/* ===================================================================
   CONSTRUYAMOS COLOMBIA V3 — Design System
   Inspiración: Stripe, Linear, Gov.uk, Notion, Apple, Vercel
   =================================================================== */

/* ======================== VARIABLES ======================== */
:root {
    /* Paleta colombiana premium */
    --navy:          #0C1B33;
    --navy-light:    #16324F;
    --navy-mid:      #1E3A5F;
    --gold:          #D4A843;
    --gold-light:    #E8C96A;
    --gold-dark:     #B8922E;
    --red:           #C41E3A;
    --red-light:     #E8375A;
    --blue:          #2F5FA8;
    --blue-light:    #E6F1FB;
    --blue-dark:     #1E4A7A;
    --color-2:       #2F5FA8;
    --color-3:       #D4A843;

    /* Superficies */
    --surface:       #FFFFFF;
    --surface-2:     #F4F6F8;
    --surface-3:     #E5EBF1;
    --surface-4:     #D5DDE6;
    --bg-1:          #F4F6F8;

    /* Texto */
    --text-1:        #0C1B33;
    --text-2:        #5C7188;
    --text-3:        #8CA0B3;
    --text-4:        #9DB8DC;
    --text-inverse:  #FFFFFF;

    /* Bordes */
    --border:        #E5EBF1;
    --border-light:  #F0F3F6;
    --border-focus:  #2F5FA8;

    /* Estados */
    --success:       #10B981;
    --success-light: #D1FAE5;
    --warning:       #F59E0B;
    --warning-light: #FEF3C7;
    --danger:        #EF4444;
    --danger-light:  #FEE2E2;
    --info:          #3B82F6;
    --info-light:    #DBEAFE;

    /* Sombras */
    --shadow-xs:     0 1px 2px rgba(12, 27, 51, 0.04);
    --shadow-sm:     0 1px 3px rgba(12, 27, 51, 0.06), 0 1px 2px rgba(12, 27, 51, 0.04);
    --shadow-md:     0 4px 16px rgba(12, 27, 51, 0.08);
    --shadow-lg:     0 12px 40px rgba(12, 27, 51, 0.12);
    --shadow-xl:     0 20px 60px rgba(12, 27, 51, 0.16);
    --shadow-glow:   0 0 40px rgba(47, 95, 168, 0.15);

    /* Border radius */
    --radius-xs:     4px;
    --radius-sm:     8px;
    --radius-md:     12px;
    --radius-lg:     16px;
    --radius-xl:     20px;
    --radius-2xl:    28px;
    --radius-pill:   999px;

    /* Transiciones */
    --ease:          cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce:   cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration:      0.2s;
    --duration-md:   0.3s;
    --duration-lg:   0.5s;

    /* Tipografía */
    --font-sans:     'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

    /* Espaciado */
    --space-xs:      4px;
    --space-sm:      8px;
    --space-md:      16px;
    --space-lg:      24px;
    --space-xl:      32px;
    --space-2xl:     48px;
    --space-3xl:     64px;
    --space-4xl:     96px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-1);
    background-color: var(--surface);
    padding-top: 72px;
    overflow-x: hidden;
}

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

a {
    color: var(--blue);
    text-decoration: none;
    transition: color var(--duration) var(--ease);
}

a:hover {
    color: var(--blue-dark);
}

::selection {
    background: var(--blue-light);
    color: var(--navy);
}

/* ======================== TYPOGRAPHY ======================== */
.display-xl {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.display-lg {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.display-md {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.display-sm {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.display-xs {
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.heading-lg {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.heading-md {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
}

.heading-sm {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.body-lg {
    font-size: 1.125rem;
    line-height: 1.7;
}

.body-md {
    font-size: 1rem;
    line-height: 1.7;
}

.body-sm {
    font-size: 0.875rem;
    line-height: 1.6;
}

.caption {
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--text-3);
}

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

/* ======================== NAVBAR ======================== */
.navbar-premium {
    background: rgba(12, 27, 51, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.75rem 0;
    transition: all var(--duration-md) var(--ease);
}

.navbar-premium.scrolled {
    background: rgba(12, 27, 51, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: white !important;
}

.navbar-brand span {
    color: var(--gold);
}

.nav-link {
    color: rgba(255, 255, 255, 0.75) !important;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--duration) var(--ease);
    padding: 0.5rem 1rem !important;
}

