    top: -180px;
    right: -180px;
    border-radius: 50%;
    background-color: rgba(251, 191, 36, 0.12);
    filter: blur(10px);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: var(--rloop-white);
    line-height: 1.05;
    letter-spacing: -0.055em;
}

.hero p,
.hero small {
    color: rgba(255, 255, 255, 0.72);
}

.hero img {
    width: 100%;
    max-height: 650px;
    object-fit: contain;
    filter: drop-shadow(0 35px 55px rgba(0, 0, 0, 0.35));
}


/* ======================================================
   CARDS
====================================================== */

.card {
    overflow: hidden;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 22px;
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease,
        border-color 0.35s ease;
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(251, 191, 36, 0.5);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
}

.card h3,
.card h4,
.card h5 {
    color: var(--rloop-dark);
}

.card p {
    color: #596273;
}


/* ======================================================
   BORDER RADIUS AND SHADOW HELPERS
====================================================== */

.rounded-4 {
    border-radius: 1.25rem !important;
}

.rounded-5 {
    border-radius: 1.75rem !important;
}

.shadow-sm {
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.07) !important;
}

.shadow-lg {
    box-shadow: 0 30px 70px rgba(15, 23, 42, 0.2) !important;
}

.bg-white.rounded-4,
.bg-white.rounded-5 {
    border: 1px solid rgba(229, 231, 235, 0.9);
}


/* ======================================================
   DASHBOARD PREVIEW
====================================================== */

.dashboard-preview {
    position: relative;
    background-color: var(--rloop-white);
    border: 1px solid var(--rloop-border);
    border-radius: 28px;
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.28);
}

.dashboard-preview::after {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    bottom: -28px;
    height: 35px;
    background-color: rgba(0, 0, 0, 0.2);
    filter: blur(22px);
    border-radius: 50%;
    z-index: -1;
}

.metric-card {
    border-radius: 20px;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.12);
}

.chart-bar {
    min-height: 20px;
    border-radius: 8px 8px 0 0;
    transition:
        height 0.4s ease,
        opacity 0.3s ease;
}

.chart-bar:hover {
    opacity: 0.75;
}


/* ======================================================
   PLATFORM FEATURE CARDS
====================================================== */

.platform-card {
    position: relative;
    overflow: hidden;
    height: 100%;
    padding: 2rem;
    background-color: var(--rloop-white);
    border: 1px solid var(--rloop-border);
    border-radius: 24px;
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease,
        border-color 0.35s ease;
}

.platform-card::before {
    content: "";
    position: absolute;
    width: 110px;
    height: 110px;
    top: -60px;
    right: -60px;
    border-radius: 50%;
    background-color: rgba(251, 191, 36, 0.13);
    transition: transform 0.35s ease;
}

.platform-card:hover {
    transform: translateY(-9px);
    border-color: var(--rloop-yellow);
    box-shadow: 0 24px 55px rgba(15, 23, 42, 0.11);
}

.platform-card:hover::before {
    transform: scale(1.35);
}

.platform-card h3 {
    font-weight: 800;
}

.platform-card p {
    color: var(--rloop-gray);
    line-height: 1.75;
}


/* ======================================================
   ICON BOXES
====================================================== */

.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    color: var(--rloop-dark);
    background-color: var(--rloop-yellow);
    font-size: 1.4rem;
    box-shadow: 0 12px 25px rgba(251, 191, 36, 0.24);
}


/* ======================================================
   SERVICES PAGE
====================================================== */

.service-card {
    position: relative;
    overflow: hidden;
    background-color: var(--rloop-white);
    border: none;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease;
}

.service-card::after {
    content: "";
    position: absolute;
    width: 120px;
    height: 120px;
    top: -65px;
    right: -65px;
    border-radius: 50%;
    background-color: rgba(251, 191, 36, 0.13);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.14);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 74px;
    height: 74px;
    margin-bottom: 1.25rem;
    border-radius: 20px;
    color: var(--rloop-dark);
    background-color: var(--rloop-yellow);
    font-size: 2rem;
    box-shadow: 0 14px 28px rgba(251, 191, 36, 0.24);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-weight: 800;
}

.service-card p {
    color: var(--rloop-gray);
    line-height: 1.75;
}

.special-service {
    position: relative;
    overflow: hidden;
    padding: 60px;
    color: var(--rloop-white);
    background:
        radial-gradient(
            circle at 100% 0%,
            rgba(251, 191, 36, 0.22),
            transparent 32%
        ),
        var(--rloop-dark);
    border-radius: 28px;
}

.special-service::before {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    left: -80px;
    bottom: -100px;
    border-radius: 50%;
    background-color: rgba(251, 191, 36, 0.08);
}

.special-service h2,
.special-service h3 {
    color: var(--rloop-white);
}

.special-service p {
    color: #d1d5db;
}


/* ======================================================
   ENGINEERING SECTIONS
====================================================== */

.engineering-grid-card {
    height: 100%;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 22px;
    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        background-color 0.3s ease;
}

.engineering-grid-card:hover {
    transform: translateY(-6px);
    border-color: var(--rloop-yellow);
    background-color: rgba(255, 255, 255, 0.06);
}

.engineering-grid-card h3 {
    color: var(--rloop-white);
}

.engineering-grid-card p {
    color: rgba(255, 255, 255, 0.62);
}


/* ======================================================
   WORKFLOW STEPS
====================================================== */

.workflow-step {
    position: relative;
    padding: 1.75rem;
    text-align: center;
}

.workflow-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 66px;
    height: 66px;
    margin-bottom: 1rem;
    color: var(--rloop-yellow);
    background-color: var(--rloop-dark);
    border-radius: 50%;
    font-size: 1.15rem;
    font-weight: 800;
    box-shadow: 0 12px 25px rgba(15, 23, 42, 0.18);
}

.workflow-step:last-child .workflow-number {
    color: var(--rloop-dark);
    background-color: var(--rloop-yellow);
}


/* ======================================================
   BADGES
====================================================== */

.badge {
    letter-spacing: 0.01em;
}

.badge.bg-dark {
    transition:
        transform 0.3s ease,
        background-color 0.3s ease;
}

.badge.bg-dark:hover {
    transform: translateY(-3px);
    background-color: var(--rloop-black) !important;
}


/* ======================================================
   FORMS
====================================================== */

.form-control,
.form-select {
    min-height: 50px;
    border: 1px solid var(--rloop-border);
    border-radius: 14px;
    padding: 0.75rem 1rem;
    transition:
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

textarea.form-control {
    min-height: 140px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--rloop-yellow);
    box-shadow: 0 0 0 0.2rem rgba(251, 191, 36, 0.2);
}

.form-label {
    color: var(--rloop-dark);
    font-weight: 700;
}


/* =========================================================
   RLOOP FOOTER
========================================================= */

.footer a {
    transition:
        color 0.2s ease,
        transform 0.2s ease,
        opacity 0.2s ease;
}

.footer ul a:hover {
    color: #ffc107 !important;
    transform: translateX(4px);
}

.footer a[href^="tel:"]:hover,
.footer a[href^="mailto:"]:hover {
    color: #ffc107 !important;
}

.footer .btn-warning:hover {
    transform: translateY(-2px);
}

.footer .btn-outline-light:hover {
    transform: translateY(-2px);
}

/* ======================================================
   RESPONSIVE — LARGE TABLETS
====================================================== */

@media (max-width: 1199.98px) {

    .navbar-logo {
        height: 70px;
        max-width: 170px;
    }

    .hero h1,
    .display-2 {
        font-size: 4rem;
    }

}


/* ======================================================
   RESPONSIVE — TABLETS AND MOBILE NAVBAR
====================================================== */

@media (max-width: 991.98px) {

    .navbar {
        min-height: 76px;
        padding-top: 0.4rem;
        padding-bottom: 0.4rem;
    }

    .navbar-logo {
        height: 62px;
        max-width: 155px;
    }

    .navbar-collapse {
        margin-top: 0.75rem;
        padding: 1rem;
        background-color: var(--rloop-white);
        border: 1px solid var(--rloop-border);
        border-radius: 18px;
        box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
    }

    .navbar .navbar-nav {
        align-items: stretch;
    }

    .navbar .nav-link {
        padding: 0.8rem 0.5rem !important;
    }

    .navbar .nav-link::after {
        left: 0.5rem;
        right: auto;
        width: 38px;
        bottom: 0.35rem;
        transform-origin: left;
    }

    .navbar .dropdown-menu {
        min-width: 100%;
        margin-top: 0.25rem;
        border: 1px solid var(--rloop-border);
        box-shadow: none;
    }

    .navbar .dropdown-item:hover,
    .navbar .dropdown-item:focus {
        transform: none;
    }

    .navbar .btn {
        width: 100%;
    }

    .hero {
        min-height: auto;
    }

    .hero .min-vh-100 {
        min-height: auto !important;
        padding-top: 5rem;
        padding-bottom: 5rem;
    }

    .hero h1,
    .display-2 {
        font-size: 3.35rem;
    }

    .hero img {
        max-height: 480px;
        margin-top: 2rem;
    }

    .special-service {
        padding: 45px 35px;
    }

}


/* ======================================================
   RESPONSIVE — SMALL TABLETS
====================================================== */

@media (max-width: 767.98px) {

    body {
        font-size: 0.98rem;
    }

    .navbar-logo {
        height: 58px;
        max-width: 145px;
    }

    .hero h1,
    .display-2 {
        font-size: 2.75rem;
        line-height: 1.08;
    }

    .display-4 {
        font-size: 2.35rem;
    }

    .display-5 {
        font-size: 2rem;
    }

    .lead {
        font-size: 1.05rem;
    }

    .btn-lg {
        width: 100%;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }

    .hero .d-flex.flex-wrap {
        flex-direction: column;
    }

    .hero img {
        max-height: 380px;
    }

    .special-service {
        padding: 35px 24px;
    }

    .platform-card,
    .service-card .card-body {
        padding: 1.75rem !important;
    }

}


/* ======================================================
   RESPONSIVE — PHONES
====================================================== */

@media (max-width: 575.98px) {

    .navbar {
        min-height: 70px;
    }

    .navbar-logo {
        height: 52px;
        max-width: 135px;
    }

    .navbar-collapse {
        padding: 0.85rem;
    }

    .navbar .dropdown-menu {
        padding: 0.35rem;
    }

    .navbar .dropdown-item {
        padding: 0.65rem;
    }

    .hero h1,
    .display-2 {
        font-size: 2.25rem;
    }

    .display-4 {
        font-size: 2rem;
    }

    .rounded-5 {
        border-radius: 1.25rem !important;
    }

    .shadow-lg {
        box-shadow: 0 20px 45px rgba(15, 23, 42, 0.16) !important;
    }

    section.py-5 {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }

}