.nav-link:hover,
.nav-link.active {
    color: white !important;
}

.btn-nav-cta {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--navy) !important;
    border: none;
    padding: 10px 24px;
    font-weight: 700;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    transition: all var(--duration) var(--ease);
    box-shadow: 0 2px 12px rgba(212, 168, 67, 0.3);
}

.btn-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(212, 168, 67, 0.4);
}

.btn-nav-outline {
    background: rgba(255, 255, 255, 0.08);
    color: white !important;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    padding: 9px 20px;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    transition: all var(--duration) var(--ease);
}

.btn-nav-outline:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

/* ======================== BUTTONS ======================== */
.btn {
    font-weight: 600;
    border-radius: var(--radius-lg);
    padding: 12px 28px;
    font-size: 0.9375rem;
    transition: all var(--duration) var(--ease);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: white;
    box-shadow: 0 2px 12px rgba(47, 95, 168, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(47, 95, 168, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--surface-2);
    color: var(--text-1);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-3);
    border-color: var(--surface-4);
}

.btn-outline {
    background: transparent;
    color: var(--blue);
    border: 1.5px solid var(--blue);
}

.btn-outline:hover {
    background: var(--blue);
    color: white;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--navy);
    box-shadow: 0 2px 12px rgba(212, 168, 67, 0.3);
}

.btn-gold:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(212, 168, 67, 0.4);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.0625rem;
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8125rem;
    border-radius: var(--radius-md);
}

.btn-pill {
    border-radius: var(--radius-pill);
}

/* ======================== CARDS ======================== */
.card-premium {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--duration-md) var(--ease);
}

.card-premium:hover {
    border-color: var(--surface-4);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-elevated {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-md) var(--ease);
}

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

.card-glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
}

/* ======================== FORM ELEMENTS ======================== */
.form-field {
    margin-bottom: var(--space-md);
}

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 6px;
    display: block;
}

.form-control,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--text-1);
    background: var(--surface);
    transition: all var(--duration) var(--ease);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(47, 95, 168, 0.12);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-3);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ======================== CHIPS / PILLS ======================== */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--border);
    background: var(--surface);
    color: var(--text-1);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    user-select: none;
}

.chip:hover {
    border-color: var(--blue);
    background: var(--blue-light);
}

.chip.active {
    border-color: var(--blue);
    background: var(--blue);
    color: white;
}

.chip-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

/* ======================== SELECTION CARDS ======================== */
.selection-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    user-select: none;
}

.selection-card:hover {
    border-color: var(--blue);
    background: var(--blue-light);
}

.selection-card.active {
    border-color: var(--blue);
    background: var(--blue-light);
    box-shadow: 0 0 0 3px rgba(47, 95, 168, 0.12);
}

.selection-card .icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--blue);
    transition: all var(--duration) var(--ease);
    flex-shrink: 0;
}

.selection-card.active .icon {
    background: var(--blue);
    color: white;
}

/* ======================== BADGES ======================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-primary {
    background: var(--blue-light);
    color: var(--blue);
}

.badge-white {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.badge-green {
    background: var(--success-light);
    color: var(--success);
}

.badge-blue {
    background: var(--blue-light);
    color: var(--blue);
}

.badge-red {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

/* ======================== PROGRESS ======================== */
.progress-premium {
    height: 6px;
    background: var(--surface-3);
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.progress-premium .bar {
    height: 100%;
    background: var(--blue);
    border-radius: var(--radius-pill);
    transition: width var(--duration-md) var(--ease);
}

/* ======================== STEPS ======================== */
.step-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid var(--border);
    color: var(--text-3);
    background: var(--surface);
    transition: all var(--duration-md) var(--ease);
    flex-shrink: 0;
}

.step-indicator.active {
    border-color: var(--blue);
    background: var(--blue);
    color: white;
}

.step-indicator.completed {
    border-color: var(--success);
    background: var(--success);
    color: white;
}

.step-line {
    height: 2px;
    background: var(--border);
    flex: 1;
    margin: 0 6px;
    transition: background var(--duration-md) var(--ease);
}

.step-line.active {
    background: var(--blue);
}

.step-line.completed {
    background: var(--success);
}

/* ======================== FORM CARD ======================== */
.form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.form-card-header {
    background: var(--navy-light);
    padding: 20px 28px;
}

.form-card-body {
    padding: 32px 28px;
    min-height: 280px;
}

.form-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 28px;
    border-top: 1px solid var(--border);
}

/* ======================== SECTIONS ======================== */
.section {
    padding: var(--space-4xl) 0;
}

.section-alt {
    background: var(--surface-2);
}

.section-dark {
    background: var(--navy);
    color: white;
}

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

.section-header .overline {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--text-2);
    font-size: 1.125rem;
}

/* ======================== HERO ======================== */
.hero {
    position: relative;
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--navy-mid) 100%);
    color: white;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(47, 95, 168, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* ======================== FLAG ACCENT ======================== */
.flag-accent {
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--navy) 33%, var(--red) 33%, var(--red) 66%, var(--gold) 66%);
}

/* ======================== STATS ======================== */
.stat-card {
    text-align: center;
    padding: var(--space-xl);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-2);
    font-weight: 500;
}

/* ======================== HOW IT WORKS ======================== */
.step-card {
    text-align: center;
    padding: var(--space-xl);
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--blue-light);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto var(--space-md);
}

.step-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step-card p {
    color: var(--text-2);
    font-size: 0.9375rem;
}

/* ======================== FAQ ======================== */
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all var(--duration-md) var(--ease);
}

.faq-item:hover {
    border-color: var(--surface-4);
}

.faq-question {
    width: 100%;
    padding: 18px 24px;
    background: var(--surface);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-1);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--duration) var(--ease);
}

.faq-question:hover {
    background: var(--surface-2);
}

.faq-question i {
    transition: transform var(--duration-md) var(--ease);
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-md) var(--ease);
}

.faq-answer-inner {
    padding: 0 24px 18px;
    color: var(--text-2);
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

/* ======================== FOOTER ======================== */
.footer {
    background: var(--navy);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.footer-brand span {
    color: var(--gold);
}

.footer-heading {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-4);
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
    transition: color var(--duration) var(--ease);
}

.footer-links a:hover {
    color: white;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-sm);
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.65);
}

.footer-contact a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    margin-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ======================== TOAST ======================== */
.toast-container {
    position: fixed;
    top: 88px;
    right: 20px;
    z-index: 9999;
}

.toast-premium {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideInRight var(--duration-md) var(--ease);
}

.toast-premium.success {
    border-left: 4px solid var(--success);
}

.toast-premium.error {
    border-left: 4px solid var(--danger);
}

.toast-premium.info {
    border-left: 4px solid var(--info);
}

/* ======================== CONFETTI ======================== */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    top: -10px;
    animation: confettiFall 3s ease-in-out forwards;
}

/* ======================== ANIMATIONS ======================== */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes confettiFall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fade-in-up {
    animation: fadeInUp var(--duration-lg) var(--ease) forwards;
}

.animate-fade-in {
    animation: fadeIn var(--duration-lg) var(--ease) forwards;
}

.animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--duration-lg) var(--ease);
}

.js-ready .animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
}

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

/* ======================== TABLE ======================== */
.table-premium {
    border-collapse: collapse;
    width: 100%;
}

.table-premium th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-3);
    padding: 12px 16px;
    border-bottom: 2px solid var(--border);
}

.table-premium td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
    vertical-align: middle;
}

.table-premium tbody tr:hover {
    background: var(--surface-2);
}

/* ======================== UTILITIES ======================== */
.text-navy { color: var(--navy); }
.text-gold { color: var(--gold); }
.text-blue { color: var(--blue); }
.text-green { color: var(--success); }
.text-red { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-purple { color: #8B5CF6; }
.text-muted-2 { color: var(--text-2); }
.text-muted-3 { color: var(--text-3); }

.bg-navy { background: var(--navy); }
.bg-surface-2 { background: var(--surface-2); }

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

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }

.font-monospace { font-family: var(--font-mono); }

.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.border-focus { border-color: var(--border-focus) !important; }

.text-white { color: white !important; }
.text-white-50 { color: rgba(255, 255, 255, 0.5) !important; }
.text-white-75 { color: rgba(255, 255, 255, 0.75) !important; }
.text-dark { color: var(--text-1) !important; }
.text-decoration-none { text-decoration: none !important; }
.font-monospace { font-family: var(--font-mono) !important; }

/* ======================== RESPONSIVE ======================== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--navy);
        padding: var(--space-md);
        border-radius: var(--radius-md);
        margin-top: var(--space-sm);
    }
    
    .hero {
        padding: var(--space-3xl) 0;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    body {
        font-size: 14px;
    }
    
    .form-card-body {
        padding: 24px 20px;
    }
    
    .form-card-footer {
        padding: 14px 20px;
    }
}